DC Inverter Multi VRF System
26
System
parameters
IDU
parameters
Indoor heat
exchanger’s inlet
temp
°C(°F)
According to ambient temp, for a same IDU
in cool mode, the inlet temp will be
1~7°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 10~20°C(50~68°F) lower than the
13
14
Opening degree of
indoor EXV
PLS
GMV-36WL/C-T(U)
GMV-48WL/C-T(U)
In cool mode, the
opening degree of
indoor EXV varies
within 70~480PLS.
In heat mode, the
opening degree of
indoor EXV varies
GMV-60WL/C-T(U)
In cool mode, the
opening angle of
indoor EXV varies
within 70~480PLS.
In heat mode, the
opening angle of
indoor EXV varies
15
Communication
parameters
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 from unit base.
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.