As a Clean Type Heat Pump and single cold unit, it integrates advanced hermetic scroll or semi-hermetic screw compressors, precision temperature/humidity control, and multi-stage air filtration to deliver clean, comfortable air. Ideal for large spaces like shopping malls, industrial plants, and data centers, this split rooftop AC unit combines powerful performance with low noise operation (70-75dB(A)) and flexible installation. Its compliance with global HVAC standards and optional refrigerants (R22/R410A) make it a versatile choice for businesses prioritizing energy efficiency and indoor air quality.
Wide cooling capacity range (27.8kW-421kW) and heating capacity (29.5kW-427.5kW) adapt to diverse climate conditions and space requirements.
Clean Type Heat Pump technology ensures energy-efficient heating, reducing energy consumption compared to electric resistance heaters.
±1℃ temperature control sensitivity and ±8% humidity control accuracy maintain optimal indoor conditions for comfort and process stability.
Plate-type primary efficiency G4 + bag-type medium efficiency F7 filter unit removes dust, pollen, and contaminants, improving indoor air quality.
Hermetic scroll or semi-hermetic screw compressors (2-8 sets) deliver reliable performance with low energy consumption.
External equalizer thermostatic expansion valve optimizes refrigerant flow, enhancing cooling/heating efficiency.
High-efficient axial flow condensate fans and centrifugal blowers minimize operational noise (70-75dB(A)), suitable for noise-sensitive environments.
Corrosion-resistant condenser/evaporator (efficient red copper tube cover aluminum fin) ensures long-term durability in outdoor rooftop conditions.
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Type | WFWJR(D)28 | WFWJR(D)35 | WFWJR(D)45 | WFWJR(D)60 | WFWJR(D)75 | WFWJR(D)90 | |||||||||||
WFWJL(D)28 | WFWJL(D)35 | WFWJL(D)45 | WFWJL(D)60 | WFWJL(D)75 | WFWJL(D)90 | ||||||||||||
Air-conditioning | Refrigerating capacity | kW | 27.8 | 34.5 | 45 | 60 | 74.5 | 91 | |||||||||
Heating capacity | kW | 29.5 | 36.5 | 48 | 65 | 78 | 96 | ||||||||||
Air volume | m/h | 3500 | 4200 | 4500 | 5500 | 7000 | 8500 | 8000 | 9000 | 10000 | 10500 | 11500 | 12500 | 12000 | 13500 | 14800 | |
External static | Pa | 400,600,800 | |||||||||||||||
Unit power | kW | Refer to the unit electrical parameters | |||||||||||||||
Temperature control | ℃ | ±1 | |||||||||||||||
Humidity control | % | ±8 | |||||||||||||||
Unit noise | dB(A) | 70 | 70 | 71 | 71 | 72 | 73 | ||||||||||
Operating power supply | 3/N/PE AC 380/220V 50Hz | ||||||||||||||||
Compression-condensation section | Compressor | Type | Hermetic scroll compressor | ||||||||||||||
Set number | 2 | 2 | 2 | 2 | 2 | 3 | |||||||||||
Refrigerant | Working | R22/R410A(optional) | |||||||||||||||
Control form | External equalizer thermostatic expansion valve | ||||||||||||||||
Charge | 2×3.5 | 2×4 | 2×6 | 2×7 | 2×8 | 3×7 | |||||||||||
Condenser type | Efficient red copper tube cover aluminum fin | ||||||||||||||||
Condensate fan | Type | High-efficient axial flow fan | |||||||||||||||
Qty | 2 | 2 | 2 | 2 | 2 | 2 | |||||||||||
Refrigerant pipe | Air pipe | 2-p19(threaded interface) | 2-φ22 | 2-φ28 | 2-φ28 | 3-φ28 | |||||||||||
Liquid pipe | 2-φ12(threaded interface) | 2-φ 16 | 2-φ 16 | 2-φ 16 | 3-φ 16 | ||||||||||||
