Vanguard Heating Indoor Fireplace VSGF28NTC User Manual

®
UNVENTED (VENT-FREE)  
NATURAL GAS FIREPLACE  
OWNER’S OPERATION AND INSTALLATION MANUAL  
Variable Manually-  
Controlled Model  
VSGF28NVA  
Thermostatically-  
Controlled Model  
VSGF28NTC  
with  
Split Oak Logs  
Shown with optional  
cabinet mantel,  
hearth base, and trim  
accessories.  
WARNING: Improper installa-  
WARNING: If the information in this manual is not  
tion,adjustment,alteration,ser-  
followed exactly, a fire or explosion may result  
vice,ormaintenancecancause  
causing property damage, personal injury, or  
injury or property damage. Re-  
loss of life.  
fer to this manual for correct  
— Do not store or use gasoline or other  
flammable vapors and liquids in the vicinity of  
this or any other appliance.  
installation and operational  
procedures. For assistance or  
additional information consult  
a qualified installer, service  
agency, or the gas supplier.  
— WHAT TO DO IF YOU SMELL GAS  
• 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.  
WARNING:Thisisanunvented  
gas-fired heater. It uses air  
(oxygen) from the room in  
whichitisinstalled.Provisions  
for adequate combustion and  
ventilation air must be pro-  
vided. Refer to Air for Com-  
bustion and Ventilation sec-  
tion on page 4 of this manual.  
• 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.  
This appliance may be installed in an aftermarket*, permanently located, manufac-  
tured (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.  
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OWNER’S MANUAL  
PRODUCT  
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 Fuel Gas  
Code ANS Z223.1, also known as NFPA 54*.  
IDENTIFICATION  
Crossover Log  
Rear Log  
Middle Log  
*Available from:  
American National Standards Institute, Inc.  
1430 Broadway  
New York, NY 10018  
National Fire Protection Association, Inc.  
Batterymarch Park  
Quincy, MA 02269  
Rear  
Burner  
UNPACKING  
Front Burner  
Front Log  
WARNING: Do not remove  
the metal data plates attached to  
the heater base assembly. The  
data plates contain important  
warranty information.  
Base Assembly  
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 in the packing on the  
right hand side of the heater front. Lift  
the heater off the bottom tray.  
Figure 1 - Log Base Assembly, Split Oak Set  
Top Outer  
Casing  
2. Locate two screws above top corners  
of the fireplace screen. Remove and  
discard these screws. Lift fireplace  
screen up and pull out to remove.  
Top Louver  
Assembly  
Fireplace  
Hood  
3. Remove protective packaging applied to  
logs, log base assembly, and fireplace.  
Firebox Support  
4. Remove fireplace hood from carton  
insert.  
5. Check all items for any shipping dam-  
age. If damaged, promptly inform  
dealer where you bought fireplace.  
Optional Blower  
Assembly  
(Not Included)  
Screen  
Assembly  
Bottom  
Louver  
Assembly  
Figure 2 - Fireplace  
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UNVENTED NATURAL GAS FIREPLACE  
Unusually tight construction is de-  
fined as construction where:  
PRODUCT  
AIR FOR  
FEATURES  
COMBUSTION AND  
VENTILATION  
a. walls and ceilings exposed to the  
outside atmosphere have a con-  
tinuous water vapor retarder with  
a rating of one perm (6 x 10-11 kg  
per pa-sec-m2) or less with open-  
ings gasketed or sealed and  
b. weather stripping has been  
added on openable windows and  
doors and  
c. caulking or sealants are applied  
to areas such as joints around  
window and door frames, be-  
tween sole plates and floors, be-  
tween wall-ceiling joints, be-  
tween wall panels, at penetra-  
tions for plumbing, electrical, and  
gas lines, and at other openings.  
If your home meets all of the three  
criteria above, you must provide ad-  
ditional fresh air. See Ventilation Air  
From Outdoors, page 6.  
OPERATION  
This vent-free fireplace is clean burning. It  
requiresnooutsideventing. Thereisnoheat  
loss out a vent or up a chimney. Heat is  
generatedbybothrealisticflamesandglow-  
ing embers. When used without the blower,  
the fireplace requires no electricity making  
it ideal for emergency backup heat.  
WARNING: This heater shall  
notbeinstalledinaconfinedspace  
or unusually tight construction  
unless provisions are provided  
foradequatecombustionandven-  
tilation air. Read the following in-  
structions to insure proper fresh  
air for this and other fuel-burning  
appliances in your home.  
SAFETY DEVICE  
This fireplace has a pilot with an Oxygen  
Depletion Sensing (ODS) safety shutoff sys-  
tem. The ODS/pilot is a required feature for  
vent-freeroomheaters.TheODSsystemshuts  
offthefireplaceifthereisnotenoughfreshair.  
Today’s homes are built more energy effi-  
cient than ever. New materials, increased  
insulation, and new construction methods  
helpreduceheatlossinhomes. Homeowners  
weather strip and caulk around windows and  
doorstokeepthecoldairoutandthewarmair  
in. During heating months, home owners  
want their homes as airtight as possible.  
PIEZO IGNITION SYSTEM  
This fireplace has a piezo ignitor. This sys-  
tem requires no matches, batteries, or other  
sources to light fireplace.  
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 com-  
bustion and ventilation.  
If your home does not meet all of the  
three criteria above, proceed to Deter-  
mining Fresh-Air Flow for Fireplace  
Location on page 5.  
BLOWER ASSEMBLY  
(VSGF28NTC)  
This fireplace has a blower assembly. The  
blower operates thermostatically and has a  
variable speed control. The blower circu-  
lates heated air from the fireplace into the  
room. Use of blower is optional. Optional  
blower accessories are available for model  
VSGF28NVA.  
Confined Space and Unconfined  
Space  
Exhaustfans, fireplaces, clothesdryers, and  
fuel burning appliances draw air from the  
house to operate. You must provide ad-  
equate fresh air for these appliances. This  
will insure proper venting of vented fuel-  
burning appliances.  
The National Fuel Gas Code ANS Z223.1  
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 aggre-  
gate 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  
whichtheappliancesareinstalled*,through  
openings not furnished with doors, are con-  
sidered a part of the unconfined space.  
THERMOSTAT CONTROL  
(VSGF28NTC)  
PROVIDING ADEQUATE  
VENTILATION  
The following are excerpts from National  
Fuel Gas Code, NFPA 54/ANS Z223.1, Sec-  
tion5.3, AirforCombustionandVentilation.  
This fireplace has a thermostat sensing bulb  
and a control valve. The thermostat controls  
the heat output and flame height. This main-  
tains a consistent room temperature. Even the  
lowest setting provides realistic flames and  
glowing embers from two burners. Selecting  
highercomfortsettingsallowsfireplacetorun  
longer,producinggreaterheatoutput.Atlower  
comfort settings, the fireplace will run less.  
Thisresultsinincreasedheatingcomfort.This  
can also result in lower gas bills.  
All spaces in homes fall into one of the three  
following ventilation classifications:  
1. Unusually Tight Construction  
2. Unconfined Space  
This heater shall not be installed in a con-  
fined space or unusually tight construction  
unless provisions are provided for adequate  
combustion and ventilation air.  
3. Confined Space  
The information on pages 4 through 6 will  
help you classify your space and provide  
adequate ventilation.  
VARIABLE MANUAL  
* Adjoining rooms are communicating only  
iftherearedoorlesspassagewaysorventila-  
tion grills between them.  
CONTROL (VSGF28NVA)  
Unusually Tight Construction  
This fireplace has a variable manual control  
valve which allows the user to choose the  
heat setting that best suits his needs. Any  
setting between low and high may be se-  
lected by simply turning the control knob.  
The air that leaks around doors and win-  
dows may provide enough fresh air for  
combustion and ventilation. However, in  
buildings of unusually tight construction,  
you must provide additional fresh air.  
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OWNER’S MANUAL  
AIR FOR  
COMBUSTION AND  
VENTILATION  
Continued  
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: 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. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space can support.  
_________________ (volume of space) ÷ 50 cu. ft. = (Maximum Btu/Hr the space can support)  
Example: 3168 cu. ft. (volume of space) ÷ 50 cu. ft. = 63.3 or 63,300 (maximum Btu/Hr the space can support)  
3. Add the Btu/Hr of all fuel burning appliances in the space.  
Vent-free fireplace  
Gas water heater*  
Gas furnace  
___________________ Btu/Hr  
___________________ Btu/Hr  
___________________ Btu/Hr  
___________________ Btu/Hr  
___________________ Btu/Hr  
___________________ Btu/Hr  
___________________ Btu/Hr  
Example:  
40,000  
28,000  
68,000  
Gas water heater  
Vent-free fireplace  
Total  
Btu/Hr  
Btu/Hr  
Btu/Hr  
Vented gas heater  
Gas fireplace logs  
Other gas appliances* +  
+
=
Total  
=
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.  
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: 63,300 Btu/Hr (maximum the space can support)  
68,000 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 work sheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoin-  
ing room or add ventilation grills between rooms. See Ventilation Air from Inside Building, page 6.  
B. Vent room directly to the outdoors. See Ventilation Air from Outdoors, page 6.  
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.  
WARNING: If the area in which the heater 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, ANS Z223.1, Section 5.3 or applicable local codes.  
