Desa Comfort Glow CGFP28N Quick start guide

Shown with optional
cabinet mantel and
hearth base.
Save this manual for future reference.
®
WARNING: If the information in this manual is
not followed exactly, a fire or explosion may
result causing property damage, personal in-
jury, or loss of life.
— 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.
• Donottouchanyelectricalswitch;donotuse
any phone in your building.
• Immediately call your gas supplier from a
neighbor’sphone.Followthegassupplier’s
instructions.
• If you cannot reach your gas supplier, call
the fire department.
— Installation and service must be performed
byaqualifiedinstaller,serviceagency,orthe
gas supplier.
WARNING:Improperinstallation,
adjustment, alteration, service,
ormaintenancecancauseinjury
orpropertydamage.Refertothis
manual for correct installation
andoperationalprocedures.For
assistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an unvented
gas-firedheater.Itusesair(oxy-
gen)fromtheroom in which itis
installed. Provisions for ad-
equate combustion and ventila-
tion air must be provided. Refer
to AirforCombustionandVenti-
lation section on page 4 of this
manual.
OWNER’S OPERATION AND INSTALLATION MANUAL
UNVENTED (VENT-FREE)
NATURAL GAS FIREPLACE
CGFP28N
AND
CGFP28NT
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

2
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
1. This appliance is only for use with the
typeof gas indicated on the rating plate.
Thisappliance is not convertible foruse
with other gases.
SAFETY
INFORMATION
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, oper-
ate, or service this fireplace. Im-
proper use of this fireplace can
causeseriousinjuryordeathfrom
burns, fire, explosion, electrical
shock, and carbon monoxide
poisoning.
Carbon Monoxide Poisoning: Early
signs of carbon monoxide poisoning re-
semble the flu, with headaches, dizziness,
or nausea. If you have these signs, the fire-
place 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 preg-
nant women, people with heart or lung dis-
easeoranemia,those under the influenceof
alcohol, and those at high altitudes.
Natural Gas: Natural gas is odorless. An
odor-making agent is added to the gas. The
odor helps you detect a gas leak. However,
theodor 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 ICON G 001
WARNINGS
DANGER: Carbon monoxide
poisoning may lead to death!
WARNING: Any change to
this fireplace or its controls can
be dangerous.
11. Before using furniture polish, wax, car-
pet cleaner, or similar products, turn
heater off. If heated, the vapors from
theseproducts may createa white pow-
der residue within burner box or on
adjacent walls or furniture.
12. Do not use a blower insert, heat ex-
changer insert or other accessory not
approved for use with this heater.
13. This fireplace needs fresh air ventila-
tion to run properly. This fireplace has
an oxygen depletion sensor (ODS) pi-
lot light safety system. The ODS shuts
down the fireplace if not enough fresh
air is available. See Air for Combus-
tion and Ventilation, pages 4 through
6. If fireplace keeps shutting off, see
Troubleshooting, pages 21 through 23.
14. Do not run fireplace
• where flammable liquids or vapors
are used or stored
• under dusty conditions
15. Do not use this fireplace to cook food
or burn paper or other objects.
16. Never place any objects in the fireplace
or on logs.
17. Fireplace front and screen becomes
very hot when running fireplace. Keep
children and adults away from hot sur-
faces to avoid burns or clothing igni-
tion. Fireplace will remain hot for a
time after shutdown.Allow surfaces to
cool before touching.
18. Carefully supervise young children
when they are in the room with fire-
place.
19. Do notuse fireplaceif anypart has been
exposedto or under water. Immediately
call a qualified service technician to
inspect the fireplace and to replace any
part of the control system and any gas
control which has been under water.
20. Do not operate fireplace if any log is
broken. Do not operate fireplace if a
log is chipped (dime-sized or larger).
21. Turn fireplace off and let cool before
servicing. Only a qualified service per-
son should service and repair fireplace.
22. Operating fireplace above elevations of
4,500 feet could cause pilot outage.
2. 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
• ifyou cannotreach your gassupplier,
call the fire department
3. This fireplace shall not be installed in
a bedroom or bathroom.
4. Never install the fireplace
• in a recreational vehicle
• wherecurtains, furniture, clothing, or
otherflammable objects are less than
42inches from the front, top, or sides
of the fireplace
• in high traffic areas
• in windy or drafty areas
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
suchas pine cones, vermiculite, or rock
wool. Using these added items can
cause sooting. Do not add lava rock
aroundbase. Rock and debris could fall
into the control area of fireplace.
7. You must operatethis fireplace withthe
fireplace screen in place. Make sure
fireplace screen is in place before run-
ning fireplace.
8. This fireplace is designed to be smoke-
less. If logs ever appear to smoke, turn
off fireplace and call a qualified ser-
vice person. Note: During initial op-
eration,slight smokingcould occurdue
to log curing and fireplace burning
manufacturing residues.
9. To prevent the creation of soot, follow
the instructions in Cleaning and Main-
tenance, page 20.
10. Do not allow fans to blow directly into
the fireplace. Avoid any drafts that al-
ter burner flame patterns. Ceiling fans
can create drafts that alter burner flame
patterns. Altered burner patterns can
cause sooting.

