Owner’s manual, Replacement parts, Specifications service hints – FMI VFP24R User Manual
Page 21: Wiring diagram, Technical service

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OWNER’S MANUAL
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 can’t supply original replacement
part(s), call Fireplace Manufacturers
Incorporated’s Technical Service Depart-
ment at 1-888-427-8322.
When calling Fireplace Manufacturers In-
corporated, have ready
• your name and address
• model and serial numbers of your heater
• how heater 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 Fireplace Manufacturers
Incorporated’s Parts Department at 1-800-
888-2050 for referral information.
When calling Fireplace Manufacturers In-
corporated, have ready
• model and serial numbers of your heater
• the replacement part number
SPECIFICATIONS
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low
When Gas Quality Is Bad
• pilot will not stay lit
• burners will produce flames and soot
• heater 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
18" Variable
24" Variable
30" Variable
Btu (Variable)
16,000/26,000
20,000/33,000
21,5000/36,000
Type Gas
Propane/LP Only Propane/LP Only
Propane/LP Only
Ignition
Piezo
Piezo
Piezo
Manifold Pressure
7.9" W.C.
7.9" W.C.
7.9" W.C.
Inlet Gas Pressure
(in. of water)
Maximum
14"
14"
14"
Minimum*
11"
11"
11"
Shipping Weight
32 lbs.
34 lbs.
36 lbs.
* For purpose of input adjustment
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting.
If so, contact DESA International’s Techni-
cal Service Department at 1-800-DESA LOG
(1-800-337-2564).
You can also visit DESA International’s
technical services web site at
www.desatech.com
.
AUT
O
OFF
ON
Thermopile