Continued  
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UNVENTED NATURAL GAS FIREPLACE  
AIR FOR  
12"  
COMBUSTION AND  
VENTILATION  
Ventilation  
Continued  
Ventilation Grills  
Into Adjoining Room,  
Option 2  
Grills  
Into Adjoining  
Room,  
Or  
VENTILATION AIR  
Remove  
Door into  
Adjoining  
Room,  
Option  
3
Option 1  
Ventilation Air From Inside  
Building  
Thisfreshairwouldcomefromanadjoining  
unconfined space. When ventilating to an  
adjoining unconfined space, you must pro-  
vide 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 3). You can also  
remove door into adjoining room (see op-  
tion 3, Figure 3). Follow the National Fuel  
Gas Code, NFPA 54/ANS Z223.1, Section  
5.3, Air for Combustion and Ventilation for  
required size of ventilation grills or ducts.  
12"  
Figure 3 - Ventilation Air from Inside Building  
WARNING: Rework work-  
sheet, adding the space of the  
adjoining unconfined space. The  
combined spaces must have  
enough fresh air to supply all  
appliances in both spaces.  
Ventilated  
Outlet  
Attic  
Air  
Outlet  
Air  
To Attic  
Ventilation Air From Outdoors  
Provide extra fresh air by using ventilation  
grills or ducts. You must provide two per-  
manent openings: one within 12" of the  
ceiling and one within 12" of the floor.  
Connecttheseitemsdirectlytotheoutdoors  
orspacesopentotheoutdoors.Thesespaces  
include attics and crawl spaces. Follow the  
National Fuel Gas Code, NFPA 54/ANS  
Z223.1, Section 5.3, Air for Combustion  
and Ventilation for required size of ventila-  
tion grills or ducts.  
To  
Crawl  
Space  
Inlet  
Air  
Ventilated  
Crawl Space  
Inlet Air  
Figure 4 - Ventilation Air from Outdoors  
IMPORTANT: Do not provide openings for  
inletoroutletairintoatticifattichasathermo-  
stat-controlled power vent. Heated air enter-  
ing the attic will activate the power vent.  
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OWNER’S MANUAL  
ELECTRICAL HOOKUP  
INSTALLATION  
CAUTION: This fireplace cre-  
(Model VSGF28NTC or  
VSGF28NVA with GA3700(T)  
Series Blower)  
ateswarmaircurrents.Thesecur-  
rents move heat to wall surfaces  
next to fireplace. Installing fire-  
place next to vinyl or cloth wall  
coverings or operating fireplace  
where impurities (such as to-  
bacco smoke, aromatic candles,  
cleaning fluids, oil or kerosene  
lamps, etc.) in the air exist, may  
discolor walls.  
WARNING: A qualified ser-  
vicepersonmustinstallfireplace.  
Follow all local codes.  
This fireplace has a blower assembly with  
an electrical cord. The electrical cord is five  
feet in length. You must locate fireplace  
within reach of a 120 volt grounded electri-  
cal outlet. If not, you must install an electri-  
cal outlet within reach of fireplace power  
cord. The GA3555 outlet accessory may be  
used for built-in applications with blower  
installed. This same information applies if  
installing optional blower accessories to  
Model VSGF28NVA.  
NOTICE: This heater is intended  
foruseassupplementalheat.Use  
this heater along with your pri-  
mary heating system. Do not in-  
stall this heater as your primary  
heat source. If you have a central  
heating system, you may run  
system’scirculatingblowerwhile  
using heater. This will help circu-  
late the heat throughout the  
house. In the event of a power  
outage, you can use this heater  
as your primary heat source.  
Note: Your fireplace is designed to be used  
inzeroclearanceinstallations.Wallorfram-  
ing 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.  
INSTALLING HOOD  
Install hood to rail already installed in fire-  
place as shown in Figure 5. Use 3 Phillips  
screws provided.  
WARNING: Never install the  
fireplace  
Rail  
Usethedimensionsshownforroughopenings  
to create the easiest installation (see Built-In  
Fireplace Installation, pages 9 and 10).  
• in a bedroom or bathroom  
• in a recreational vehicle  
• where curtains, furniture,  
clothing, or other flammable  
objectsarelessthan42inches  
from the front, top, or sides of  
the fireplace  
Hood  
IMPORTANT:Vent-freeheatersaddmois-  
ture to the air. Although this is beneficial,  
installingfireplaceinroomswithoutenough  
ventilation air may cause mildew to form  
from too much moisture. See Air for Com-  
bustion and Ventilation, pages 4 through 6.  
• in high traffic areas  
• in windy or drafty areas  
Screw  
IMPORTANT: Make sure the fireplace is  
level. Iffireplaceisnotlevel, logsetwillnot  
work properly.  
WARNING: Model VSGF28NTC  
hasathree-prong,groundedelec-  
trical plug. This plug helps pro-  
tect you against electrical shock.  
Only connect plug to a properly  
grounded, three-prong recep-  
tacle. Do not cut or remove the  
grounding prong from this plug.  
CHECK GAS TYPE  
Use only natural gas. If your gas supply is  
not natural gas, do not install fireplace. Call  
dealerwhereyouboughtfireplaceforproper  
type fireplace.  
Figure 5 - Installing Hood  
WARNING: Never connect  
fireplace to private (non-utility)  
gas wells. This gas is commonly  
known as wellhead gas.  
Continued  
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UNVENTED NATURAL GAS FIREPLACE  
CONVENTIONAL FIREPLACE  
INSTALLATION  
INSTALLATION  
Trim Hanging  
Screws  
Continued  
Conventional installation of this fireplace  
involves installing fireplace along with the  
corner or cabinet mantel with hearth base  
accessories against a wall in your home (see  
Accessories, page 22 and 23). Follow the  
instructions below to install the fireplace in  
this manner.  
ASSEMBLING AND  
ATTACHING OPTIONAL  
BRASS TRIM  
(Included with Mantel  
Accessory)  
IMPORTANT:Ifyouarerecessingthefirebox  
in a wall, do not attach brass trim at this time.  
See page 9 for built-in fireplace installation.  
Note:Theinstructionsbelowshowinstalla-  
tion using the cabinet mantel and the  
G3000F/G3001U/G3004W/G3006F/  
G3007U series hearth base accessories. The  
hearth base accessory shown is optional for  
this installation. You can install fireplace  
and cabinet/corner mantel directly on the  
floor. The corner mantel accessory cannot  
be installed with the G3000F/G3001U/  
G3004W/G3006F/G3007Uhearthbase.The  
cornermantelcanbepairedwiththeG3008F/  
G3009U/G3010F corner hearth base. If  
mounting fireplace and cabinet or corner  
mantel to the floor, an optional G3005 Slim  
Base kit may be installed.  
Assembled  
Brass Trim  
Hanging  
Notches  
on Trim  
Note: The instructions below show assem-  
bling and attaching brass trim to fireplace.  
Figure 7 - Attaching Brass Trim to  
Fireplace  
1. Remove packaging from three pieces  
of brass trim.  
INSTALLATION  
CLEARANCES  
2. Locate four brass screws, two adjust-  
ing plates with set screws, and two  
shims in the hardware packet.  
WARNING:Maintainthemini-  
mum clearances. If you can, pro-  
vide greater clearances from  
floor, ceiling, and adjoining wall.  
3. Align shim under adjusting plate as  
shown in Figure 6.  
4. Slide one end of adjusting plate/shim  
in slot on mitered edge of top brass trim  
(see Figure 6).  
1. Assemble cabinet mantel, hearth base,  
and trim accessories.Assembly instruc-  
tions are included with each accessory.  
Carefullyfollowtheinstructionsbelow.This  
will ensure safe installation.  
5. Slide other end of adjusting plate/shim  
in slot on mitered edge of side brass  
trim (see Figure 6).  
Minimum Clearances For Side  
Combustible Material, Side Wall,  
and Ceiling  
A. Clearances from the side of the fireplace  
cabinet to any combustible material and  
wall should follow diagram in Figure 8.  
2. When installing blower, install a prop-  
erly grounded, 120 volt three-prong  
electrical outlet at fireplace location if  
an outlet is not there. If possible, lo-  
cate outlet so cabinet mantel will cover  
it when installed (see Figure 9).  
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 side.  
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. See  
Installing Gas Piping to Fireplace Lo-  
cation, pages 10 and 11.  
Example: The face of a mantel, book-  
shelf, etc. is made of combustible ma-  
terial and protrudes 3 1/2" from the wall.  
This combustible material must be 4"  
from the side of the fireplace opening  
(see Figure 8).  
8. Tighten trim hanging screws (#10 x  
6.25 shoulder) into holes in cabinets.  
Place the assembled trim onto fireplace  
cabinet. Align hanging notches on trim  
with hanging screws on side of fire-  
place (see Figure 7). Push trim firmly  
into place, sliding hanging notches over  
B. Clearances from the top of the fireplace  
opening to the ceiling should not be less  
than 42 inches.  
hanging screws.  
