Desa VSGF36NRB Quick start guide
For more information, visit www.desatech.com
WARNING: If the information in this manual is not fol-
— WHAT TO DO IF YOU SMELL GAS
• Do not touch any electrical switch; do not use any
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MODELS
VSGF36NTB, VSGF36PTB, VSGF36NRB AND VSGF36PRB
UNVENTED (VENT-FREE) GAS FIREPLACE SYSTEM
OWNER’S OPERATION AND INSTALLATION MANUAL
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2
SAFETY INFORMATION
TABLE OF CONTENTS
Safety Information ............................................... 2
Local Codes......................................................... 4
Product Identication........................................... 5
Unpacking............................................................ 5
Product Features................................................. 5
Locating Firebox.................................................. 6
Product Specications......................................... 6
Air For Combustion and Ventilation..................... 7
Installation ........................................................... 9
Operating Fireplace........................................... 19
Inspecting Burners ............................................ 24
Cleaning and Maintenance................................ 25
Wiring Diagram.................................................. 26
Specications .................................................... 26
Replacement Parts............................................ 26
Technical Service............................................... 26
Service Hints ..................................................... 26
Troubleshooting................................................. 27
Accessories ....................................................... 31
Illustrated Parts Breakdown and Parts List........ 32
Warranty Information ...........................Back Cover
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teration, service or main-
to this manual for correct
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tance or additional infor-
WARNING: This is an
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from the room in which
and ventilation air must
Air
for Combustion and Ven-
tilation
WARNING: For use only
CSA International under
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stalled in an aftermarket*,
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119305-01A 3
WARNING: Do not allow fans
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away from hot surfaces to avoid
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dren when they are in the room
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SAFETY INFORMATION
Continued
chemicals known to the state
of California to cause cancer or
-
Early signs of
carbon monoxide poisoning resemble the u, with
headaches, dizziness or nausea. If you have these
signs, the heater may not be working properly. Get
fresh air at once! Have heater serviced. Some
people are more affected by carbon monoxide than
others. These include pregnant women, people with
heart or lung disease or anemia, those under the
inuence of alcohol and those at high altitudes.
Natural and pro-
pane/LP gases are odorless. An odor-making agent
is added to the gas. The odor helps you detect a gas
leak. However, the odor added to the gas can fade.
Gas may be present even though no odor exists.
Make certain you read and understand all warnings.
Keep this manual for reference. It is your guide to
safe and proper operation of this heater.
this heater or its controls can
WARNING: Do not use a
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1.
This appliance is only for use with the type of
gas indicated on the rating plate. This appliance
is not convertible for use with other gases.
2. Do not place propane/LP supply tank(s) in-
side any structure. Locate propane/LP supply
tank(s) outdoors (propane/LP units only).
3. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not use
any phone in your building
• immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions
• if you cannot reach your gas supplier, call
the re department
4. This replace shall not be installed in a bed-
room or bathroom.
5. Do not use this replace as a wood-burning
replace. Use only the logs provided with the
replace.
6. Do not add extra logs or ornaments such as
pine cones, vermiculite or rock wool. Using
these added items can cause sooting. Do not
add lava rock around base. Rock and debris
could fall into the control area of replace.
7. To prevent the creation of soot, follow the
instructions in Cleaning and maintenance,
page 25.
8. Before using furniture polish, wax, carpet
cleaner or similar products, turn heater off. If
heated, the vapors from these products may
create a white powder residue within burner
box or on adjacent walls or furniture.
9. This replace needs fresh air ventilation to run
properly. This replace has an Oxygen Deple-
tion Sensing (ODS) safety shutoff system. The
ODS shuts down the replace if enough fresh
air is not available. See Air for Combustion
and Ventilation, page 7. If replace keeps
shutting off, see Troubleshooting, page 27.
10. Do not run replace
• where ammable liquids or vapors are used
or stored
• under dusty conditions
11. Do not use this replace to cook food or burn
paper or other objects.
SAFETY INFORMATION
Continued
12. Do not use fireplace if any part has been
exposed to or under water. Immediately call
a qualied service technician to inspect the
replace and to replace any part of the control
system and any gas control which has been
under water.
