{"title":"Evaporator","description":null,"products":[{"product_id":"kaidi-gum-electric-defrost-ceiling-evaporators","title":"Kaidi GUM Series Large Ceiling-Mounted Evaporators with Electric Defrost","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003ch3\u003eKaidi GUM Series Large Ceiling-Mounted Evaporators\u003c\/h3\u003e\n\u003cp\u003eThe Kaidi GUM Series consists of large-capacity ceiling-mounted evaporators designed for industrial cold rooms, frozen-storage warehouses and other refrigeration facilities requiring high cooling capacity and long air throw.\u003c\/p\u003e\n\u003cp\u003eThe series uses 630 mm or 710 mm high-static-pressure external-rotor fans. Depending on the selected model, units are available with two, three or four fans.\u003c\/p\u003e\n\u003cp\u003eThree fin-spacing configurations—4.5 mm, 6.0 mm and 9.0 mm—allow the evaporator to be selected according to the required room temperature, humidity level and expected frost formation.\u003c\/p\u003e\n\u003cp\u003eAll models supplied on this product page are equipped with electric defrost. Stainless-steel heating elements are evenly installed through the evaporator coil and drain-pan area to provide uniform defrosting and reliable low-temperature operation.\u003c\/p\u003e\n\u003cp\u003eAs a Kaidi distributor, we supply the GUMDL, GUMDD and GUMDJ ranges. Model-selection support is available according to cooling load, room temperature, refrigerant, power supply and installation requirements.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge-capacity ceiling-mounted evaporator for industrial cold rooms\u003c\/li\u003e\n\u003cli\u003eElectric defrost included as standard\u003c\/li\u003e\n\u003cli\u003eStainless-steel heaters installed in the coil and drain-pan area\u003c\/li\u003e\n\u003cli\u003eUniform defrosting for low-temperature applications\u003c\/li\u003e\n\u003cli\u003e630 mm or 710 mm high-static-pressure external-rotor fans\u003c\/li\u003e\n\u003cli\u003eTwo-, three- or four-fan configurations\u003c\/li\u003e\n\u003cli\u003eLong air throw for large and high-ceiling cold-storage spaces\u003c\/li\u003e\n\u003cli\u003ePowder-coated galvanized-steel casing as standard\u003c\/li\u003e\n\u003cli\u003eOptional aluminium or stainless-steel casing\u003c\/li\u003e\n\u003cli\u003eInternally grooved heat-exchange tubes\u003c\/li\u003e\n\u003cli\u003eHydrophilic double-sine-wave aluminium fins\u003c\/li\u003e\n\u003cli\u003e4.5 mm, 6.0 mm and 9.0 mm fin-spacing options\u003c\/li\u003e\n\u003cli\u003eLow-pressure-drop Venturi-type refrigerant distributor\u003c\/li\u003e\n\u003cli\u003eIP65 waterproof electrical junction box\u003c\/li\u003e\n\u003cli\u003eStandard 1\/4-inch pressure access port\u003c\/li\u003e\n\u003cli\u003eOptional EC energy-saving fan motors\u003c\/li\u003e\n\u003cli\u003eOptional air-throw extension kit\u003c\/li\u003e\n\u003cli\u003eFactory cleaned, inspected and pressure-tested at 28 bar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSeries Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eLarge ceiling-mounted evaporator \/ unit cooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable series\u003c\/td\u003e\n\u003ctd\u003eGUMDL, GUMDD and GUMDJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost method\u003c\/td\u003e\n\u003ctd\u003eElectric defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil defrost\u003c\/td\u003e\n\u003ctd\u003eStainless-steel electric heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain-pan defrost\u003c\/td\u003e\n\u003ctd\u003eElectric heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan diameter\u003c\/td\u003e\n\u003ctd\u003e630 mm or 710 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan quantity\u003c\/td\u003e\n\u003ctd\u003e2, 3 or 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir volume\u003c\/td\u003e\n\u003ctd\u003eApproximately 23,500–60,000 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir throw\u003c\/td\u003e\n\u003ctd\u003eApproximately 30–42 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat-exchange area\u003c\/td\u003e\n\u003ctd\u003eApproximately 96.5–493.3 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFin spacing\u003c\/td\u003e\n\u003ctd\u003e4.5 mm, 6.0 mm or 9.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan motor supply\u003c\/td\u003e\n\u003ctd\u003e3-phase, 380 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectric heater supply\u003c\/td\u003e\n\u003ctd\u003e1-phase, 220 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal fan motor power\u003c\/td\u003e\n\u003ctd\u003eApproximately 3.8–8.7 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerants\u003c\/td\u003e\n\u003ctd\u003eR404A, R507A, R448A, R449A, R134a and R22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 230–510 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit length\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,752–4,651 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit width\u003c\/td\u003e\n\u003ctd\u003eApproximately 770–910 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit height\u003c\/td\u003e\n\u003ctd\u003eApproximately 990–1,100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJunction box\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory pressure test\u003c\/td\u003e\n\u003ctd\u003e28 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard casing\u003c\/td\u003e\n\u003ctd\u003ePowder-coated galvanized steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional casing\u003c\/td\u003e\n\u003ctd\u003eAluminium or stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eImportant Technical Notice\u003c\/h3\u003e\n\u003cp\u003eCooling capacity, airflow, dimensions, weight, heater power, electrical data and pipe connections vary by model and operating condition.\u003c\/p\u003e\n\u003cp\u003eThe final model must be selected according to the required cooling capacity, room temperature, evaporating temperature, refrigerant, local power supply and installation conditions.\u003c\/p\u003e\n\u003ch2\u003eSeries and Fin Spacing\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eFin Spacing\u003c\/th\u003e\n\u003cth\u003eGeneral Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDL\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003ctd\u003eHigher-temperature applications with relatively limited frost formation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDD\u003c\/td\u003e\n\u003ctd\u003e6.0 mm\u003c\/td\u003e\n\u003ctd\u003eMedium- and low-temperature cold-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDJ\u003c\/td\u003e\n\u003ctd\u003e9.0 mm\u003c\/td\u003e\n\u003ctd\u003eLow-temperature and freezer applications with greater frost formation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFinal fin-spacing selection should be based on room temperature, relative humidity, product load and defrost-cycle requirements.\u003c\/p\u003e\n\u003ch2\u003eModel Code Explanation\u003c\/h2\u003e\n\u003cp\u003eExample: \u003cstrong\u003eGUMDJ633H-E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUM\u003c\/td\u003e\n\u003ctd\u003eGUM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ\u003c\/td\u003e\n\u003ctd\u003e9.0 mm fin spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e63\u003c\/td\u003e\n\u003ctd\u003e630 mm fan diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eThree fan motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH\u003c\/td\u003e\n\u003ctd\u003eCoil specification code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003eElectric defrost; the suffix may be omitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStandard Rating Conditions\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eInlet Air Temperature\u003c\/th\u003e\n\u003cth\u003eEvaporating Temperature\u003c\/th\u003e\n\u003cth\u003eRelative Humidity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC1\u003c\/td\u003e\n\u003ctd\u003e10°C\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e−8°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003e−18°C\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC4\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e−31°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC5\u003c\/td\u003e\n\u003ctd\u003e−34°C\u003c\/td\u003e\n\u003ctd\u003e−40°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eCooling-capacity values must always be compared under the same rating condition and refrigerant basis.\u003c\/p\u003e\n\u003ch2\u003eConstruction and Components\u003c\/h2\u003e\n\u003ch3\u003eCasing\u003c\/h3\u003e\n\u003cp\u003eThe standard casing is manufactured from powder-coated galvanized steel for corrosion resistance. Aluminium and stainless-steel casing materials are available for special installation environments.\u003c\/p\u003e\n\u003ch3\u003eHeat Exchanger\u003c\/h3\u003e\n\u003cp\u003eThe heat exchanger uses internally grooved tubes designed to improve refrigerant-side heat transfer. Aluminium end plates provide flexible tube support and help prevent direct contact between the copper tubes and steel components.\u003c\/p\u003e\n\u003ch3\u003eAluminium Fins\u003c\/h3\u003e\n\u003cp\u003eHydrophilic double-sine-wave aluminium fins are used to improve air-side heat transfer and optimise pressure drop. Fin spacings of 4.5 mm, 6.0 mm and 9.0 mm are available for different operating temperatures and frost conditions.\u003c\/p\u003e\n\u003ch3\u003eFans\u003c\/h3\u003e\n\u003cp\u003eLarge-diameter, four-pole external-rotor fans provide high static pressure and long air throw. Thermal protection is included, and EC energy-saving fan motors are available as an optional configuration.