Gree GMV-100WL/A-T, Service Manual

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GREE DC Inverter Multi VRF System II Service Manual
76
No. Debugging project Parameters name Unit Reference value
for the system is -15~8 ć .
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 35
ć
, 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 ~7 ć 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
~20
ć
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 ——