282
Optional Function
4.2.9 Output Compressor ON Signal (Control Function No.3)
This function is utilized to receive the compressor operation signal.
Auxiliary relay contacting (RYa) is closed during the compressor operation.
4.2.10 Output Defrosting Signal (Control Function No.4)
This function is utilized to receive the defrosting signal.
Auxiliary relay contacting (RYa) is closed during the defrosting.
• Setting Example
Alarm Signal at Output 2 (between 1 and 3 pins of CN16)
Wiring Diagram Example of Alarm Signal
1 3
CN16
RYa
RY
3P Connector Housing
CN16 Connector
Auxiliary Relay
Outdoor Unit
PCB
1 2 3
• Setting Example
Alarm Signal at Output 2 (between 1 and 3 pins of CN16)
Wiring Diagram Example of Alarm Signal
1 3
CN16
RYa
RY
3P Connector Housing
CN16 Connector
Auxiliary Relay
Outdoor Unit
PCB
1 2 3
Table 4.2 Specications of Required Main Part
Parts Specication
Auxiliary Relay * High-Power Relay, LY2F DC12V made by OMRON
* Do not use the relay with diode built-in.
* Refer to the table 4.1 for the connector parts.
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