207
2. Insulation should be installed on the water inlet/outlet to prevent condensate water or icing;
3. Water in heat exchanger should all be drained out during long shutdown in the winter to avoid icing;
4. The diameter of water pipe should be the same as the diameter of unit connection (1-1/4 inch) or larger.
5. Water ow switch should be installed on the heat exchanger water outlet pipe to operate cut-off protection.
6. When there are many units in the Water Cooled VRF, in order to guarantee an equalized water allocation among
each unit, reversed return system should be used in water supply and water return;
7. Install a gate valve for chemical cleaning in an easy position to handle.
8. Run the water pump to ush inside of water piping. Then, clean the strainer.
System water return pipe
System water supply pipe
To the drainage tank
Gate valve Drainage valve Thermometer
Pressure gauge Motorized valve
Flexible connection Y-shape lter
To Next Page
Loading...
