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Installation Instruction
Installation of dual system
The installation of a GX-850M ver. IV with 2 roof systems or 2 ground systems has been selected.
It is mandatory that no sensors or only sensors for System A are connected to the the GX-850M ver. IV
before power up. Sensors for System B must be connected to the GX-850M ver. IV during the installa-
tion steps. Connection of the sensors during installation can either be done using a switch on the DIN-
rail or just connect sensor bus of System B to the already connected sensor bus of System A.
The first installed system (System A) is using the output System A.
The second installed system (System B) is using the output System B.
If sensors for System A are not connected - do it now!
Press
or wait...
System is being scanned to find type of connected sensors...
Select system type
Wait until correct number of sensors for System A is found.
Press
when all sensors for System A are found...
System A is installed...
Connect sensors for System B.
Press
or wait...
System is being scanned to find type of connected sensors...
Select system type
VUAPA422
GX-850M ver. IV
Connect sensors:
System A
System A
Scanning...
System type:
Ground
1 Ground sensor
found. Accept?
System A!
Installed
Connect sensors:
System B
System B
Scanning...
System type:
Ground
© Danfos 2018.10 | 21
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