Parameter Settings - Gree GMV-ND07PLS/A-T(U) Service Manual

C11 Indoor unit quantity query in one-to-many control mode
C12 Temperature query for outdoor environment temperature sensor
C13 CAN2 bus line ID query
C14 Inlet-tube temperature query of IDU
C15 Outlet temperature query of IDU
C16 Opening degrees query of electronic expansion valve of IDU
n2 Capacity configuration ratio upper-limit query of outdoor and IDUs
n4 Highest capacity output limitation query
n6 Historical fault query ingress of ODU
A6 Unit cooling/heating function
A7 Outdoor silent mode

4.4.3 Parameter Settings

For parameter settings, users can set user parameters and engineering parameters of the unit. The
parameter setting method is as follows:
(1) After entering parameter query, switch the query code to "C00". Press and hold "
seconds to enter the parameter setting status. The setting text is displayed and "P00" blinks in the
temperature area.
(2) Press " " to switch the setting code and select a unit parameter to be set (see Table 2.6 for
parameters that can be set).
(3) Press "
TEMP
area. Press " " to change the parameter value.
(4) Press "
TEMP
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 "
Setting
Setting Content
Code
P00
P10 Master IDU settings
Power-down memory mode
P15
P17 Historical fault clearing
Indoor environment temperature
P20
Multi Variable Air Conditioners Indoor Unit for North America
" to enter parameter settings. The current parameter value blinks in the timer
" to confirm query and return to step 2.
CLOCK
Table 2.6 Setting Parameters
Invalid
00: not changing the current settings
01: setting the corresponding IDU to master IDU
001-255: setting the IDU corresponding to *** to master IDU
00: standby after power-down recovery
settings 01: restoring the original status after power-down recovery
00: not cleared
01: cleared
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
value
04:
dehumidifying, and air supply; temperature sensor of air return vent
for heating and automatic mode
04
01
02
03
04
05
".
Setting Value
temperature sensor of
65
Module 4
Fault 1
Fault 2
Fault 3
Fault 4
Fault 5
" for five
CLOCK
wired controller for cooling,