Mitsubishi Electric CAHV-P500YB-HPB Service Handbook page 64

[ V Electrical Wiring Diagram ]
HWE15070
ANTI FREEZE ON/OFF
UNIT OPERATION RUN/STOP
External Water Temperature Sensor (optional) TH15
External Water Temperature Sensor (optional) TH14
M-NET
REMOTE CONTROLLER
PUMP INTERLOCK Normal/Error
FAN MODE FORCED/NORMAL
230 V VOLTAGE
PUMP OPERATION COMMAND
OPERATION INDICATOR
ERROR INDICATOR
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