\u003c\/p\u003e\n\u003ch3\u003eElectric Defrost\u003c\/h3\u003e\n\u003cp\u003eStainless-steel electric heaters are evenly installed through the heat-exchanger fins and drain-pan area. This arrangement supports uniform defrosting and helps prevent residual ice in low-temperature applications.\u003c\/p\u003e\n\u003ch3\u003eDrain Pan\u003c\/h3\u003e\n\u003cp\u003eThe angled outer drain pan is designed to provide smooth condensate drainage. The inner drain-pan structure helps reduce air bypass, improve condensate discharge and enhance heat distribution during electric defrost.\u003c\/p\u003e\n\u003ch3\u003eElectrical Junction Box\u003c\/h3\u003e\n\u003cp\u003eAn IP65 waterproof junction box and waterproof cable connectors are used to support reliable electrical connections in cold and humid environments.\u003c\/p\u003e\n\u003ch2\u003eRefrigerant Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe GUM Series can be applied with the following refrigerants:\u003c\/p\u003e\n\u003cpre\u003e\u003ccode\u003eR404A\nR507A\nR448A\nR449A\nR134a\nR22\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003eActual cooling capacity must be corrected according to the selected refrigerant and operating condition.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLarge cold-storage warehouses\u003c\/li\u003e\n\u003cli\u003eFrozen-food storage rooms\u003c\/li\u003e\n\u003cli\u003eFood-processing facilities\u003c\/li\u003e\n\u003cli\u003eCold-chain logistics centres\u003c\/li\u003e\n\u003cli\u003eDistribution warehouses\u003c\/li\u003e\n\u003cli\u003eIndustrial freezer rooms\u003c\/li\u003e\n\u003cli\u003eHigh-ceiling cold rooms\u003c\/li\u003e\n\u003cli\u003eMedium-temperature cold storage\u003c\/li\u003e\n\u003cli\u003eLow-temperature freezer storage\u003c\/li\u003e\n\u003cli\u003eLarge industrial refrigeration systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Selection Information\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003ePlease provide the following information before ordering:\n\n1. Cold-room dimensions\n2. Required room temperature\n3. Ambient temperature\n4. Product type\n5. Daily product loading quantity\n6. Required cooling capacity\n7. Refrigerant\n8. Evaporating temperature\n9. Local voltage, phase and frequency\n10. Maximum permitted unit dimensions\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch2\u003eOrdering Notice\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eAll models listed on this product page are supplied with electric defrost.\n\nPlease confirm the required model, refrigerant, operating temperature, cooling capacity and electrical power supply before placing an order.\n\nContact us if technical model-selection assistance is required.\u003c\/code\u003e\u003c\/pre\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Kaidi","offers":[{"title":"GUMDL632F – 4.5 mm Fin Spacing","offer_id":43895288692795,"sku":null,"price":2126.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL632G – 4.5 mm Fin Spacing","offer_id":43895288725563,"sku":null,"price":2300.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL632H – 4.5 mm Fin Spacing","offer_id":43895288758331,"sku":null,"price":2489.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633F – 4.5 mm Fin Spacing","offer_id":43895288791099,"sku":null,"price":3076.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633G – 4.5 mm Fin Spacing","offer_id":43895288823867,"sku":null,"price":3422.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633H – 4.5 mm Fin Spacing","offer_id":43895288856635,"sku":null,"price":3716.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634F – 4.5 mm Fin Spacing","offer_id":43895288889403,"sku":null,"price":3854.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634G – 4.5 mm Fin Spacing","offer_id":43895288922171,"sku":null,"price":4026.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634H – 4.5 mm Fin Spacing","offer_id":43895288954939,"sku":null,"price":4372.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712F – 4.5 mm Fin Spacing","offer_id":43895288987707,"sku":null,"price":3368.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712H – 4.5 mm Fin Spacing","offer_id":43895289020475,"sku":null,"price":3989.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712J – 4.5 mm Fin Spacing","offer_id":43895289053243,"sku":null,"price":4661.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713F – 4.5 mm Fin Spacing","offer_id":43895289086011,"sku":null,"price":4982.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713H – 4.5 mm Fin Spacing","offer_id":43895289118779,"sku":null,"price":5814.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632F – 6.0 mm Fin Spacing","offer_id":43895289151547,"sku":null,"price":2126.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632G – 6.0 mm Fin Spacing","offer_id":43895289184315,"sku":null,"price":2300.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632H – 6.0 mm Fin Spacing","offer_id":43895289217083,"sku":null,"price":2489.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633F – 6.0 mm Fin Spacing","offer_id":43895289249851,"sku":null,"price":3076.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633G – 6.0 mm Fin Spacing","offer_id":43895289282619,"sku":null,"price":3422.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633H – 6.0 mm Fin Spacing","offer_id":43895289315387,"sku":null,"price":3716.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634F – 6.0 mm Fin Spacing","offer_id":43895289348155,"sku":null,"price":3854.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634G – 6.0 mm Fin Spacing","offer_id":43895289380923,"sku":null,"price":4026.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634H – 6.0 mm Fin Spacing","offer_id":43895289413691,"sku":null,"price":4372.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712F – 6.0 mm Fin Spacing","offer_id":43895289446459,"sku":null,"price":3368.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712H – 6.0 mm Fin Spacing","offer_id":43895289479227,"sku":null,"price":3989.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712J – 6.0 mm Fin Spacing","offer_id":43895289511995,"sku":null,"price":4661.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713F – 6.0 mm Fin Spacing","offer_id":43895289544763,"sku":null,"price":4982.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713H – 6.0 mm Fin Spacing","offer_id":43895289577531,"sku":null,"price":5814.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ632F – 9.0 mm Fin Spacing","offer_id":43895289610299,"sku":null,"price":2126.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ632G – 9.0 mm Fin Spacing","offer_id":43895289643067,"sku":null,"price":2300.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633F – 9.0 mm Fin Spacing","offer_id":43895289675835,"sku":null,"price":3076.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633G – 9.0 mm Fin Spacing","offer_id":43895289708603,"sku":null,"price":3422.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633H – 9.0 mm Fin Spacing","offer_id":43895289741371,"sku":null,"price":3716.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634F – 9.0 mm Fin Spacing","offer_id":43895289774139,"sku":null,"price":3854.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634G – 9.0 mm Fin Spacing","offer_id":43895289806907,"sku":null,"price":4026.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634H – 9.0 mm Fin Spacing","offer_id":43895289839675,"sku":null,"price":4372.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712F – 9.0 mm Fin Spacing","offer_id":43895289872443,"sku":null,"price":3368.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712H – 9.0 mm Fin Spacing","offer_id":43895289905211,"sku":null,"price":3989.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712J – 9.0 mm Fin Spacing","offer_id":43895289937979,"sku":null,"price":4661.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713F – 9.0 mm Fin Spacing","offer_id":43895289970747,"sku":null,"price":4982.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713H – 9.0 mm Fin Spacing","offer_id":43895290003515,"sku":null,"price":5814.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/ChatGPT_Image_Aug_10_2026_09_45_31_AM.png?v=1786327109"},{"product_id":"kaidi-gum-water-defrost-ceiling-evaporators","title":"Kaidi GUM Series Large Ceiling-Mounted Evaporators with Water Defrost","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003ch3\u003eKaidi GUM Series Water-Defrost Evaporators\u003c\/h3\u003e\n\u003cp\u003eThe Kaidi GUM Series consists of large-capacity ceiling-mounted evaporators designed for industrial cold rooms, frozen-storage warehouses and other refrigeration facilities requiring high cooling capacity and long air throw.\u003c\/p\u003e\n\u003cp\u003eAll models supplied on this product page are equipped with water defrost. The Kaidi water-distribution and drain-pan system is designed to distribute defrost water uniformly across the heat exchanger, support effective frost removal and reduce excessive water carryover.\u003c\/p\u003e\n\u003cp\u003eThe series uses 630 mm or 710 mm high-static-pressure external-rotor fans. Depending on the selected model, units are available with two, three or four fans.\u003c\/p\u003e\n\u003cp\u003eThree fin-spacing configurations—4.5 mm, 6.0 mm and 9.0 mm—are available for different room temperatures, humidity levels and frost conditions.\u003c\/p\u003e\n\u003cp\u003eAs a Kaidi distributor, we supply the GUMDL-W, GUMDD-W and GUMDJ-W ranges. Model-selection support is available according to cooling load, room temperature, refrigerant, power supply, available defrost-water supply and installation requirements.