Inspecting Burners; Cleaning And Maintenance - Desa V42V-A Owner's Operation And Installation Manual

Direct-vent fireplace
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INSPEcTING BURNERS

Check pilot flame pattern and burner flame patterns often.
PILOT ASSEMbLY
The pilot assembly is factory preset for the proper flame height.
Alterations may have occurred during shipping and handling. Call
a qualified service person to readjust the pilot if necessary.
The height of the thermopile must be 3/8" to 1/2" above the pilot
flame as shown in Figure 55. The thermocouple must be at a height
of about 1/8" above the pilot flame. The flame from the pilot burner
must extend beyond both the thermocouple and thermopile.
If you pilot assembly does not meet these requirements:
• turn fireplace off (see To Turn Off Gas to Appliance, page 22)
• see Troubleshooting, page 25
Thermopile
Piezo
Ignitor
Figure 55 - Pilot Assembly
bURNER FLAME PATTERN
Burner flames will be steady; not lifting or floating. Flame patterns
will be different from unit to unit and will vary depending on instal-
lation type and weather conditions.
If the vent configuration is installed incorrectly, the flames will lift
or "ghost". This can be dangerous. Inspect the flames after instal-
lation to ensure proper installation and performance.
Figure 56 shows a typical flame pattern for these models.
If burner flame pattern differs from that described:
• turn fireplace off (see To Turn Off Gas to Appliance, page 22)
• see Troubleshooting, page 25
Figure 56 - Typical Flame Pattern
4
3/8" to 1/"
Pilot Burner
1/8"
Thermocouple
WARNING: turn off fireplace and let cool before
cleaning.
CAUtION: You must keep control areas, burners, 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, bedding material, pet hair, etc.
GLASS DOOR
WARNING: Handle glass door panel with care. Do
not strike, slam, or otherwise abuse glass. Do not op-
erate fireplace with the glass door removed, cracked,
or broken.
WARNING: Do not use abrasive cleaners as this
may damage glass. Use a nonabrasive household glass
cleaner to clean glass. Do not clean glass when hot.
Glass must be cleaned periodically. During start-up it is normal for
condensation to form on the inside of the glass causing lint, dust,
and other airborne particles to cling to the glass surface. During
initial start-up a slight film may form on the glass due to paint cur-
ing. The glass should be cleaned several times with a non-ammonia,
nonabrasive household cleaner and warm water after the first two
weeks of operation. Thereafter, clean the glass two or three times
during each heating season, depending on the usage and circum-
stances present. Refer to Removing/Replacing Glass Door, page
19, when removing glass door for cleaning.
WARNING: Only parts supplied by the manufacturer
should be used when replacing broken or damaged
glass door panel (see Replacement Parts, page 28).
This glass door panel is a complete unit. No substitute
materials may be used.
CAUtION: Wear gloves and safety glasses while
handling or removing broken glass. Do not remove if
glass is hot. keep children and pets away from glass.
If glass has been broken, carefully remove glass door (see Remov-
ing/Replacing Glass Door, page 19). Vacuum all glass pieces with
a shop vac.
CAUtION: Do not vacuum if pieces are hot.
Use only the tempered glass door replacement intended for this
fireplace (see Replacement Parts, page 28 for detail on ordering).
No substitutions may be made. See Removing/Replacing Glass
Door, page 19, for instructions for replacing glass door.
WARNING: Do not operate fireplace with the glass
door removed, cracked, or broken.
www.desatech.com
cLEANING AND
MAINTENANcE
111906-01F

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