A high-efficiency DC inverter dual rotary compressor is adopted. It features unique dual-pressure chamber design and symmetrical location, which can effectively reduce the vibration and noise and improve the compressor performance, especially the performance under low-frequency operation.
Moreover, the dual rotary compressor has a small lubricating oil injection volume with stable oil return, and comes with a gas-liquidseparator, which makes the system more reliable.

The bistable four-way valve adopted in the outdoor unit only consumes power when reversing directions, which is more energy-saving compared with conventional four-way valve. Besides, the reliability of valve coil is also greatly improved.

Extended operation range creates wider application potential,in cooling mode the operation range is from -10℃ to 48℃ and in heating mode the operation range is from -20℃ to 26℃, which adapts to many extreme conditions.
*In cooling mode, the operation is under interval operation when the temperature is below -5℃.

All the heat exchangers adopt Hi-Black fin, which has excellent anti-corrosive performance. Hi-Black fins are coated with epoxy resin using film-forming techniques while the traditional resins are acrylic resins. The epoxy resin is 1.5 times thicker than acrylic resin, and its acid-resistant, alkali-resistant and salt-fog resistant properties is 3 times better than acrylic resin.