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge-capacity ceiling-mounted evaporator\u003c\/li\u003e\n\u003cli\u003eWater-defrost system included as standard\u003c\/li\u003e\n\u003cli\u003eUniform water distribution across the heat exchanger\u003c\/li\u003e\n\u003cli\u003eDedicated defrost-water inlet\u003c\/li\u003e\n\u003cli\u003eLarge drain connections for rapid water discharge\u003c\/li\u003e\n\u003cli\u003e630 mm or 710 mm high-static-pressure external-rotor fans\u003c\/li\u003e\n\u003cli\u003eTwo-, three- or four-fan configurations\u003c\/li\u003e\n\u003cli\u003eLong air throw for large and high-ceiling cold rooms\u003c\/li\u003e\n\u003cli\u003ePowder-coated galvanized-steel casing as standard\u003c\/li\u003e\n\u003cli\u003eOptional aluminium or stainless-steel casing\u003c\/li\u003e\n\u003cli\u003eInternally grooved heat-exchange tubes\u003c\/li\u003e\n\u003cli\u003eHydrophilic double-sine-wave aluminium fins\u003c\/li\u003e\n\u003cli\u003e4.5 mm, 6.0 mm and 9.0 mm fin-spacing options\u003c\/li\u003e\n\u003cli\u003eLow-pressure-drop Venturi-type refrigerant distributor\u003c\/li\u003e\n\u003cli\u003eAngled drain-pan design for smooth drainage\u003c\/li\u003e\n\u003cli\u003eIP65 waterproof electrical junction box\u003c\/li\u003e\n\u003cli\u003eStandard 1\/4-inch pressure access port\u003c\/li\u003e\n\u003cli\u003eOptional EC energy-saving fan motors\u003c\/li\u003e\n\u003cli\u003eOptional air-throw extension kit\u003c\/li\u003e\n\u003cli\u003eFactory cleaned, inspected and pressure-tested at 28 bar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSeries Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eLarge ceiling-mounted evaporator \/ unit cooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable series\u003c\/td\u003e\n\u003ctd\u003eGUMDL-W, GUMDD-W and GUMDJ-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost method\u003c\/td\u003e\n\u003ctd\u003eWater defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan diameter\u003c\/td\u003e\n\u003ctd\u003e630 mm or 710 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan quantity\u003c\/td\u003e\n\u003ctd\u003e2, 3 or 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir volume\u003c\/td\u003e\n\u003ctd\u003eApproximately 23,500–60,000 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir throw\u003c\/td\u003e\n\u003ctd\u003eApproximately 30–42 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat-exchange area\u003c\/td\u003e\n\u003ctd\u003eApproximately 96.5–493.3 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFin spacing\u003c\/td\u003e\n\u003ctd\u003e4.5 mm, 6.0 mm or 9.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan motor supply\u003c\/td\u003e\n\u003ctd\u003e3-phase, 380 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal fan motor power\u003c\/td\u003e\n\u003ctd\u003eApproximately 3.8–8.7 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost-water flow\u003c\/td\u003e\n\u003ctd\u003eApproximately 5.6–15.2 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost-water inlet\u003c\/td\u003e\n\u003ctd\u003eR 1-1\/2 or multiple R 1-1\/2 connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain connection\u003c\/td\u003e\n\u003ctd\u003eR 3-inch or multiple R 3-inch connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerants\u003c\/td\u003e\n\u003ctd\u003eR404A, R507A, R448A, R449A, R134a and R22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 249–583 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit length\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,710–4,610 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit width\u003c\/td\u003e\n\u003ctd\u003eApproximately 850–1,037 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit height\u003c\/td\u003e\n\u003ctd\u003eApproximately 1,140–1,276 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJunction box\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory pressure test\u003c\/td\u003e\n\u003ctd\u003e28 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard casing\u003c\/td\u003e\n\u003ctd\u003ePowder-coated galvanized steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional casing\u003c\/td\u003e\n\u003ctd\u003eAluminium or stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eImportant Technical Notice\u003c\/h3\u003e\n\u003cp\u003eCooling capacity, airflow, dimensions, weight, defrost-water flow, water connections, electrical data and refrigerant pipe connections vary by model.\u003c\/p\u003e\n\u003cp\u003eThe final model must be selected according to the cooling load, room temperature, evaporating temperature, refrigerant, local power supply, water pressure, available defrost-water flow and drainage capacity.\u003c\/p\u003e\n\u003ch2\u003eSeries and Fin Spacing\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eFin Spacing\u003c\/th\u003e\n\u003cth\u003eGeneral Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDL-W\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003ctd\u003eHigher-temperature applications with relatively limited frost formation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDD-W\u003c\/td\u003e\n\u003ctd\u003e6.0 mm\u003c\/td\u003e\n\u003ctd\u003eMedium- and low-temperature cold-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUMDJ-W\u003c\/td\u003e\n\u003ctd\u003e9.0 mm\u003c\/td\u003e\n\u003ctd\u003eLow-temperature and freezer applications with greater frost formation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFinal fin-spacing selection must be based on room temperature, humidity, product load, frost formation and required defrost frequency.\u003c\/p\u003e\n\u003ch2\u003eModel Code Explanation\u003c\/h2\u003e\n\u003cp\u003eExample: \u003cstrong\u003eGUMDJ633H-W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUM\u003c\/td\u003e\n\u003ctd\u003eGUM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ\u003c\/td\u003e\n\u003ctd\u003e9.0 mm fin spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e63\u003c\/td\u003e\n\u003ctd\u003e630 mm fan diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eThree fan motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH\u003c\/td\u003e\n\u003ctd\u003eCoil specification code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003ctd\u003eWater defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003ccode\u003e-W\u003c\/code\u003e suffix must be retained because it identifies the water-defrost configuration.\u003c\/p\u003e\n\u003ch2\u003eStandard Rating Conditions\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eInlet Air Temperature\u003c\/th\u003e\n\u003cth\u003eEvaporating Temperature\u003c\/th\u003e\n\u003cth\u003eRelative Humidity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC1\u003c\/td\u003e\n\u003ctd\u003e10°C\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e−8°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003e−18°C\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC4\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e−31°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC5\u003c\/td\u003e\n\u003ctd\u003e−34°C\u003c\/td\u003e\n\u003ctd\u003e−40°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eCooling-capacity values must be compared under the same rating condition and refrigerant basis.\u003c\/p\u003e\n\u003ch2\u003eConstruction and Components\u003c\/h2\u003e\n\u003ch3\u003eCasing\u003c\/h3\u003e\n\u003cp\u003eThe standard casing is manufactured from powder-coated galvanized steel for corrosion resistance. Aluminium and stainless-steel casing materials are available for special installation environments.\u003c\/p\u003e\n\u003ch3\u003eHeat Exchanger\u003c\/h3\u003e\n\u003cp\u003eThe heat exchanger uses internally grooved tubes designed to improve refrigerant-side heat transfer. Aluminium end plates provide flexible tube support and help prevent direct contact between the copper tubes and steel components.\u003c\/p\u003e\n\u003ch3\u003eAluminium Fins\u003c\/h3\u003e\n\u003cp\u003eHydrophilic double-sine-wave aluminium fins are used to improve air-side heat transfer and optimise pressure drop. Fin spacings of 4.5 mm, 6.0 mm and 9.0 mm are available for different temperature and frost conditions.\u003c\/p\u003e\n\u003ch3\u003eFans\u003c\/h3\u003e\n\u003cp\u003eLarge-diameter external-rotor fans provide high static pressure and long air throw. The standard motors include thermal protection, and EC energy-saving fan motors are available as an optional configuration.\u003c\/p\u003e\n\u003ch3\u003eWater-Defrost System\u003c\/h3\u003e\n\u003cp\u003eThe water-defrost system distributes water across the heat exchanger to remove frost from the coil surface. Defrost-water inlet size and required water flow depend on the selected model.\u003c\/p\u003e\n\u003cp\u003eThe available water supply must provide sufficient pressure and flow throughout the defrost cycle.\u003c\/p\u003e\n\u003ch3\u003eDrain Pan\u003c\/h3\u003e\n\u003cp\u003eThe angled outer drain pan is designed for rapid water discharge without drainage dead zones. The internal drain-pan structure helps reduce air bypass and directs condensate and defrost water towards the main drain connections.\u003c\/p\u003e\n\u003ch3\u003eElectrical Junction Box\u003c\/h3\u003e\n\u003cp\u003eAn IP65 waterproof junction box and waterproof cable connectors are used to support reliable electrical connections in cold and humid environments.\u003c\/p\u003e\n\u003ch2\u003eRefrigerant Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ccode\u003eR404A\n\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eR507A\n\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eR448A\n\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eR449A\n\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eR134a\n\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eR22\u003c\/code\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eActual cooling capacity must be corrected according to the selected refrigerant and operating condition.