GREE GMV5 INDOOR UNIT SERVICE MANUAL
83
Press “ ” to change the parameter value.
(4) Press “
” to confirm query and return to step 2.
After entering engineering commissioning, the system automatically quits the engineering
commissioning status if no valid operations are performed within 20 seconds. To directly quit the
engineering commissioning status, press “
”.
Table 2.6 Setting Parameters
00: not changing the current settings
01: setting the corresponding IDU to master IDU
001-255: setting the IDU corresponding to *** to master IDU
Power-down memory mode
settings
00: standby after power-down recovery
01: restoring the original status after power-down recovery
Historical fault clearing
00: not cleared
01: cleared
Indoor environment
temperature value
01: temperature sensor of air return vent
02: temperature sensor of wired controller
03: temperature sensor of air return vent for cooling, dehumidifying,
and air supply; temperature sensor of wired controller for heating
04: temperature sensor of wired controller for cooling,
dehumidifying, and air supply; temperature sensor of air return vent
for heating and automatic mode
Corrected value settings of
environment temperature
sensor of IDU (for cooling,
dehumidifying, and air
supply)
Corrected value settings of
environment temperature
sensor of IDU (for heating)
Static pressure settings for
indoor fan
Type 1: 03.04.05.06.07
Type 2: 01.02.03.04.05.06.07.08.09
High-ceiling installation
settings
00: standard-ceiling installation height
01: high-ceiling installation height
Capacity adjustment function
of IDU
Repeating validity for time-
point timing
Factory setting recovery for
user functions
00: invalid
01: factory setting recovery
Factory setting recovery for
engineering settings
00: invalid
01: factory setting recovery
Prevention for heat collection
00: disabled
10: 10 seconds
20: 20 seconds
30: 30 seconds
40: 40 seconds
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