Gree HOME GMV [76/367] Control function of indoor unit

Gree HOME GMV [76/367] Control function of indoor unit
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL
72
2.2 Control Function of Indoor Unit
1) Cooling Operation
Cooling Capacity
Outdoor unit will determine the compressor capacity output according to the capacity requirements of indoor unit;
Indoor unit will determine the opening of indoor electronic expansion valve by the control of outdoor unit, and the
electronic expansion valve should be set once for every 40 seconds.
Temperature Control
Indoor unit will control the temperature by opening and closing of indoor electronic expansion valve (Shown as the
following figure):
When the indoor unit capacity requirement is 0, you should close the electronic expansion valve;
When the indoor unit of capacity requirement is not 0, you should open the electronic expansion valve
膨胀阀OFF
膨胀阀ON
室内设定温度
+1-1室内环境温度
Expansion valve ON
Expansion Valve OFF
Indoor Ambient Temperature
Indoor Setting Temperature

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