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLarge cold-storage warehouses\u003c\/li\u003e\n\u003cli\u003eFrozen-food storage rooms\u003c\/li\u003e\n\u003cli\u003eFood-processing facilities\u003c\/li\u003e\n\u003cli\u003eCold-chain logistics centres\u003c\/li\u003e\n\u003cli\u003eIndustrial freezer rooms\u003c\/li\u003e\n\u003cli\u003eHigh-ceiling cold rooms\u003c\/li\u003e\n\u003cli\u003eFacilities with an adequate defrost-water supply\u003c\/li\u003e\n\u003cli\u003eApplications requiring rapid removal of heavy frost accumulation\u003c\/li\u003e\n\u003cli\u003eMedium- and low-temperature refrigeration systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInformation Required for Model Selection\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003ePlease provide the following information before ordering:\n\n1. Cold-room dimensions\n2. Required room temperature\n3. Ambient temperature\n4. Product type\n5. Daily product loading quantity\n6. Required cooling capacity\n7. Refrigerant\n8. Evaporating temperature\n9. Local voltage, phase and frequency\n10. Available defrost-water pressure\n11. Available defrost-water flow\n12. Drainage capacity\n13. Maximum permitted unit dimensions\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch2\u003eOrdering Notice\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eAll models listed on this product page are supplied with water defrost.\n\nPlease confirm the required model, refrigerant, operating temperature, cooling capacity, electrical power supply, defrost-water pressure, water flow and drainage conditions before ordering.\n\nContact us if technical model-selection assistance is required.\u003c\/code\u003e\u003c\/pre\u003e","brand":"Kaidi","offers":[{"title":"GUMDL632F-W – 4.5 mm Fin Spacing","offer_id":43896549048379,"sku":null,"price":2155.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL632G-W – 4.5 mm Fin Spacing","offer_id":43896549081147,"sku":null,"price":2432.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL632H-W – 4.5 mm Fin Spacing","offer_id":43896549113915,"sku":null,"price":2656.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633F-W – 4.5 mm Fin Spacing","offer_id":43896549146683,"sku":null,"price":3233.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633G-W – 4.5 mm Fin Spacing","offer_id":43896549179451,"sku":null,"price":3600.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL633H-W – 4.5 mm Fin Spacing","offer_id":43896549212219,"sku":null,"price":3803.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634F-W – 4.5 mm Fin Spacing","offer_id":43896549244987,"sku":null,"price":3946.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634G-W – 4.5 mm Fin Spacing","offer_id":43896549277755,"sku":null,"price":4223.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL634H-W – 4.5 mm Fin Spacing","offer_id":43896549310523,"sku":null,"price":4586.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712F-W – 4.5 mm Fin Spacing","offer_id":43896549343291,"sku":null,"price":3397.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712H-W – 4.5 mm Fin Spacing","offer_id":43896549376059,"sku":null,"price":4123.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL712J-W – 4.5 mm Fin Spacing","offer_id":43896549408827,"sku":null,"price":4778.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713F-W – 4.5 mm Fin Spacing","offer_id":43896549441595,"sku":null,"price":5122.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713H-W – 4.5 mm Fin Spacing","offer_id":43896549474363,"sku":null,"price":5954.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713I-W – 4.5 mm Fin Spacing","offer_id":43896549507131,"sku":null,"price":6427.0,"currency_code":"USD","in_stock":true},{"title":"GUMDL713H30-W – 4.5 mm Fin Spacing","offer_id":43896549539899,"sku":null,"price":6461.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632F-W – 6.0 mm Fin Spacing","offer_id":43896549572667,"sku":null,"price":2155.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632G-W – 6.0 mm Fin Spacing","offer_id":43896549605435,"sku":null,"price":2432.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD632H-W – 6.0 mm Fin Spacing","offer_id":43896549638203,"sku":null,"price":2656.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633F-W – 6.0 mm Fin Spacing","offer_id":43896549670971,"sku":null,"price":3233.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633G-W – 6.0 mm Fin Spacing","offer_id":43896549703739,"sku":null,"price":3600.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD633H-W – 6.0 mm Fin Spacing","offer_id":43896549736507,"sku":null,"price":3803.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634F-W – 6.0 mm Fin Spacing","offer_id":43896549769275,"sku":null,"price":3946.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634G-W – 6.0 mm Fin Spacing","offer_id":43896549802043,"sku":null,"price":4223.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD634H-W – 6.0 mm Fin Spacing","offer_id":43896549834811,"sku":null,"price":4586.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712F-W – 6.0 mm Fin Spacing","offer_id":43896549867579,"sku":null,"price":3397.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712H-W – 6.0 mm Fin Spacing","offer_id":43896549900347,"sku":null,"price":4123.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD712J-W – 6.0 mm Fin Spacing","offer_id":43896549933115,"sku":null,"price":4778.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713F-W – 6.0 mm Fin Spacing","offer_id":43896549965883,"sku":null,"price":5122.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713H-W – 6.0 mm Fin Spacing","offer_id":43896549998651,"sku":null,"price":5954.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713I-W – 6.0 mm Fin Spacing","offer_id":43896550031419,"sku":null,"price":6427.0,"currency_code":"USD","in_stock":true},{"title":"GUMDD713H30-W – 6.0 mm Fin Spacing","offer_id":43896550064187,"sku":null,"price":6461.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ632F-W – 9.0 mm Fin Spacing","offer_id":43896550096955,"sku":null,"price":2155.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ632G-W – 9.0 mm Fin Spacing","offer_id":43896550129723,"sku":null,"price":2432.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ632H-W – 9.0 mm Fin Spacing","offer_id":43896550162491,"sku":null,"price":2656.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633F-W – 9.0 mm Fin Spacing","offer_id":43896550195259,"sku":null,"price":3233.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633G-W – 9.0 mm Fin Spacing","offer_id":43896550228027,"sku":null,"price":3600.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ633H-W – 9.0 mm Fin Spacing","offer_id":43896550260795,"sku":null,"price":3803.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634F-W – 9.0 mm Fin Spacing","offer_id":43896550293563,"sku":null,"price":3946.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634G-W – 9.0 mm Fin Spacing","offer_id":43896550326331,"sku":null,"price":4223.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ634H-W – 9.0 mm Fin Spacing","offer_id":43896550359099,"sku":null,"price":4586.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712F-W – 9.0 mm Fin Spacing","offer_id":43896550391867,"sku":null,"price":3397.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712H-W – 9.0 mm Fin Spacing","offer_id":43896550424635,"sku":null,"price":4123.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ712J-W – 9.0 mm Fin Spacing","offer_id":43896550457403,"sku":null,"price":4778.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713F-W – 9.0 mm Fin Spacing","offer_id":43896550490171,"sku":null,"price":5122.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713H-W – 9.0 mm Fin Spacing","offer_id":43896550522939,"sku":null,"price":5954.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713I-W – 9.0 mm Fin Spacing","offer_id":43896550555707,"sku":null,"price":6427.0,"currency_code":"USD","in_stock":true},{"title":"GUMDJ713H30-W – 9.0 mm Fin Spacing","offer_id":43896550588475,"sku":null,"price":6461.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/ChatGPT_Image_Aug_10_2026_09_45_31_AM.png?v=1786327109"},{"product_id":"kaidi-gu-electric-defrost-ceiling-evaporators","title":"Kaidi GU Series High-Efficiency Ceiling-Mounted Evaporators with Electric Defrost","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003ch3\u003eKaidi GU Series High-Efficiency Evaporators\u003c\/h3\u003e\n\u003cp\u003eThe Kaidi GU Series consists of high-efficiency ceiling-mounted evaporators designed for cold rooms, freezer rooms, food-processing facilities and cold-chain applications.\u003c\/p\u003e\n\u003cp\u003eThe series is available with fan diameters from 350 mm to 630 mm and with one-, two- or three-fan configurations. Fin spacings of 4.5 mm, 6.0 mm and 9.0 mm allow the evaporator to be selected for different room temperatures, humidity levels and frost conditions.\u003c\/p\u003e\n\u003cp\u003eAll models supplied on this product page are equipped with electric defrost. Low-power-density stainless-steel electric heaters are installed through the heat exchanger and inner drain-pan area to provide uniform defrosting and reliable low-temperature operation.\u003c\/p\u003e\n\u003cp\u003eAs a Kaidi distributor, we supply the GUDL, GUDD and GUDJ ranges. Model-selection support is available according to cooling load, room temperature, refrigerant, power supply and installation requirements.