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11/6/2018
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Overheat Switch
When measuring resistance always make sure the power supply to the unit is turned off and the component
being check is isolated from the P.C. board.
1. Measure resistance and/or voltage of the
Overheat Switch on P.C. board at Connector H
:
a. Connector ”H” on P.C. board pin #14 black wire & connector “D” pin 28 black = Less than 1 ohm
or 11 ~ 13 VDC