Operation Flowchart Of Indoor Air Conditioner - Gree GMV-S120WL/A-S Service Manual

1.2 Operation Flowchart

1.2.1 Operation Flowchart of Indoor Air Conditioner

Initialization of electric expansion valve
Cooling and
Coolin
water heating
g
Cooling and water
Cooling Run
heating Run
GMV5 Home DC Inverter Multi VRF Units
Power on
LED is on
Run/Stop
Run
Whether protection
device is started
No
Whether the LED
blinks
No
LED: On
Input air: display
Air Direction: display
Temp: display
Air supply or temp
adjustment
Adjustment
Cooling/heating/cooling
and water heating/ heating
and water heating/water
heating
Heating
Heating Run
A
stop
LED Off
Error code is
Yes
displayed and LED
blinks
Yes Press Run/Stop
button
LED: Off
Error display: clear
Air supply
Air supply
Heating and
water heating
Heating and
water heating
Run
50
device Forced
draught blower:
Stop
Electric expansion
valve Stop
Guide louver: Stop
Water heating
Water heating
Run