12~300kW Cooling Capacity Rooftop Ac Unit Standard Models
Rooftop systems offer a flexible way to provide treated air for one to eight-story buildings. Many options and configurations are available to satisfy a wide number of applications. Fresh outside air is mixed with return air from the occupied space and then filtered, conditioned, and supplied back into the building. Conditioning involves cooling, dehumidifying, or heating the air for optimal space comfort. Rooftop units can serve a single zone, or an entire building filled with many zones. Some units can be specifically designed for make-up air, where only outside air is treated and sent to the space. Inverter compressors, belt-less ECM fans, and energy recovery solutions make rooftop systems an easy-to-maintain, energy-efficient choice for conditioning any space. Natural gas, electric, hot water, steam, and heat pump heat provide reliable heating for spaces with colder seasons and climates.
Features
Energy-efficient compressor with internal relief valve
Multi-speed EC fan optional
Quiet horizontal discharge
Copper tube / aluminum fin condenser and evaporator coil
Application:
Used in a large number of fresh air and exhaust air conditioning system.
Such as laboratory, for security needs, must be a lot of wind, which also need to add fresh air, if you can recover the energy of exhaust, to preheat or pre cooling fresh air can be a lot of energy.
Full heat recovery can recover latent heat, and partial heat recovery can not be.
Where it can achieve the recovery of phase change heat of the occasion, can use the full heat recovery technology.
Technical parameter:
| Model | SRF12ZA | SRF 15ZA | SRF18ZA | SRF24ZA | SRF30ZA | SRF35ZA |
| SF12ZA | SF15ZA | SF18ZA | SF24ZA | SF30ZA | SF35ZA |
| Nominal cooling capacity | kW | 12 | 15.2 | 17.5 | 24 | 30.3 | 35.6 |
| Nominal heating capacity | kW | 13.2 | 16.6 | 18.4 | 26.5 | 33.3 | 37.7 |
| Energy regulation | % | 0,100% | 0,50,100% |
| Power supply | 380V / 3Ph / 50HZA |
| Cooling input capacity | kW | 4.1 | 5.3 | 5.5 | 8.8 | 11.3 | 12.3 |
| Heating input capacity | kW | 3.8 | 4.8 | 5.1 | 8.2 | 10.4 | 11.3 |
| Start current | A | 48 | 62 | 63 | 63 | 74 | 76 |
| Cooling running current | A | 7.4 | 9.7 | 10.2 | 16.1 | 21.2 | 23.3 |
| Heating running current | A | 6.9 | 9.2 | 9.7 | 15.1 | 20.1 | 22.2 |
| Throttling method | Thermal expansion valve |
| Cooling system | 1 | 1 | 1 | 1 | 2 | 2 |
| Refrigerant | R410A |
| Compressor | Type | Hermetic scroll compressor |
| Qty | 1 | 1 | 1 | 1 | 2 | 2 |
| Condensation side | |
| Condenser | Type | Copper tube and aluminum fin |
| Qty | 1 | 1 | 1 | 1 | 1 | 1 |
| Drive type | Direct drive |
| Motor power | kW | 0.25 | 0.37 | 0.37 | 0.55 | 0.75 | 0.75 |
| Air volume | m3 /h | 4600 | 7800 | 7800 | 9000 | 12600 | 12600 |
| Evaporation side | |
| Evaporator | Type | Copper tube and aluminum fin |
| Qty | 1 | 1 | 1 | 1 | 1 | 1 |
| Motor power | kW | 0.32 | 0.37 | 0.45 | 1.1 | 1.5 | 2.2 |
| Air volume | m3 /h | 2100 | 2600 | 3400 | 4100 | 5200 | 6300 |
| Drive type | Direct drive | Pulley |
| Static pressure(Pa) | 100 | 100 | 100 | 200 | 200 | 250 |
| Filter | Aluminum filter G3 |
| Noise dB(A) | 67 | 67 | 68 | 71 | 72 | 72 |
| Refrigerant filling volume(kg) | 3.1 | 3.1 | 4.3 | 2x3.1 | 2x3.1 | 2x4.3 |
| Overall dimensions | Length(mm) | mm | 1410 | 1410 | 1410 | 1978 | 1978 | 1978 |
| Width(mm) | mm | 1100 | 1100 | 1100 | 1175 | 1175 | 1175 |
| Height(mm) | mm | 1095 | 1095 | 1095 | 1095 | 1095 | 1095 |
| Weight | kg | 240 | 260 | 290 | 420 | 480 | 500 |
1. Nominal cooling capacity is under nominal air volume, indoor DB/WB temperature is 27℃/19℃ and outdoor DB/WB temperature is 35℃/24℃ condition;
2. Nominal heating capacity is under nominal air volume, indoor DB/WB temperature is 20℃/15℃ and outdoor DB/WB temperature is 7℃/6℃ condition;
Preferred Usage Areas
Commercial Building Air Conditioning
Hotel Air Conditioning
Airport Air Conditioning
Workshop showing:
Some overseas project:
Pre-Sales Service:
* Inquiry and consulting support.
* Sample testing.
* View our Factory.
After-Sales Service:
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
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300kW Capacity Rooftop Heating And Cooling Rtu Package Units Images
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