Gree GMV-224WM/B-X, Service Manual

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GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
89
A7 On
06 Blinking OC Blinking
A7 On
07 Blinking OC Blinking
A7 On
08 Blinking OC Blinking
A7 On
09 Blinking OC Blinking
A7 On
10 Blinking OC Blinking
A7 On
11 Blinking OC Blinking
A7 On
12 Blinking OC Blinking
Step 3: Press "SW7" to confirm selecting the mode. The master unit is displayed as follows:
LED1 LED2 LED3
Function
Code
Display
Mode
Silent
Mode
Code
Display
Mode
Current
Status
Display
Mode
A7 On
00 On OC On
A7 On
01 On OC On
A7 On
02 On OC On
A7 On
03 On OC On
A7 On
04 On OC On
A7 On
05 On OC On
A7 On
06 On OC On
A7 On
07 On OC On
A7 On
08 On OC On
A7 On
09 On OC On
A7 On
10 On OC On
A7 On
11 On OC On
A7 On
12 On OC On
On the master unit, press "SW6" to return to the upper level (press "SW6" in setting status to return to
the upper level; press "SW6" after settings are completed to restore the normal operating status of the
unit).
If no button operations are performed on the master unit for five minutes, the function setting
automatically quits and the unit restores the current status.
Th
e default factory setting is ―
00
‖, that is, no silent mode.

A6 Unit cooling/heating function settings
Step 1: Confirm entering the A6 unit cooling/heating function settings. The master unit is displayed as
follows:
LED1 LED2 LED3
Function
Code
Display
Mode
ODU
Function
Mode
Code
Display
Mode
ODU
Function
Mode
Code
Display
Mode
A6 On nC Blinking nC Blinking
Step 2: Select a corresponding cooling/heating function by pressing "SW1 (UP)" or "SW2 (DOWN)".
LED1 LED2 LED3
Function
Code
Display
Mode
ODU Function Mode
Code
Display
Mode
ODU Function Mode
Code
Display
Mode
A6 On nC
Blinking
nC
Blinking
A6 On nH
Blinking
nH
Blinking
A6 On nA
Blinking
nA
Blinking
A6 On nF
Blinking
nF
Blinking
Step 3: Press "SW7" to confirm selecting the mode. The master unit is displayed as follows: