3. External input and output for indoor unit
Connector Input Output Remarks
CN114 Control input —
See external input/output
settings for details.
CN115 — Operation status output
CN14 — Fresh air control output
CN15 — Auxiliary heater output
3-1. Preparation
Before connecting the external input, preparation is necessary using the signal wire in the figure be-
low.
→hen the external input/output is used, connect the external signal wire as shown in the figure.
Power PCB
Control PCB
CN106
Black
CN5
Black
3-1. Preparation - (05-10) - 3. External input and output for indoor unit
FIELD
WORKING
FIELD
WORKING
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