Gree GMV-280WM/E1-X

GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
121
SN
Commissioning Item
Parameter
Name
Unit
Reference Value
temperature of
indoor heat
exchanger
inlet-tube temperature is 1-7°C lower than the
outlet-tube temperature of the same IDU in cooling
mode.
●The inlet-tube temperature is 10-20°C lower than
the outlet-tube temperature of the same IDU in
heating mode.
14
Outlet-tube
temperature of
indoor heat
exchanger
°C
15
Opening degree
of indoor
electronic
expansion
valves
PLS
The opening degree automatically changes between
0 and 2000 PLS or between 0 and 480 PLS.
16
Communication
parameter
Communication data
—
●The commissioning software shows that the
number of IDUs/ODUs is consistent with the actual
engineering quantity, without communication failure.
17
Drainage
system
——
—
●The drainage effect of IDU is smooth and thorough,
and no adverse-slope water storage exists in
condensing drainage pipes. The ODU can
implement drainage completely from the drainage
pipe, without drops from the unit foundation.
18
Other
——
●No exceptional sound occurs on compressors and
indoor/outdoor fans. No fault occurs on the unit
operation.