UNVENTED (VENT-FREE) GAS
COMPACT CLASSIC HEARTH® FIREPLACE
TM
OWNER’S OPERATION AND INSTALLATION MANUAL
Thermostat Models:
VMH10TPB, VMH10TNB,
EFS10TP and EFS10TN
Remote-Ready Models:
VMH26PRA, VMH26NRA,
EFS26PR and EFS26NR
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
manual for correct installation and
operational procedures. For assistance or additional information
consult a qualified installer, service agency, or the gas supplier.
• 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 fire
department.
— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxygen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided. Refer to
Combustion and Ventilation
Air for
sec-
tion on page 6 of this manual.
This appliance may be installed in an aftermarket,* manufactured (mobile) home, where not
prohibited by local codes.
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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
Save this manual for future reference.
TABLE OF CONTENTS
SAFETY INFORMATION
2
TABLE OF CONTENTS
SAFETY INFORMATION ............................................................ 2
IMPORTANT: Read this owner’s manual carefully and
completely before trying to assemble, operate, or service this fireplace. Improper use of this fireplace can
cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
CLEANING AND MAINTENANCE ............................................ 28
OWNER'S REGISTRATION FORM .......................................... 41
WARRANTY INFORMATION...................................... Back Cover
WARNING: Do not allow fans to blow directly into
the fireplace. Avoid any drafts that alter burner flame
patterns. Ceiling fans can create drafts that alter
burner flame patterns. Altered burner patterns can
cause sooting.
DANGER: Carbon monoxide poisoning may lead
to death!
Carbon Monoxide Poisoning: Early signs of carbon monoxide
poisoning resemble the flu, with headaches, dizziness, or nausea.
If you have these signs, the fireplace may not be working properly.
Get fresh air at once! Have fireplace 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 influence of alcohol, and those at high altitudes.
Natural and Propane/LP Gas: Natural and propane/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 fireplace.
WARNING: Any change to this fireplace or its
controls can be dangerous.
WARNING: Do not use a blower insert, heat
exchanger insert, or other accessory not approved
for use with this fireplace.
Due to high temperatures, the appliance should be
located out of traffic and away from furniture and
draperies.
Do not place clothing or other flammable material on
or near the appliance. Never place any objects on
the heater.
Fireplace front and screen become very hot when
running heater. Keep children and adults away from
hot surfaces to avoid burns or clothing ignition.
Fireplace will remain hot for a time after shutdown.
Allow surfaces to cool before touching.
Carefully supervise young children when they are in
the room with fireplace. When using the hand-held
remote accessory (Remote-Ready Models Only), keep
selector switch in the OFF position to prevent children from turning on burners with remote.
You must operate this fireplace with the fireplace
screen in place. Make sure fireplace screen is closed
before running fireplace.
Keep the appliance area clear and free from combustible materials, gasoline, and other flammable vapors
and liquids.
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SAFETY INFORMATION
Continued
SAFETY INFORMATION
PRODUCT IDENTIFICATION
3
3
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) inside any structure.
Locate propane/LP supply tank(s) outdoors.
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 fire department
4.This fireplace shall not be installed in a bathroom. RemoteReady Models shall not be installed in a bedroom.
5.Do not use this fireplace as a wood-burning fireplace. Use only
the logs provided with the fireplace.
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 fireplace.
7.This fireplace is designed to be smokeless. If logs ever appear
to smoke, turn off fireplace and call a qualified service person.
Note:
During initial operation, slight smoking could occur due
to log curing and fireplace burning manufacturing residues.
8.To prevent the creation of soot, follow the instructions in Clean-ing and Maintenance, page 28.
9.Before using furniture polish, wax, carpet cleaner, or similar
products, turn fireplace off. If heated, the vapors from these
products may create a white powder residue within burner box
or on adjacent walls or furniture.
10. This fireplace needs fresh air ventilation to run properly. This
fireplace has an Oxygen Depletion Sensing (ODS) safety shutoff
system. The ODS shuts down the fireplace if not enough fresh
air is available. See Air for Combustion and Ventilation, pages 6
through 8. If fireplace keeps shutting off, see Troubleshooting,
pages 29 through 31.