Weight | kg | 210 | 220 | 2*140 | 2*160 | 2*170 | 700 | ||||||||||
Air-handling section | Blower | Type | Centrifugal type | ||||||||||||||
●Electric heater | Heating capacity | 12 | 15 | 18 | 24 | 30 | 36 | ||||||||||
Filter unit | Plate-type primary efficiency G4+bag-type medium efficiency F7 | ||||||||||||||||
Evaporator type | Efficient red copper tube cover aluminum fin | ||||||||||||||||
Weight | kg | 550 | 650 | 850 | 950 | 1000 | 1100 | ||||||||||
Type Performance | WFWJR(D)110 | WFWJR(D)150 | WFWJR(D)190 | WFWJR(D)220 | WFWJR(D)260 | WFWJR(D)300 | ||||||||||||||
WFWJL(D)110 | WFWJL(D)150 | WFWJL(D)190 | WFWJL(D)220 | WFWJL(D)260 | WFWJL(D)300 | |||||||||||||||
Air-conditioning | Refrigerating capacity | kW | 109 | 149.4 | 189.5 | 219 | 258 | 298 | ||||||||||||
Heating capacity | kW | 110.4 | 151 | 191.4 | 222 | 261 | 302 | |||||||||||||
Air volume | m/h | 14500 | 16000 | 17500 | 22000 | 24000 | 26000 | 27000 | 30000 | 33000 | 30000 | 33000 | 36000 | 34500 | 38000 | 41500 | 41000 | 45000 | 49000 | |
External static | Pa | 400,600,800 | ||||||||||||||||||
Unit power | kW | Refer to the unit electrical parameters | ||||||||||||||||||
Temperature control | ℃ | ±1 | ||||||||||||||||||
Unit noise | dB(A) | 73 | 73 | 74 | 74 | 75 | 75 | |||||||||||||
Operating power supply | 3/N/PE AC 380/220V 50Hz | |||||||||||||||||||
Compression-condensation section | Compressor | Type | Hermetic scroll compressor | |||||||||||||||||
Set number | 3 | 4 | 5 | 6 | 7 | 8 | ||||||||||||||
Refrigerant | Working | R22/R410A(optional) | ||||||||||||||||||
Control form | External equalizer thermostatic expansion valve | |||||||||||||||||||
8hyra) | 3×10 | 4×10 | 5×10 | 6×10 | 7×10 | 8×10 | ||||||||||||||
Condenser type | Efficient red copper tube cover aluminum fin | |||||||||||||||||||
Condensate fan | Type | High-efficient axial flow fan | ||||||||||||||||||
Qty | 2 | 2 | 4 | 4 | 4 | 4 | ||||||||||||||
Refrigerant pipe | Air pipe | 3-φ28 | 4-φ28 | 5-φ28 | 6-φ28 | 7-φ28 | 8-φ28 | |||||||||||||
Liquid pipe | 3-φ16 | 4-φ 16 | 5-φ 16 | 6-φ 16 | 7-φ 16 | 8-Φ 16 | ||||||||||||||
Weight | kg | 700 | 800 | 1230 | 1400 | 1500 | 1600 | |||||||||||||
Air-handling section | Blower | Type | Centrifugal type | |||||||||||||||||
●Electric heater | Heating capacity | 24 | 27 | 48 | 60 | 72 | 80 | |||||||||||||
●Steam heater | Heating capacity | 60 | 80 | 100 | 140 | 160 | 180 | |||||||||||||
●Hot water heater | Heating capacity | 60 | 80 | 100 | 140 | 160 | 180 | |||||||||||||
Filter unit | Plate-type primary efficiency G4+bag-type medium efficiency F7 | |||||||||||||||||||
Evaporator type | Efficient red copper tube cover aluminum fin | |||||||||||||||||||
Weight | kg | 1200 | 1600 | 1850 | 1950 | 2300 | 2600 | |||||||||||||
Type Performance | WFLJR(D)260 | WFLJR(D)310 | WFLJR(D)370 | WFLJR(D)420 | ||||||||||
WFLJL(D)260 | WFLJL(D)310 | WFLJL(D)370 | WFLJL(D)420 | |||||||||||
Air-conditioning | Refrigerating capacity | kW | 260 | 309.5 | 369.5 | 421 | ||||||||
Heating capacity | kW | 265 | 326.5 | 378.5 | 427.5 | |||||||||
Air volume | m/h | 34500 | 38000 | 41500 | 41000 | 45000 | 49000 | 45000 | 49000 | 54000 | 53000 | 58000 | 64500 | |
External static | Pa | 400,600,800 | ||||||||||||
Unit power | kW | Refer to the unit electrical parameters | ||||||||||||
Temperature control | ℃ | ±1 | ||||||||||||
Unit noise | dB(A) | 74 | 74 | 75 | 75 | |||||||||
