The part instroduce of the 400000 btu/h Rooftop Package Air Conditioning:
Energy recovery system
It is the preferred solution to solve two conflicting requirements: reduce running costs (increase efficiency) while maintaining the indoor air quality at high levels (through ventilation).
An enthalpy rotary wheel retains the energy from the exhaust air and transmits it to the fresh air stream that is being supplied in the conditioned space.
The material used is manufactured with the latest technology to increase the energy transmission in both sensible and latent heat.
Filter options Washable air filters: G4 class filter (gravimetric efficiency above 90%) and M1 fire class, it comes with galvanized sheet metal frame that allows easy cleaning and replacement. Delivered as standard. Filter kit F6: for Average Opacimetric efficiency (em) 60% ≤ em ≤ 80% Filter kit F7: for Average Opacimetric efficiency (em) 80% ≤ em ≤ 90% As per EN 779

| 400000 btu/h Rooftop Package Air Conditioning | ||||
| Model No. | WKL40 | |||
| Unit Performance | Cooling capacity | ton | 33 | |
| Air flow | m3/h | 20000 | ||
| External static pressure | Pa | 350 | ||
| Noise level | dB(A) | 78 | ||
| Power supply | 3PH~50HZ 380V | |||
| Refrigerant System | Refrigerant | R410a | ||
| Compressor | Type | Hermetic scroll compressor | ||
| Power | kW | 7.5*4 | ||
| Evaporator | Type | Copper tubes with aluminium fins | ||
| Condenser | Type | Copper tubes with aluminium fins | ||
| Air supply system | Condenser fan | Type | Ultra-low noise axial type | |
| Drive method | Direct drive | |||
| Motor power | kW | 1.8*2 | ||
| Evaporator fan | Type | Double-inlet centrifugal type | ||
| Drive method | Belt drive | |||
| Motor power | kW | 7.5 | ||
| Unit dimensions | L*W*H | mm | 2300*2150*2200 | |
| Net weight | kg | 1500 |










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