Desa H) AND VM42(B Manuale Utente
108795-01M
For more information, visit www.desatech.com
18
CLEANING AND
MAINTENANCE
WARNING: Installation and repair should be done
by a qualified service person. The appliance should be
inspected before each use and at least annually by a
qualified service person. More frequent cleaning may be
required due to excessive lint from carpeting, bedding
material, pet hair, etc. It is imperative that the control
compartments, burners and circulating air system be
kept clean.
WARNING: The logs can be hot. Handle only when
cool.
WARNING: Turn off gas and electrical power before
servicing appliance.
WARNING: Failure to keep the primary air opening(s)
of the burner(s) clean may result in sooting and prop-
erty damage.
PILOT AND BURNER
• Remove logs and ember material before cleaning burner and
replace when cleaning is complete.
• Burner and controls should be cleaned with compressed air to
remove dust, dirt or lint.
• Use a vacuum cleaner or small, soft bristled brush to remove
excess dust, dirt or lint.
LOGS
• If you remove logs for cleaning, refer to log placement informa-
tion on page 12 to properly replace logs.
• Use a vacuum cleaner to remove any carbon buildup on logs.
• Replace log(s) if broken. See Replacement Parts.
• Replace ember material periodically as needed. See Replacement
• Replace log(s) if broken. See Replacement Parts.
• Replace ember material periodically as needed. See Replacement
Parts.
WIRING DIAGRAM
DO NOT
CONNECT
RED
REPLACE FACTORY WIRING WITH 105°C
EQUIVALENT OR HIGHER RATING
THERMOSTAT WIRE 18 GA. RED/WHITE
EXTERNAL WIRING USE ONLY CLASS 2
N.C.SW
(VENT SAFETY
SHUTOFF SWITCH)
WHITE
TH/TP
TP
TH
WALL SWITCH
(SUPPLIED)
MANUAL
DAMPER
SWITCH
N.O. SW
TO 120V
THERMOPILE
PILOT
BURNER
IGNITOR
LINE
PILOT GAS
O
F F
PI
L
O
T
ON
PILOT SAFETY WIRE
MAIN GAS
INCOMING
SUPPLY
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burner will have delayed ignition
• fireplace will not produce specified heat
• propane/LP gas supply may be low if using propane/LP gas
If using propane/LP gas, you may feel your gas pressure is too low.
• burner will have delayed ignition
• fireplace will not produce specified heat
• propane/LP gas supply may be low if using propane/LP gas
If using propane/LP gas, you may feel your gas pressure is too low.
If so, contact your local propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation, operation or
troubleshooting. If so, contact DESAʼs Technical Service Depart-
ment at 1-866-672-6040. When calling please have your model and
serial numbers of your heater ready.
You can also visit DESAʼs Technical Services web site at
You can also visit DESAʼs Technical Services web site at
www.desatech.com
.
REPLACEMENT PARTS
Note:
Use only original replacement parts. This will protect your
warranty coverage for parts replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If they canʼt supply
original replacement part(s) call DESAʼs Technical Service Depart-
ment at 1-866-672-6040 for referral information.
When calling DESA, have ready
• your name
• your address
• model and serial numbers of your fireplace
• how fireplace was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the part to the factory.
When calling DESA, have ready
• your name
• your address
• model and serial numbers of your fireplace
• how fireplace was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the part to the factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they canʼt supply
original replacement part(s) call DESA at 1-866-672-6040 for
referral information.
When calling DESA, have ready
• model number of your fireplace
• the replacement part number
When calling DESA, have ready
• model number of your fireplace
• the replacement part number