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Service Manual
5-15
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
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Defrosting Stoppage at Output 2 (between 1 and 3 pins of CN16)
Wiring Diagram Example of Defrosting Signal
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Compressor ON Signal at Output 2 (between 1 and 3 pins of CN16)
Wiring Diagram Example of Compressor ON Signal
(4)
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.
(3)
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.
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Parts
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Auxiliary Relay *
High-Power Relay, LY2F DC12V made by OMRON
* Do not use the relay with diode built-in.
* Refer to Table 5.1 above for the connector parts.
1
3
CN16
RYa
RY
3P Connector Housing
CN16 Connector
Auxiliary Relay
Outdoor Unit
PCB
1 2 3
1
3
CN16
RYa
RY
3P Connector Housing
CN16 Connector
Auxiliary Relay
Outdoor Unit
PCB
1 2 3
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
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Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
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Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...