Reliant FVIR GAS WATER HEATER Technical Information Seite 19

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19
CHECKING FOR SUFFICIENT COMBUSTION AIR OR VENTING ISSUES
Flue Products Vented
to Ouside of Building
Draft Hood
Dilution Air
Air is drawn in for combustion.
Keep area clean and free from
combustibles and flammable vapors.
Dilution Air
(Relief Opening)
Dilution Air
Match
Outer Door
Draft Test
After successfully lighting the water heater, allow the
unit to operate for 15 minutes and check the draft
hood relief opening for proper draft. Make sure all
other appliances in the area are operating and all
doors/windows are closed when performing the draft
test. Pass a match flame or smoke around the relief
opening of the draft hood. A steady flame or smoke
drawn into the opening indicates proper draft.
If the flame flutters or is blown out, combustion
products are escaping from the relief opening. If this
occurs, do not operate the water heater until proper
adjustments or repairs are made to the vent pipe
system and/or air supply requirements.
External Inspection & Cleaning of
the Base-Ring Filter
1. At least annually check the base-ring filter for any
dust or debris that may have accumulated on the
filter screen. NOTE: If the water heater is located
in an area that is subjected to lint and dirt, it may
be necessary to check the base-ring filter more
frequently.
2. Follow the Lighting Instructions to turn off the water
heater and allow it to cool for 10 minutes before
attempting to clean the base-ring filter.
3. Use a vacuum cleaner with a hose attachment
to remove any dust or debris that may have
accumulated on the filter. NOTE: If unable to
inspect or clean the base-ring filter, follow the
“Cleaning the Combustion Chamber and Flame-
arrestor” instructions below.
4. After the base-ring filter has been cleaned, follow
the Lighting Instructions to return the water heater to
service.
Cleaning the Combustion Chamber
and Flame-arrestor
1. Follow procedure outlined in “Removing the
Manifold/Burner Assembly” (See page 22).
2. Use a vacuum cleaner/shop vac to remove all
loose debris in the combustion chamber. Use
compressed air to clear any dust or debris that
may have accumulated in the flame-arrestor.
DOOR GASKET
FLAME ARRESTOR
COMBUSTION CHAMBER
BASE-RING
FILTER
Figure 19
3. Reassemble following the procedure under
“Replacing the Manifold/Burner Assembly” (See
page 21).
Figure 18
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