DC Inverter Multi VRF System
21
7
Compressor’s
Hz Changes in 10Hz~80Hz.
8
Compressor’s
A
When compressor works normally, the current is no
9
Compressor’s IPM
temp
°C
When ambient temp is below 35°C(95°F), IPM temp
is lower than 80°C(176°F) and the highest temp
won’t be above 95°C(203°F).
10
Fan motor’s operating
Hz Changes in 0~49Hz according to system’s pressure.
IDU
parameters
12
Indoor heat
°C(°F)
According to ambient temp, for a same IDU in
cool mode, the inlet temp will be 1°C~7°C
(34~45°F) lower than the outlet temp, and
4~9°C(39~48°F) higher than the low pressure
value.
For a same IDU in heat mode, the inlet temp will
be 10°C~20°C(50~68°F) lower than the outlet
13
Indoor heat
exchanger’s inlet temp
°C(°F)
14
Opening angle of
indoor EXV
PLS
In cool mode, the opening angle of indoor EXV
varies within 70~480PLS.
In heat mode, the opening angle of indoor EXV
15
Communication
Communication data —
Number of IDUs detected by software is the same
with the actual number. No communication error.
16 Drainage system —— —
Indoor unit can drain water out completely and
smoothly. Condensate pipe has no backward slope
of water; Water of outdoor unit can be drained
completely through drainage pipe. No water drop
17 Others —— —
Compressor and indoor/outdoor fan motor do not
have strange noise. Unit can operate normally.
6 Common Malfunctions and Troubleshooting
(1) If there is abnormal condition (e.g. unpleasant smell), turn unit off and disconnect power immediately. Then
contact Gree authorized service center. If unit continues operation despite the abnormal condition, it may get
damaged and lead to electric shock or fire hazard.
(2) Do not repair the air conditioner by yourself. Improper maintenance may lead electric shock or fire hazard.
Please contact Gree authorized service center for maintenance.
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