GMV5 Home DC Inverter Multi VRF Units
223
Shielding the operation of 1#
compressor
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 compressor can be set as emergency mode on a module.
C. The compressor emergency operation mode is valid only in a single-module
multi-compressor system;
D. The default factory setting is ―00‖;
E. The system cannot continually run for more than 24 hours in compressor emergency
operation status. Once 24 hours are exceeded, the entire unit will be forcibly stopped
and the limited operation code ―Ad‖ is displayed on the IDU.
F. 1#-6# compressors are defined from right to left facing the front of the unit.
4) Fan Emergency Operation DIP Switch (SA5_FAN-E)
The fan emergency operation DIP switch (SA5_FAN) 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.
Fan Positions
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)
No fan in emergency
operation mode
Shielding the operation of 1#
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