11. Do not run fireplace
• where flammable liquids or vapors are used or stored.
• under dusty conditions.
12. Do not use this fireplace to cook food or burn paper or other
objects.
13. Never place any objects in the fireplace or on logs.
14. Do not use fireplace if any part has been under water. Immediately call a qualified service technician to inspect the room
fireplace and to replace any part of the control system and any
gas control which has been under water.
15. Turn off and unplug fireplace and let cool before servicing. Only
a qualified service person should service and repair fireplace.
16. Operating fireplace above elevations of 4,500 feet could cause
pilot outage.
17. Do not operate fireplace if any log is broken. Do not operate
fireplace if a log is chipped (dime-sized or larger).
18. T o prevent performance problems, do not use propane/LP fuel
tank of less than 100 lbs. capacity.
19. Provide adequate clearances around air openings.
There are four optional remote controls that can be purchased
separately for Remote-Ready Models only:
• wall switch• hand-held ON/OFF remote
• wall thermostat• hand-held thermostat remote
See Accessories, pages 38 and 39.
LOCAL CODES
Install and use fireplace with care. Follow all local codes. In the
absence of local codes, use the latest edition of The National FuelGas 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
UNPACKING
1.Remove log box and fireplace from carton.
fireplace hood is inside the cardboard protective end wrap on
the left side of fireplace (as viewed from front). A decal is on
the outside of the cardboard end wrap stating hood is enclosed
(see Figure 2).
2.Remove hood from cardboard protective end wrap as shown
in Figure 2.
3.Remove all protective packaging applied to fireplace for
shipment.
4.Make sure your fireplace includes one hardware packet.
5.Check fireplace for any shipping damage. If fireplace is damaged, promptly inform dealer where you bought fireplace.
Hood
Enclosed
Decal
IMPORTANT:
THIS PACKAGE CONTAINS A
FIREPLACE HOOD. UNWRAP
CARTON AND REMOVE HOOD
BEFORE DISCARDING
PROTECTIVE PACKAGING.
IMPORTANT:
Cardboard
Protective
Fireplace End
Wrap
The
PRODUCT FEATURES
SAFETY PILOT
This fireplace has a pilot with an Oxygen Depletion Sensing (ODS)
safety shutoff system. The ODS/pilot is a required feature for vent-free
room fireplaces. The ODS/pilot shuts off the fireplace if there is not
enough fresh air.
PIEZO IGNITION SYSTEM
This fireplace has a piezo ignitor. This system requires no matches,
batteries, or other sources to light fireplace.
THERMOSTATIC HEAT CONTROL FOR
THERMOSTAT-CONTROLLED MODELS
Thermostat-Controlled models have a thermostat sensing bulb and
a control valve. The thermostat will automatically modulate the heat
output to maintain a consistent room temperature. This results in
greater fireplace comfort. This can also result in lower gas bills.
2
1
Hood
Figure 2 - Removing Fireplace Hood
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ASSEMBLY
WARNING: Always have branch support and
screen in place before operating fireplace. This prevents excessive temperatures on fireplace surfaces.
WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts
specifically approved with this fireplace may result in
property damage or personal injury.
ASSEMBLING FIREPLACE
Tools Required:
• Phillips screwdriver
• 5/16" hex wrench
• slotted screwdriver
• scissors
1.Remove two screws that hold fireplace screen in place for shipping. These screws are located near top of screen. Discard
screws. Lift fireplace screen up and pull out to remove. Set
screen aside until installation has been completed.
2.Cut two plastic straps to remove the log from the firebox cavity.
3.An optional blower is available. See Accessories, pages 38 and
39. Install optional blower now. Follow installation instructions provided with blower. See page 12 for Remote-Ready
Models or page 14 for Thermostat-Controlled Models.
Assembling Fireplace
ASSEMBLY
5
5
4.Locate four black phillips sheet metal screws from the hardware packet.