13. Do not operate replace if any log is broken.
Do not operate replace if a log is chipped
(dime-sized or larger).
14. Turn replace off and let cool before servicing.
Only a qualied service person should service
and repair replace.
15. Operating replace above elevations of 4,500
feet could cause pilot outage.
16.
To prevent performance problems in propane/LP
units, do not use propane/LP fuel tanks of less
than 100 lbs. capacity (propane/LP units only).
17.
Provide adequate clearances around air
openings.
LOCAL CODES
Install and use replace with care. Follow all local
codes. In the absence of local codes, use the lat-
est edition of The National Fuel Gas Code ANSI
Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
Note: Where listed vented decorative logs are
required, thermostat operation is not permitted.
State of Massachusetts: The installa-
tion must be made by a licensed plumber
or gas fitter in the Commonwealth of
Massachusetts.
Sellers of unvented propane or natural
gas-red supplemental room heaters shall
provide to each purchaser a copy of 527
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in the
Commonwealth of Massachusetts.
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119305-01A 5
Optional
Remote
Control
PRODUCT
IDENTIFICATION
Figure 1 - Log Base Assembly
(VSGF36NRB Shown)
Log Set
Base
Assembly
Front
Burner
Rear
Burner
Top Louver
Assembly
Fireplace
Hood
Bottom Louver
Assembly
Screen
Assembly
Top Outer
Casing
Figure 2 - Fireplace (VSGF36NRB Shown)
UNPACKING
CAUTION: Do not remove the
1. With utility knife, cut the carton all the way
around above the staples on the bottom tray.
Lift the carton off the heater. Remove packing.
Note: The hood is located on top of replace
in a carton.
2.
Locate one screw above top left corner of the
replace screen. Remove and discard screw. Lift
replace screen up and pull out to remove.
3. Remove protective packaging applied to logs,
log base assembly and replace.
4. Check all items for any shipping damage. If
damaged, promptly inform dealer where you
bought replace.
PRODUCT FEATURES
This vent-free replace is clean burning. It requires
no outside venting. There is no heat loss out a vent
or up a chimney. Heat is generated by both realistic
ames and glowing embers. When used without the
blower, the replace requires no electricity making
it ideal for emergency backup heat.
SAFETY DEVICE
This replace has a pilot with an Oxygen Depletion
Sensing (ODS) safety shutoff system. The ODS/
pilot is a required feature for vent-free room heat-
ers. The ODS/pilot system shuts off the replace
if there is not enough fresh air.
This replace has a piezo ignitor. This system
requires no matches, batteries or other sources to
light replace.
ACCESSORY
There are four optional remote controls (not
included) that can be purchased separately for
this log heater:
• wall switch
• wall thermostat
• hand-held ON/OFF remote
• hand-held thermostat remote
See Accessories, page 31.
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LOCATING FIREBOX
Plan where you will install the rebox. This will save time and money later when you install the rebox.
Before installation, consider the following:
1. Where the rebox will be located. Allow for wall and ceiling clearances (see Installation Clear-
ances, page 10).
2. Everything needed to complete installation.
3. These models CANNOT be installed in a bedroom unless the maximum Btu rating of the installed
vent-free log set is less than 10,000 Btu/hr.
4. Proper air for combustion and ventilation (page 7).
PRODUCT SPECIFICATIONS
Figure 3 - Firebox Dimensions
Firebox Top View
Front View
Right Side View
Left Side View
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119305-01A 7
AIR FOR COMBUSTION
AND VENTILATION
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Today’s homes are built more energy efcient
than ever. New materials, increased insulation and
new construction methods help reduce heat loss
in homes. Home owners weather strip and caulk
around windows and doors to keep the cold air out
and the warm air in. During heating months, home
owners want their homes as airtight as possible.
While it is good to make your home energy ef-
cient, your home needs to breathe. Fresh air must
enter your home. All fuel-burning appliances need
fresh air for proper combustion and ventilation.
Exhaust fans, reboxes, clothes dryers and fuel
burning appliances draw air from the house to
operate. You must provide adequate fresh air for
these appliances. This will insure proper venting
of vented fuel-burning appliances.
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Section 5.3,
Air for Combustion and Ventilation.
