Gree GMV-ND07PLS/A-T(U) Service Manual page 90

GREE
Query Code
C11
C12
C13
C14
C15
C16
n2
n4
n6
A6
A7
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 "
five 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
(3) parameters that can be set.
(4) Press "
area. Press "
(5) Press "
(6) 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 Invalid
P10 Master IDU settings
Power-down memory mode
P15
settings
P17 Historical fault clearing
Query Content
Indoor unit quantity query in one-to-many control mode
Temperature query for outdoor environment temperature sensor
Opening degrees query of electronic expansion valve of IDU
Capacity configuration ratio upper-limit query of outdoor and IDUs
Highest capacity output limitation query
Historical fault query ingress of ODU
" to enter parameter settings. The current parameter value blinks in the timer
" to change the parameter value.
" to confirm query and return to step 2.
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
00: standby after power-down recovery
01: restoring the original status after power-down recovery
00: not cleared
01: cleared
Multi Variable Air Conditioners Indoor Unit
Query Sub-item
CAN2 bus line ID query
Inlet-tube temperature query of IDU
Outlet temperature query of IDU
Unit cooling/heating function
Outdoor silent mode
".
84
Level 2 Query Content
01 Fault 1
02 Fault 2
03 Fault 3
04 Fault 4
05 Fault 5
Setting Value
" for