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105704
OWNER’S MANUAL
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting.
If so, contact DESA International’s Tech-
nical Service Department at 1-800-323-
5190.
You can also visit DESA International’s
Technical Services web site at
www.desatech.com.
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
When Gas Quality Is Bad
• pilot will not stay lit
• burner will produce flames and soot
• fireplace will backfire when lit
You may feel your gas pressure is too low
or gas quality is bad. If so, contact your
local propane/LP gas supplier.
WIRING DIAGRAM
WARNING: Turn off gas and
remote wall switch before servic-
ing appliance. Any safety screen
or guard removed for servicing
this appliance must be replaced
prior to operating.
Periodically inspect the vent system con-
nections both inside and outside the appli-
ance. Be sure that there are no obstructions
which may hinder the appliance's normal
operation. If the connection does not appear
to be correct, contact your local service
technician.
WARNING: CHILDREN AND
ADULTS SHOULD BE ALERTED
TO THE HAZARDS OF HIGH SUR-
FACE TEMPERATURES AND TO
STAY AWAY FROM THESE TO
AVOID BURNS OR CLOTHING
IGNITION.
YOUNG CHILDREN SHOULD BE
CAREFULLY SUPERVISED
WHEN THEY ARE IN THE SAME
ROOM AS THE APPLIANCE.
N.O. WALL SWITCH
(SUPPLIED)
DO NOT
CONNECT
TO 120V
USE ONLY CL2 THERMOSTAT WIRE
18 GA. RED/WHITE (PROVIDED)
OR EQUIVALENT
(HEAT LIMIT
SWITCH)
TH
TP
TH/TP
CONTROL VALVE
Pilot
Gas Line
to Burner
Incoming
Main
Gas
Supply
Pilot Gas
Line
Thermopile
VGL450 SERIES MILLIVOLT
WIRING DIAGRAM
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 can’t supply original replacement part(s)
call DESA International’s Technical Ser-
vice Department at 1-800-323-5190 for re-
ferral information.
When calling DESA International, have
ready
• your name
• your address
• model and serial numbers of your fire-
place
• how fireplace was malfunctioning
• type of gas used (propane/LP or natural
gas)
• purchase date
Usually, we will ask you to return the defec-
tive part to the factory.
PARTS NOT UNDER
WARRANTY
Contact authorized dealers of this product. If
they can’t supply original replacement part(s)
call DESA International’s Parts Department
at 1-800-972-7879 for referral information.
When calling DESA International, have
ready
• model number of your fireplace
• the replacement part number
REPLACEMENT
PARTS