All spaces in homes fall into one of the three fol-
lowing ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 7 through 9 will help
you classify your space and provide adequate
ventilation.
The air that leaks around doors and windows
may provide enough fresh air for combustion and
ventilation. However, in buildings of unusually
tight construction, you must provide additional
fresh air.
construction where:
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-112
and
and
If your home meets all of the three criteria
Ventilation Air From Outdoors,
If your home does not meet all of the three
Determining
Fresh-Air Flow for Heater Location
The National Fuel Gas Code, ANSI Z223.1/NFPA
54 denes a conned space as a space whose
volume is less than 50 cubic feet per 1,000 Btu
per hour (4.8 m3 per kw) of the aggregate input
rating of all appliances installed in that space and
an unconned space as a space whose volume is
not less than 50 cubic feet per 1,000 Btu per hour
(4.8 m3 per kw) of the aggregate input rating of
all appliances installed in that space. Rooms com-
municating directly with the space in which the
appliances are installed*, through openings not
furnished with doors, are considered a part of the
unconned space.
* Adjoining rooms are communicating only if
there are doorless passageways or ventilation grills
between them.
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AIR FOR COMBUSTION
AND VENTILATION
Continued
DETERMINING FRESH-AIR FLOW
FOR HEATER LOCATION
Use this work sheet to determine if you have a
conned or unconned space.
Includes the room in which you will
install heater plus any adjoining rooms with door-
less passageways or ventilation grills between
the rooms.
1. Determine the volume of the space (length x
width x height).
Length x Width x Height =__________cu. ft.
(volume of space)
Example: Space size 22 ft. (length) x 18 ft.
(width) x 8 ft. (ceiling height) = 3168 cu. ft.
(volume of space)
If additional ventilation to adjoining room is
supplied with grills or openings, add the volume
of these rooms to the total volume of the space.
2. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
__________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support)
Example: 3168 cu. ft. (volume of space) x 20 =
63,360 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in
the space.
Vent-free replace ___________ Btu/Hr
Gas water heater* ___________ Btu/Hr
Gas furnace ___________ Btu/Hr
Vented gas heater ___________ Btu/Hr
Gas replace logs ___________ Btu/Hr
Other gas appliances* +__________ Btu/Hr
Total =__________ Btu/Hr
* Do not include direct-vent gas appliances. Di-
rect-vent draws combustion air from the outdoors
and vents to the outdoors.
Example:
Gas water heater __________ Btu/Hr
Vent-free replace + ________ Btu/Hr
Total = ________ Btu/Hr
4. Compare the maximum Btu/Hr the space can
support with the actual amount of Btu/Hr used.
_________
Btu/Hr (maximum the space can support)
_________
Btu/Hr (actual amount of Btu/Hr used)
Example: 63,360 Btu/Hr (maximum the space
can support)
79,000 Btu/Hr (actual amount of
Btu/Hr used)
The space in the above example is a conned space
because the actual Btu/Hr used is more than the maxi-
mum Btu/Hr the space can support. You must provide
additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoin-
ing room. If the extra space provides an unconned
space, remove door to adjoining room or add
ventilation grills between rooms. See Ventilation
Air From Inside Building, page 9.
B. Vent room directly to the outdoors. See Ventila-
tion Air From Outdoors, page 9.
C. Install a lower Btu/Hr replace, if lower Btu/Hr
size makes room unconned.
If the actual Btu/Hr used is less than the maxi-
mum Btu/Hr the space can support, the space is
an unconned space. You will need no additional
fresh air ventilation.
WARNING:If the areainwhich
in the National Fuel Gas Code,
ANSI Z223.1/NFPA54 Section 5.3
40,000
39,000
79,000
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119305-01A 9
VENTILATION AIR
This fresh air would come from an adjoining un-
conned space. When ventilating to an adjoining
unconned space, you must provide two perma-
nent openings: one within 12" of the ceiling and
one within 12" of the oor on the wall connecting
the two spaces (see options 1 and 2, Figure 4). You
can also remove door into adjoining room (see
option 3, Figure 3). Follow the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for
Combustion and Ventilation for required size of
ventilation grills or ducts.
