GREE DC Inverter Multi VRF System II Service Manual
79
Content
Content
Content
outdoor unit and wired
controller of indoor unit
C2
Driven communication
malfunction between
main board and inverter
compressor
Driven communication
malfunction between main
board and inverter
C4
Malfunction
unit-lacking
C5
Alarming due to
engineering series
number shock of indoor
unit
Alarming due to wrong
quanity of outdoor unit
C8
compressor
C9
CH
High rated capacity CC
No malfunction of main
control unit
CA
Energycy status of
module
CF
Malfunction of main control
unit
CL
Low rated capacity
CU
Communication malfunction
between indoor unit
Cb
Distribution overflow of Ip
address
A0
Debugging for unit
A1
Operational parameter
inquiry of compressor
A2
Refrigerant recovery
A6
Heat pump function
setting
A7
Quit mode setting A8
A9
IPLV test AU
Long-distance emergency
stop
Ab
Emergency stop
AA
EU AA class energy
efficiency test mode
AH
Heating AL
Charge refrigerant
automatically
AE
Charge refrigerant by
hand
AF
Fan blow
Cleaning alarm for filter
AP
Startup debugging
confirmation of unit
Ad
Limit opereation n0
SE setting for the
operation
n1
setting
n2
Upper limit setting for the
collocation matching ratio
for indoor unit and outdoor
unit
n4
Limit setting for the
maximum ouput capacity
n6
Engineering series
number inqury for indoor
unit
n7
Malfunction inquiry n8
Parameters inquiry
nF
Fan model nE
Negative code Ed
Low temperature
protection for drive module
2.3 Function Setting of Outdoor Unit
GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T
GMV-121WL/C-T GMV-120WL/C-T GMV-140WL/C-T GMV-160WL/C-T GMV-120WL/C-X
GMV-140WL/C-X GMV-160WL/C-X
GMV-H224WL/A-X GMV-H280WL/A-X GMV-H335WL/A-X GMV-H224WL/A-X
GMV-H280WL/A-X GMV-H335WL/A-X
GMV-224WL/C-X GMV-280WL/C-X GMV-335WL/C-X
When debugging is finished, press SW3 on the master unit and unit will be ready for function setting.
Default display of outdoor unit’s main board is as below:
Then press SW1 button(▲) and SW2 button(▼) on the master unit to switch function codes of LED1
to select relevant functions.
Function setting includes: outdoor silent mode setting (A7), heating and cooling function setting (A6),