Top  
Brass  
Trim  
Set  
Side  
Brass  
Trim  
Electrical  
Gas Line  
121/4  
101/2  
Screws  
Outlet  
Hearth  
Base  
Access  
Hole  
Gas Line  
8 3  
7
/4  
Example  
Adjusting  
Plate  
51/4  
31/2  
13/4  
7/8  
7/16  
Figure9-PlacingHearthBaseAccessory  
Against Wall  
Shim  
FIREBOX  
.5  
1
2
4
6
8
10 12 14 16  
*
INCHES  
Slot  
*Minimum 16 inches from Side Wall  
Figure 8 - Minimum Clearance for  
Combustible to Wall  
Mitered Edge  
Slot  
Figure 6 - Assembling Brass Trim  
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OWNER’S MANUAL  
10. Carefully insert fireplace into cabinet  
BUILT-IN FIREPLACE  
INSTALLATION  
INSTALLATION  
mantel (Figure 12). Be careful not to  
scratch or damage hearth base, cabinet  
mantel, or any laminate trim on hearth  
base. Remove protective material from  
top of hearth base and from front of  
fireplace (if any). Note: You can se-  
cure fireplace to hearth or floor. Open  
lower louver. Locate screw holes in  
bottom of base. Tighten wood screws  
through these holes and into hearth or  
floor.  
Continued  
Built-ininstallationofthisfireplaceinvolves  
installing fireplace into a framed-in enclo-  
sure. This makes the front of fireplace flush  
with wall. If installing a mantel above the  
fireplace, you must follow the clearances  
shown in Figure 16, page 10 . Follow the  
instructions below to install the fireplace in  
this manner.  
4. Place hearth base accessory against  
wall at installation location. Cut an ac-  
cess hole in hearth top to run gas line  
to fireplace (see Figure 9, page 8).  
Make sure to locate access hole so cabi-  
net mantel will cover it when installed.  
Note: You can secure base to floor us-  
ing wood screws. Countersink screw  
heads and putty over.  
Actual  
32 3/8"  
Framing  
33"  
11. Attach gas line from fireplace gas regu-  
lator to gas supply. See Connecting Fire-  
place to Gas Supply, page 11.  
5. Route gas line through access hole in  
hearth base.  
Height  
Front Width 34 5/16"  
Depth  
16 11/16"  
35 1/2"  
17 3/4"  
6. Center cabinet mantel on hearth base  
(see Figure 10). Make sure mantel is  
flush against wall.  
12. Check all gas connections for leaks. See  
Checking Gas Connections, page 12.  
7. Break off nailing flanges (see Figure  
11) with hammer or pliers.  
1. Frame in rough opening. Use dimen-  
sions shown in Figure 13 for the rough  
opening.  
8. Place cardboard or other protective  
material on top of hearth base. Care-  
fully set fireplace on protective mate-  
rial, with back of fireplace inside man-  
tel opening.  
If installing in a corner, use dimen-  
sions shown in Figure 14, page 10 for  
the rough opening. The height is 33"  
which is the same as the wall opening  
above.  
9. If blower is installed, route blower elec-  
trical cord through access holes in ei-  
ther side of fireplace. Note: Bushing  
may be moved if necessary. Plug elec-  
trical cord into electrical outlet.  
2. If using blower, install and properly  
ground GA3555, three-prong 120 volt  
electrical outlet, in fireplace. Follow  
instructions included in kit.  
3. Install gas piping into fireplace loca-  
tion. This installation includes an ap-  
proved 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. See  
Installing Gas Piping to Fireplace Lo-  
cation, pages 10 and 11.  
Cabinet  
Mantel  
Nailing  
Flanges  
Figure 11 - Location of Nailing Flanges  
17 3/4"  
33"  
Figure 10 - Installing Cabinet Mantel  
35 1/2"  
Figure12-InsertingFireplaceIntoCabinet  
Mantel  
Figure 13 - Rough Opening for Installing  
in Wall  
Continued  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
Mantel Clearances for Built-In  
Installation  
INSTALLING GAS PIPING TO  
FIREPLACE LOCATION  
INSTALLATION  
Continued  
If placing mantel above built-in fireplace,  
youmustmeetminimumclearancebetween  
mantel shelf and top of fireplace opening.  
4. Carefully set fireplace in front of rough  
opening with back of fireplace inside  
wall opening.  
WARNING:Thisappliancere-  
quires a 1/2" NPT (National Pipe  
Thread) inlet connection to the  
pressure regulator.  
If your installation does not meet the below  
minimum clearances, you must:  
5. Carefully insert fireplace into rough  
opening.  
• raise the mantel to an acceptable height,  
OR  
6. Attach flexible gas line to gas supply.  
See Connecting Fireplace to Gas Sup-  
ply, page 11.  
WARNING: A qualified ser-  
vice person must connect fire-  
place to gas supply. Follow all  
local codes.  
• remove the mantel.  
Mantel  
Shelf  
7. Attach fireplace to wall studs using  
nails or wood screws through holes in  
nailing flange (see Figure 15).  
Note:  
10"  
8"  
All Vertical  
measurements  
are from top of  
fireplace  
Installation Items Needed  
6"  
2 1/2"  
8. Check all gas connections for leaks. See  
Before installing fireplace, make sure you  
have the items listed below.  
Checking Gas Connections, page 12.  
opening to  
bottom of  
mantel shelf.  
9. Plug electrical cord into electrical out-  
let installed in step 2, page 9.  
• piping (check local codes)  
• sealant (resistant to propane/LP gas)  
• equipment shutoff valve *  
• test gauge connection *  
• sediment trap  
10. Install brass trim after final finishing  
and/or painting of wall (see Figure 7,  
page 8).  
• tee joint  
39 3/8"  
• pipe wrench  
27 7/8"  
* A CSA/AGA. design-certified equipment  
shutoff valve with 1/8" NPT tap is an accept-  
able alternative to test gauge connection. Pur-  
chase the optional CSA/AGA. design-certi-  
fiedequipmentshutoffvalvefromyourdealer.  
See Accessories, pages 22 and 23.  
35 1/2"  
55 5/8"  
Figure 16 - Minimum Mantel Clearances  
for Built-In Installation  
Figure 14 - Rough Opening for Installing  
in Corner  
WARNING: Never connect  
fireplace to private (non-utility)  
gas wells. This gas is commonly  
known as wellhead gas.  
Nails or  
Wood  
Screws  
CAUTION: Use only new,  
black iron or steel pipe. Inter-  
nally-tinned copper tubing may  
be used in certain areas. Check  
yourlocalcodes. Usepipeof1/2"  
diameter or greater to allow  
proper gas volume to fireplace. If  
pipe is too small, undue loss of  
pressure will occur.  
Nailing  
Flanges  
Figure 15 - Attaching Fireplace to Wall  
Studs  
107157  
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OWNER’S MANUAL  
We recommend that you install a sediment 4. Attach flexible gas line to gas supply  
INSTALLATION  
trap in supply line as shown in Figure 17.  
Locate sediment trap where it is within  
reach for cleaning. Install in piping system  
between fuel supply and fireplace. Locate  
sediment trap where trapped matter is not  
likely to freeze. A sediment trap traps mois-  
ture and contaminants. This keeps them  
from going into fireplace gas controls. If  
sediment trap is not installed or is installed  
wrong, fireplace may not run properly.  
(see Figure 19). Check connection of  
flexible gas line attached to gas regu-  
lator of fireplace (see Figure 19).  
Continued  
Installation must include an equipment  
shutoff valve, and a plugged 1/8" NPT tap.  
Locate NPT tap within reach for test gauge  
hook up. NPT tap must be upstream from  
fireplace (see Figure 17).  
5. Check all gas connections for leaks. See  
Checking Gas Connections, page 12.  
6. Replace log base assembly back into  
fireplace. Feed flexible gas line into fire-  
place base area while replacing log base  
assembly. Make sure the entire flexible  
gas line is in fireplace base area. Reat-  
tach log base assembly to fireplace with  
screws removed in step 2.  
IMPORTANT: Install equipment shutoff  
valve in an accessible location. The equip-  
ment shutoff valve is for turning on or  
shutting off the gas to the appliance.  
CONNECTING FIREPLACE  
TO GAS SUPPLY  
Check your building codes for any special  
requirementsforlocatingequipmentshutoff  
valve to fireplaces.  
Installation Items Needed  
• 5/16" hex socket wrench or nut-driver  
• Phillips screwdriver  
Apply pipe joint sealant lightly to male pipe  
threads. This will prevent excess sealant  
from going into pipe. Excess sealant in pipe  
could result in clogged fireplace valves.  
Never use thread sealant on flare threads.  
• sealant (resistant to propane/LP gas, not  
provided)  
1. Remove fireplace screen. 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.  
CAUTION:Usepipejointseal-  
ant that is resistant to liquid pe-  
troleum (LP) gas.  
CSA/AGA Design-  
Certified Equipment  
Shutoff Valve With  
1/8" NPT Tap*  
2. Remove screws that attach log base  
assembly to fireplace (see Figure 18).  
Carefully lift up log base assembly and  
remove from fireplace (see Figure 18).  
Figure18-RemovingLogBaseAssembly  
From Fireplace  
Note:If adding the G8000 series brick liner  
accessory, install it now. Follow instruc-  
tions in G8000 accessory kit.  
Approved  
Flexible Gas  
Flexible Gas Line  
To Fireplace  
Line  
from Equipment  
Gas Regulator  
From Gas  
CAUTION: Do not pick up log  
base assembly by burners. This  
could damage burners. Only  
handle base by grates.  
Shutoff Valve  
Meter  
(5" W.C. to  
10.5" W.C.  
3" Minimum  
Pressure)  
3. Route gas line (provided by installer)  
from equipment shutoff through one of  
the access holes.  
Equipment  
Pipe Nipple Cap Tee Joint  
Sediment Trap  
Shutoff Valve  
NOTICE:Mostbuildingcodesdo  
not permit concealed gas con-  
nections. A flexible gas line is  
provided to allow accessibility  
fromthefireplace(seeFigure19).  
