Gree HOME GMV [78/367] 1 2 1 2 3

Gree HOME GMV [78/367] 1 2 1 2 3
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL
74
膨胀阀ON
膨胀阀OFF
室内环境温度 +1-1
室内设定温度
Fan Control
When the indoor unit has capacity requirement:
If the automatic fan speed is not set, the indoor fans will unceasingly run at the setting speed.
When the indoor fan is set at automatic speed, the fan will determine the fan speed according to the changes
of indoor ambient temperature, shown as the following figure:
+1 +2-1-2
室内设定温度
低风档
中风档
高风档
室内环境温度
制热自动风速
(通用)
-3
室内设定温度
低风档
中风档
高风档
室内环境温度
制热自动风速
(菱格风)
+1 +2-1-2-3
Automatic fan switching will be detected every 30 seconds.
If the indoor fan is closed at first, the fan will be forced to run at high fan for 8s after started-up, then changed to
setting speed.
Anti cold air operation
When the indoor unit has the capability requirement, the indoor fan will be forced into the off state, and run
according to the following conditions:
If the indoor unit evaporator temperature t
evaporator
has reached the valve value T
v-evaporator
, then the indoor fan will
run at the set fan speed after running 8 seconds at high speed; If the indoor unit evaporator temperature t
evaporator
has still not reached the valve value T
v-evaporator
after 1 min, the indoor fan will be forced to run at high speed for 3s
and then run at the setting speed; shown as the following table:
Anti-cold air valve value T
v-evaporator table(℃)
Model
Series of cassette
and duct types
Series of wall
mounted type
T
v-evaporator
35 39
Expansion valve ON
Expansion Valve OFF
Indoor Ambient Temperature
Indoor Setting Temperature
High
M
ed
i
u
m
Low
Indoor ambient temperature
Indoor setting temperature
Automatic heating fan speed
(Common)
High fan
M
ed
i
u
m f
a
n
Low fan
Indoor ambient temperature
Indoor setting temperature
Automatic heating fan speed
(Trendy)

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