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-efficiency ceiling-mounted evaporator\u003c\/li\u003e\n\u003cli\u003eElectric defrost included as standard\u003c\/li\u003e\n\u003cli\u003eStainless-steel heaters installed in the coil and drain-pan area\u003c\/li\u003e\n\u003cli\u003eFan diameters from 350 mm to 630 mm\u003c\/li\u003e\n\u003cli\u003eOne-, two- or three-fan configurations\u003c\/li\u003e\n\u003cli\u003e4.5 mm, 6.0 mm and 9.0 mm fin-spacing options\u003c\/li\u003e\n\u003cli\u003eAir throw of approximately 8–20 metres\u003c\/li\u003e\n\u003cli\u003ePowder-coated steel casing with corrosion-resistant treatment\u003c\/li\u003e\n\u003cli\u003eOptional aluminium or stainless-steel casing\u003c\/li\u003e\n\u003cli\u003e2.0 mm alloy-aluminium tube plates\u003c\/li\u003e\n\u003cli\u003eInternally grooved heat-exchange tubes\u003c\/li\u003e\n\u003cli\u003eTriangular coil arrangement\u003c\/li\u003e\n\u003cli\u003eSine-wave corrugated aluminium fins\u003c\/li\u003e\n\u003cli\u003eExternal-rotor fan motors with Class F insulation\u003c\/li\u003e\n\u003cli\u003eFan operating-temperature range of approximately −40°C to 60°C\u003c\/li\u003e\n\u003cli\u003eAngled drain-pan structure for smooth condensate drainage\u003c\/li\u003e\n\u003cli\u003eFactory assembled and tested\u003c\/li\u003e\n\u003cli\u003eSuitable for multiple refrigeration applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSeries Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency ceiling-mounted evaporator \/ unit cooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable series\u003c\/td\u003e\n\u003ctd\u003eGUDL, GUDD and GUDJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost method\u003c\/td\u003e\n\u003ctd\u003eElectric defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan diameter\u003c\/td\u003e\n\u003ctd\u003e350–630 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan quantity\u003c\/td\u003e\n\u003ctd\u003e1, 2 or 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir volume\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,000–27,000 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir throw\u003c\/td\u003e\n\u003ctd\u003eApproximately 8–20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling-capacity range\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.9–75.1 kW, depending on model and rating condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFin spacing\u003c\/td\u003e\n\u003ctd\u003e4.5 mm, 6.0 mm or 9.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan motor supply\u003c\/td\u003e\n\u003ctd\u003e3-phase, 380 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectric heater supply\u003c\/td\u003e\n\u003ctd\u003e1-phase, 220 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan motor insulation\u003c\/td\u003e\n\u003ctd\u003eClass F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan operating range\u003c\/td\u003e\n\u003ctd\u003eApproximately −40°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerants\u003c\/td\u003e\n\u003ctd\u003eR404A, R507A, R134a and R22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant connections\u003c\/td\u003e\n\u003ctd\u003eModel dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain connection\u003c\/td\u003e\n\u003ctd\u003eApproximately G3\/4–G2, model dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 29–254 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit length\u003c\/td\u003e\n\u003ctd\u003eApproximately 912–2,751 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit width\u003c\/td\u003e\n\u003ctd\u003eApproximately 390–590 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit height\u003c\/td\u003e\n\u003ctd\u003eApproximately 526–984 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard casing\u003c\/td\u003e\n\u003ctd\u003ePowder-coated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional casing\u003c\/td\u003e\n\u003ctd\u003eAluminium or stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eImportant Technical Notice\u003c\/h3\u003e\n\u003cp\u003eCooling capacity, airflow, dimensions, weight, electric-heater power, electrical data and pipe connections vary by model.\u003c\/p\u003e\n\u003cp\u003eFinal model selection must be confirmed according to cooling load, room temperature, evaporating temperature, refrigerant, local power supply and installation conditions.\u003c\/p\u003e\n\u003ch2\u003eSeries and Fin Spacing\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eFin Spacing\u003c\/th\u003e\n\u003cth\u003eGeneral Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDL\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003ctd\u003eHigher-temperature and fresh-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDD\u003c\/td\u003e\n\u003ctd\u003e6.0 mm\u003c\/td\u003e\n\u003ctd\u003eMedium-temperature and general cold-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDJ\u003c\/td\u003e\n\u003ctd\u003e9.0 mm\u003c\/td\u003e\n\u003ctd\u003eLow-temperature and freezer applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFin spacing must be selected according to room temperature, relative humidity, product load and expected frost formation.\u003c\/p\u003e\n\u003ch2\u003eOfficial Cooling-Capacity Ranges\u003c\/h2\u003e\n\u003ch3\u003eGUDL – 4.5 mm Fin Spacing\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRating Condition\u003c\/th\u003e\n\u003cth\u003eOfficial Capacity Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC1\u003c\/td\u003e\n\u003ctd\u003eApproximately 3.8–75.1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.5–51.8 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGUDD – 6.0 mm Fin Spacing\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRating Condition\u003c\/th\u003e\n\u003cth\u003eOfficial Capacity Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.1–47.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.6–37.1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGUDJ – 9.0 mm Fin Spacing\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRating Condition\u003c\/th\u003e\n\u003cth\u003eOfficial Capacity Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.2–29.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC4\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.0–23.3 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC5\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.9–22.4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese ranges apply to the models published in the current Kaidi catalogue. Special distributor models require separate technical confirmation.\u003c\/p\u003e\n\u003ch2\u003eStandard Rating Conditions\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eInlet Air Temperature\u003c\/th\u003e\n\u003cth\u003eEvaporating Temperature\u003c\/th\u003e\n\u003cth\u003eRelative Humidity\u003c\/th\u003e\n\u003cth\u003eSuperheat\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC1\u003c\/td\u003e\n\u003ctd\u003e10°C\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003ctd\u003e6.5 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e−8°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003ctd\u003e5.2 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003e−18°C\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e4.6 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC4\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e−31°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e3.9 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC5\u003c\/td\u003e\n\u003ctd\u003e−34°C\u003c\/td\u003e\n\u003ctd\u003e−40°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e3.9 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eCooling-capacity values must be compared under the same rating condition and refrigerant basis.\u003c\/p\u003e\n\u003ch2\u003eModel Code Explanation\u003c\/h2\u003e\n\u003cp\u003eExample: \u003cstrong\u003eGUDD501C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eG product series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eU\u003c\/td\u003e\n\u003ctd\u003eUnit cooler \/ air cooler code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003e6.0 mm fin spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e500 mm fan diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOne fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003eCoil specification code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo suffix\u003c\/td\u003e\n\u003ctd\u003eElectric defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eOther fin-spacing codes:\u003c\/p\u003e\n\u003cpre\u003e\u003ccode\u003eL = 4.5 mm\nD = 6.0 mm\nJ = 9.0 mm\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003eElectric-defrost models do not require an additional suffix.\u003c\/p\u003e\n\u003ch2\u003eConstruction and Components\u003c\/h2\u003e\n\u003ch3\u003eCasing\u003c\/h3\u003e\n\u003cp\u003eThe casing is manufactured from high-quality powder-coated steel for corrosion resistance. Aluminium and stainless-steel casing materials are available for special environments.\u003c\/p\u003e\n\u003ch3\u003eTube Plates\u003c\/h3\u003e\n\u003cp\u003eThe tube plates are manufactured from approximately 2.0 mm alloy aluminium. This design helps reduce wear on the copper tubes caused by thermal expansion and contraction.\u003c\/p\u003e\n\u003ch3\u003eHeat Exchanger\u003c\/h3\u003e\n\u003cp\u003eThe heat exchanger uses internally grooved tubes and an optimised refrigerant-circuit layout. The triangular tube arrangement and corrugated aluminium fins are designed to improve air-side and refrigerant-side heat transfer.\u003c\/p\u003e\n\u003ch3\u003eFans\u003c\/h3\u003e\n\u003cp\u003eThe series uses external-rotor fans with Class F motor insulation. Different fan diameters and quantities are available to match the cooling capacity, airflow and air-throw requirements of each application.\u003c\/p\u003e\n\u003ch3\u003eElectric Defrost\u003c\/h3\u003e\n\u003cp\u003eLow-power-density stainless-steel electric heaters are arranged through the evaporator coil and inner drain pan. The heater layout supports uniform defrosting while helping reduce local overheating.