The flexible gas supply line con-  
nection to the equipment shutoff  
valve should be accessible.  
To Gas  
Provided by  
Meter  
Installer  
Figure 17 - Gas Connection  
Figure 19 - Attaching Flexible Gas Lines  
Together  
* Purchase the optional CSA/AGA design-  
certifiedequipmentshutoffvalvefromyour  
dealer. See Accessories, pages 22 and 23  
Continued  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
Test Pressures Equal To or Less Than  
1/2 PSIG (3.5 kPa)  
Pressure Testing Fireplace Gas  
Connections  
1. Open equipment shutoff valve (see Fig-  
ure 20).  
INSTALLATION  
Continued  
1. Close equipment shutoff valve (see Fig-  
ure 20).  
2. Pressurize supply piping system by either  
using compressed air or opening main gas  
valve located on or near gas meter.  
3. Check all joints from gas meter to equip-  
ment shutoff valve (see Figure 21). Ap-  
ply mixture of liquid soap and water to  
gas joints. Bubbles forming show a leak.  
4. Correct all leaks at once.  
CHECKING GAS  
CONNECTIONS  
2. Open main gas valve located on or near  
gas meter.  
WARNING: Test all gas pip-  
ing and connections for leaks  
after installing or servicing. Cor-  
rect all leaks at once.  
3. Make sure control knob of fireplace is  
in the OFF position.  
4. Check all joints from equipment shutoff  
valve to gas control valve (see Figure  
21). Apply mixture of liquid soap and  
water to gas joints. Bubbles forming  
show a leak.  
WARNING:Neveruseanopen  
flame to check for a leak. Apply a  
mixture of liquid soap and water  
toalljoints.Bubblesformingshow  
a leak. Correct all leaks at once.  
Open  
5. Correct all leaks at once.  
Equipment  
Shutoff  
Valve  
6. Light fireplace (see Operating Fire-  
place, pages 14 through 17). Check all  
other internal joints for leaks.  
Pressure Testing Gas Supply  
Piping System  
7. Turn off fireplace (see To Turn Off Gas  
to Appliance, page 15 [Thermostat-con-  
trolled models] or page 16 [Manually-  
controlled models]).  
Closed  
Figure 20 - Equipment Shutoff Valve  
Test Pressures In Excess Of 1/2 PSIG  
(3.5 kPa)  
1. Disconnect fireplace with its main gas  
valve (control valve) and equipment  
shutoff valve from gas supply piping sys-  
tem. Pressures in excess of 1/2 psig will  
damage fireplace gas regulator.  
Equipment Shutoff  
Valve  
2. Cap off open end of gas pipe where  
equipment shutoff valve was con-  
nected.  
3. Pressurize supply piping system by either  
using compressed air or opening main gas  
Gas Meter  
valve located on or near gas meter  
.
4. Check all joints of gas supply piping  
system. Apply mixture of liquid soap  
and water to gas joints. Bubbles form-  
ing show a leak.  
5. Correct all leaks at once.  
6. Reconnect fireplace and equipment  
shutoff valve to gas supply. Check re-  
connected fittings for leaks.  
Gas Control Valve  
Figure 21 - Checking Gas Joints  
107157  
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OWNER’S MANUAL  
INSTALLATION  
Crossover  
Log (#4)  
Front Log (#1)  
Continued  
Notch  
Cutout  
Hole  
INSTALLING LOGS  
Peg  
WARNING: Failure to position  
thepartsinaccordancewiththese  
diagrams or failure to use only  
parts specifically approved with  
this heater may result in property  
damage or personal injury.  
Grate  
Prongs  
Metal Grate Bar  
CAUTION: Do not remove the  
metal data plates attached to the  
heater base assembly. The data  
platescontainimportantwarranty  
information.  
Figure 22 - Installing Front Log (#1)  
Middle Log (#2)  
Figure 25 - Installing Crossover Log (#5)  
Groove  
Each log is marked with a number. These  
numbers will help you identify the log when  
installing. Itisveryimportanttoinstallthese  
logs exactly as instructed. Do not modify  
logs. Only use logs supplied with heater.  
Metal  
Post  
1. Place front log (#1) on top of the grate.  
Make sure the notches in the bottom of  
the log fit over the grate prongs (see  
Figure 22). Push back of log flush with  
metal grate bar.  
Groove  
Grate  
Metal Post  
2. Rest middle log (#2) behind metal posts  
on front burner. Make sure the grooves  
in the bottom of the log fit over the  
grate. Bring the log forward next to the  
metal posts (see Figure 23).  
Figure 23 - Installing Middle Log (#2)  
Notches  
Groove  
in Back  
of Log  
Peg  
Screws for  
Mounting  
Screen  
Rear Log  
(#3)  
3. Slide the grooves in the back of the rear  
log (#3) against the rear grate prongs.  
Make sure the peg on the log is on top  
(see Figure 24).  
Grate Prong  
Rear  
Burner  
Figure 26 - Installing Fireplace Screen  
Groove  
in Back  
of Log  
4. Place the crossover log (#4) on the rear  
log and the middle log. Make sure the  
peg on the rear log is in the hole in the  
bottom of the crossover log. The cross-  
over log should fit in the cutout of the  
middle log (see Figure 25).  
Grate  
Prong  
5. Install fireplace screen by slipping  
notches of fireplace screen over screws  
on front of fireplace (see Figure 26).  
Figure 24 - Installing Rear Log (#3)  
WARNING: You must operate  
this fireplace with the fireplace  
screen in place. Make sure fire-  
place screen is in place before  
running fireplace.  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
6. Continue pressing control knob in.  
LIGHTING  
INSTRUCTIONS  
OPERATING  
FIREPLACE  
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.  
WARNING: You must operate  
this fireplace with the fireplace  
screen in place. Make sure fire-  
place screen is installed before  
running fireplace.  
Thermostat-Controlled Models  
FOR YOUR SAFETY  
READ BEFORE  
LIGHTING  
Note: If pilot does not stay lit, con-  
tact a qualified service person or gas  
supplier for repairs. Until repairs are  
made, light pilot with match. To light  
pilot with match, see Manual Light-  
ing Procedure, page 15.  
NOTICE: During initial operation  
of new fireplace, burning logs  
will give off a paper-burning  
smell. Orange flame will also be  
present. Open window to vent  
smell. Operate fireplace on HI  
position to burn off odor. This  
will only last a few hours.  
WARNING: If you do not fol-  
low these instructions exactly, a  
fireorexplosionmayresultcaus-  
ing property damage, personal  
injury or loss of life.  
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 fireplace has a  
safety interlock system. Wait one (1)  
minute for system to reset before  
lighting pilot again.  
• If control knob does not pop out  
when released, contact a qualified  
service person or gas supplier for  
repairs.  
A. This appliance has a pilot which must  
be lighted by hand. When lighting the  
pilot, follow these instructions exactly.  
1. STOP! Read the safety information  
in column 1.  
B. BEFORE LIGHTING smell all  
around the appliance area for gas. Be  
sure to smell next to the floor because  
some gas is heavier than air and will  
settle on the floor.  
2. Make sure equipment shutoff valve  
is fully open.  
Clockwise  
3. Turn control knob clockwise  
to the OFF position (see Figure 27).  
WHAT TO DO IF YOU SMELL  
GAS  
8. Turn control knob counterclockwise  
4. Wait five (5) minutes to clear out any  
gas. Then smell for gas, including  
near the floor. If you smell gas,  
STOP! Follow “B” in the safety in-  
formation, column 1. If you don’t  
smell gas, go to the next step.  
C-clockwise  
to desired heating level. The  
• 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 sup-  
plier, call the fire department.  
burners should light. Set control  
knob to any heat level between HI  
and LO.  
5. Turn control knob counterclockwise  
CAUTION: Do not try to ad-  
just heating levels by using the  
equipment shutoff valve.  
to the PILOT position. Press  
C-clockwise  
in control knob for five (5) seconds  
(see Figure 27).  
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  
qualified service technician or gas  
supplier. Force or attempted repair  
may result in a fire or explosion.  
Ignitor Electrode  
Note: If running fireplace for first  
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.  
Pilot Burner  
Thermocouple  
D. Do not use this appliance if any part  
has been under water. Immediately  
call a qualified service technician to  
inspect the appliance and to replace  
any part of the control system and  
any gas control which has been un-  
der water.  
Ignitor Button  
Control Knob  
Figure 28 - Pilot  
Figure 27 - Control Knob and Ignitor  
Button Location  
Continued  
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OWNER’S MANUAL  
Manually-Controlled Models  
LIGHTING  
INSTRUCTIONS  
OPERATING  
FIREPLACE  
FOR YOUR SAFETY  
READ BEFORE  
LIGHTING  
Continued  
WARNING: You must operate  
this fireplace with the fireplace  
screen in place. Make sure fire-  
place screen is installed before  
running fireplace.  
TO TURN OFF GAS  
TO APPLIANCE  
WARNING: If you do not fol-  
low these instructions exactly, a  
fireorexplosionmayresultcaus-  
ing property damage, personal  
injury, or loss of life.  
Shutting Off Fireplace  
Clockwise  
Turn control knob clockwise  
the OFF position.  
to  
NOTICE: During initial operation  
of new fireplace, burning logs  
will give off a paper-burning  
smell. Orange flame will also be  
present. Open window to vent  
smell. Operate fireplace on HI  
position to burn off odor. This  
will only last a few hours.  
