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105706-01B
For more information, visit www.desatech.com
For more information, visit www.desatech.com
4
WARNING: Installation and repair should be done
by a qualified service person. The appliance should
be inspected before use, and at least annually there-
after by a qualified service person. More frequent
cleaning may be required due to excessive lint from
carpeting, bedding, pet hair, etc. It is imperative that
the control compartments, burners, and circulating
air systems be kept clean.
NOTICE: This appliance is intended to be used only
for supplemental heat.
The installation must conform with local codes or, in the absence of
local codes, with the National Fuel Gas Code, ANSI Z223.1 or the
Canadian Installation Code, CAN/CGA B149.
This appliance complies with ANSI Z21.88-1998 and CSA 2.33-
M98 as a VENTED GAS FIREPLACE HEATER. It is listed and
tested by International Approval Services.
SELECTING LOCATION
To determine the safest and most efficient location for your appli-
ance, consider the following guidelines:
1. The location must allow for proper clearances (see Clearances,
page 5).
2. Consider a location where heat output would not be affected
by drafts, air conditioning ducts, windows, or doors.
3. A location that avoids the cutting of joists or roof rafters makes
installation easier.
In selecting a location, the following precautions must be observed:
1. A projection may be ideal for a new addition on an existing finished
wall. See Horizontal Termination Configuration, page 12, or Verti-
cal Termination Configuration, pages 14 and 15.
2. Do not locate appliance close to where gasoline or other flam-
mable liquids may be stored. The appliance must be kept clear
and free from combustible materials.
3. Do not connect this appliance to a chimney system used for
solid fuel burning fireplace.
4. Due to high temperatures, do not locate this appliance in high
traffic areas or near furniture and draperies.
5. This fireplace may be installed in bedrooms or bathrooms in
accordance with local codes.
6. Never obstruct the openings of the appliance or flow of venti-
lation air. Keep the control compartments accessible.
Models VDVF36PN/PP series are three-sided direct-vent gas fire-
place heaters with a sealed combustion chamber. Models
VDVF36STN/STP series are two-sided direct-vent gas fireplace
heaters with a sealed combustion chamber. All models use a
millivolt gas control and a millivolt ignition system. All models
have a manual HI/LO valve to control the flame height. A fan kit is
available for these models as an option.
INTRODUCTION
WARNING: This product contains and/or generates
chemicals known to the State of California to cause
cancer or birth defects, or other reproductive harm.
• Models VDVF36PN and VDVF36STN use NATURAL
GAS ONLY.
• Models VDVF36PP and VDVF36STP use PROPANE/LP
GAS ONLY.
If you have any doubts as to which gas your particular appliance is
approved and tested for, please check the CSA rating plate located
at the interior of the appliance opening or consult your local
distributor (see Figure 1, page 2 and Figure 2, page 3).
BEFORE YOU BEGIN
Before beginning the installation of your appliance, read these
instructions through completely.
This DESA appliance and its approved components are safe when
installed according to this installation manual and operated as recom-
mended by DESA. Unless you use DESA approved components tested
for this appliance, YOU MAY CAUSE A SAFETY HAZARD!
The DESA warranty will be voided by, and DESA disclaims any
responsibility for the following actions:
A) Modification of the appliance or any of the components manu-
factured by DESA unless otherwise permitted in writing by DESA.
B) The use of any components part not approved by DESA in
combination with this DESA appliance.
C) Installation and/or operation in a manner other than instructed
in this manual.
D) The burning of anything other than the type of gas approved
for use in this gas appliance.
This appliance, when installed, must be electrically grounded in
accordance with local codes, or in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70 or the Canadian
Electrical Code, CSA C22.1.
NOTICE: Check local building codes for area require-
ments before installing this appliance.
INTRODUCTION
Before You Begin
SELECTING LOCATION