3
103413
OWNER’S MANUAL
LOCAL CODES
Installand usefireplacewithcare.Followall
localcodes.Intheabsenceoflocalcodes,use
the latest edition of The National Fuel Gas
Code ANS Z223, also known as 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
PRODUCT
IDENTIFICATION
UNPACKING
1. With utility knife, cut the carton all the
way around above the staples on the
bottom tray. Lift the carton off the fire-
box. Remove packing.
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.
3. Remove protective packaging applied
to logs, log base assembly, and fire-
place.
4. Check all items for any shipping dam-
age. If damaged, promptly inform
dealer where you bought fireplace.
Figure 1 - Log Base Assembly
Figure 2 - Fireplace
Top Louvered
Hood
Bottom Louver
Assembly
Screen Assembly
Top Outer Casing
Firebox
Support
Rear
Access
Door
Base
Rear Burner
Front Log (#3)
Front Burner
Bottom Mid
Log (#2)
Top Log (#4) Rear Log (#1)
Gas Regulator CAUTION: Do not remove the
metal data plates from the grate
assembly.Thedataplatescontain
important product information.

4
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
AIR FOR
COMBUSTION AND
VENTILATION
Today’s homes are built more energy effi-
cient than ever. New materials, increased
insulation, and new construction methods
helpreduceheatlossinhomes.Homeowners
weatherstripandcaulkaroundwindowsand
doorstokeepthecoldairoutandthewarmair
in. During heating months, home owners
want their homes as airtight as possible.
While it is good to make your home energy
efficient,yourhomeneedstobreathe.Fresh
air must enter your home. All fuel-burning
appliances need fresh air for proper com-
bustion and ventilation.
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.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National
Fuel Gas Code. NFPA 54/ANS Z223.1, Sec-
tion5.3,AirforCombustionandVentilation.
Allspacesinhomesfallintooneofthethree
following ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 4 through 6 will
help you classify your space and provide
adequate ventilation.
Unusually Tight Construction
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.
WARNING: This heater shall
notbeinstalledinaconfinedspace
or unusually tight construction
unlessprovisionsareprovidedfor
adequatecombustionandventila-
tionair.Readthefollowinginstruc-
tions to insure proper fresh air for
this and other fuel-burning appli-
ances in your home.
PRODUCT
FEATURES
OPERATION
This vent-free fireplace is clean burning. It
requires no outside venting. There is no heat
loss out a vent or up a chimney. Heat is
generated by both realistic flames and glow-
ingembers.Thefireplacerequiresnoelectric-
itymakingitidealforemergencybackupheat.
SAFETY FEATURES
This fireplace has a pilot with an Oxygen
Depletion Sensor Shutoff System (ODS).
TheODS/pilotisarequiredfeatureforvent-
freeroomheaters.TheODSsystemprotects
against oxygen depletion and any interrup-
tion in the fuel supply. If either occurs, the
ODS shuts off gas flow to the burner, turn-
ing the fireplace off. An internal regulator
controls fluctuations in your gas pressure.
PIEZO IGNITION SYSTEM
This fireplace has a piezo ignitor. This sys-
tem requires no matches, batteries, or other
sources to light fireplace.
THERMOSTAT CONTROL
(CGFP28NT)
These fireplaces have a thermostat sensing
bulb and a control valve. The thermostat
controls the heat output and flame height.
This maintains a consistent room tempera-
ture. Even the lowest setting provides real-
istic flames and glowing embers from two
burners. Selecting higher comfort settings
allows the fireplace to run longer, produc-
ing greater heat output. At lower comfort
settings, the fireplace will run less. This
results in increased heating comfort. This
can also result in lower gas bills. An op-
tionalthermostatically(GA3650T)ormanu-
ally (GA3750) controlled blower is avail-
able (see Accessories, page 25).
VARIABLE MANUAL
CONTROL (CGFP28N)
These fireplaces have a variable manual con-
trol valve which allows the user to choose the
heat setting that best suits his needs. Any
settingbetween low and high may be selected
by simply turning the control knob. An op-
tional manually controlled blower (GA3750)
is available (see Accessories, page 25).
Unusually tight construction is de-
fined as construction where:
a. walls and ceilings exposed to the
outside atmosphere have a con-
tinuous water vapor retarder with
a rating of one perm (6x10-11 kg per
pa-sec-m2) or less with openings
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 win-
dow and door frames, between
sole plates and floors, between
wall-ceiling joints, between wall
panels, at penetrations for plumb-
ing, 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.
If your home does not meet all of the
three criteria above, proceed to De-
termining Fresh-Air Flow For Fire-
place Location , page 5.
Confined Space and Unconfined
Space
The National Fuel Gas Code ANS Z2123.1,
1992 Section 5.3) defines a confined space
as a space whose volume is less than 50
cubicfeetper1,000Btuperhour(4.8m3per
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 m3per kw) of the aggregate
inputratingofallappliancesinstalledinthat
space.Roomscommunicatingdirectly with
the space in which the appliances are in-
stalled*, through openings not furnished
with doors, are considered a part of the
unconfined space.
This heater shall not be installed in a con-
fined space or unusually tight construction
unlessprovisions are providedfor adequate
combustion and ventilation air.
*Adjoiningroomsarecommunicatingonly
iftherearedoorlesspassagewaysorventila-
tion grills between them.

