R22/R417/R410 refrigerant air to water heat pump with high-efficiency shell tube heat exchanger
Feature:

1. Operation range: -7°C~46°C ambient temperature. Running without being effected by weather, even stormy

rain or stormy snow.

2. Power supply: 220V/1ph/50(60)HZ or 380V/3ph/50(60)HZ;

3. The tube in shell or tube in tube heat exchanger are availble;

4. The well-known brand throtting device- Danfoss expansion valve are included, it can control the refrigerant flow  accurately.

5. Adjustable defrosting according to different weather conditions (with 4-way valve inside).

6. Water flow switch is optional.

7. Special design for the fan shroud, with accurate and equal distance between the fan blades and the fan shroud, low vibration, and low noise when running.

8. Compact design and accurate workmanship for fixing the case with bolts and nuts, no damage to the case coating, avoiding corrosion and rust to the case.

9.Multiple protections to protect the compressor and the heat exchanger, like anti-freezing protection, water flow protection, over high pressure protection, over low pressure protection insufficient water flow protection etc;

10.General testing and operational test carried out for every unit to ensure the superior quality and feature before well package at factory.

11. Modular and diversifying design: we can add on more units or design heat pumps according to customer's requirements.