5.Rotate hood as shown in Figure 4. Make sure hood tabs
point toward fireplace.
6.Insert hood tabs between baffle and louvers (see Figure 4).
7.Gently rotate hood to upright position. Make sure hood tabs
are behind louvers and hood is resting on firebox top (see
Figure 4).
8.Align screw holes on hood with screw holes on firebox top.
9.Insert screws as shown in Figure 4. Tighten screws firmly.
Hood Tabs
Hood
Louver
Shoulder
Screw
Screen
Burner Support With
Log Locator Tabs
Figure 3 - Removing Screen
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Branch
Support
Sheet Metal Screws
Figure 4 - Assembling Hood
Hood Tab
Baffle
Firebox Top
AIR FOR COMBUSTION AND VENTILATION
6
Providing Adequate Ventilation
Determining Fresh-Air Flow for Fireplace Location
AIR FOR COMBUSTION AND
VENTILATION
WARNING: This fireplace shall not be installed in
a confined space or unusually tight construction
unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and
other fuel-burning appliances in your home.
Today’s homes are built more energy efficient 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 efficient, 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, fireplaces, 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.
PROVIDING ADEQUATE 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 following ventilation
classifications:
1.Unusually Tight Construction
2.Unconfined Space
3.Confined Space
The information on pages 6 through 8 will help you classify your
space and provide adequate ventilation.
Unusually Tight Construction
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.
Unusually tight construction is defined as construction
where:
a.walls and ceilings e xposed to the outside atmosphere
have a continuous water vapor retarder with a rating
of one perm (6 x 10
openings gasketed or sealed
b. weather stripping has been added on openable win-
dows and doors
-11
kg per pa-sec-m2) or less with
and
and
c. caulking or sealants are applied to areas such as
joints around window and door frames, between sole
plates and floors, between wall-ceiling joints, between
wall panels, at penetrations for plumbing, electrical,
and gas lines, and at other openings.
If your home meets all of these three criteria, you
must provide ad ditional fresh air. See
From Outdoors
If your home does not meet all of the three criteria above,
proceed to
Location,
Determining Fresh-Air Flow For Fireplace
below.
, page 8
.
Ventilation Air
Confined and Unconfined Space
The National Fuel Gas Code, ANSI Z223.1/NFPA 54 defines a
confined 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 unconfined 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 communicating directly with the
space in which the appliances are installed*, through openings not
furnished with doors, are considered a part of the unconfined space.
* Adjoining rooms are communicating only if there are doorless
passageways or ventilation grills between them.
DETERMINING FRESH-AIR FLOW FOR
FIREPLACE LOCATION
Determining if You Have a Confined or
Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space.
Space: Includes the room in which you will install fireplace plus any adjoining
rooms with doorless 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:
height) = 1792 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills or open-
ings, 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 = (Maximum Btu/Hr the space
Example:
Btu/Hr the space can support)
Space size 16 ft. (length) x 14 ft. (width) x 8 ft. (ceiling
can support)
1792 cu. ft. (volume of space) x 20 = 35,840 (maximum
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AIR FOR COMBUSTION AND
VENTILATION
Continued
Determining Fresh-Air Flow for Fireplace Location (Cont.)
AIR FOR COMBUSTION AND VENTILATION
Ventilation Air
7
7
3.Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free fireplace_____________ Btu/Hr
Gas water heater*_____________ Btu/Hr
Gas furnace_____________ Btu/Hr
Vented gas heater_____________ Btu/Hr
Gas fireplace logs_____________ Btu/Hr
Other gas appliances* + _____________ Btu/Hr
Total = _____________ Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.
Example:
Gas water heater_____________ Btu/Hr
Vent-free fireplace+ _____________ Btu/Hr
Total= _____________ Btu/Hr
30,000
10,000
40,000
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:
35,840 Btu/Hr (maximum the space can support)
40,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the above example is a confined space because the actual Btu/
Hr used is more than the maximum 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 adjoining room. If the
extra space provides an unconfined space, remove door to adjoining
room or add ventilation grills between rooms. See V entilation Air Fr omInside Building.
