Rooftop installation horizontal air to air heat pump air conditioners have gained extensive popularity and are widely utilized in various settings, including villas, family houses, commercial buildings, and offices. This type of air conditioner is engineered with a high – static pressure air – blowing design. This unique feature enables it to efficiently heat and cool large – sized buildings. By being connected to ductwork, it can effectively distribute conditioned air to different rooms within the building, ensuring a comfortable indoor environment throughout the entire space even for large size building.
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Pre-compact type unit (easily convertible into split units).
Low-profile design for installation in suspended ceiling.
Copeland scroll compressor high efficiency and reliability.
Easy to installation and flexibility.
Wide range of air flow and pressures available.
Programmable electronic controller for easy handling.
Wide range of application (up to 49°C outside temperature cycle in cooling).
Sockets for external maintenance and service.

All units are designed to operate in outdoor temperatures between 12ºC and 50ºC in the cold cycle, and between 24ºC and -15ºC in the hot cycle.


Compact type air to air heat pump unit for installation in suspended ceiling and building top.
Electronic expansion valve to increase COP 20% higher than other similar air conditioners. All models built inside an electronic expansion valve to allows the unit’s performance to be optimized in all operating conditions.
Copeland scroll compressor to get high efficiency and reliability
High static pressure air blowing with wide range of air flow and pressures available.
Programmable electronic controller for easy handling.
Wide range of application (up to 50℃ outside air temperature in cooling function).
Sockets for external maintenance and service.
Easy maintenance. Easy accessibility to all components. The unit incorporates external pressure taps for easy service and maintenance. High quality parts result in almost 0 maintenance.
The units are specifically designed to be coupled to a network of air distribution ducts.
There are multiple options for supplying and returning air.
This versatility allows it to adapt to the needs of any duct arrangement at the installation.
Techical Data
| MODEL NO | WDWS-140 | WDWS-170 | WDWS-210 | WDWS-250 | WDWS-290 | ||
| Capacity | Heating | W | 13900 | 17100 | 21500 | 25100 | 28900 |
| Cooling | W | 12100 | 15300 | 17800 | 22200 | 26300 | |
| Input Power Rating | Heating | W | 4200 | 5400 | 7200 | 8200 | 9600 |
| Cooling | W | 3900 | 4800 | 6300 | 7400 | 8600 | |
| Voltage | V/Ph/Hz | 380V/3/50HZ | |||||
| Static Pressure | Indoor/Outdoor | Pa | 70/50 | 90/50 | 100/50 | 100/50 | 100/50 |
| Circulation Air Volume | Indoor/Outdoor | m3/h | 2400/3800 | 3300/4950 | 3300/4900 | 4400/6400 | 4800/7200 |
| Dimension(LxHxD) | Compact | mm | 1340x625x1370 | 1500x625x1750 | |||
| Indoor | mm | 1340x625x550 | 1500x625x750 | ||||
| Outdoor | mm | 1340x625x820 | 1500x625x1000 | ||||
| Weight | Compact | KG | 250 | 272 | 303 | 323 | 350 |
| Indoor | KG | 75 | 82 | 93 | 98 | 105 | |
| Outdoor | KG | 175 | 190 | 210 | 225 | 245 | |
| Compressor Type | Scroll | ||||||