5
103413
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 ___________________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.
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)
ThespaceintheaboveexampleisaconfinedspacebecausetheactualBtu/HrusedismorethanthemaximumBtu/Hrthespacecansupport.
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.
Continued
Example:
Gas water heater 40,000 Btu/Hr
Vent-free fireplace + 28,000 Btu/Hr
Total = 68,000 Btu/Hr
WARNING:Iftheareainwhichtheheatermaybeoperatedissmallerthanthatdefinedasanunconfinedspace
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, 1992, Section 5.3 or applicable local codes.

6
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
AIR FOR
COMBUSTION AND
VENTILATION
Continued
VENTILATION AIR
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
(seeoptions1and2,Figure3).Youcanalso
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.
Figure 4 - Ventilation Air from Outdoors
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.
IMPORTANT: Do not provide openings for
inlet or outlet air into attic if attic has a
thermostat-controlledpowervent.Heatedair
enteringtheatticwillactivatethepowervent.
Figure 3 - Ventilation Air from Inside Building
Outlet
Air Ventilated
Attic
Outlet
Air
Inlet
Air
Inlet Air Ventilated
Crawl Space
To
Crawl
Space
To Attic
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
Option 2
Ventilation
Grills
Into Adjoining
Room,
Option 1
12"
12"
WARNING: Rework work-
sheet, adding the space of the
adjoiningunconfinedspace.The
combined spaces must have
enough fresh air to supply all
appliances in both spaces.

7
103413
OWNER’S MANUAL
INSTALLATION
Continued
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.
IMPORTANT: Make sure the fireplace is
level.Iffireplaceisnotlevel,logsetwillnot
work properly.
NOTICE: A qualified service per-
sonmustinstallfireplace.Follow
all local codes.
WARNING: Never install the
fireplace
• 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
• in high traffic areas
• in windy or drafty areas
CAUTION:This fireplacecre-
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.
Note: Your Comfort Glow fireplace is de-
signed to be used in zero clearance installa-
tions.Wallorframingmaterialcanbeplaced
directly against any exterior surface on the
rear, sides, or top of your fireplace, except
where stand-off spacers are integrally at-
tached. If stand-off spacers are attached to
your fireplace, these spacers can be placed
directly against wall or framing materials.
Use the dimensions shown for rough open-
ings to create the easiest installation (see
Built-In Fireplace Installation, page 13).
CHECK GAS TYPE
Use only natural gas. If your gas supply is
notnatural gas, do not install fireplace. Call
dealerwhereyouboughtfireplaceforproper
type fireplace.
ELECTRICAL HOOKUP
(When Using Optional
Blower)
Theoptionalbloweraccessories(GA3650T
and GA3750) have a power cord 5 feet in
length.Youmustlocatethefireplacewithin
reach of a 120 volt grounded electrical out-
let,orinstallanelectricaloutletwithinreach
of the blower power cord. For built-in in-
stallation, an outlet accessory (GA3555) is
available (see Accessories, page 25). This
allows the outlet to be installed inside the
firebox. All electrical installations should
be performed by a qualified service person.
ASSEMBLING AND
ATTACHING OPTIONAL
BRASS TRIM ACCESSORY
(Included with Mantel)
Note: The instructions below show assem-
bling and attaching brass trim to fireplace.
Do not yet install trim if performing a built-
in installation (see Built-In Fireplace In-
stallation, page 13).
1. Remove packaging from three pieces
of brass trim.
2. Locate four brass screws, two adjust-
ing plates with set screws, and two
shims in the hardware packet.
3. Align shim under adjusting plate as
shown in Figure 5.
4. Slide one end of adjusting plate/shim
inslot on mitered edge of top brass trim
(see Figure 5).
Figure 5 - Assembling Brass Trim
Figure 6 - Attaching Brass Trim to
Fireplace
Side Brass
Trim Top Brass
Trim
Slot
Mitered
Edge
Slot
Shim
Set Screws
Adjusting
Plate
Trim Hanging
Screws
Assembled
Brass Trim
Hanging Notches
on Trim
5. Slide other end of adjusting plate/shim
in slot on mitered edge of side brass
trim (see Figure 5).
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.
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
withhanging screwsonside of fireplace
(see Figure 6). Push trim firmly into
place, sliding hanging notches over
hanging screws.
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
heatsource. If youhaveacentral
heating system, you may run
system’scirculatingblowerwhile
usingheater.Thiswillhelpcircu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.

8
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
AUTO
OFF
ON
3
2
1
INSTALLATION
Continued
1. Removefireplace screen (see Figure 7).
Figure 8 - