{"product_id":"invotech-yf-q621-liquid-injection-scroll-compressor","title":"InvoTech YF-Q621 Quiet-Enhanced Liquid-Injection Scroll Compressor","description":"\u003ch2\u003eInvoTech YF-Q621 Liquid-Injection Scroll Compressor\u003c\/h2\u003e\n\n\u003cp\u003e\nThe InvoTech YF-Q621 Series is a quiet-enhanced hermetic scroll compressor range designed for demanding low-temperature refrigeration applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIts liquid-injection configuration helps control compressor discharge temperature during low-temperature operation, supporting reliable performance in freezer rooms, frozen-food storage and commercial low-temperature condensing units.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eQuiet-enhanced hermetic scroll construction\u003c\/li\u003e\n  \u003cli\u003eLiquid-injection configuration for low-temperature operation\u003c\/li\u003e\n  \u003cli\u003eImproved discharge-temperature control\u003c\/li\u003e\n  \u003cli\u003eR404A and R22 model options\u003c\/li\u003e\n  \u003cli\u003eThree-phase 50 Hz and 60 Hz configurations\u003c\/li\u003e\n  \u003cli\u003eNominal capacity range from 3 HP to 12 HP\u003c\/li\u003e\n  \u003cli\u003eLow vibration and smooth scroll compression\u003c\/li\u003e\n  \u003cli\u003eMultiple compressor platforms for different capacities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eCompressor Type\u003c\/th\u003e\n      \u003ctd\u003eHermetic Scroll Compressor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInjection Method\u003c\/th\u003e\n      \u003ctd\u003eLiquid Injection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eApplication\u003c\/th\u003e\n      \u003ctd\u003eLow-Temperature Refrigeration\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eRefrigerants\u003c\/th\u003e\n      \u003ctd\u003eR404A or R22, depending on model\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePower Supply\u003c\/th\u003e\n      \u003ctd\u003e380–420 V \/ 3 Ph \/ 50 Hz or 460 V \/ 3 Ph \/ 60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNominal Horsepower\u003c\/th\u003e\n      \u003ctd\u003e3–12 HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eDisplacement\u003c\/th\u003e\n      \u003ctd\u003e46.6–189.1 cc\/rev\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eLubricant\u003c\/th\u003e\n      \u003ctd\u003ePOE for R404A models; 3GS for R22 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eCrankcase Heater\u003c\/th\u003e\n      \u003ctd\u003e70–90 W, depending on model\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInitial Oil Charge\u003c\/th\u003e\n      \u003ctd\u003e1.4–3.5 L\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNet Weight\u003c\/th\u003e\n      \u003ctd\u003eApproximately 31–57 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePlatforms\u003c\/th\u003e\n      \u003ctd\u003e163L, 163H and 190H\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNominal Rating Conditions\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEvaporating temperature: −31.6°C\u003c\/li\u003e\n  \u003cli\u003eCondensing temperature: 40.6°C\u003c\/li\u003e\n  \u003cli\u003eSuction superheat: 36 K\u003c\/li\u003e\n  \u003cli\u003eSubcooling: 0 K\u003c\/li\u003e\n  \u003cli\u003eAmbient temperature: 35°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWalk-in freezer rooms\u003c\/li\u003e\n  \u003cli\u003eFrozen-food storage\u003c\/li\u003e\n  \u003cli\u003eIce-making equipment\u003c\/li\u003e\n  \u003cli\u003eLow-temperature food processing\u003c\/li\u003e\n  \u003cli\u003eSupermarket freezer systems\u003c\/li\u003e\n  \u003cli\u003eCommercial low-temperature condensing units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Models\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eR22 Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\nYF20A1G-Q621, YF29A1G-Q621, YF35A1G-Q621 and YF41A1G-Q621\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eR404A Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\nYF20E1G-Q621, YF29E1G-Q621, YF35E1G-Q621, YF41E1G-Q621,\nYF45E1G-Q621, YF56E1G-Q621, YF65E1G-Q621, YF72E1G-Q621\nand YF80E1G-Q621\n\u003c\/p\u003e\n\n\u003ch3\u003eSystem Design Notice\u003c\/h3\u003e\n\n\u003cp\u003e\nThe liquid-injection components, injection flow and control method must be selected according to the compressor model and actual operating conditions. The compressor must remain within the manufacturer’s approved operating envelope.\n\u003c\/p\u003e","brand":"Invotech","offers":[{"title":"R22 \/ YF20A1G-Q621","offer_id":43979969658939,"sku":null,"price":291.0,"currency_code":"USD","in_stock":true},{"title":"R22 \/ YF29A1G-Q621","offer_id":43982299201595,"sku":null,"price":304.0,"currency_code":"USD","in_stock":true},{"title":"R22 \/ YF35A1G-Q621","offer_id":43982299234363,"sku":null,"price":312.0,"currency_code":"USD","in_stock":true},{"title":"R22 \/ YF41A1G-Q621","offer_id":43982299267131,"sku":null,"price":360.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF20E1G-Q621","offer_id":43982299398203,"sku":null,"price":306.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF29E1G-Q621","offer_id":43982299430971,"sku":null,"price":323.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF35E1G-Q621","offer_id":43982299463739,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF41E1G-Q621","offer_id":43982299496507,"sku":null,"price":378.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF45E1G-Q621","offer_id":43982299529275,"sku":null,"price":412.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF56E1G-Q621","offer_id":43982299562043,"sku":null,"price":538.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF65E1G-Q621","offer_id":43982299594811,"sku":null,"price":560.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF72E1G-Q621","offer_id":43982299627579,"sku":null,"price":570.0,"currency_code":"USD","in_stock":true},{"title":"R404A \/ YF80E1G-Q621","offer_id":43982299660347,"sku":null,"price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-10_131817_920_f8bb09ca-67e7-432b-a91c-9338f6945d98.png?v=1786513157","url":"https:\/\/xiaxuecoldroom.com\/products\/invotech-yf-q621-liquid-injection-scroll-compressor","provider":"XIAXUE Refrigeration","version":"1.0","type":"link"}