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20
105648
UNVENTED PROPANE/LP GAS FIREPLACE INSERT
DESA INTERNATIONAL
For more information, visit www.desatech.com
SPECIFICATIONS
VI33PR Remote Ready Insert
Btu (Variable)
20,000/33,000
Type Gas
Propane/LP Only
Ignition
Piezo
Pressure Manifold
8.0" W.C.
Inlet Gas Pressure (in. of water)
Maximum
14"
Minimum*
11"
* For input adjustment
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 DESA International’s Techni-
cal Service Department at 1-800-323-5190.
When calling DESA International, 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 DESA International’s Parts
Department at 1-800-972-7879 for referral
information. When calling DESA Interna-
tional, have ready
• model number of your heater
• the replacement part number
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 service web site at
www.desatech.com.
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.
AU
TO
OFF
ON
Thermopile
WIRING DIAGRAM
Note
: For proper operation of optional ac-
cessories, the wires from the switch to the
control must be connected exactly as shown
in Figure 40.
Red
Variable
Fan Switch
Fan Switch
(N.O.)
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
2
Black
Blue
Figure 41 - Blower Wiring Diagram
CAUTION: Label all wires prior
to disconnection when servicing
controls. Wiring errors can cause
improper and dangerous opera-
tion. Verify proper operation af-
ter servicing.
Figure 40 - Switch Wiring Diagram