Operating power supply | 3/N/PE AC 380/220V 50Hz | |||||||||||||
Compression-condensation section | Compressor | Type | Semi-hermetic screw compressor | |||||||||||
Set number | 1 | 1 | 1 | 1 | ||||||||||
Refrigerant | Working | R22 | ||||||||||||
Control form | External equalizer thermostatic expansion valve | |||||||||||||
shyero | 110 | 140 | 150 | 170 | ||||||||||
Condenser type | Efficient red copper tube cover aluminum fin | |||||||||||||
Condensate fan | Type | High-efficient axial flow fan | ||||||||||||
Qty | 6 | 6 | 8 | 8 | ||||||||||
Refrigerant pipe connecting specification | Air pipe | 2-Φ 54 | 2-φ54 | 2-φ67 | 2-φ 67 | |||||||||
Liquid pipe | 2-φ 28 | 2-φ 28 | 2-φ35 | 2-φ 35 | ||||||||||
Weight | kg | 2280 | 2400 | 2850 | 3000 | |||||||||
Air-handling section | Blower | Type | Centrifugal type | |||||||||||
●Electric heater | Heating capacity | 72 | 80 | 90 | 108 | |||||||||
●Steam heater | Heating capacity | 160 | 180 | 200 | 280 | |||||||||
●Hot water heater | Heating capacity | 160 | 180 | 200 | 280 | |||||||||
Filter unit | Plate-type primary efficiency G4+bag-type medium efficiency F7 | |||||||||||||
Evaporator type | Efficient red copper tube cover aluminum fin | |||||||||||||
Weight | kg | 2300 | 2600 | 3100 | 3700 | |||||||||
Shopping malls, supermarkets, and office complexes requiring uniform temperature control across large spaces.
Hotels and restaurants prioritizing guest comfort and low noise operation.
Industrial plants, warehouses, and manufacturing facilities needing climate control for equipment and processes.
Data centers and server rooms requiring stable temperature/humidity to protect sensitive electronics.
Hospitals, clinics, and schools where clean air and precise environmental control are critical.
Space-Saving Rooftop Installation: Eliminates the need for indoor floor space, maximizing usable area in buildings.
Versatile Refrigerant Options: R22/R410A compatibility allows compliance with regional environmental regulations.
Easy Maintenance: Modular design and accessible components simplify routine checks and repairs.
High Air Handling Capacity: Large air volume (3500m³/h-64500m³/h) ensures rapid climate control in large spaces.
Install the unit on a reinforced rooftop structure capable of supporting the unit’s weight (210kg-3700kg).
Ensure minimum 1m clearance around the unit for air circulation and maintenance.
Secure the compression-condensation section and air-handling section on the rooftop (follow section-specific weight limits).
Connect refrigerant pipes (air pipe: 2×φ19-8×φ67; liquid pipe: 2×φ12-2×φ35) using leak-proof fittings.
Connect the power supply (3/N/PE AC 380/220V 50Hz) and test the unit’s control system.
Commission the unit under specified working conditions (refrigeration: 27℃ dry bulb/19℃ wet bulb; heating: 20℃ indoor/7℃ outdoor).
Replace air filters every 3-6 months to maintain air flow and filtration efficiency.
Check refrigerant levels annually and top up if necessary (follow manufacturer’s specifications).
R410A is the recommended eco-friendly option, as it has zero ozone depletion potential (ODP) compared to R22.
Yes, the unit is designed to operate under standard HVAC conditions; contact us for custom solutions for extreme climates.
Clean the fins annually to remove dust and debris, ensuring optimal heat transfer efficiency.