A. This appliance has a pilot which must  
be lighted by hand. When lighting the  
pilot, follow these instructions exactly.  
Shutting Off Burners Only (pilot  
stays lit)  
Clockwise  
Turn control knob clockwise  
the PILOT position.  
to  
B. BEFORE LIGHTING smell all  
around the appliance area for gas. Be  
sure to smell next to the floor because  
some gas is heavier than air and will  
settle on the floor.  
THERMOSTAT  
CONTROL  
OPERATION  
1. STOP! Read the safety information  
in column 2.  
WHAT TO DO IF YOU SMELL  
GAS  
• Do not try to light any appliance.  
2. Make sure equipment shutoff valve  
is fully open.  
You can set the thermostat control knob  
to any comfort level between HI and LO.  
The thermostat will gradually modulate  
the heat output and flame height from  
higher to lower settings, or pilot, in order  
to maintain the comfort level you select.  
The ideal comfort setting will vary by  
householddependingupontheamountof  
space to be heated, the output of the  
central heating system, etc.  
Clockwise  
3. Turn control knob clockwise  
Do not touch any electric switch; do  
to the OFF position. (see Figure 29,  
page 16)  
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 sup-  
plier, call the fire department.  
4. Wait five (5) minutes to clear out any  
gas. Then smell for gas, including  
near the floor. If you smell gas,  
STOP! Follow “B” in the safety in-  
formation, column 2. If you don’t  
smell gas, go to the next step.  
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  
qualified service technician or gas  
supplier. Force or attempted repair  
may result in a fire or explosion.  
Note: Selecting the HI setting will cause  
the burner to remain on without modu-  
lating down in most cases.  
5. Slightly depress and turn control knob  
counterclockwise  
to the PI-  
C-clockwise  
LOT position. Press in control knob for  
five (5) seconds (see Figure 29, page 16).  
Note: If running fireplace for first  
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.  
MANUAL LIGHTING  
PROCEDURE  
1. Follow steps 1 through 5 under Light-  
D. Do not use this appliance if any part  
has been under water. Immediately  
call a qualified service technician to  
inspect the appliance and to replace  
any part of the control system and  
any gas control which has been un-  
der water.  
ing Instructions, page 14.  
2. Depress control knob and light pilot  
with match.  
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 press-  
ing ignitor button until pilot lights.  
3. Keep control knob pressed in for 30  
seconds after lighting pilot. After 30  
seconds, release control knob. Now  
follow step 8 under Lighting Instruc-  
tions, page 14.  
Note: If pilot does not stay lit, con-  
tact a qualified service person or gas  
supplier for repairs. Until repairs are  
made, light pilot with match. To light  
pilot with match, see Manual Light-  
ing Procedure, page 16.  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
VARIABLE CONTROL  
OPERATION  
MANUAL LIGHTING  
PROCEDURE  
OPERATING  
FIREPLACE  
The variable control valve can be set to any 1. Follow steps 1 through 5 under Light-  
Continued  
heat setting and flame height desired, by  
simply turning the control knob until that  
setting is attained. Even the lowest setting  
provides realistic flames and glowing em-  
bers from two burners. Selecting higher  
settings produces greater heat output. This  
results in increased heating comfort.  
ing Instructions, page 15.  
7. Keep control knob pressed in for 30  
seconds after lighting pilot. After 30  
seconds, release control knob.  
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, column 1.  
Note: If pilot goes out, repeat steps  
3 through 7.  
• If control knob does not pop out  
when released, contact a qualified  
service person or gas supplier for  
repairs.  
WARNING: Do not operate  
heaterbetweenlockedpositions.  
8. Slightly depress and turn control  
C-clockwise  
knob counterclockwise  
to  
CAUTION:Donottrytoadjust  
heatinglevelsbyusingtheequip-  
ment shutoff valve.  
the HIGH position. Both burners  
should light. Set control knob to ei-  
ther HIGH or LOW.  
TO TURN OFF GAS  
TO APPLIANCE  
Shutting Off Fireplace  
1. Turn control knob clockwise  
Control Knob  
IGNITOR  
Clockwise  
to the HIGH position.  
Ignitor Button  
2. Slightly depress control knob and  
Figure 29 - Control Knob and Ignitor  
Button Location  
turn clockwise  
to the PILOT  
Clockwise  
position.  
Ignitor Electrode  
3. Slightly depress control knob and  
Pilot Burner  
Thermocouple  
turn clockwise  
position.  
Clockwise  
to the OFF  
Shutting Off Burners Only (pilot  
stays lit)  
1. Turn control knob clockwise  
Clockwise  
to the HIGH position.  
Clockwise  
2. Press in and turn clockwise  
to the PILOT position.  
Figure 30 - Pilot  
Continued  
107157  
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OWNER’S MANUAL  
Blower Kit Model GA3700T  
Series  
OPERATING  
INSPECTING  
BURNERS  
Check pilot flame pattern and burner flame  
patterns often.  
FIREPLACE  
Locate the blower switch by opening the  
lower louver on fireplace. Blower switch  
is located at lower left inside louver door.  
Continued  
BLOWER  
OPERATION  
The GA3700TA thermostat-controlled  
blower has a variable speed control with  
an ON/OFF switch. The blower will start  
when the thermostat senses a sufficient  
increase in firebox temperature.  
PILOT FLAME PATTERN  
MODEL VSGF28NTC  
Figure 31 shows a correct pilot flame pat-  
tern. Figure 32 shows an incorrect pilot  
flame pattern. The incorrect pilot flame is  
not touching the thermocouple. This will  
cause the thermocouple to cool. When the  
thermocouple cools, the fireplace will shut  
down.  
WARNING: This fireplace has  
a three-prong, grounded electri-  
cal plug. This plug helps protect  
youagainstelectricalshock.Only  
connect plug to a properly  
grounded, three-prong recep-  
tacle. Do not cut or remove the  
grounding prong from this plug.  
IMPORTANT: Light your gas appliance  
with the blower off.  
Note for GA3700TA: If you are using  
GA3700TA blower, your gas fireplace  
and blower will not turn on and off at the  
same time. The fireplace may run for  
several minutes before the blower turns  
on. After the heater modulates to the  
pilot position, the blower will continue to  
run. The blower will shut off after the  
firebox temperature decreases.  
If pilot flame pattern is incorrect, as shown  
in Figure 32  
• turn fireplace off (see To Turn Off Gas to  
Appliance, page 15 [Thermostat-con-  
trolled models] or page 16 [Manually-  
controlled models])  
Locatetheblowerswitchbyopeninglower  
louver on fireplace. Blower switch is lo-  
cated at lower left inside louver door.  
• see Troubleshooting, pages 19 through 21  
This thermostat-controlled blower has a  
variable speed control with an ON/OFF  
switch. The blower will start when the  
thermostat senses a sufficient increase in  
firebox temperature.  
Note: It is safe to operate fireplace with  
blowerturnedoff.However,theblowerhelps  
distribute heated air from the fireplace.  
Thermocouple  
Pilot Burner  
Note: Periodically check the louvers of  
the firebox and remove any dust, dirt, or  
other obstructions.  
Note: It is safe to operate fireplace with  
blowerturnedoff.However,theblowerhelps  
distribute heated air from the fireplace.  
Follow installation instructions included  
with the blower accessory.  
MODEL VSGF28NVA  
Blower Kit Model GA3700 Series  
This optional non-thermostat blower kit  
features a variable control which allows  
you to select the speed you desire. After  
about 15 minutes, turn the blower on to  
deliver heated air at the top louvers. Fol-  
low the installation instructions on pages  
8 and 9 of this manual.  
Figure 31 - Correct Pilot Flame Pattern  
Thermocouple  
Pilot Burner  
IMPORTANT: Light your gas appliance  
with the blower off.  
Note: Periodically check the louvers of  
the firebox and remove any dust, dirt, or  
other obstructions.  
Figure 32 - Incorrect Pilot Flame Pattern  
107157  
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®
UNVENTED NATURAL GAS FIREPLACE  
5. Blow air into the primary air holes on  
the injector holder.  
INSPECTING  
CLEANING AND  
MAINTENANCE  
BURNERS  
6. In case any large clumps of dust have  
now been pushed into the burner repeat  
steps 3 and 4.  
Continued  
WARNING: Turn off fireplace  
and let cool before cleaning.  
FRONT BURNER FLAME  
PATTERN  
Clean the pilot assembly also. A yellow tip  
on the pilot flame indicates dust and dirt in  
the pilot assembly. There is a small pilot air  
inlet hole about two inches from where the  
pilot flame comes out of the pilot assembly  
(see Figure 36). With the unit off, lightly  
blow air through the air inlet hole. You may  
blowthroughadrinkingstrawifcompressed  
air is not available.  
CAUTION: You must keep  
control areas, burners, and circu-  
latingairpassagewaysoffireplace  
clean. Inspect these areas of fire-  
place before each use. Have fire-  
place inspected yearly by a quali-  
fiedserviceperson.Fireplacemay  
need more frequent cleaning due  
to excessive lint from carpeting,  
bedding material, pet hair, etc.  
Figure 33 shows correct front burner flame  
pattern. Figure 34 shows incorrect front  
burner flame pattern. The incorrect burner  
flame pattern shows yellow tipping at top of  
blue flame.  
