GMV5 Home DC Inverter Multi VRF Units
206
Make sure the compressor has been preheated for more than 8 hours.
⑵ When unit commissioning is started, the system automatically selected an operation mdoe
according to the environment temperature.
a. When outdoor temperature is higher than 20℃, commissioning should be in cooling mode
and water heating mode.
b. When outdoor temperature is lower than 20℃, commissioning should be in heating mode
and water heating mode.
Note: If system is not connected with water tank or the water heating function of hydro box is
wrongly set, unit will not run in water heating mode.
⑶、Before starting commissioning, make sure again that stop valves of all basic modules of
the outdoor unit have been completely opened.
⑷、 During commissioning, the front panel of outdoor unit must be completely covered.
Otherwise, commissioning accuracy may be affected (as shown in the following figure).
⑸、 Before commissioning, make sure that additional refrigerant to pipes has been finished
completely or for more than 70%.
⑹、 The following table describes progress display of each phase during commissioning:
Progress Description for Commissioning Phases
System is in non-commissioning