AIR FOR COMBUSTION
AND VENTILATION
Continued
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or
ducts. You must provide two permanent openings:
one within 12" of the ceiling and one within 12"
of the oor. Connect these items directly to the
outdoors or spaces open to the outdoors. These
spaces include attics and crawl spaces. Follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54,
Section 5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet
or outlet air into attic if attic has a thermostat-
controlled power vent. Heated air entering the attic
will activate the power vent.
Figure 5 - Ventilation Air from Outdoors
Figure 4 - Ventilation Air from Inside
Building
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
Option 2
Ventilation
Grills
Into
Adjoining
Room,
Option 1
12"
12"
Outlet
Air
Ventilated
Attic
Outlet
A
ir
Inlet
Air
Inlet Air Ventilated
Crawl Space
To
Crawl
Space
To Attic
INSTALLATION
NOTICE: This heater is intended
-
WARNING: Never install the
• in a recreational vehicle
• where curtains, furniture,
the heater
• in windy or drafty areas
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currents move heat to wall sur-
smoke, aromatic candles, clean-
Note: Your replace is designed to be used in zero
clearance installations. Wall or framing material
can be placed directly against any exterior surface
on the rear, sides or top of your replace, except
where standoff spacers are integrally attached. If
standoff spacers are attached to your replace,
these spacers can be placed directly against wall
or framing materials.
Use the dimensions shown for rough openings to
create the easiest installation. See Built-In Fire-
place Installation, page 11.
IMPORTANT: Vent-free heaters add moisture to
the air. Although this is benecial, installing re-
place in rooms without enough ventilation air may
cause mildew to form from too much moisture. See
Air for Combustion and Ventilation, page 7.
IMPORTANT: Make sure the replace is level. If
replace is not level, log set will not work properly.
Use the correct gas type (natural or propane/LP)
for your replace. If your gas supply is not cor-
rect, do not install replace. Call dealer where you
bought replace for proper type replace.
INSTALLATION
Continued
INSTALLATION CLEARANCES
WARNING: Maintain the
Carefully follow the instructions below. This will
ensure safe installation.
A. Clearances from the side of the fireplace
cabinet to any combustible material and wall
should follow diagram in Figure 6.
Example: The face of a mantel, bookshelf,
etc. is made of combustible material and
protrudes 3 1/2" from the wall. This combus-
tible material must be 4" from the side of the
replace cabinet (see Figure 6).
B. Clearances from the top of the rebox opening
to the ceiling should not be less than 42".
C. When the rebox is installed on carpeting or
other combustible material, other than wood
ooring, the rebox should be installed on a
metal or wood panel extending the full width
and depth of the enclosure.
D. Clearances from the bottom of rebox to the
oor is 0".
These reboxes can be installed as freestanding
units against a wall with the approved, optional
cabinet mantels (see Accessories, page 31) or as a
built-in unit. The clearances are the same for either
installation method.
CAUTION: Do not install
*Minimum 16" from Side Wall
*
Example
Figure 6 - Minimum Clearance for
Combustible to Wall
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119305-01A 11
INSTALLATION
Continued
Mantel Clearances for Built-In
Installation
If placing custom mantel above built-in rebox,
you must meet the minimum allowable clearance
between mantel shelf and top of rebox opening
shown in Figure 7. These are the minimum allowable
mantel clearances for a safe installation. Use larger
clearances wherever possible to minimize the heat-
ing of objects and materials placed on the mantel.
CAUTION: Do not allow the
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Follow all minimum clearances
NOTICE: If your installation does
notmeettheminimumclearances
shown, you must do one of the
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• remove the mantel
BUILT-IN FIREBOX INSTALLATION
Built-in installation of this rebox involves install-
ing rebox into a framed-in enclosure. This makes
the front of rebox ush with wall. Optional brass
trim accessories are available (see Accessories,
page 31). The brass trim will extend past sides
of rebox approximately 1/2". This will cover
the rough edges of the wall opening. If installing
a mantel above the rebox, you must follow the
clearances shown in Figure 6, page 10. Follow
the instructions below to install the rebox in
this manner.
Figure 7 - Minimum Mantel Clearances for Built-In Installation
Supplied
Firebox Hood
Must Be Used
at All Times
Wire-mesh
Screen
Firebox
Noncombustible
Material May
Project Off this
Surface above
the Firebox Hood
Mantel Shelf
Note: Any portion of the
mantel shelf must NOT
extend beyond this profile.
12" 16" 20"
1
1
/
2
"
6
3
/
4
"
12"
Note: All vertical
measurements are
from top of fireplace
hood opening to
bottom of mantel shelf.
These minimum
clearances replace any
other recommended
clearances supplied
with your ANSI Z21.11.2
approved gas logs.
Wall board or facing
material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments or
other similar projec-
tions off of the facing
material.
Framing
Material
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Built-in Installation
Front Width
41 1/2" 40 1/2" 20 3/4"
1. Frame in rough opening. The rebox framing
should be constructed of 2 x 4 lumber or heavier.
Use dimensions in Table 1 and rough opening
layout in Figure 8. Adjust framing so that rebox
ushes with nished wall surface. If installing
in a corner, use dimensions in Figures 8 and 9
for rough opening.
2.
Install gas piping to rebox location. See Installing
Gas Piping to Fireplace Location on page 13 and
Connecting Fireplace to Gas Supply, page 15.
IMPORTANT: If installing blower accessory
(circulating models with louvers only), see Hard-
Wiring Firebox, page 18.
3. Carefully set rebox in front of rough open-
ing with back of rebox inside wall opening.
IMPORTANT: If installing a perimeter trim
kit, see instructions included with trim acces-
sory. You must install shoulder screws from
trim kit now.
4. Carefully insert rebox into rough opening.
5. Attach rebox to wall studs using nails or
wood screws through holes in nailing ange
(see Figure 10).
6. If using an optional perimeter trim kit, install
the trim after nal nishing and/or painting
of wall. See instructions included with trim
accessory for attaching trim.
7. Install and properly test gas log heater. Fol-
low installation instructions included with
the vent-free gas log heater that is being
installed.
IMPORTANT: When finishing your firebox,
combustible materials such as wall board, gypsum
board, sheet rock, drywall, plywood, etc. may be
butted up next to the sides and top of the rebox.
Combustible materials should never overlap the
rebox front facing.
WARNING: Do not allow any
IMPORTANT: Noncombustible materials such as
brick, tile, etc. may overlap the front facing, but
should never cover any necessary openings like
louvered slots.
WARNING: Do not allow non-
INSTALLATION
Continued
Figure 8 - Rough Opening for Installing
in Wall
Depth
(Minimum)
Width
(Inside to Inside)
Height
37"
45°
41
1
/
2
"
5
2
11/
3
2
"
74"
TOP VIEW
FOR 36"
MODELS
Figure 9 - Rough Opening for Installing
in Corner Wall
WARNING: Useonlynoncom-
-
Figure 10 - Attaching Firebox to Wall
Studs
Nailing
Flange
Nails or
Wood
Screws
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119305-01A 13
INSTALLATION
Continued
INSTALLING FIREBOX USING
-
This rebox may be installed using the corner or
cabinet mantel with hearth base accessories against
a wall in your home. A trim kit is included with the
mantel accessories (see Accessories, page 31).
1. Assemble cabinet mantel, hearth base, and
trim accessories. Assembly instructions are
included with each accessory.
2.
Install gas piping to firebox location. See
Installing Gas Piping to Fireplace Location.
You may have to cut a hole in the oor or wall
to run gas line to rebox. Make sure to locate
access hole so it is covered by mantel/base when
installed.
3.
Place hearth base against wall at installation
location. Cut an access hole in hearth top to run
exible gas line to rebox (see Figure 11). Make
sure to locate access hole so cabinet mantel will
cover it when installed. Note: You can secure
base to oor using wood screws. Countersink
screw heads and putty over.
4. Route exible gas line through access hole in
hearth base.
5.
Center cabinet mantel on hearth base (see Figure
12). Make sure mantel is ush against wall.
6. Install trim kit furnished with mantel. See
instruction sheet included with mantel.
7. Carefully insert rebox into cabinet mantel. Be
careful not to scratch rebox, mantel, base, etc.
when installing (see Figure 13).
Figure 12 - Center Mantel on Hearth Base
-
Mantel
Figure 11 - Placing Hearth Base
Accessory Against Wall
Hearth
Base
Gas Line
Access
Hole
Rigid Pipe and
Gas Shutoff
Valve
Figure 13 - Inserting Firebox Into
Cabinet Mantel (Model May Vary From
Illustration)
Hearth
Base
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14
INSTALLATION
Continued
WARNING: Never connect
Installation Items Needed
Before installing replace, make sure you have
the items listed below.
• external regulator for propane/LP unit only
(supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• tee joint
• pipe wrench
• approved exible gas line with gas connector
(if allowed by local codes) (not provided)
* A CSA design-certied equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to
test gauge connection. Purchase the optional CSA
design-certied equipment shutoff valve from your
dealer. See Accessories, page 31.
For propane/LP units, the installer must supply
an external regulator. The external regulator will
reduce incoming gas pressure. You must reduce
incoming gas pressure to between 11 and 14 inches
of water. If you do not reduce incoming gas pres-
sure, heater regulator damage could occur. Install
external regulator with the vent pointing down
as shown in Figure 14. Pointing the vent down
protects it from freezing rain or sleet.
* Purchase the optional CSA design-certified
equipment shutoff valve from your dealer. See
Accessories, page 31.
** Minimum inlet pressure for purpose of input
adjustment.
Figure 15 - Gas Connection
Sediment Trap
CSA Design-Certied
Equipment Shutoff Valve
With 1/8" NPT Tap*
3" Minimum
Cap Pipe Tee
Nipple Joint
Natural Gas
From Gas Meter
(5" W.C.** to 10.5"
W.C. Pressure)
From External
Regulator
(11" W.C.** to 14"
W.C. Pressure)
CAUTION: Use only new,
-
Installation must include an equipment shutoff
valve, union and plugged 1/8" NPT tap. Locate
NPT tap within reach for test gauge hook up.
NPT tap must be upstream from replace (see
Figure 15).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment shutoff
valve is for turning on or shutting off the gas to
the appliance.
Check your building codes for any special re-
quirements for locating equipment shutoff valve
to replaces.
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from
going into pipe. Excess sealant in pipe could result
in clogged replace valves. Never use sealant on
are threads.
Propane/LP
Supply Tank
External
Regulator
Figure 14 - External Regulator With Vent
Pointing Down
Vent
Pointing
Down
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119305-01A 15
Note: If adding the G8007 series brick liner acces-
sory, install it now. Follow instructions in G8007
accessory kit.
3. Route gas line (provided by installer) from
equipment shutoff valve to replace. Route
exible gas supply line through one of the
access holes.
-
4. Attach the exible gas line to gas supply (see
Figure 17). Check tightness of exible gas
line attached to gas regulator of replace (see
Figure 17).
5. Check all gas connections for leaks. See
Checking Gas Connections, page 16.
6. Replace log base assembly back into replace.
Feed exible gas line into replace base area
while replacing log base assembly. Make sure
the entire exible gas line is in replace base
area. Reattach log base assembly to replace
with screws removed in step 2.
INSTALLATION
Continued
Figure 16 - Removing Log Base
Assembly From Fireplace
Figure 17 - Attaching Flexible Gas Lines
Together
Flexible Gas Line
from Fireplace
Gas Regulator
To Fireplace
Gas Regulator
Equipment
Shutoff Valve
Provided by
Installer
To External
Regulator
Natural Gas
To Gas Meter
We recommend that you install a sediment trap in
supply line as shown in Figure 15, page 14. Locate
sediment trap where it is within reach for clean-
ing. Install in piping system between fuel supply
and replace. Locate sediment trap where trapped
matter is not likely to freeze. A sediment trap traps
moisture and contaminants. This keeps them from
going into replace gas controls. If sediment trap
is not installed or is installed wrong, replace may
not run properly.
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• Phillips screwdriver
• sealant (resistant to propane/LP gas, not pro-
vided)
1. Remove replace screen. Remove one screw
that holds replace screen in place for ship-
ping. This screw is located near top left side
of screen. Discard screw. Lift replace screen
up and pull out to remove.
2. Remove screws that attach log base assembly
to replace (see Figure 16). Carefully lift up
log base assembly and remove from replace
(see Figure 16).
www.desatech.com 119305-01A
16
-
and external to unit, for leaks
-
WARNING: Never use an
CAUTION: Make sure exter-
Connecting Fireplace to Gas
Supply
1. Disconnect replace with its main gas valve
(control valve) and equipment shutoff valve
from gas supply piping system. Pressures
in excess of 1/2 psig will damage replace
regulator.
2. Cap off open end of gas pipe where equipment
shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas
or using compressed air.
4. Check all joints of gas supply piping system.
Apply noncorrosive leak detection uid to all
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect replace and equipment shutoff
valve to gas supply. Check reconnected ttings
for leaks.
1. Close equipment shutoff valve (see Figure 18).
INSTALLATION
Continued
Figure 18 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve
Figure 20 - Checking Gas Joints for
Propane/LP Gas
Propane/LP
Supply Tank
Equipment
Shutoff
Valve
Gas Control Valve
Gas Meter
Figure 19 - Checking Gas Joints for
Natural Gas
Gas Control Valve
Equipment Shutoff Valve
2. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas
or using compressed air.
3. Check all joints from gas meter to equipment
shutoff valve for natural gas or propane/LP
supply to equipment shutoff valve for propane/
LP (see Figures 19 and 20). Apply noncorro-
sive leak detection uid to all joints. Bubbles
forming show a leak.
4. Correct all leaks at once.
CONNECTIONS
1. Open equipment shutoff valve (see Figure 18).
2. Open main gas valve located on or near gas
meter for natural gas or open propane/LP
supply tank valve.
3. Make sure control knob of replace is in the
OFF position.
www.desatech.com
119305-01A 17
INSTALLATION
Continued
INSTALLING LOGS
-
CAUTION: Do not remove
It is very important to install these logs exactly
as instructed. Do not modify logs. Only use logs
supplied with heater.
1. Place bottom log in center of the base assem-
bly as shown in Figure 21.
2. Rest rear log in back corner sections of base
assembly as shown in Figure 21. Make sure
log is completely vertical and not leaning in
toward burner where the ame will touch the
log.
3. Position front right log against right side of
grate prongs (see Figure 21).
4. Position front left log against left side of grate
prongs (see Figure 21).
5. Place middle right log over front right and bot-
tom logs as shown in Figure 22. Be sure hole
in middle right log seats over pin in bottom
log.
6. Place middle left log over front left and bot-
tom logs as show in Figure 22. Be sure hole
in middle left log seats over pin in front left
log.
-
Figure 21 - Installing Bottom Logs
4. Check all joints from equipment shutoff valve
to gas control valve (see Figures 19 or 20, page
16). Apply noncorrosive leak detection uid
to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light replace (see Operating Fireplace, page
19. Check all other internal joints for leaks.
7. Turn off replace (see To Turn Off Gas to
Appliance, pages 20 or 22, depending on your
model).
Figure 22 - Installing Top Logs
Rear Log
Grate
Prongs
Bottom
Log
Base Assembly Front Right
Log
Front Left Log
Middle Right Log
Middle Left Log
Bottom
Log
Pin on Front
Left Log
www.desatech.com 119305-01A
18
INSTALLATION
Continued
AND SCREEN
1. Loosen screws inside top edge of rebox.
Slide notches in hood over screws and tighten
screws (see Figure 24).
2. Install replace screen by slipping notches
of replace screen over screws on front of
replace (see Figure 25).
Figure 24 - Hood Placement
(Model May Vary From Illustration)
HARD-WIRING FIREBOX
-
-
low The National Electric Code
ANSI/NFPA 70
The “Handy Box” with duplex outlet is provided in
the rebox located in the lower right base area.
1. Remove screw holding duplex outlet cover to
handy box. Remove duplex outlet.
2. Route electrical cable through strain relief and
handy box (see Figure 23). Tighten screws on
strain relief.
3. Connect electrical cable to duplex outlet.
Match wire colors to those on duplex outlet.
Be sure to connect the ground wire.
4. Place duplex outlet back into handy box and
secure with screws. Replace outlet cover.