WARNING: If front burner  
flame pattern shows yellow tip-  
ping, your fireplace could pro-  
duce increased levels of carbon  
monoxide. Followinstructionsat  
bottomofthispage.Yellowflame  
on rear burner is normal.  
Injector Holder  
Ports/Slots  
CLEANING BURNER  
INJECTOR HOLDER AND  
PILOT AIR INLET HOLE  
Burner  
Tube  
NOTICE: Do not mistake orange  
flames with yellow tipping. Dirt  
or other fine particles are burned  
by fireplace, causing brief  
patches of orange flame.  
The primary air inlet holes allow the proper  
amount of air to mix with the gas. This pro-  
videsacleanburningflame. Keeptheseholes  
clear of dust, dirt, lint, and pet hair. Clean  
these air inlet holes prior to each heating  
season.Blockedairholeswillcreatesoot.We  
recommendthatyoucleantheuniteverythree  
months during operation and have heater in-  
spected yearly by a qualified service person.  
Primary Air Inlet  
Holes  
Figure 35 - Injector Holder On Outlet  
Burner Tube  
Ports/Slots  
If front burner flame pattern is incorrect, as  
shown in Figure 34  
Burner  
Tube  
• turn fireplace off (see To Turn Off Gas to  
Appliance, page 15 [Thermostat-con-  
trolled models] or page 16 [Manually-  
controlled models])  
Wealsorecommendthatyoukeeptheburner  
tubeandpilotassemblycleanandfreeofdust  
and dirt. To clean these parts we recommend  
using compressed air no greater than 30 PSI.  
Yourlocalcomputerstore,hardwarestore,or  
home center may carry compressed air in a  
can. You can use a vacuum cleaner in the  
blow position. If using compressed air in a  
can, please follow the directions on the can.  
If you don't follow directions on the can, you  
could damage the pilot assembly.  
Pilot  
Assembly  
• see Troubleshooting, pages 19 through 21  
Pilot Air  
Inlet  
Hole  
1. Shut off the unit, including the pilot.  
Allow the unit to cool for at least thirty  
minutes.  
Figure 33 - Correct Front Burner Flame  
Pattern  
Yellow Tipping At Top  
of Blue Flame  
2. Inspect burner, pilot, and primary air  
inlet holes on injector holder for dust  
and dirt (see Figure 35).  
Figure 36 - Pilot Inlet Air Hole  
3. Blow air through the ports/slots and  
holes in the burner.  
LOGS  
• If you remove logs for cleaning, refer to  
Installing Logs, page 13, to properly re-  
place logs.  
4. Check the injector holder located at the  
end of the burner tube again. Remove any  
large particles of dust, dirt, lint, or pet hair  
with a soft cloth or vacuum cleaner nozzle.  
Figure 34 - Incorrect Front Burner Flame  
Pattern  
• Replace log(s) if broken or chipped  
(dime-sized or larger).  
107157  
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OWNER’S MANUAL  
TROUBLESHOOTING  
Note: For additional help, visit DESA  
International’stechnicalservicewebsite  
WARNING: Turn off fireplace  
CAUTION: Never use a wire,  
needle, or similar object to clean  
ODS/pilot.ThiscandamageODS/  
pilot unit.  
andletcoolbeforeservicing.Only  
aqualifiedservicepersonshould  
service and repair fireplace.  
Note:Alltroubleshootingitemsarelistedin  
order of operation.  
OBSERVED PROBLEM  
POSSIBLE CAUSE  
REMEDY  
When ignitor button is pressed, there is no 1. Ignitor electrode not connected to igni- 1. Reconnect ignitor cable  
spark at ODS/pilot  
tor cable  
2. Piezo ignitor nut is loose  
2. Tighten nut holding piezo ignitor to base  
panel of log set. Nut is located behind  
base panel.  
3. Ignitor cable pinched or wet  
3. Free ignitor cable if pinched by any  
metal or tubing. Keep ignitor cable dry  
4. Replace ignitor cable  
4. Broken ignitor cable  
5. Bad piezo ignitor  
5. Replace piezo ignitor  
6. Ignitor electrode broken  
6. Replace ignitor  
7. Ignitor electrode positioned wrong  
7. Replace ignitor  
When ignitor button is pressed, there is 1. Gas supply turned off or equipment 1. Turn on gas supply or open equipment  
spark at ODS/pilot but no ignition  
shutoff valve closed  
shutoff valve  
2. Control knob not in PILOT position  
2. Turn control knob to PILOT position  
3. Control knob not pressed in while in 3. Press in control knob while in PILOT  
PILOT position  
position  
4. Air in gas lines when installed  
4. Continue holding down control knob.  
Repeat igniting operation until air is  
removed  
5. ODS/pilot is clogged  
5. Clean ODS/pilot (see Cleaning and  
Maintenance, page 18) or replace ODS/  
pilot assembly  
6. Gas regulator setting is not correct  
6. Replace gas regulator  
ODS/pilot lights but flame goes out when 1. Control knob not fully pressed in  
1. Press in control knob fully  
control knob is released  
2. Control knob not pressed in long enough 2. After ODS/pilot lights, keep control  
knob pressed in 30 seconds  
3. Equipment shutoff valve not fully open 3. Fully open equipment shutoff valve  
4. Thermocouple connection loose at con- 4. Hand tighten until snug, then tighten 1/4  
trol valve  
turn more  
5. Pilot flame not touching thermocouple, 5. A) Contact local natural gas company  
which allows thermocouple to cool,  
causing pilot flame to go out. This prob-  
lem could be caused by one or both of  
the following:  
B) Clean ODS/pilot (see Cleaning and  
Maintenance, page 18) or replace ODS/  
pilot assembly  
A) Low gas pressure  
B) Dirty or partially clogged ODS/pilot  
6. Thermocouple damaged  
7. Control valve damaged  
6. Replace thermocouple  
7. Replace control valve  
8. On thermostat models, safety interlock 8. Wait one minute for safety interlock sys-  
system has been triggered  
tem to reset. Repeat ignition operation  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
TROUBLESHOOTING  
Continued  
OBSERVED PROBLEM  
POSSIBLE CAUSE  
REMEDY  
One or both burners do not light after ODS/ 1. Burner orifice(s) clogged  
pilot is lit  
1. Clean burner(s) (see Cleaning and Main-  
tenance, page 18) or replace burner  
orifice(s)  
2. Burner orifice(s) diameter is too small  
2. Replace burner orifice(s)  
3. Inlet gas pressure is too low  
4. Mislocated crossover tube  
3. Contact local natural gas company  
4. Contact qualified service person  
Delayed ignition of one or both burners  
Burner backfiring during combustion  
1. Manifold pressure is too low  
2. Burner orifice(s) clogged  
1. Contact local natural gas company  
2. Clean burner(s) (see Cleaning and Main-  
tenance, page 18) or replace burner  
orifice(s)  
3. Mislocated crossover tube  
3. Contact qualified service person  
1. Burner orifice is clogged or damaged  
1. Clean burner (see Cleaning and Mainte-  
nance, page 18) or replace burner orifice  
2. Replace damaged burner  
2. Damaged burner  
3. Gas regulator defective  
3. Replace gas regulator  
Yellow flame in front burner during burner 1. Not enough air  
combustion  
1. Check burner(s) for dirt and debris. If  
found, clean burner(s) (see Cleaning and  
Maintenance, page 18)  
2. Gas regulator defective  
2. Replace gas regulator  
Slightsmokeorodorduringinitialoperation 1. Residues from manufacturing processes 1. Problem will stop after a few hours of  
and logs curing operation  
Fireplace produces a whistling noise when 1. Turning control knob to HI position 1. Turn control knob to LO position and  
burners are lit  
when burners are cold  
let warm up for a minute  
2. Air in gas line  
2. Operate burners until air is removed  
from line. Have gas line checked by lo-  
cal natural gas company  
3. Air passageways on fireplace blocked  
3. Observe minimum installation clear-  
ances (see pages 8 through 10)  
4. Dirty or partially clogged burner 4. Clean burners (see Cleaning and Main-  
orifice(s)  
tenance, page 18) or replace burner  
orifice(s)  
Whitepowderresidueformingwithinburner 1. When heated, vapors from furniture pol- 1. Turn heater off when using furniture  
box or on adjacent walls or furniture  
ish, wax, carpet cleaners, etc. turn into  
white powder residue  
polish, wax, carpet cleaners, or similar  
products  
Dark residue on logs or inside of fireplace  
1. Improper log placement  
1. Properly locate logs (see Installing Logs,  
Note: After removing all causes of residue  
page 13)  
deposits, completely clean fireplace and ap- 2. Drafts or other air currents affecting 2. Eliminate source of drafts around heater  
plianceofallresiduebeforereusingappliance.  
flame pattern  
3. Air holes at burner inlet blocked  
3. Clean out air holes at burner inlet. Peri-  
odically repeat as needed  
4. Burner flame holes blocked  
4. Remove blockage or replace burner  
Continued  
107157  
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OWNER’S MANUAL  
TROUBLESHOOTING  
Continued  
WARNING: 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.  
• Immediatelycallyourgassupplierfromaneighbor’sphone. Followthe  
gas supplier’s instructions.  
• If you cannot reach your gas supplier, call the fire department.  
IMPORTANT:Operatingfireplacewhereimpuritiesinairexistmaycreateodors.Cleaning  
supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,  
etc., create fumes. These fumes may mix with combustion air and create odors. These odors  
will disappear over time.  
