GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
82
Once 48 hours are exceeded, the entire unit will be forcibly stopped and the limited operation code ―Ad‖
is displayed on the IDU.
I. 1#-6# compressors are defined from right to left facing the front of the unit.
5. Fan Emergency Operation DIP Switch (SA5_FAN-E)
The fan emergency operation DIP switch (SA5_FAN-E) is used for aftersales emergency settings when
an exception occurs on a dual-module fan. It can shield the operation of a fan in a short time and
guarantee the emergency operation of the system.
1) Fan positions
2) When it is required to set the fan to emergency mode, set the DIP switch as follows:
Fan Emergency Operation DIP Switch
(SA5_FAN-E)
DIP1 DIP2
Remark
0
0
No fan in emergency
operation mode
1
0
Shielding the operation of
1# fan
0
1
Shielding the operation of
2# fan
Precautions:
A. When the DIP switch setting is not covered in the above scope, a DIP switch setting exception fault
may occur.
B. Only one fan can be set to emergency mode on a module.
C. The default facto
ry setting is ―00‖.
D. The system cannot continually run for more than 120 hours in fan emergency operation status. Once
120 hours are exceeded, the entire unit will be forcibly stopped and the limited operation code ―Ad‖ is
displayed on the IDU.
6. Outdoor Fan Static Pressure Setting DIP Switch (SA6_ESP_S)
The outdoor fan static pressure setting DIP switch (SA6_ESP_S) is used in special scenarios such as
the unit installation equipment room. In scenarios where air ducts are required to be connected, zero
static pressure (0 Pa), low static pressure (30 Pa), medium static pressure (50 Pa), and high static
pressure (82 Pa) can be set according to the design of air ducts. The setting methods are as follows:
Outdoor Fan Static Pressure Setting DIP
Switch (SA6_ESP_S)
DIP1 DIP2
Static Pressure Range
0
0
0 Pa
1
0
30 Pa
0
1
50 Pa
1
1
82 Pa
The default factory setting is ―00‖.
Note that the DIP switch should be independently set on each module.
7. Reserved Function DIP Switch (SA7)
SA7 is the reserved function DIP switch and meaningless currently.
Summary of Contents for GMV-224WM/B-X
Page 1: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL T1 R410A 50 60Hz GC201508...
Page 27: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 24...
Page 29: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 26 V Construction Organization Process...
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Page 47: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 44 GMV 504WM B X GMV 560WM B X and GMV 615WM B X...
Page 156: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 153 low press ure air pipe...
Page 158: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 155 2 Low exhaust temperature protection E2...
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Page 161: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 158 5 System refrigerant lacking protection U4...
Page 162: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 159 6 System high pressure ratio protection J8...
Page 163: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 160 7 System low pressure ratio protection J9...
Page 165: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 162 11 Pressure sensor fault...
Page 224: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 221 2 Model GMV 335WM B X Exploded View...
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Page 248: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 245 Click Finish...
Page 254: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 251 Click Next Installing...
Page 255: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 252 Click Close...
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Page 287: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 284 1 4 2 5 Communication Debug...
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