Control Board Section "C - A.O. Smith PHPT-60 Service Handbook

Figure 8
CN 204 Upper and Lower tank water temperature sensors:
• Pin 1 - Upper water temperature sensor on tank.
• Pin 2 - Upper water temperature sensor on tank.
• Pin 3 - Lower water temperature sensor on tank.
• Pin 4 - Lower water temperature sensor on tank.
CN 212 Temperature Sensors:
• Pin 1 - Ambient temperature sensor.
• Pin 2 - Ambient temperature sensor.
• Pin 3 - Discharge temperature sensor.
• Pin 4 - Discharge temperature sensor.
• Pin 5 - Coil temperature sensor.
• Pin 6 - Coil temperature sensor.
Section "C" of Control Board
Section "C"
Dip Switch
CN 208
CN 211/215
CN 212
CN 204
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