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11/6/2018
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Freeze Protection Heater Circuit
Power must be turned on to the appliance for this section of troubleshooting.
1. Check for 120 VAC to
Freeze Protection Heater Circuit on the P.C. board at Connector C
:
a. Connector “C” black wire pin #2 & black wire pin #3