Gree GMV5

GREE Photovoltaic Direct-driven Inverter Multi VRF Units
93
DIP
Switch
Name Meaning Factory Settings Remark
SA1_ca
pacity
Capacity DIP
switch
Defines the rated
capacity of the unit.
Defined based on
the model.
The factory settings cannot be changed.
SA2_A
ddr-CC
Centralized
control address
DIP switch
Defines and differentiates
addresses of different
systems in the case of
centralized control by
multiple systems.
00000
The address DIP switch is used only when
centralized control is required. Otherwise,
the factory settings are used without being
changed. The address DIP switch is valid
only when it is set on the master unit.
SA3_C
OMP-E
2#-6#
compressor
emergency
operation DIP
switch
Provides aftersales
emergency settings for
2#-6# compressors.
00000
It is better not to use the emergency
function. Replace the compressor at the
first time when an exception occurs.
SA4_I/
M-E
1#
compressor/mo
dule emergency
operation DIP
switch
Provides aftersales
emergency settings for 1#
compressor/module.
00
It is better not to use the emergency
function. Replace the compressor at the
first time when an exception occurs.
SA5_F
AN-E
Fan emergency
operation DIP
switch
Provides aftersales
emergency settings for
fans.
00
It is better not to use the emergency
function. Replace relevant parts of the fan at
the first time when an exception occurs.
SA6_E
SP_S
Outdoor
fan static
pressure setting
DIP switch
Sets the static pressure of
the fan according to the
static pressure of the
exhaust pipeline
connected with the
engineering unit, to
guarantee normal
operation of the unit.
00
This DIP switch should be set based on
actual engineering conditions, neither
over-large nor over-small. It is
unnecessary to change the factory
settings in outdoor scenarios.
SA7
Reserved DIP
switch
—— 00 ——
SA8_M
ASTER
-S
Master unit
setting DIP
switch
Defines the master unit. 00
A master unit must be set, and only one
master unit can be set in each
refrigerating system. This DIP switch is
mandatory. The default factory setting is
the master unit status.

On the master module, the SA8 DIP switch must be set again, the SA1 DIP switch cannot be
further set, and other DIP switches retain the factory settings without special requirements.
 Function DIP switches must be set when the ODU is powered off, and then the settings are valid
after the ODU is powered on.

If above DIP switch setting is incorrect, unit will work abnormally
and compressor may even be
damaged.