B. Vent room directly to the outdoors. See Ventilation Air From Out-
doors, page 8.
C. Install a lower Btu/Hr fireplace, if lower Btu/Hr size makes room
unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support,
the space is an unconfined space. You will need no additional fresh air ventilation.
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space.
When ventilating to an adjoining unconfined space, you must
provide two permanent openings: one within 12" of the ceiling and
one within 12" of the floor on the wall connecting the two spaces
(see options 1 and 2, Figure 5). You can also remove door into
adjoining room (see option 3, Figure 5). 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.
12"
Ventilation Grills
Ventilation
Grills
into Adjoining
Room,
Option 1
Or
Remove
Door into
Adjoining
Room,
Option 3
Figure 5 - Ventilation Air from Inside Building
Into Adjoining Room,
12"
Option 2
WARNING: If the area in which the fireplace may
be operated is smaller than that defined as an unconfined space or if the building is of unusually tight
construction, provide adequate combustion and ventilation air by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1/NFPA 54 Section 5.3
107032
or applicable local codes
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.
AIR FOR COMBUSTION AND VENTILATION INSTALLATION
8
Ventilation Air (Cont.)
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 floor. 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:
attic if attic has a thermostat-controlled power vent. Heated air
entering the attic will activate the power vent.
Outlet
Air
Do not provide openings for inlet or outlet air into
Outlet
Air
Ventilated
Attic
To Attic
INSTALLATION
NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary
heating system. Do not install this heater as your
primary heat source. If you have a central heating
system, you may run system’s circulating blower
while using heater. This will help circulate the heat
throughout the house. In the event of a power outage,
you can use this heater as your primary heat source.
WARNING: A qualified service person must in-
stall fireplace. Follow all local codes.
WARNING: Never install the fireplace
• in a bathroom
• in a recreational vehicle
• where curtains, furniture, clothing, or other flam-
mable objects are less than 36 inches from the
front, top, or sides of the fireplace
• as a fireplace insert
• in high traffic areas
• in windy or drafty areas
Inlet
Air
Inlet Air
Figure 6 - Ventilation Air from Outdoors
Ventilated
Crawl Space
To
Crawl
Space
WARNING: Never install the Remote-Ready Models in this manual in a bedroom. Any heating product
with a Btu/hr rating over 10,000 cannot be used in a
bedroom.
CAUTION: This fireplace creates warm air currents. These currents move heat to wall surfaces next
to fireplace. Installing fireplace next to vinyl or cloth
wall coverings or operating fireplace where impurities
(such as, but not limited to, tobacco smoke, aromatic
candles, cleaning fluids, oil or kerosene lamps, etc.) in
the air exist, may discolor walls or cause odors.
IMPORTANT:
this is beneficial, installing fireplace in rooms without enough ventilation air may cause mildew to form from too much moisture. See Air forCombustion and Ventilation, pages 6 through 8.
Note:
Your fireplace 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 fireplace,
except where standoff spacers are integrally attached. If standoff
spacers are attached to your fireplace, these spacers can be placed
directly against wall or framing materials.
Note:
When installing fireplace directly on carpeting, tile or other
combustible material, other than wood flooring, the fireplace shall
be installed on a metal or wood panel extending the full width and
depth of the fireplace.
Vent-free fireplaces add moisture to the air. Although
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INSTALLATION
Continued
INSTALLATION
Check Gas Type
Installation Items
Fireplace Clearances
9
9
Use the dimensions shown for rough openings to create the easiest
installation (see Built-In Fireplace Installation, page 10).
CHECK GAS TYPE
Use the correct gas type (natural or propane/LP) for your unit. If
your gas supply is not correct, do not install fireplace. Call dealer
where you bought fireplace for proper type fireplace.
INSTALLATION ITEMS
Before installing fireplace, make sure you have the items listed
below.
• external regulator (supplied by installer, for propane/LP units only)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection*
• ground joint union
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge connection. Purchase
the optional CSA design-certified equipment shutoff valve from
your dealer. See Accessories, pages 38 and 39.