REMEDY  
POSSIBLE CAUSE  
OBSERVED PROBLEM  
1. This is common with most fireplaces. If  
noise is excessive, contact qualified ser-  
vice person  
1. Metal expanding while heating or con-  
tracting while cooling  
Fireplace produces a clicking/ticking noise  
just after burners are lit or shut off  
1. Open window and ventilate room. Stop  
using odor causing products while fire-  
place is running  
1. Fireplace burning vapors from paint, hair  
spray, glues, cleaners, chemicals, new  
carpet, etc. (See IMPORTANT state-  
ment above)  
Fireplace produces unwanted odors  
2. Locate and correct all leaks (see Check-  
2. Gas leak. See Warning statement  
above  
ing Gas Connections, page 12)  
1. Open window and/or door for ventilation  
2. Contact local natural gas company  
3. Clean ODS/pilot (see Cleaning and  
Maintenance, page 18 )  
1. Not enough fresh air is available  
2. Low line pressure  
3. ODS/pilot is partially clogged  
Fireplace shuts off in use (ODS operates)  
1. Locate and correct all leaks (see Check-  
ing Gas Connections, page 12)  
2. Replace control valve  
1. Gas leak. See Warning statement  
above  
2. Control valve defective  
Gas odor even when control knob is in OFF  
position  
1. Take apart gas tubing and remove for-  
eign matter  
1. Foreign matter between control valve  
Gas odor during combustion  
and burner  
2. Locate and correct all leaks (see Check-  
ing Gas Connections, page 12)  
2. Gas leak. See Warning statement  
above  
1. Refer to Air for Combustion and Venti-  
1. Not enough combustion/ventilation air  
Moisture/condensationnoticedonwindows  
lation requirements (page 4)  
107157  
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UNVENTED NATURAL GAS FIREPLACE  
TECHNICAL  
SERVICE  
SERVICE HINTS  
ACCESSORIES  
When Gas Pressure Is Too Low  
• pilot will not stay lit  
Purchase these fireplace accessories from  
your local dealer. If they can not supply  
theseaccessories,callDESAInternational’s  
Sales Department at 1-800-432-2382 for  
information. You can also write to the ad-  
dress listed on the back page of this manual.  
You may have further questions about in-  
stallation, operation, or troubleshooting. If  
so, contact DESA International’s Technical  
Service Department at 1-800-DESA LOG  
(1-800-337-2564).  
• burners will have delayed ignition  
• fireplace will not produce specified heat  
When Gas Quality Is Bad  
• pilot will not stay lit  
• burners will produce flames and soot  
• fireplace will backfire when lit  
You can also visit DESA International’s  
technical services web site at  
Youmayfeelyourgaspressureistoolowor  
gas quality is bad. If so, contact your local  
natural gas supplier.  
REPLACEMENT  
PARTS  
Note: Use only original replacement parts.  
Thiswillprotectyourwarrantycoveragefor  
parts replaced under warranty.  
WIRING DIAGRAM  
CAUTION:Labelallwiresprior  
to disconnection when servicing  
controls.Wiringerrorscancause  
improper and dangerous opera-  
tion. Verify proper operation af-  
ter servicing.  
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-DESA  
LOG (1-800-337-2564).  
CABINET MANTEL  
GM100F Series - Walnut Finished  
GM101U Series - Unfinished  
GM106FSeries-OakFinishedwith  
Medium Stain  
GM107U Series - Unfinished  
GM102W Series - Off-White Paint  
Variable  
Fan Switch  
(N.O.)  
Fan Switch  
When calling DESA International, have  
ready  
• your name  
• your address  
• model and serial numbers of your  
fireplace  
• how fireplace was malfunctioning  
• type of gas used (propane/LP or natural  
gas)  
1
Off  
Black  
On  
2
Blue  
Red  
Shown with optional base and laminate  
hearth and mantel trim accessories.  
110/115  
V.A.C.  
Dimensions (WxHxD): 56 3/4" x 48" x 22 3/4  
"
Black  
Green  
White  
Blower  
Motor  
• purchase date  
Usually, we will ask you to return the defec-  
tive part to the factory.  
Figure 37 - Blower Wiring Diagram for  
Thermostat-Controlled Models  
PARTS NOT UNDER  
WARRANTY  
HARDWOOD HEARTH BASE  
SPECIFICATIONS  
G3000F Series- Walnut Finished  
G3001U Series - Unfinished  
G3006F Series - Oak Finished  
with Medium Stain  
G3006U Series - Unfinished Oak  
G3004W Series - Off-White Paint  
The hearth base can be used with the cabinet  
mantels to create a handsome riser for the  
fireplace (cannot be used with corner mantel).  
Dimensions(WxHxD):58"x61/2"x289/16"  
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.  
Btu (Low/High)  
20,000/28,000  
Natural Gas Only  
Piezo  
Type Gas  
Ignition  
Manifold Pressure 3.4" W.C.  
When calling DESA International, have  
ready  
• model number of your fireplace  
Inlet Gas Pressure  
(in. of water)  
Maximum  
Minimum  
10.5"  
5"  
• the replacement part number  
Shipping Weight  
100 lbs. T-stat Model  
97 lbs. Manual Model  
107157  
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OWNER’S MANUAL  
ACCESSORIES  
Continued  
SLIM HEARTH BASE  
(Not Shown)  
EQUIPMENT SHUTOFF  
VALVE - GA5010  
G3005J Series - Jade Marble  
Laminate  
For all models. Equipment shutoff valve with  
1/8" NPT tap. Fits 1/2" NPT pipe.  
G3005S Series - Sandstone  
Marble Laminate  
G3005B Series - Black Onyx  
Marble Laminate  
Mantel Trim  
Hearth Base Trim  
The slim hearth base allows you to further  
customize your fireplace.  
Dimensions (WxHxD): 41 7/8" x 5/8" x 10"  
LAMINATE TRIM FOR  
HEARTH OR MANTEL  
BLOWER ACCESSORIES  
FOR MANUALLY-  
CONTROLLED UNITS  
GA3700 & GA3700T SERIES  
G3002J Series - Jade Marble  
Laminate Mantel Trim  
Manual variable speed control and automatic  
thermostat variable control. A blower will in-  
crease air flow to maximize heat distribution.  
G3003J Series - Jade Marble  
Laminate Hearth Base Trim  
G3002SSeries-SandstoneMarble  
Laminate Mantel Trim  
G3003SSeries-SandstoneMarble  
Laminate Hearth Base Trim  
G3002B Series - Black Onyx  
FIREBOX BRICK LINER  
G8000 SERIES  
(Not Shown)  
CORNER MANTEL  
GM200F Series - Walnut Finished  
GM201U Series - Unfinished  
GM202F Series - Oak Finished  
Ceramic fiber firebox liner adds the look of Marble Laminate Trim  
real brick.  
G3003B Series - Black Onyx  
Shown with optional laminate mantel trim  
accessory.  
MarbleLaminateHearthBaseTrim  
BRASS TRIM ACCESSORY  
GA6090  
(Not Shown)  
Dimensions (WxHxD): 60 7/8" x 48 3/4" x 34 5/8  
"
Mantel trim for cabinet or corner mantel.  
Hearthbasetrimforhardwoodhearthbases.  
Included with accessory mantels  
DUPLEX OUTLET KIT  
GA3555  
(Not Shown)  
For built-in installation  
CORNER HEARTH BASE  
G3008F Series - Walnut Finished  
G3009U Series - Unfinished  
G3010F Series - Oak Finished  
CLEANING KIT - CCK  
(Not Shown)  
Your vent-free gas appliance requires regu-  
lar cleaning and maintenance to prevent  
performance problems. This kit gives you  
the tools and instructions to make it easy to  
clean all critical areas of your appliance.  
The corner hearth base is designed for use  
with the corner mantels to create a hand-  
some riser for the fireplace.  
Dimensions (WxHxD): 52 1/2" x 6" x 23 3/4  
"
107157  
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®
UNVENTED NATURAL GAS FIREPLACE  
ILLUSTRATED  
PARTS  
BREAKDOWN  
4
2
LOG BASE ASSEMBLY  
3
VARIABLE MANUALLY-  
CONTROLLED MODEL  
1
VSGF28NVA  
6
26  
18  
12  
7
17  
8
9
7
5
7
22  
15  
11  
10  
7
25  
21  
5
13  
5
5
23  
20  
5
28  
14  
32  
29  
24  
19  
31  
18  
27  
30  
16  
107157  
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OWNER’S MANUAL  
This list contains replaceable parts used in your fireplace. When ordering parts, follow the  
instructions listed under Replacement Parts on page 22 of this manual.  
PARTS LIST  
LOG BASE ASSEMBLY  
VARIABLE MANUALLY-  
CONTROLLED MODEL  
VSGF28NVA  
KEY  
NO.  
PART NUMBER  
DESCRIPTION  
QTY.  
