Gree GMV-280WL/C-X - Page 80

GREE DC Inverter Multi VRF System II Service Manual
76
No.
Debugging project
Parameters name
Unit
Reference value
for the system is -15~8ć.
6
Opening angle of
electrocnic
expansion valve
for heating
PLS
●During cooling operation, the electronica expansion valve
for heating will always be kept at 480PLS;
●During heating operation, the ope
ning angle for the
adjusted electronic expansion valve is 55~480PLS.
7
Operation
frequency for
compressor
HZ
Change among 10HZ~
95HZ
8
Operation current
of compressor
A
Current should be no more than 25.0A during normal
operation for compressor
9
IPM module
temperature for
compressor
ć
When ambient temperature is lower than 35ć, temperature
for IPM module is lower than 80
ć. The maximum
temperature won’t exceed 95
ć
.
10
Operation
frequenc for fan
HZ
It will adjust the frequency among 0~49HZ for operation
according to the system pressure
11
Parameters
of indoor
unit
Ambient
temperature for
indoor unit
ć
——
12
Entry tube
temperature for
indoor heat
exchanger
ć
●According to the difference of ambient temperature, the
entry tube temperature is 1
ć~7ć
lower than the exit tube
temperature for the same indoor unit under cooling mode;
4~9
ć higher than low pressure.
●Under heating mode, entry temperature is 10
ć~20ć
lower than exit tube temperature for the sae indoor unit.
13
Entry tube
temperature for
indoor heat
exchange
ć
14
Opening
angle of
indoor electrocnic
expansion valve
PLS
Under cooling mode, the opening angle for indoor electronic
expansion valve is adjusted among 70~480PLS.
Under heating mode, the opening angle for indoor unit is
adjusted among 40~480PLS.
15
Communication
paraters
Communication
data
—
Through debugging software, it detected that the quantity of
indoor unit is same with the enginerring actural quantity.
There’s no communication malfunction.
16
Drainage syste ——
—
Water can be drained smoothly for indoor unit; Outdoor unit
can drain water fromo drainage pipe completely.
17
Other
——