Note:
If desired, purchase a four-sided brass trim kit for built-in
installations. See Accessories, pages 38 and 39.
CAUTION: If you install the fireplace in a home
garage
• fireplace pilot and burner must be at least 18
inches above floor.
• locate fireplace where moving vehicle will not hit it.
For convenience and efficiency, install fireplace
• where there is easy access for operation, inspection, and service
• in coldest part of room
An optional blower kit is available from your dealer. See Accesso-
ries, pages 38 and 39. If planning to use blower, follow instructions
provided with blower for power source.
Minimum Clearances For Side Combustible
Material, Side Wall, and Ceiling
A. Clearances from the side of the fireplace cabinet to any com-
bustible material and wall should follow diagram in Figure 7.
Example:
combustible material and protrudes 3 1/2" from the wall. This
combustible material must be 4" from the side of the fireplace
opening (see Figure 7).
B. Clearances from the top of the fireplace opening to the ceiling
should not be less than 36 inches.
C. For mantel clearances, see Figure 11 on page 11.
The face of a mantel, bookshelf, etc. is made of
FIREPLACE CLEARANCES
WARNING: Maintain the minimum clearances
shown in Figure 7. If you can, provide greater clearances from floor, ceiling, and joining wall.
NOTICE: If you install the fireplace in a bedroom
(Thermostat-Controlled Models only), some building
codes require that the fireplace/mantel system be
secured to (or within) a wall. You can position fireplace in an optional cabinet or corner mantel. You can
also recess fireplace into the wall.
If your fireplace is to be used with an optional mantel, the
installation instructions included with your mantel shows an CSA
approved method of attaching the fireplace/mantel system to a
wall.
IMPORTANT:
specified in this manual. Purchase the optional mantel from your
dealer (see Accessories, pages 38 and 39).
If your fireplace is to be recessed into the wall, see Built-In FireplaceInstallation on page 10 to secure your fireplace into the wall.
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Only use optional cabinet or corner mantels
MINIMUM CLEARANCE TO
COMBUSTIBLE MATERIALS
TopLeft andBottom
Right Sidesand Rear
36"6"0"
Example
*
*Minimum 16 inches from Side Wall
Figure 7 - Minimum Clearance for Combustible to Wall
INSTALLATION
10
Built-In Fireplace Installation
INSTALLATION
Continued
BUILT-IN FIREPLACE INSTALLATION
Built-in installation of this fireplace involves installing fireplace
into a framed-in enclosure. This makes the front of fireplace flush
with wall. An optional brass trim kit accessory is available (see
Accessories, pages 38 and 39). Brass trim will extend past sides of
fireplace approximately 1/2 inch. This will cover the rough edges of
the wall opening. If installing a built-in mantel above the fireplace,
you must follow the clearances shown in Figure 11, page 11. Follow
the instructions below to install the fireplace in this manner.
ActualFraming
Height26"26
Front Width26 3/4"26 7/8"
Depth9 1/2"10 1/2"
Bottom3/4"3/4"
1.Frame in rough opening. Use dimensions shown in Figure 8 for
the rough opening. If installing in a corner, use dimensions
shown in Figure 9 for the rough opening. The height is 26 7/8"
which is the same as the wall opening above.
2.If installing GA3450T blower accessory, do so at this time.
Follow instructions included with blower accessory.
Note:
If not installing blower accessory , you may wish to run
electrical wiring to your fireplace for future blower installation (see Accessories, pages 38 and 39). Use only approved
three-wire electrical wiring.
1
10
/
2
"
7
/
8
"
26
7
/8"
WARNING: If pre-wiring, do not connect wiring to
any electrical source at this time.
Install fireplace electrical outlet and connect wiring
to outlet before connecting to electrical source. The
fireplace electrical outlet is included with the GA3450T
blower accessory.
Only use the fireplace electrical outlet supplied with
the GA3450T blower accessory.
Note:
A qualified installer should make all electrical connections.