\u003c\/p\u003e\n\u003ch3\u003eDrain Pan\u003c\/h3\u003e\n\u003cp\u003eThe internal drain-pan structure is designed to reduce air bypass and improve condensate discharge. Electric heating is provided in the drain-pan area for low-temperature operation.\u003c\/p\u003e\n\u003ch2\u003eRefrigerant Compatibility\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eR404A\nR507A\nR134a\nR22\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003eActual cooling capacity must be corrected according to the selected refrigerant and operating condition.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFresh-storage cold rooms\u003c\/li\u003e\n\u003cli\u003eChilled-food storage rooms\u003c\/li\u003e\n\u003cli\u003eFrozen-food storage rooms\u003c\/li\u003e\n\u003cli\u003eWalk-in coolers\u003c\/li\u003e\n\u003cli\u003eWalk-in freezers\u003c\/li\u003e\n\u003cli\u003eFood-processing facilities\u003c\/li\u003e\n\u003cli\u003eCold-chain logistics centres\u003c\/li\u003e\n\u003cli\u003eSupermarkets\u003c\/li\u003e\n\u003cli\u003eCentral kitchens\u003c\/li\u003e\n\u003cli\u003eDistribution warehouses\u003c\/li\u003e\n\u003cli\u003eIndustrial refrigeration systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Selection Information\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003ePlease provide the following information before ordering:\n\n1. Cold-room dimensions\n2. Required room temperature\n3. Ambient temperature\n4. Product type\n5. Daily product loading quantity\n6. Required cooling capacity\n7. Refrigerant\n8. Evaporating temperature\n9. Local voltage, phase and frequency\n10. Maximum permitted unit dimensions\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch2\u003eOrdering Notice\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eAll models listed on this product page are supplied with electric defrost.\n\nPlease confirm the required model, refrigerant, operating temperature, cooling capacity, electrical power supply and installation conditions before ordering.\n\nContact us if technical model-selection assistance is required.\u003c\/code\u003e\u003c\/pre\u003e","brand":"Kaidi","offers":[{"title":"GUDL501C – 4.5 mm Fin Spacing","offer_id":43896922701883,"sku":null,"price":337.0,"currency_code":"USD","in_stock":true},{"title":"GUDL501D – 4.5 mm Fin Spacing","offer_id":43896922734651,"sku":null,"price":367.0,"currency_code":"USD","in_stock":true},{"title":"GUDL501E – 4.5 mm Fin Spacing","offer_id":43896922767419,"sku":null,"price":417.0,"currency_code":"USD","in_stock":true},{"title":"GUDL601E – 4.5 mm Fin Spacing","offer_id":43896922800187,"sku":null,"price":593.0,"currency_code":"USD","in_stock":true},{"title":"GUDL351C – 4.5 mm Fin Spacing","offer_id":43896922832955,"sku":null,"price":261.0,"currency_code":"USD","in_stock":true},{"title":"GUDL352B – 4.5 mm Fin Spacing","offer_id":43896922865723,"sku":null,"price":364.0,"currency_code":"USD","in_stock":true},{"title":"GUDL352C – 4.5 mm Fin Spacing","offer_id":43896922898491,"sku":null,"price":410.0,"currency_code":"USD","in_stock":true},{"title":"GUDL402C – 4.5 mm Fin Spacing","offer_id":43896922931259,"sku":null,"price":452.0,"currency_code":"USD","in_stock":true},{"title":"GUDL402D – 4.5 mm Fin Spacing","offer_id":43896922964027,"sku":null,"price":536.0,"currency_code":"USD","in_stock":true},{"title":"GUDL452D – 4.5 mm Fin Spacing","offer_id":43896922996795,"sku":null,"price":607.0,"currency_code":"USD","in_stock":true},{"title":"GUDL502D – 4.5 mm Fin Spacing","offer_id":43896923029563,"sku":null,"price":739.0,"currency_code":"USD","in_stock":true},{"title":"GUDL552D – 4.5 mm Fin Spacing","offer_id":43896923062331,"sku":null,"price":864.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602D – 4.5 mm Fin Spacing","offer_id":43896923095099,"sku":null,"price":930.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602E – 4.5 mm Fin Spacing","offer_id":43896923127867,"sku":null,"price":1104.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602F – 4.5 mm Fin Spacing","offer_id":43896923160635,"sku":null,"price":1196.0,"currency_code":"USD","in_stock":true},{"title":"GUDL632D – 4.5 mm Fin Spacing","offer_id":43896923193403,"sku":null,"price":1301.0,"currency_code":"USD","in_stock":true},{"title":"GUDL632E – 4.5 mm Fin Spacing","offer_id":43896923226171,"sku":null,"price":1413.0,"currency_code":"USD","in_stock":true},{"title":"GUDL603F – 4.5 mm Fin Spacing","offer_id":43896923258939,"sku":null,"price":1686.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633F – 4.5 mm Fin Spacing","offer_id":43896923291707,"sku":null,"price":1909.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633H – 4.5 mm Fin Spacing","offer_id":43896923324475,"sku":null,"price":2427.0,"currency_code":"USD","in_stock":true},{"title":"GUDD501C – 6.0 mm Fin Spacing","offer_id":43896923357243,"sku":null,"price":337.0,"currency_code":"USD","in_stock":true},{"title":"GUDD501D – 6.0 mm Fin Spacing","offer_id":43896923390011,"sku":null,"price":367.0,"currency_code":"USD","in_stock":true},{"title":"GUDD501E – 6.0 mm Fin Spacing","offer_id":43896923422779,"sku":null,"price":417.0,"currency_code":"USD","in_stock":true},{"title":"GUDD601E – 6.0 mm Fin Spacing","offer_id":43896923455547,"sku":null,"price":593.0,"currency_code":"USD","in_stock":true},{"title":"GUDD351C – 6.0 mm Fin Spacing","offer_id":43896923488315,"sku":null,"price":261.0,"currency_code":"USD","in_stock":true},{"title":"GUDD352B – 6.0 mm Fin Spacing","offer_id":43896923521083,"sku":null,"price":364.0,"currency_code":"USD","in_stock":true},{"title":"GUDD352C – 6.0 mm Fin Spacing","offer_id":43896923553851,"sku":null,"price":410.0,"currency_code":"USD","in_stock":true},{"title":"GUDD402C – 6.0 mm Fin Spacing","offer_id":43896923586619,"sku":null,"price":452.0,"currency_code":"USD","in_stock":true},{"title":"GUDD402D – 6.0 mm Fin Spacing","offer_id":43896923619387,"sku":null,"price":536.0,"currency_code":"USD","in_stock":true},{"title":"GUDD452D – 6.0 mm Fin Spacing","offer_id":43896923652155,"sku":null,"price":607.0,"currency_code":"USD","in_stock":true},{"title":"GUDD502D – 6.0 mm Fin Spacing","offer_id":43896923684923,"sku":null,"price":739.0,"currency_code":"USD","in_stock":true},{"title":"GUDD552D – 6.0 mm Fin Spacing","offer_id":43896923717691,"sku":null,"price":864.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602D – 6.0 mm Fin Spacing","offer_id":43896923750459,"sku":null,"price":930.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602E – 6.0 mm Fin Spacing","offer_id":43896923783227,"sku":null,"price":1104.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602F – 6.0 mm Fin Spacing","offer_id":43896923815995,"sku":null,"price":1196.0,"currency_code":"USD","in_stock":true},{"title":"GUDD632D – 6.0 mm Fin Spacing","offer_id":43896923848763,"sku":null,"price":1301.0,"currency_code":"USD","in_stock":true},{"title":"GUDD632E – 6.0 mm Fin Spacing","offer_id":43896923881531,"sku":null,"price":1413.0,"currency_code":"USD","in_stock":true},{"title":"GUDD603F – 6.0 mm Fin Spacing","offer_id":43896923914299,"sku":null,"price":1686.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633F – 6.0 mm Fin Spacing","offer_id":43896923947067,"sku":null,"price":1909.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633H – 6.0 mm Fin Spacing","offer_id":43896923979835,"sku":null,"price":2427.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ501C – 9.0 mm Fin Spacing","offer_id":43896924012603,"sku":null,"price":337.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ501D – 9.0 mm Fin Spacing","offer_id":43896924045371,"sku":null,"price":367.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ501E – 9.0 mm Fin Spacing","offer_id":43896924078139,"sku":null,"price":417.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ601E – 9.0 mm Fin Spacing","offer_id":43896924110907,"sku":null,"price":593.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ351C – 9.0 mm Fin Spacing","offer_id":43896924143675,"sku":null,"price":261.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ352B – 9.0 mm Fin Spacing","offer_id":43896924176443,"sku":null,"price":364.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ352C – 9.0 mm Fin Spacing","offer_id":43896924209211,"sku":null,"price":410.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ402C – 9.0 mm Fin Spacing","offer_id":43896924241979,"sku":null,"price":452.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ402D – 9.0 mm Fin Spacing","offer_id":43896924274747,"sku":null,"price":536.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ452D – 9.0 mm Fin Spacing","offer_id":43896924307515,"sku":null,"price":607.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ502D – 9.0 mm Fin Spacing","offer_id":43896924340283,"sku":null,"price":739.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ552D – 9.0 mm Fin Spacing","offer_id":43896924373051,"sku":null,"price":864.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602D – 9.0 mm Fin Spacing","offer_id":43896924405819,"sku":null,"price":930.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602E – 9.0 mm Fin Spacing","offer_id":43896924438587,"sku":null,"price":1104.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602F – 9.0 mm Fin Spacing","offer_id":43896924471355,"sku":null,"price":1196.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ632D – 9.0 mm Fin Spacing","offer_id":43896924504123,"sku":null,"price":1301.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ632E – 9.0 mm Fin Spacing","offer_id":43896924536891,"sku":null,"price":1413.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ603F – 9.0 mm Fin Spacing","offer_id":43896924569659,"sku":null,"price":1686.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633F – 9.0 mm Fin Spacing","offer_id":43896924602427,"sku":null,"price":1909.