KAIDELI GUSJ Double-Side Blow Unit Cooler – 9 mm Fin Spacing
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KAIDELI GUSJ Double-Side Blow Unit Cooler – 9 mm Fin Spacing
Description
KAIDELI GUSJ Series Double-Side Blow Unit Coolers
The KAIDELI GUSJ series offers 9 mm fin spacing in a ceiling-mounted, double-side blow evaporator configuration. Electric defrost heaters are specified for both the coil and drain pan.
The nine-model range extends from GUSJ401B to GUSJ454EC. Published performance at SC2, SC3 and SC4 provides reference data for evaluating projects at different cooling conditions. Use the tables below to assess capacity alongside airflow, heater load and available installation space.
Key Features
- Double-side air discharge.
- 9 mm fin spacing.
- Ceiling-mounted configuration.
- Electric coil and drain pan heaters.
- Copper-tube and aluminium-fin construction.
Applications
Consider the GUSJ series for frozen-storage and other refrigeration projects where 9 mm fin spacing suits the expected moisture and frost load. Final selection should account for product loading, infiltration, operating temperatures and the available defrost period.
Cooling Performance and Airflow
| Model | SC2 (kW) | SC3 (kW) | SC4 (kW) | Tube Volume (L) | Catalog Fan Power (qty × W) | Airflow (m³/h) | Air Throw (m) |
|---|---|---|---|---|---|---|---|
| GUSJ401B | 1.57 | 1.14 | 0.97 | 2.2 | 1 × 180 | 3,500 | 8 |
| GUSJ451D | 3.53 | 2.57 | 2.19 | 4.3 | 1 × 250 | 3,818 | 9 |
| GUSJ402C | 5.13 | 3.74 | 3.18 | 6.5 | 2 × 180 | 6,580 | 8 |
| GUSJ452D | 7.28 | 5.32 | 4.52 | 8.6 | 2 × 250 | 7,900 | 9 |
| GUSJ452E | 7.91 | 5.78 | 4.91 | 10.8 | 2 × 250 | 7,400 | 9 |
| GUSJ453E | 11.07 | 8.08 | 6.87 | 13.5 | 3 × 250 | 10,200 | 9 |
| GUSJ453EC | 13.23 | 9.65 | 8.19 | 16.2 | 3 × 250 | 12,000 | 9 |
| GUSJ454E | 15.35 | 11.21 | 9.51 | 18.9 | 4 × 250 | 13,800 | 9 |
| GUSJ454EC | 17.46 | 12.74 | 10.83 | 21.5 | 4 × 250 | 15,500 | 9 |
Fan power is reproduced from the manufacturer’s power column. Confirm the final fan quantity and diameter against the approved model specification.
Capacity Rating Conditions
| Rating | Inlet Air Temperature | Evaporating Temperature | Relative Humidity | Superheat |
|---|---|---|---|---|
| SC2 | 0°C | −8°C | 85% | 5.2 K |
| SC3 | −18°C | −25°C | 95% | 4.6 K |
| SC4 | −25°C | −31°C | 95% | 3.9 K |
SC ratings describe specific reference conditions. They do not guarantee performance at other temperatures or define the unit’s operating limits. Confirm capacity for the actual refrigerant and project conditions.
Electric Defrost Specifications
| Model | Coil Heaters (kW × qty) | Drain Pan Heaters (kW × qty) | Total Installed Heater Load (kW) |
|---|---|---|---|
| GUSJ401B | 0.30 × 4 | 0.30 × 4 | 2.40 |
| GUSJ451D | 0.30 × 8 | 0.30 × 4 | 3.60 |
| GUSJ402C | 0.45 × 8 | 0.45 × 4 | 5.40 |
| GUSJ452D | 0.50 × 8 | 0.50 × 4 | 6.00 |
| GUSJ452E | 0.50 × 12 | 0.50 × 4 | 8.00 |
| GUSJ453E | 0.65 × 12 | 0.65 × 4 | 10.40 |
| GUSJ453EC | 0.70 × 12 | 0.70 × 4 | 11.20 |
| GUSJ454E | 0.90 × 12 | 0.90 × 4 | 14.40 |
| GUSJ454EC | 1.00 × 12 | 1.00 × 4 | 16.00 |
Published fan supply: 380 V / 3-phase / 50 Hz.
Published defrost heater supply: 220 V / single-phase / 50 Hz.
Total installed heater load is calculated from the listed heater quantities and individual ratings. It excludes fan power. Actual defrost energy consumption depends on control settings and operating conditions.
Dimensions and Connections
| Model | Overall B × T × H (mm) | Liquid / Suction Connection Ø (mm) | Drain Connection | Weight (kg) |
|---|---|---|---|---|
| GUSJ401B | 955 × 1160 × 421 | 12 / 22 | G3/4 | 53 |
| GUSJ451D | 955 × 1160 × 421 | 12 / 22 | G3/4 | 58 |
| GUSJ402C | 1555 × 1160 × 421 | 12 / 28 | G3/4 | 87 |
| GUSJ452D | 1555 × 1160 × 421 | 22 / 35 | G3/4 | 92 |
| GUSJ452E | 1555 × 1160 × 421 | 22 / 42 | G1 | 97 |
| GUSJ453E | 1855 × 1160 × 421 | 12 / 28* | G1 | 120 |
| GUSJ453EC | 2155 × 1160 × 421 | 22 / 35 | G1 | 132 |
| GUSJ454E | 2455 × 1160 × 421 | 22 / 42 | G1 | 156 |
| GUSJ454EC | 2755 × 1160 × 421 | 22 / 42 | G1 | 169 |
Dimensions follow the manufacturer’s B × T × H convention. Verify mounting positions, maintenance clearances and condensate drainage using the installation drawing.
The GUSJ453E connection sizes follow the published table; obtain factory confirmation before preparing the pipework.
How to Select Your Model
- Calculate the cooling load at the intended storage or process conditions.
- Specify the refrigerant and design evaporating temperature.
- Use the corresponding SC rating as a comparison reference.
- Review moisture ingress, frost accumulation and defrost requirements.
- Check the room layout, airflow paths, electrical supplies and installation drawing.
| Model |
GUSJ401B, GUSJ451D, GUSJ402C, GUSJ452D, GUSJ452E, GUSJ453E, GUSJ453EC, GUSJ454E, GUSJ454EC |
|---|