3.Install gas piping to fireplace location. This installation includes
an approved flexible gas line (if allowed by local codes) after
the equipment shutoff valve. The flexible gas line must be the
last item installed on the gas piping.
4.If you have not assembled firebox, follow instructions on page 5.
5.Carefully set fireplace in front of rough opening with back of
fireplace inside wall opening.
6.Attach flexible gas line to fireplace gas regulator. See Con-necting Fireplace to Gas Supply, page 18.
7.Bend four nailing flanges on outer casing with pliers (see
Figure 10).
8.Attach fireplace to wall studs using nails or wood screws
through holes in nailing flange.
9.Check all gas connections for leaks. See Checking Gas Con-nections, page 19.
10. If using optional brass trim kit, install the trim after final finishing and/or painting of wall. See instructions included with
brass trim accessory for attaching brass trim.
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 edge of the firebox.
Combustible materials should never overlap the firebox front facing.
3/4" Off
26
7
/
8
"
The Floor
Minimum
Figure 8 - Rough Opening for Installing in Wall
5
36
/
8"
7
/
8"
26
3
/
4"
51
25
7
/
8"
Figure 9 - Rough Opening for Installing in Corner
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Wall Studs
Nails or
Wood
Screws
Nailing
Flanges
Figure 10 - Attaching Fireplace to Wall Studs
107032
INSTALLATION
Continued
Built-In Fireplace Installation (Cont.)
INSTALLATION
Optional Mantel Installation
11
11
WARNING: Do not allow any combustible materi-
als to overlap the firebox front facing.
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 noncombustible materials
to cover any necessary openings like louvered slots.
WARNING: Never modify or cover the louvered
slots on the front of the firebox.
WARNING: Use only noncombustible mortar or
adhesives when overlapping the front facing with
noncombustible facing material.
Mantel Clearances for Built-In Installation
If placing mantel above built-in fireplace, you must meet minimum
clearance between mantel shelf and top of fireplace opening.
NOTICE: Surface temperatures of adjacent walls and
mantels become hot during operation. Walls and
mantels above the firebox may become hot to the
touch. If installed properly, these temperatures meet
the requirement of the national product standard.
Follow all minimum clearances shown in this manual.
Mantel Shelf
Note:
All vertical
measurements
are from top of
fireplace
opening to
bottom of
mantel shelf. All
measurements
are in inches.
10"
8"
6"
2 1/2"
NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the
following:
• raise the mantel to an acceptable height
• remove the mantel
OPTIONAL MANTEL INSTALLATION
Note:
Refer to instructions provided with the mantel for assembly
instructions. Refer to the following instructions for system installation. Refer to instructions on page 5 for fireplace assembly. Blower
accessory should be installed if it is being used (see InstallingBlower Accessory GA3450T, pages 12 through 16).
1.Unscrew four brass screws that attach top louver to fireplace.
Remove louver from fireplace and set aside.
2.Place fireplace on wood base.
3.Place mantel around fireplace/base assembly.
4.Assemble brass trim kit. See Assembling Brass T rim, page 12.
5.Firmly snap brass trim kit on shoulder screws. Shoulder screws
are located on fireplace cabinet (see Figure 12).
6.Align brass trim kit for flush fit around opening.
7.Use two 3" wood screws provided and attach fireplace base to
wooden base (see Figure 12).
8.Place base assembly next to wall at installation location.
9.Remove brass trim kit and mantel. Be careful not to damage
wall or mantel.
Hole for 3"
Wood Screw
for Attaching
Fireplace to
Mantel
Shoulder Screws
13"
16"
21"
19"
Side of Firebox
Figure 11 - Minimum Mantel Clearances for Built-In Installation
10. Attach wood base to floor with two 1 3/4" black screws provided (see Figure 13). If the floor is concrete use anchor method
(see Attaching Wood Base to Solid Floor, page 17).
11. Install gas line. See Connecting To Gas Supply, pages 17 and 18.
12. Check for leaks. See Checking Gas Connections, page 19.
13. Place mantel around fireplace. Be careful not to damage wall
or mantel.