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633H – 9.0 mm Fin Spacing","offer_id":43896924635195,"sku":null,"price":2427.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-10_131603_987.png?v=1786497388"},{"product_id":"kaidi-gu-water-defrost-ceiling-evaporators","title":"Kaidi GU Series High-Efficiency Ceiling-Mounted Evaporators with Water Defrost","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003ch3\u003eKaidi GU Series Water-Defrost Evaporators\u003c\/h3\u003e\n\u003cp\u003eThe Kaidi GU Series consists of high-efficiency ceiling-mounted evaporators designed for cold rooms, freezer rooms, food-processing facilities and cold-chain refrigeration applications.\u003c\/p\u003e\n\u003cp\u003eAll models supplied on this product page are equipped with water defrost. The water-distribution system delivers defrost water across the heat exchanger to remove frost effectively, while the large drain-pan connections support rapid discharge of defrost water.\u003c\/p\u003e\n\u003cp\u003eThe available models use 500 mm, 600 mm or 630 mm fan configurations, with two, three or four fans depending on the selected model. Fin spacings of 4.5 mm, 6.0 mm and 9.0 mm are available for different operating temperatures and frost conditions.\u003c\/p\u003e\n\u003cp\u003eAs a Kaidi distributor, we supply the GUDL-W, GUDD-W and GUDJ-W ranges. Model-selection support is available according to cooling load, room temperature, refrigerant, power supply, defrost-water supply and drainage conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-efficiency ceiling-mounted evaporator\u003c\/li\u003e\n\u003cli\u003eWater-defrost system included as standard\u003c\/li\u003e\n\u003cli\u003eUniform water distribution across the heat exchanger\u003c\/li\u003e\n\u003cli\u003eDedicated defrost-water inlet\u003c\/li\u003e\n\u003cli\u003eLarge drain connection for rapid water discharge\u003c\/li\u003e\n\u003cli\u003e500 mm, 600 mm and 630 mm fan configurations\u003c\/li\u003e\n\u003cli\u003eTwo-, three- or four-fan arrangements\u003c\/li\u003e\n\u003cli\u003e4.5 mm, 6.0 mm and 9.0 mm fin-spacing options\u003c\/li\u003e\n\u003cli\u003eLong air throw for medium and large cold rooms\u003c\/li\u003e\n\u003cli\u003ePowder-coated steel casing\u003c\/li\u003e\n\u003cli\u003eOptional aluminium or stainless-steel casing\u003c\/li\u003e\n\u003cli\u003eAlloy-aluminium tube plates\u003c\/li\u003e\n\u003cli\u003eInternally grooved heat-exchange tubes\u003c\/li\u003e\n\u003cli\u003eCorrugated aluminium fins\u003c\/li\u003e\n\u003cli\u003eExternal-rotor fan motors with Class F insulation\u003c\/li\u003e\n\u003cli\u003eAngled drain-pan design\u003c\/li\u003e\n\u003cli\u003eFactory assembled and tested\u003c\/li\u003e\n\u003cli\u003eSuitable for medium- and low-temperature refrigeration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSeries Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency ceiling-mounted evaporator \/ unit cooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable series\u003c\/td\u003e\n\u003ctd\u003eGUDL-W, GUDD-W and GUDJ-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost method\u003c\/td\u003e\n\u003ctd\u003eWater defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan diameter\u003c\/td\u003e\n\u003ctd\u003e500 mm, 600 mm or 630 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan quantity\u003c\/td\u003e\n\u003ctd\u003e2, 3 or 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir volume\u003c\/td\u003e\n\u003ctd\u003eApproximately 11,500–27,000 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir throw\u003c\/td\u003e\n\u003ctd\u003eApproximately 13–20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling-capacity range\u003c\/td\u003e\n\u003ctd\u003eApproximately 6.3–75.1 kW, depending on model and rating condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFin spacing\u003c\/td\u003e\n\u003ctd\u003e4.5 mm, 6.0 mm or 9.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan motor supply\u003c\/td\u003e\n\u003ctd\u003e3-phase, 380 V, 50 Hz – catalogue standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost-water flow\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.8–7.7 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost-water inlet\u003c\/td\u003e\n\u003ctd\u003eG1-1\/2 – standard catalogue models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrain connection\u003c\/td\u003e\n\u003ctd\u003eG3 – standard catalogue models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerants\u003c\/td\u003e\n\u003ctd\u003eR404A, R507A, R134a and R22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 115–286 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit length\u003c\/td\u003e\n\u003ctd\u003eApproximately 2,000–2,758 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit width\u003c\/td\u003e\n\u003ctd\u003eApproximately 542–682 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit height\u003c\/td\u003e\n\u003ctd\u003eApproximately 835–1,142 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard casing\u003c\/td\u003e\n\u003ctd\u003ePowder-coated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional casing\u003c\/td\u003e\n\u003ctd\u003eAluminium or stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eImportant Technical Notice\u003c\/h3\u003e\n\u003cp\u003eCooling capacity, airflow, dimensions, weight, water flow, water-inlet size, drainage connection and refrigerant pipe connections vary by model.\u003c\/p\u003e\n\u003cp\u003eFinal selection must be confirmed according to cooling load, room temperature, evaporating temperature, refrigerant, power supply, available defrost-water pressure, water flow and drainage capacity.\u003c\/p\u003e\n\u003ch2\u003eSeries and Fin Spacing\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eFin Spacing\u003c\/th\u003e\n\u003cth\u003eGeneral Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDL-W\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003ctd\u003eHigher-temperature and fresh-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDD-W\u003c\/td\u003e\n\u003ctd\u003e6.0 mm\u003c\/td\u003e\n\u003ctd\u003eMedium-temperature cold-storage applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGUDJ-W\u003c\/td\u003e\n\u003ctd\u003e9.0 mm\u003c\/td\u003e\n\u003ctd\u003eLow-temperature and freezer applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFin spacing must be selected according to room temperature, humidity, product load and expected frost accumulation.\u003c\/p\u003e\n\u003ch2\u003eModel Code Explanation\u003c\/h2\u003e\n\u003cp\u003eExample: \u003cstrong\u003eGUDJ633H-W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eG product series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eU\u003c\/td\u003e\n\u003ctd\u003eUnit cooler \/ air cooler code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eCeiling-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ\u003c\/td\u003e\n\u003ctd\u003e9.0 mm fin spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e63\u003c\/td\u003e\n\u003ctd\u003e630 mm fan diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eThree fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH\u003c\/td\u003e\n\u003ctd\u003eCoil specification code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003ctd\u003eWater defrost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eOther fin-spacing codes:\u003c\/p\u003e\n\u003cpre\u003e\u003ccode\u003eL = 4.5 mm\nD = 6.0 mm\nJ = 9.0 mm\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003eThe \u003ccode\u003e-W\u003c\/code\u003e suffix must be retained because it identifies the water-defrost configuration.\u003c\/p\u003e\n\u003ch2\u003eStandard Rating Conditions\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eInlet Air Temperature\u003c\/th\u003e\n\u003cth\u003eEvaporating Temperature\u003c\/th\u003e\n\u003cth\u003eRelative Humidity\u003c\/th\u003e\n\u003cth\u003eSuperheat\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC1\u003c\/td\u003e\n\u003ctd\u003e10°C\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003ctd\u003e6.5 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC2\u003c\/td\u003e\n\u003ctd\u003e0°C\u003c\/td\u003e\n\u003ctd\u003e−8°C\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003ctd\u003e5.2 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC3\u003c\/td\u003e\n\u003ctd\u003e−18°C\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e4.6 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC4\u003c\/td\u003e\n\u003ctd\u003e−25°C\u003c\/td\u003e\n\u003ctd\u003e−31°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e3.9 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSC5\u003c\/td\u003e\n\u003ctd\u003e−34°C\u003c\/td\u003e\n\u003ctd\u003e−40°C\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003ctd\u003e3.9 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eCooling-capacity values must be compared under the same rating condition and refrigerant basis.\u003c\/p\u003e\n\u003ch2\u003eConstruction and Components\u003c\/h2\u003e\n\u003ch3\u003eCasing\u003c\/h3\u003e\n\u003cp\u003eThe casing is manufactured from high-quality powder-coated steel for corrosion resistance. Aluminium and stainless-steel casing materials are available for special installation environments.\u003c\/p\u003e\n\u003ch3\u003eHeat Exchanger\u003c\/h3\u003e\n\u003cp\u003eThe heat exchanger uses internally grooved tubes and an optimised refrigerant-circuit layout. Alloy-aluminium tube plates help protect the copper tubes against wear caused by thermal expansion and contraction.\u003c\/p\u003e\n\u003ch3\u003eAluminium Fins\u003c\/h3\u003e\n\u003cp\u003eCorrugated aluminium fins are used to improve air turbulence and heat-transfer performance. Fin spacings of 4.5 mm, 6.0 mm and 9.0 mm are available for different operating temperatures and frost conditions.