Gree GMV-450WM/B-X Service Manual

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
80
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:
SA2
Address
No.
DIP1
DIP2
DIP3
DIP4
DIP5
1
0
0
0
0
2
0
1
0
0
0
3
0
0
1
0
0
4
0
0
0
1
0
5
0
0
0
0
1
6
1
0
0
0
1
7
0
1
0
0
1
8
0
0
1
0
1
9
0
0
0
1
1
10
1
0
0
1
1
11
0
1
0
1
1
12
0
0
1
1
1
13
1
0
1
1
1
14
0
1
1
1
1
15
1
1
1
1
1
16
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
DIP Switch (SA3_COMP-E)
Remark
DIP1
DIP2
DIP3
DIP4
DIP5
0
0
0
0
0
Not shielding the operation of
2#-6# compressors
1
0
0
0
0
Shielding the operation of 2#
compressor
0
1
0
0
0
Shielding the operation of 3#
compressor
0
0
1
0
0
Shielding the operation of 4#
compressor
0
0
0
1
0
Shielding the operation of 5#
compressor
0
0
0
0
1
Shielding the operation of 6#
compressor

Gree GMV-450WM/B-X Specifications

General

Brand	Gree
Model	GMV-450WM/B-X
Category	Air Conditioner
Language	English