Gree GRS-CQ6.0Pd/Na-K Service Manual page 28

AIR-TO-WATER HEAT PUMP
Note:
① Before setting the forced operation，please turn off the unit；
② When the forced cooling/Heating operation is set，press ON/OFF button in the
③ control panel. The unit will start running.
④ Press ON/OFF button in the control panel. forced operation mode will be
finished.
⑤ After running 15 minutes under Forced Operation, the system will automatically
stop operating.
Function code 3 ：Celsius/Fahrenheit switching
Temperature is displayed in Celsius or Fahrenheit.
Function code 4 ：Thermostat control
Code 4 is set as 1. The unit operation is controlled by the Thermostat;
Note: Thermostat control only for space cooling and space heating;
Function code 5 ：Quick sanitary heating
If code 5 is set as 1 and sanitary heating is ON, both the heat pump and electric
heater in water tank should be turned on;
With code 5 set as 0 and sanitary heating ON, if the water tank temperature is
below maximum water tank temperature, only the heat pump will operate. If the
water tank temperature is higher than maximum water tank temperature, the heat
pump will stop operating and electric heater in water tank will run.
Function code 6 ：Disinfection operation
Disinfection operation is special sanitary tank operation mode to kill and to prevent
growth of viruses inside the tank.
Function code 7 ：Holiday mode
If code 7 is set as 1, the system will automatically turn to space heating and other
mode will automatically be turned OFF. But at the same time if the unit running in
emergency mode，
The system will not turn to holiday mode；
In the holiday mode, the outflow water temperature or remote room air temperature
can not be set. In holiday mode, the icon
Function code 8 ： Setting priority when cooling demand and sanitary heating
demand are required at the same time
will flash.
CONTROL
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