Combustion Fan - Rinnai Sensei N-Series Service Presentation

Combustion Fan

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. Voltage readings will occur when fan motor is energized.
1. Measure voltage of the Fan Motor on P.C board at Connector D:
a. Connector "D" red wire pin #4 & black wire pin #6 =7 ~ 48 VDC at red arrows.
b. Connector "D" white wire pin #10 & black wire pin #6 = 10 ~ 12 VDC at black arrows.
c. Connector "D" yellow wire pin #8 & black wire pin #6 = 11 ~ 13 VDC at brown arrows.
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Pin #2 is the common wire for all three test points
58 11/6/2018