\u003c\/p\u003e\n\u003ch3\u003eFans\u003c\/h3\u003e\n\u003cp\u003eExternal-rotor fans provide stable airflow and long air throw. The standard fan motors use Class F insulation and are suitable for low-temperature refrigeration environments.\u003c\/p\u003e\n\u003ch3\u003eWater-Defrost System\u003c\/h3\u003e\n\u003cp\u003eThe water-defrost system distributes water across the heat exchanger to remove frost from the coil surface. Water-inlet size and required flow depend on the selected model.\u003c\/p\u003e\n\u003cp\u003eThe water supply must provide sufficient pressure and flow throughout the complete defrost cycle.\u003c\/p\u003e\n\u003ch3\u003eDrain Pan\u003c\/h3\u003e\n\u003cp\u003eThe drain-pan structure is designed to collect and discharge condensate and defrost water efficiently. The drainage system must be sized to handle the maximum water flow during defrosting.\u003c\/p\u003e\n\u003ch2\u003eRefrigerant Compatibility\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eR404A\nR507A\nR134a\nR22\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003eActual cooling capacity must be corrected according to the selected refrigerant and operating condition.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFresh-storage cold rooms\u003c\/li\u003e\n\u003cli\u003eChilled-food storage rooms\u003c\/li\u003e\n\u003cli\u003eFrozen-food storage rooms\u003c\/li\u003e\n\u003cli\u003eWalk-in coolers\u003c\/li\u003e\n\u003cli\u003eWalk-in freezers\u003c\/li\u003e\n\u003cli\u003eFood-processing facilities\u003c\/li\u003e\n\u003cli\u003eCold-chain logistics centres\u003c\/li\u003e\n\u003cli\u003eDistribution warehouses\u003c\/li\u003e\n\u003cli\u003eIndustrial refrigeration systems\u003c\/li\u003e\n\u003cli\u003eApplications requiring rapid removal of accumulated frost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Selection Information\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003ePlease provide the following information before ordering:\n\n1. Cold-room dimensions\n2. Required room temperature\n3. Ambient temperature\n4. Product type\n5. Daily product loading quantity\n6. Required cooling capacity\n7. Refrigerant\n8. Evaporating temperature\n9. Local voltage, phase and frequency\n10. Available defrost-water pressure\n11. Available defrost-water flow\n12. Drainage capacity\n13. Maximum permitted unit dimensions\u003c\/code\u003e\u003c\/pre\u003e\n\u003ch2\u003eOrdering Notice\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003eAll models listed on this product page are supplied with water defrost.\n\nPlease confirm the required model, refrigerant, operating temperature, cooling capacity, electrical power supply, defrost-water pressure, water flow and drainage conditions before ordering.\n\nContact us if technical model-selection assistance is required.\u003c\/code\u003e\u003c\/pre\u003e","brand":"Kaidi","offers":[{"title":"GUDL502D-W – 4.5 mm Fin Spacing","offer_id":43897119277115,"sku":null,"price":836.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602D-W – 4.5 mm Fin Spacing","offer_id":43897119309883,"sku":null,"price":1033.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602E-W – 4.5 mm Fin Spacing","offer_id":43897119342651,"sku":null,"price":1154.0,"currency_code":"USD","in_stock":true},{"title":"GUDL602F-W – 4.5 mm Fin Spacing","offer_id":43897119375419,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDL632D-W – 4.5 mm Fin Spacing","offer_id":43897119408187,"sku":null,"price":1419.0,"currency_code":"USD","in_stock":true},{"title":"GUDL632E-W – 4.5 mm Fin Spacing","offer_id":43897119440955,"sku":null,"price":1516.0,"currency_code":"USD","in_stock":true},{"title":"GUDL603F-W – 4.5 mm Fin Spacing","offer_id":43897119473723,"sku":null,"price":1765.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633F-W – 4.5 mm Fin Spacing","offer_id":43897119506491,"sku":null,"price":2032.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633H-W – 4.5 mm Fin Spacing","offer_id":43897119539259,"sku":null,"price":2447.0,"currency_code":"USD","in_stock":true},{"title":"GUDL503D-W – 4.5 mm Fin Spacing","offer_id":43897119572027,"sku":null,"price":1024.0,"currency_code":"USD","in_stock":true},{"title":"GUDL503E-W – 4.5 mm Fin Spacing","offer_id":43897119604795,"sku":null,"price":1150.0,"currency_code":"USD","in_stock":true},{"title":"GUDL503F-W – 4.5 mm Fin Spacing","offer_id":43897119637563,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDL503EA-W – 4.5 mm Fin Spacing","offer_id":43897119670331,"sku":null,"price":1394.0,"currency_code":"USD","in_stock":true},{"title":"GUDL503EB-W – 4.5 mm Fin Spacing","offer_id":43897119703099,"sku":null,"price":1513.0,"currency_code":"USD","in_stock":true},{"title":"GUDL504F-W – 4.5 mm Fin Spacing","offer_id":43897119735867,"sku":null,"price":1802.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633FA-W – 4.5 mm Fin Spacing","offer_id":43897119768635,"sku":null,"price":2031.0,"currency_code":"USD","in_stock":true},{"title":"GUDL633HA-W – 4.5 mm Fin Spacing","offer_id":43897119801403,"sku":null,"price":2517.0,"currency_code":"USD","in_stock":true},{"title":"GUDD502D-W – 6.0 mm Fin Spacing","offer_id":43897119834171,"sku":null,"price":836.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602D-W – 6.0 mm Fin Spacing","offer_id":43897119866939,"sku":null,"price":1033.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602E-W – 6.0 mm Fin Spacing","offer_id":43897119899707,"sku":null,"price":1154.0,"currency_code":"USD","in_stock":true},{"title":"GUDD602F-W – 6.0 mm Fin Spacing","offer_id":43897119932475,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDD632D-W – 6.0 mm Fin Spacing","offer_id":43897119965243,"sku":null,"price":1419.0,"currency_code":"USD","in_stock":true},{"title":"GUDD632E-W – 6.0 mm Fin Spacing","offer_id":43897119998011,"sku":null,"price":1516.0,"currency_code":"USD","in_stock":true},{"title":"GUDD603F-W – 6.0 mm Fin Spacing","offer_id":43897120030779,"sku":null,"price":1765.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633F-W – 6.0 mm Fin Spacing","offer_id":43897120063547,"sku":null,"price":2032.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633H-W – 6.0 mm Fin Spacing","offer_id":43897120096315,"sku":null,"price":2447.0,"currency_code":"USD","in_stock":true},{"title":"GUDD503D-W – 6.0 mm Fin Spacing","offer_id":43897120129083,"sku":null,"price":1024.0,"currency_code":"USD","in_stock":true},{"title":"GUDD503E-W – 6.0 mm Fin Spacing","offer_id":43897120161851,"sku":null,"price":1150.0,"currency_code":"USD","in_stock":true},{"title":"GUDD503F-W – 6.0 mm Fin Spacing","offer_id":43897120194619,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDD503EA-W – 6.0 mm Fin Spacing","offer_id":43897120227387,"sku":null,"price":1394.0,"currency_code":"USD","in_stock":true},{"title":"GUDD503EB-W – 6.0 mm Fin Spacing","offer_id":43897120260155,"sku":null,"price":1513.0,"currency_code":"USD","in_stock":true},{"title":"GUDD504F-W – 6.0 mm Fin Spacing","offer_id":43897120292923,"sku":null,"price":1802.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633FA-W – 6.0 mm Fin Spacing","offer_id":43897120325691,"sku":null,"price":2031.0,"currency_code":"USD","in_stock":true},{"title":"GUDD633HA-W – 6.0 mm Fin Spacing","offer_id":43897120358459,"sku":null,"price":2517.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ502D-W – 9.0 mm Fin Spacing","offer_id":43897120391227,"sku":null,"price":836.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602D-W – 9.0 mm Fin Spacing","offer_id":43897120423995,"sku":null,"price":1033.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602E-W – 9.0 mm Fin Spacing","offer_id":43897120456763,"sku":null,"price":1154.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ602F-W – 9.0 mm Fin Spacing","offer_id":43897120489531,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ632D-W – 9.0 mm Fin Spacing","offer_id":43897120522299,"sku":null,"price":1419.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ632E-W – 9.0 mm Fin Spacing","offer_id":43897120555067,"sku":null,"price":1516.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ603F-W – 9.0 mm Fin Spacing","offer_id":43897120587835,"sku":null,"price":1765.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633F-W – 9.0 mm Fin Spacing","offer_id":43897120620603,"sku":null,"price":2032.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633H-W – 9.0 mm Fin Spacing","offer_id":43897120653371,"sku":null,"price":2447.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ503D-W – 9.0 mm Fin Spacing","offer_id":43897120686139,"sku":null,"price":1024.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ503E-W – 9.0 mm Fin Spacing","offer_id":43897120718907,"sku":null,"price":1150.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ503F-W – 9.0 mm Fin Spacing","offer_id":43897120751675,"sku":null,"price":1268.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ503EA-W – 9.0 mm Fin Spacing","offer_id":43897120784443,"sku":null,"price":1394.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ503EB-W – 9.0 mm Fin Spacing","offer_id":43897120817211,"sku":null,"price":1513.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ504F-W – 9.0 mm Fin Spacing","offer_id":43897120849979,"sku":null,"price":1802.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633FA-W – 9.0 mm Fin Spacing","offer_id":43897120882747,"sku":null,"price":2031.0,"currency_code":"USD","in_stock":true},{"title":"GUDJ633HA-W – 9.0 mm Fin Spacing","offer_id":43897120915515,"sku":null,"price":2517.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-10_131603_987.png?v=1786497388"}],"url":"https:\/\/xiaxuecoldroom.com\/collections\/evaporator\/gudd-w.oembed","provider":"XIAXUE Refrigeration","version":"1.0","type":"link"}