Rinnai REU-N2024FF-US, Installation And Operation Manual

Page: 63 / 76

Rinnai Tankless Water Heater Installation and Operation Manual 63
INSPECTION
•
To maintain optimum performance,
periodically inspect the air filter.
•
If the air filter appears to have lint and/or dust
build up, follow the cleaning procedure
described below.
•
If the air filter appears damaged, contact a
trained and qualified professional for a
replacement air filter assembly.
CLEANING
1. Power OFF the water heater
•
Push the “ On/Off ” button located on the
right - hand side of the controller.
•
The display will go blank when the power is off.
2. Remove the front panel.
•
Remove the four screws securing the front
panel.
•
Remove the front panel and locate the filter at
the upper right
- hand corner of the water
heater.
•
Remove the air filter by pulling out the “ FILTER
Pull to Clean ” tab.
5.2 Cleaning and Inspecting the Air Filter
(Indoor Units Only)
3. Clean the Air Filter
•
With mild dish soap and a soft bristle brush,
scrub the filter area of the air filter door.
•
With clean water, rinse the soap off the filter.
4. Dry the Air Filter
•
With a lint free towel, dry the air filter.
5. Inspect and Replace the Air Filter
•
Inspect the air filter for any debris that may
restrict air flow to the water heater.
•
If the filter still appears dirty repeat the cleaning
steps.
•
Replace the air filter.
6. Power ON the water heater.
NOTE:
Do not operate this water heater if the
air filter is not in place.