1
2
3
4
5
6
7
8
104388-02  
104390-02  
104392-02  
104394-02  
098304-01  
104285-01  
098249-01  
101006-02  
101330-05  
100999-05  
102257-08CJ  
098271-06  
103410-01CK  
098867-09  
101004-04  
102445-01  
101007-01  
099387-05  
101972-01  
M11084-38  
102668-01  
101008-01  
101973-01  
098276-01  
101004-11  
M11084-26  
098508-01  
101628-03  
097809-02  
098354-01  
102568-01  
901056-01  
Front Log (#1)  
Middle Log (#2)  
Rear Log (#3)  
Crossover Log (#4)  
Screw, #10 Phillips, Black  
ODS Pilot  
Nut  
Pilot Bracket  
Front Burner  
Rear Burner Assembly  
Base Assembly  
Ignitor Cable  
Firebox Bottom  
Gas Regulator  
Front Burner Injector  
Piezo Ignitor  
Crossover Tube  
Pilot Tube  
Valve and Piezo Bracket  
Regulator Hex Screw  
Front Burner Tube  
Gasket  
Inlet Tube  
1/8" Plug  
Rear Burner Injector  
Hex Screw, #10  
Valve Retainer Nut  
Flex Hose  
1
1
1
1
8
1
6
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
Adapter  
Control Knob  
Control Valve  
3/8" Flare x 1/2" NPT  
PARTS AVAILABLE — NOT SHOWN  
100563-01  
101055-02  
100565-01  
104354-01  
101976-02  
Warning Plate  
1
1
1
1
1
Lighting Instructions Plate  
Warning Plate Fastener  
Information Video  
Control Position Decal  
107157  
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®
UNVENTED NATURAL GAS FIREPLACE  
ILLUSTRATED  
PARTS  
7
17  
1
6
BREAKDOWN  
FIREPLACE  
VSGF28NVA  
9
2
16  
12  
4
8
3
16  
11  
11  
14  
16  
16  
16  
11  
15  
5
7
16  
10  
18  
16  
10  
13  
107157  
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OWNER’S MANUAL  
This list contains replaceable parts used in your fireplace. When ordering parts, follow the  
instructions listed under Replacement Parts on page 22 of this manual.  
PARTS LIST  
FIREPLACE  
VSGF28NVA  
KEY  
NO.  
PART NUMBER  
DESCRIPTION  
QTY.  
1
2
101357-01  
103207-01  
Top Outer Casing  
Outer Casing  
1
1
3
4
5
6
7
8
9
102758-02CK  
102759-02CK  
098304-01  
101351-01CK  
102455-02  
Right Front Side  
Left Front Side  
Phillips Pan Head Screw, #10  
Top Front  
Top Louver Assembly  
Middle Front Rail  
Firebox Hood  
1
1
17  
1
2
101353-01CK  
101712-02  
1
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
101348-01  
099230-01  
101872-03  
101346-01CK  
101838-03CJ  
101514-01CK  
M11084-26  
098304-03  
Firebox Support  
Shoulder Screw  
Firebox Top  
Outer Base  
Firebox Wrapper  
Cover  
Hex Screw, #10  
Phillips Pan Head Screw, #8  
Screen Assembly  
2
4
1
1
1
1
57  
4
1
101727-03  
PARTS AVAILABLE — NOT SHOWN  
100639-01  
103590-01  
104313-01  
104313-02  
M10908-2  
Caution Decal  
Decal Strip  
Hinge, Pin  
Hinge, Pin  
1
1
1
1
4
Screw, Slotted Hex Head Tapping  
107157  
27  
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®
UNVENTED NATURAL GAS FIREPLACE  
ILLUSTRATED  
PARTS  
4
BREAKDOWN  
2
3
LOG BASE ASSEMBLY  
THERMOSTAT-  
CONTROLLED MODEL  
1
VSGF28NTC  
6
6
26  
18  
12  
7
8
9
5
7
11  
10  
7
15  
25  
5
13  
5
28  
19  
5
17  
5
27  
14  
29  
20  
18  
23  
6-2  
12  
24  
16  
21  
22  
107157  
28  
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OWNER’S MANUAL  
This list contains replaceable parts used in your fireplace. When ordering parts, follow the  
instructions listed under Replacement Parts on page 22 of this manual.  
PARTS LIST  
LOG BASE ASSEMBLY  
THERMOSTAT-  
CONTROLLED MODEL  
VSGF28NTC  
KEY  
NO.  
PART NUMBER  
DESCRIPTION  
QTY.  
1
2
3
4
5
6
7
8
104388-02  
104390-02  
104392-02  
104394-02  
098304-01  
104285-01  
098249-01  
101006-02  
101330-05  
100999-05  
102257-08CJ  
098271-06  
103410-01CK  
098867-09  
101004-04  
102845-01  
101382-01  
099387-03  
102846-01  
097809-02  
099211-01  
098544-01  
101329-16  
101381-01  
101004-11  
M11084-26  
101628-03  
M11084-38  
901063-01  
Front Log (#1)  
Middle Log (#2)  
Rear Log (#3)  
Crossover Log (#4)  
Screw, #10 Phillips, Black  
ODS Pilot  
1
1
1
1
8
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
2
1
Nut  
Pilot Bracket  
9
Front Burner Assembly  
Rear Burner Assembly  
Base Assembly  
Ignitor Cable  
Firebox Bottom  
Gas Regulator  
Front Burner Injector  
Inlet Tube  
Thermovalve Bracket  
Pilot Tube  
Burner Tube  
Adapter  
Screw  
Thermostat Clamp  
Thermostat Gas Valve Assembly  
Cover and Piezo  
Rear Burner Injector  
Hex Screw, #10  
Flex Hose  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
Screw  
3/8" Flare x 1/2" NPT  
PARTS AVAILABLE — NOT SHOWN  
100563-01  
101054-01  
100565-01  
104354-01  
Warning Plate  
1
1
1
1
Lighting Instructions Plate  
Warning Plate Fastener  
Information Video  
107157  
29  
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®
UNVENTED NATURAL GAS FIREPLACE  
ILLUSTRATED  
7
PARTS  
17  
1
6
BREAKDOWN  
FIREPLACE  
VSGF28NTC  
9
2
16  
12  
4
16  
8
3
11  
11  
14  
24  
24  
16  
16  
16  
19  
11  
15  
5
21  
16  
7
10  
22  
18  
16  
16  
26  
10  
20  
13  
25  
23  
24  
107157  
30  
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OWNER’S MANUAL  
This list contains replaceable parts used in your fireplace. When ordering parts, follow the  
instructions listed under Replacement Parts on page 22 of this manual.  
PARTS LIST  
FIREPLACE  
VSGF28NTC  
KEY  
NO.  
PART NUMBER  
DESCRIPTION  
QTY.  
1
2
3
4
5
6
7
8
101357-01  
103207-01  
102758-02CK  
102759-02CK  
098304-01  
101351-01CK  
102455-02  
101353-01CK  
101712-02  
101348-01  
099230-01  
101872-03  
101346-01CK  
101838-03CJ  
101614-02  
M11084-26  
098304-03  
101727-03  
101398-03  
103650-01  
103581-02  
099123-01  
105649-01  
M11084-38  
101629-01  
098544-01  
Top Outer Casing  
Outer Casing  
Right Front Side  
Left Front Side  
Phillips Pan Head Screw, #10  
Top Front  
Top Louver Assembly  
Middle Front Rail  
Firebox Hood  
1
1
1
1
17  
1
2
1
1
2
4
1
1
1
1
57  
4
1
1
1
1
4
1
4
2
1
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
Firebox Support  
Shoulder Screw  
Firebox Top  
Outer Base  
Firebox Wrapper  
Limit Switch (thermal disk) Assy.  
Hex Screw, #10  
Phillips Pan Head Screw, #8  
Screen Assembly  
Wire Harness  
Control Knob  
Blower Assembly  
Wire Clip  
Blower Speed Control  
Hex Screw, 8-18 x .38"  
Plastic Bushing  
Clamp  
PARTS AVAILABLE — NOT SHOWN  
099038-01  
100639-01  
103590-01  
104313-01  
104313-02  
M10908-2  
Strain Relief Bushing  
Caution Decal  
Decal Strip  
Hinge, Pin  
Hinge, Pin  
1
1
1
1
1
4
Screw, Slotted Hex Head Tapping  
107157  
31  
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WARRANTY INFORMATION  
KEEP THIS WARRANTY  
Model  
Serial No.  
Date Purchased  
Always specify model and serial numbers when communicating with the factory.  
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written  
warranty. We make no other warranty, expressed or implied.  
LIMITED WARRANTY  
VENT-FREE NATURAL GAS FIREPLACE  
DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on  
stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in  
accordance with all applicable instructions. To make a claim under this warranty the Bill of Sale or cancelled check must be presented.  
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater  
to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center. Warranty part(s)  
MUST be obtained through authorized dealers of this product and/or DESA International who will provide original factory  
replacementparts.Failuretouseoriginalfactoryreplacementpartsvoidsthiswarranty.TheheaterMUSTbeinstalledbyaqualified  
installer in accordance with all local codes and instructions furnished with the unit.  
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that fail or become  
damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by improper installation. Travel, diagnostic  
cost, labor, transportation and any and all such other costs related to repairing a defective heater will be the responsibilityof the owner.  
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE  
PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND  
LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTA-  
BILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR (4) YEARS ON ALL COMPONENTS AND FIVE (5)  
YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE; AND DESA INTERNATIONAL’S  
LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL  
SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT, INCIDENTAL OR  
CONSEQUENTIAL DAMAGES.  
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or  
consequential damages, so the above limitation on implied warranties, or exclusion or limitation on damages may not apply to you.  
This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.  
For information about this warranty write:  
INTERNATIONAL  
2701 Industrial Drive  
P.O. Box 90004  
Bowling Green, KY 42102-9004  
107157-01  
Rev. C  
107157 01  
09/00  
NOT A UPC  
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