5 Optional functions
Indoor units input and output signals
SMGB0137 rev.0 - 05/2021
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5.1 Indoor units input and output signals
5.1.1 Available ports
The system has 9 optional input signals and six output signals. Both types of signal are programmed into the indoor unit
PCB: connector CN3 for input signals and connectors CN7 and CN8 for output signals.
Output connector CN7 has two ports and output connector CN8 has one port, which are used to configure three output
options of the eight available in the system.
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N O T E
The output signal connection is a mere example.
The system has the following input and output ports:
Indication
Port setting on the indoor unit PCB
Remarks
Outlet
Input 1
CN3 1-2
Contact
Input 2
CN3 2-3
Contact
Output 1
CN7 1-2
12 Vdc
Output 2
CN7 1-3
12 Vdc
Output 3
CN8 1-2
12 Vdc
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N O T E
Output 2 c
onfiguration not available for RPI-(16.0/20.0)FSN3PE(-f) units.
The system has the following input connections:
Indication
Connections
Input 1
Input 2
