Rinnai RUC80i Training Program page 27

Heat Exchanger Assembly Removal
1. Remove 4 screws securing the concentric vent adapter to
the top of the cabinet
Pull up to remove the adapter.
2. Remove six screws securing the upper part of the heat
exchanger assembly to the cabinet. Two screws secure metal
support brackets and 4 screws secure the (black) exhaust
duct.
3. Remove 4 screws securing the lower part of the heat
exchanger assembly to the cabinet. All 4 screws are in the
lower metal support bracket underneath the secondary heat
exchanger.
4. Carefully lift the heat exchanger assembly from the cabinet.
© 2016 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
(only three screws are visible in this illustration).
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Enhancing Lives By Changing The Way Water Is Heated
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