Rinnai RCE-592ACPA, Owner'S Operation Manual And Installation Manual, Page: 21 / 32

Clean air filter at least once a week. Do not wait for filter warning
lamp to come on before cleaning filter. Do not use the heater with
the filter warning lamp on, this may cause it to overheat. A dusty
filter reduces the air fIow through the heater, as well as, reducing
the heater's effectiveness. Clean filter with air pressure or vacuum
cleaner.
Heater must be cleaned annually.
Keep heater clear of dust and debris especially in and around the
OXYGEN DEPLETION SENSING burner.
Cleaning procedures of heater are as follows;
1) Turn heater off.
Unplug electric cord and allow to cool for one hour.
2) Remove the front panel by removing the (2) louver screws,
(2) side panel screws located inside the handles on the
left and right sides of the heater.
3) Use pressurized air to remove dust from around
burner and electrical components.
Apply air pressure with nozzle to (13) holes on
combustion chamber cover.
(See page 24 of schematics,part#RC-E5801-17-2,
key#118)
4) All outside parts of the heater can be cleaned using
soap and water on a soft damp cloth.
DO NOT DAMAGE OR DlSTORT ANY PARTS OF HEATER.
DO NOT USE WET CLOTH OR SPRAY CLEANERS ON BURNER.
UNIT SHOULD BE CHECKED AND CLEANED ANNUALLY BY A PROFESSIONAL.
TROUBLE SHOOTING
STEP 1:
1) Be sure the heater is properly installed. See Section 2. INSTALLATION.
2) Make sure gas valve on L.P. Gas bottle or gas supply line is ON and gas pressure is available.
3) Make a careful visual inspection of all electrical connections and wiring.
STEP 2:
If the trouble persists after checking step 1, please check the cause of trouble in the following trouble
shooting chart and correct it by following the procedures shown.
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APPLY AIR
PRESSURE HERE
FILTER