Gree GMV-ND07PLS/A-T(U) Service Manual page 71

GREE
In parameter query status, signals of the remote controller are invalid.
4.1.5 User Parameter Settings
User parameters can be set in power-on or power-off status.
(1) Press and hold the "FUNCTION" button for five seconds. The temperature area displays "C00".
Press and hold the "FUNCTION" button for another five seconds to enter the wired controller
parameter setting interface. The temperature area displays "P00".
(2) Select a parameter code by pressing "
parameter value settings. The parameter value blinks. Adjust the parameter value by pressing
" " or " " and then press the "ENTER/CANCEL" button to complete settings.
(3) Press the "ENTER/CANCEL" button to return to the upper-level menu till quitting parameter
settings.
The user parameter setting list is as follows:
Parameter Parameter
Code Name
Master IDU
P10
settings
Infrared
connection
P11
settings of
wired controller
Wired controller
P13 address
settings
One wired
controller
controls
P14
multiple IDUs
quantity
settings
Table 4.2 User Parameter Setting List
Parameter Range
00: does not change the
master/slave status of the
current IDU
01: sets the current IDU
to master IDU
00: disabled
01: enabled
01: master wired
controller
02: slave wired controller
00: disabled
01-16: number of indoor
units
65
Multi Variable Air Conditioners Indoor Unit
" or " ". Press the "MODE" button to switch to
Default
Value
After the IDU connected with the current
00 wired controller is successfully set to master
IDU, "MASTER" on the wired controller is on.
This setting can only be enabled through the
master wired controller.
When the infrared remote receiving function
01 of the wired controller is disabled, neither the
master nor slave wired controller can receive
remote signals. The wired controllers can
only be operated by pressing.
When two wired controllers simultaneously
control one or more IDUs, the two wired
controllers should use different addresses.
01
The slave wired controller (address: 02) does
not have the unit parameter setting function
except its own address settings.
This value is set based on the number of
connected IDUs.
01 If the current value is inconsistent with the
actual number of group-controlled IDUs, an
"L9" fault may occur.
Remark