14. Place brass trim kit on the shoulder screws located on the side
and top of the fireplace. Firmly snap the brass trim over the
shoulder screws on fireplace (see Figure 12, page 11).
15. Adjust assembly to remove any gaps. Attach remaining two 3"
wood screws from hardware pack through openings inside of
fireplace sides into the mantel. The openings are located at top
behind the area for the brass louvers (see Figure 12, page 11).
16. Reinstall top brass louvers.
1 3/4" Screw
Wood Base
Figure 13 - Attaching Wood Base to Floor
INSTALLING OPTIONAL BLOWER ACCESSORY
GA3450T IN REMOTE-READY MODELS
Removing Upper Louver Assembly and Branch
Support
To install the blower accessory, you must first remove the upper
louver assembly.
1.Lift screen off fireplace and remove log set if installed.
2.Remove 2 screws from each side of branch support and pull
branch support out (see Figure 15).
3.Remove 4 brass-plated screws from upper louver assembly
(see Figure 15). Save these screws.
4.Pull upper louver assembly straight out from the cabinet. Be careful not to scratch the paint. Set louver assembly and screws aside.
5.Open lower louver door by swinging door down (see Figure 16,
page 13).
Blower Bracket
Mounting Holes
Upper Louver
Assembly
Assembling Brass Trim (Brass trim shipped with
mantel)
1.Remove packaging from three remaining pieces of brass trim.
2.Locate two adjusting plates with set screws, and two shims
in the hardware packet.
3.Align shim under adjusting plate as shown in Figure 14.
4.Slide one end of adjusting plate/shim in slot on mitered edge
of top brass trim (see Figure 14).
5.Slide other end of adjusting plate/shim in slot on mitered edge
of side brass trim (see Figure 14).
6.While firmly holding edges of brass trim together, tighten both
set screws on the adjusting plate with slotted screwdriver.
7.Repeat steps 1 through 6 for other corner.
8.Set brass assembly aside for later installation.
Set
Screws
Adjusting
Plate
Shim
Side Brass Trim
Figure 14 - Assembling Brass Trim
Slot
Top Brass Trim
Mitered Edge
Branch Support
Figure 15 - Removing Upper Louver Assembly and Branch
Support
Installing Blower Accessory
CAUTION: Label all wires prior to disconnection
when servicing controls. Wiring errors can cause
improper and dangerous operation.
CAUTION: Verify proper operation after servicing.
Note:
If you are using a mantel with your fireplace, use the
following instructions. If your fireplace is built-in, see For Built-InInstallation on pages 13 and 14.
1.Install snap bushings found in hardware kit into both holes in
rear of valve cover shield.
2.Make sure the wire harness is firmly connected to the terminals on the blower bracket assembly.
For more information, visit www.desatech.com
For more information, visit www.desatech.com
107032
INSTALLATION
Continued
Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.)
INSTALLATION
13
13
3.Note the wire locations on back of AUTO/OFF/ON switch.
The terminals on back of switch are numbered 1, 2, and 3.
Carefully remove red wire from terminal 3 and blue wire from
terminal 1. Black wire can remain on middle terminal 2 (see
Figure 16).
4.Carefully disconnect green and white wires at their insulated
connectors (see Figure 17).
5.In top of the fireplace cabinet, locate the four mounting holes
on the outer casing. Align these four holes with those on the
blower bracket assembly. Attach blower bracket assembly to
the outer casing with 4 #10 screws provided (see Figure 16).
6.Route the wire harness through the hole in left side of baffle.
Pull wire harness through lower opening on the side of the
valve cover shield. (see Figure 16).
7.Insert the 4 wire harnesses into one of the round holes in the rear
of the valve cover shield and through the rectangular hole in the
front of shield (see Figure 16).
8.Reconnect red wire to switch position 3. Reconnect blue wire
to switch position 1. Reconnect green and white wires.
Screw
Blower Bracket
Assembly
Wire
Harness
Wiring Routing
Hole in Baffle
Baffle
Blower
Mounting
Holes
9.Install the switch plate on the valve cover shield with 2 #10
screws provided (see Figure 18). Route power cord out of the
cabinet by inserting it through the bushing on the outer casing
(see Figure 16). Plug fan kit into 120-V olt grounded power supply and test operation.
