6.1 Indoor units
6.1.1 Available ports
The system has eight 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.
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
Inlet
i1
CN3 1-2 Contact
i2
CN3 2-3 Contact
Outlet
o1
CN7 1-2 12 Vdc
o2
CN7 1-3 12 Vdc
o3
CN8 1-2 12 Vdc
The system has the following input connections:
Indication
Connections
i1
i2
6 Optional functions
182
SMGB0063 rev. 1 - 10/2010
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