Strain Relief
Duplex Box/
Handy Box
Figure 23 - Hard-Wiring Firebox
Screw
Hood
Figure 25 - Screen Placement
(Model May Vary From Illustration)
Screw
Screen
Screws
www.desatech.com
119305-01A 19
OPERATING FIREPLACE
THERMOSTAT MODELS
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not fol-
low these instructions exactly,
-
A. This appliance has a pilot which must be
lighted by hand. When lighting the pilot,
follow these instructions exactly.
B. BEFORE LIGHTING smell all around the
appliance area for gas. Be sure to smell next
to the oor because some gas is heavier than
air and will settle on the oor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call
the re department.
C. Use only your hand to push in or turn the
gas control knob. Never use tools. If the
knob will not push in or turn by hand, don’t
try to repair it, call a qualied service tech-
nician or gas supplier. Force or attempted
repair may result in a re or explosion.
D. Do not use this appliance if any part has
been under water. Immediately call a
qualied service technician to inspect the
appliance and to replace any part of the
control system and any gas control which
has been under water.
LIGHTING
INSTRUCTIONS
-
1.
STOP! Read the safety information, column 1.
2. Make sure equipment shutoff valve is fully
open.
3. Turn control knob clockwise to the
OFF position (see Figure 27).
4. Wait ve (5) minutes to clear out any gas.
Then smell for gas, including near the oor.
If you smell gas, STOP! Follow “B” in the
safety information, column 1. If you don’t
smell gas, go to the next step.
5. Turn control knob counterclockwise
to the PILOT position. Press in control
knob for ve (5) seconds (see Figure 26).
Note: If running replace for rst time,
there will be air in gas line. You may need
to press in control knob for 30 seconds or
longer. This will allow air to bleed from the
gas system.
6. Continue pressing control knob in. Press
and release ignitor button. This will light
pilot. The pilot is attached to the front
burner. If needed, keep pressing ignitor
button until pilot lights.
Figure 26 - Control Knob and Ignitor
Button Location
Ignitor Button
Control Knob
www.desatech.com 119305-01A
20
OPERATING FIREPLACE
Continued
Note: If pilot does not stay lit, contact a
qualied service person or gas supplier for
repairs. Until repairs are made, light pilot
with match. To light pilot with match, see
Manual Lighting Procedure.
7. Keep control knob pressed in for 30 seconds
after lighting pilot.After 30 seconds, release
control knob.
Note: If pilot goes out, repeat steps 3
through 7. This replace has a safety inter-
lock system. Wait one (1) minute for system
to reset before lighting pilot again.
• If control knob does not pop out when
released, contact a qualied service person
or gas supplier for repairs.
8. Turn control knob counterclockwise
to desired heating level. The burners should
light. Set control knob to any heat level
between HI and LO.
CAUTION: Do not try to ad-
TO TURN OFF GAS
Turn control knob clockwise to the OFF
position.
Turn control knob clockwise to the
PILOT position.
Figure 27 - Pilot
Ignitor Electrode Pilot Burner
THERMOSTAT CONTROL
You can set the thermostat control knob to any
comfort level between HI and LO. The thermo-
stat will gradually modulate the heat output
and ame height from higher to lower settings
or pilot, in order to maintain the comfort level
you select. The ideal comfort setting will vary
by household depending upon the amount of
space to be heated, the output of the central
heating system, etc.
Note: Selecting the HI setting will cause the
burner to remain on without modulating down
in most cases.
MANUAL LIGHTING
1. Follow steps 1 through 5 under Lighting
Instructions, page 19.
2. Depress control knob and light pilot with
match.
3. Keep control knob pressed in for 30 seconds
after lighting pilot.After 30 seconds, release
control knob. Now follow step 8 under
Lighting Instructions, column 1.
REMOTE CONTROL MODELS
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not fol-
low these instructions exactly,
-
A. This appliance has a pilot which must be
lighted by hand. When lighting the pilot,
follow these instructions exactly.
B. BEFORE LIGHTING smell all around the
appliance area for gas. Be sure to smell next
to the oor because some gas is heavier than
air and will settle on the oor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call
the re department.
This manual suits for next models
3
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