35
106497
OWNER’S MANUAL
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• fireplace will not produce specified heat
• propane/LP gas supply might be low
(propane/LP units only)
When Gas Quality Is Bad
• pilot will not stay lit
• burners will produce flames and soot
• fireplace will backfire when lit
If you feel your gas pressure is too low or gas
quality is bad, contact your local natural or
propane/LP gas supplier.
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting. If
so, contact DESA International’s Technical
Service Department at 1-800-DESA LOG
(1-800-337-2564).
You can also visit DESA International’s
technical service web site at
www.desatech.com
.
REPLACEMENT
PARTS
WIRING DIAGRAM
CAUTION: Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and dangerous operation.
Verify proper operation after servicing.
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 not supply original replacement
part(s), call DESA International’s Techni-
cal Service Department at 1-800-DESA
LOG (1-800-337-2564).
When calling DESA International, 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 defec-
tive part to the factory.
PARTS NOT UNDER
WARRANTY
Contact authorized dealers of this product.
If they can not supply original replacement
part(s), call DESA International’s Parts De-
partment at 1-800-972-7879 for referral in-
formation.
When calling DESA International, have ready
• model number of your fireplace
• the replacement part number
Thermocouple
Incoming
Main
Gas
Supply
Piezo Ignitor
Control
Valve
Variable
Speed
Control
Electrical Rating:
120v, 60Hz, 0.7A
Pilot
TH
TP
TH/TP
Thermopile
Piezo Ignitor
Do Not
Connect
To 120V
N.O.SW
(Wall Switch)
Remote
Control
Pilot
Gas Line
Wireway
GND
BLK
WHT
GRN
Incoming
120V AC
(Fuse Box
or
Breaker)
Connectors
(Not Supplied)
Field Wire
N.O.SW
MBDV37
MBDV41
Dimension, Inches/mm (HxWxD)
Fireplace
33" x 37" x 18
1
/
2
"
35" x 41" x 18
1
/
2
"
838 x 940 x 470mm
838 x 1041 x 470mm
Carton
36" x 39" x 19
1
/
2
"
36" x 43" x 19
1
/
2
"
914 x 991 x 495mm
914 x 1092 x 495mm
Weight, lbs/kg
Fireplace
127 lbs/58 kg
137 lbs/62 kg
Shipping
130 lbs/59 kg
140 lbs/64 kg
SPECIFICATIONS