Note:
When switch is in the AUTO position, the fan will start after the fireplace has run for a few moments. The fan will continue to run for several moments after
the fireplace has been turned off. When switch is in the ON
position, the fan will run until turned to OFF. Reinstall upper
louver assembly (see Figure 15, page 12) and branch support.
Close lower louver door.
Fan Switch
(Auto/Off/On)
Off
110/115
V.A.C.
Black
White
Green
Figure 17 - Wiring Diagram For Blower Accessory Standard
Installation
Auto
1
2
3
On
Red
Blue
Thermostat
Switch
(N.O.)
Blue
Red
White
Green
Blower
Motor
Valve Cover
Shield
Switch
Power Cord
Snap
Bushing
3
2
1
Switch
Blue
Plate
Red
Black
Wire
Harness
Valve
Cover
Shield
Lower Louver Door
Figure 16 - Installing Blower Bracket Assembly
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For more information, visit www.desatech.com
107032
Switch
Plate
Screw
Figure 18 - Installing Switch Plate to Valve Cover Shield
For Built-In Installation
WARNING: A licensed electrician must connect the
wiring harness to electrical supply following all local
codes. Electrician must provide a clamp on the box
cover to secure the wiring. Wiring should be routed
through the bushing in the hole on the outer casing of
fireplace.
1.Install a snap bushing found in hardware kit into one of the holes
on rear of valve cover shield. The other hole is for a strain relief
clamp (not supplied) to secure incoming electrical supply.
2.Follow steps 2 through 6 in Installing Blower Accessory, pages
12 and 13.
INSTALLATION
14
Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.)
Installing Blower Accessory GA3450T in Thermostat-Controlled Models
INSTALLATION
Continued
3.A licensed electrician must follow the wiring diagram to connect incoming electrical supply to fan kit wiring harness (see
Figure 19).
4.Plug power cord to the outlet receptacle (not provided) as shown
in Figure 20. Wind the extra cable in power cord and and tie it
up with the plastic wire strap (see Figure 20). Set the cable
bundle between the burner bracket and outer casing, away from
the burner.
5.Test to make sure the blower is working properly.
6.Reinstall upper louver assembly (see Figure 15, page 12) and
close lower louver.
Fan Switch
(Auto/Off/On)
Off
110/115
V.A.C.
Black
White
Green
Figure 19 - Wiring Diagram For Blower Accessory Built-In
Installation
Auto
1
2
3
On
Red
Blue
Thermostat
Switch
(N.O.)
Blue
Red
White
Green
Blower
Motor
Extension Cord
Use extension cord if needed. The cord must have a three-prong,
grounding plug and a three-hole receptacle. Make sure cord is in good
shape. It must be heavy enough to carry the current needed. An
undersized cord will cause a drop in line voltage. This will result in
loss of power and overheating. Use a No. 16 AWG cord for lengths
less than 50 feet.
INSTALLING OPTIONAL BLOWER
ACCESSORY GA3450T IN THERMOSTATCONTROLLED MODELS
Removing Upper Louver Assembly
To install the blower accessory, you must first remove the upper
louver assembly.
1.Remove 4 screws from upper louver assembly (see Figure 21).
Save these screws.
2.Pull upper louver assembly straight out from the cabinet. Be careful not to scratch the paint. Set louver assembly and screws aside.
Blower Bracket
Mounting Holes
Blower Bracket
Assembly
Wire Harness
Screw
Switch
Switch
Plate
Blue
Power
Cord
Outlet Receptacle
(Not Supplied)
Black
Red
Plastic
Wire Strap
Wire Harness
Clamp Connector
(not included)
Lower Louver Door
Figure 20 - Installing Blower Bracket Assembly
Brass
Screws
Figure 21 - Removing Upper Louver Assembly
Upper Louver
Assembly
For more information, visit www.desatech.com
For more information, visit www.desatech.com
107032
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