Gree GMV5 Series Service Manual page 83

non-master unit is invalid, and it is unnecessary to change the settings.
3) The centralized control address DIP switch (SA2_Addr-CC) on the master unit of a refrigerating
system must be set to ―00000‖, and this system is the master system.
4) The centralized control address DIP switch (SA2_Addr-CC) on the master unit of other refrigerating
systems must be set as follows:
5) The centralized control address DIP switch (SA2_Addr-CC) cannot be the same between different
refrigerating systems. Otherwise, address conflicts may occur and the unit cannot run properly.
3. Compressor Emergency Operation DIP Switch (SA3_COMP-E)
Corresponding to 2#-6# compressors, the compressor emergency operation DIP switch (SA3_COMP-E)
is used for aftersales emergency settings when an exception occurs on a compressor. It can shield the
operation of the abnormal compressor in a short time and guarantee the emergency operation of other
compressors.
When it is required to shield the operation of 2#-6# compressors upon failure, set the DIP switch
according to the following methods:
Compressor Emergency Operation
DIP1
0
1
0
0
0
0
GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
DIP1 DIP2 DIP3 DIP4 DIP5
1 0
0 1
0 0
0 0
0 0
1 0
0 1
0 0
0 0
1 0
0 1
0 0
1 0
0 1
1 1
DIP Switch (SA3_COMP-E)
DIP2 DIP3 DIP4 DIP5
0 0
0 0
1 0
0 1
0 0
0 0
SA2
0 0 0
0 0 0
1 0 0
0 1 0
0 0 1
0 0 1
0 0 1
1 0 1
0 1 1
0 1 1
0 1 1
1 1 1
1 1 1
1 1 1
1 1 1
Not shielding the operation of
0 0 2#-6# compressors
Shielding the operation of 2#
0 0
Shielding the operation of 3#
0 0
Shielding the operation of 4#
0 0
Shielding the operation of 5#
1 0
Shielding the operation of 6#
0 1
80
Address
No.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Remark
compressor
compressor
compressor
compressor
compressor