Desa CGMFP - Manual (Page 24)

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Figure 38 - Correct Burner Flame Pattern
Figure 39 - Incorrect Burner Flame Pattern
If burner flame pattern is incorrect, as shown in
Figure 39
• turn fireplace off (see To Turn Off Gas to Appli-
ance, page 20 for Manual-Controlled Models
or page 21 for Remote-Ready Models)
• see Troubleshooting, page 31
iNspECTiNG BURNERs
Continued
ClEaNiNG aND
MaiNTENaNCE
WARNING: Turn off fireplace
and let cool before cleaning.
CAUTION: You must keep con-
trol areas, burner and circulating
air passageways of fireplace clean.
Inspect these areas of fireplace
before each use. Have fireplace
inspected yearly by a qualified
service person. Fireplace may
need more frequent cleaning due
to excessive lint from carpeting,
pet hair, bedding material, etc.
WARNING: Failure to keep
the primary air opening(s) of
the burner(s) clean may result in
sooting and property damage.
BURNER INjECTOR HOLDER AND
PILOT AIR INLET HOLE
The primary air inlet holes allow the proper amount
of air to mix with the gas. This provides a clean
burning flame. Keep these holes clear of dust, dirt,
lint and pet hair. Clean these air inlet holes prior to
each heating season. Blocked air holes will create
soot. We recommend that you clean the unit every
three months during operation, or as needed, and
have fireplace inspected yearly by a qualified
service person.
We also recommend that you keep the burner
tube and pilot assembly clean and free of dust and
dirt. To clean these parts we recommend using
compressed air no greater than 30 PSI. Your local
computer store, hardware store or home center may
carry compressed air in a can. If using compressed
air in a can, please follow the directions on the can.
If you don’t follow directions on the can, you could
damage the pilot assembly.
1. Shut off the unit, including the pilot. Allow
the unit to cool for at least thirty minutes.
2. Inspect burner, pilot and primary air inlet
holes on injector holder for dust and dirt (see
Figure 40).
3. Blow air through the ports/slots and holes in
the burner.
4. Check the injector holder located at the end
of the burner tube again. Remove any large
particles of dust, dirt, lint or pet hair with a
soft cloth or vacuum cleaner nozzle.
5. Blow air into the primary air holes on the
injector holder.
6. In case any large clumps of dust have now been
pushed into the burner repeat steps 3 and 4.
Clean the pilot assembly also. Additional cleaning
may be needed for proper pilot operation based on
use/lack of use. A yellow tip on the pilot flame may
indicate dust and dirt in the pilot assembly. There
is a small pilot air inlet hole about 2" from where
the pilot flame comes out of the pilot assembly (see
Figures 41 or 42, page 25, depending on model).
With the unit off, lightly blow air through the air
inlet hole. You may blow through a drinking straw
if compressed air is not available.
Figure 40 - Injector Holder On Outlet
Burner Tube
Burner
Tube
Injector
Holder
Primary Air
Inlet Holes
Ports/Slots