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OWNER’S MANUAL
Models VDDVF36PN/PP series are three-sided
direct-vent gas fireplace with a sealed combus-
tion chamber. Models VDDVF36STN/STP
series are two-sided direct-vent gas fireplace
with a sealed combustion chamber. All models
use a millivolt gas control and a millivolt igni-
tion 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 (see
Accessories on page 28).
INTRODUCTION
WARNING: Installation and
repair should be done by a quali-
fied installer/service person. The
appliance should be inspected
before use, and at least annually
thereafter by a qualified service
person. More frequent cleaning
may be required due to exces-
sive lint from carpeting, bedding,
pet hair, etc. It is imperative that
the control compartments, burn-
ers, and circulating air systems
be kept clean.
NOTICE: This appliance is in-
tended to be used only for supple-
mental heat.
• Models VDDVF36PN and VDDVF36STN
use NATURAL GAS ONLY.
• Models VDDVF36PP and VDDVF36STP
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 AGA/CGA rating plate
located at the interior of the appliance open-
ing or consult your local distributor (see
Figures 1 and 2, page 2).
BEFORE YOU BEGIN
Before beginning the installation of your
appliance, read these instructions through
completely.
This DESA appliance and its approved com-
ponents are safe when installed according to
this installation manual and operated as
recommended 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 manufactured by
DESA unless otherwise permitted in
writing by DESA.
B) The use of any components part not ap-
proved by DESA in combination with
this DESA appliance.
C) Installation and/or operation in a man-
ner other than instructed in this manual.
D) The burning of anything other than the
type of gas approved for use in this gas
appliance.
NOTICE: Check local building
codes for area requirements be-
fore installing this appliance.
This appliance, when installed, must be elec-
trically grounded in accordance with local
codes, or in the absence of local codes, with the
National Electrical Code, ANS/NFPA 70 or
the Canadian Electrical Code, CSA C22.1.
The installation must conform with local
codes or, in the absence of local codes, with
the National Fuel Gas Code, ANS Z223.1 or
the Canadian Installation Code, CAN/CGA
B149.
This appliance complies with ANS Z21.50-
1998/CSA 2.22-M48 as a VENTED GAS
FIREPLACE. It is listed and tested by Inter-
national Approval Services.
To determine the safest and most efficient
location for your appliance, consider the
following guidelines:
1. The location must allow for proper
clearances (see Clearances, page 4).
2. Consider a location where heat output
would not be affected by drafts, air con-
ditioning ducts, windows, or doors.
3. A location that avoids the cutting of
joists or roof rafters makes installation
easier.
SELECTING
LOCATION
In selecting a location, the following pre-
cautions must be observed:
1. A projection may be ideal for a new ad-
dition on an existing finished wall. See
Horizontal Termination Configuration,
pages 10 and 11, or Vertical Termina-
tion Configuration, pages 13 and 14.
2. Do not locate appliance close to where
gasoline or other flammable 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 lo-
cate this appliance in high traffic areas
or near furniture and draperies.
5. This fireplace may be installed in bed-
rooms or bathrooms in accordance with
local codes.
6. Never obstruct the openings of the ap-
pliance or flow of ventilation air. Keep
the control compartments accessible.
7. Do not use this appliance if any part
has been under water. Immediately
contact a local service technician to ex-
amine the appliance and to replace any
part(s) of the control ignition system
and other related components that have
submerged under water.
Figure 3 - Possible Installation of
Peninsula Fireplace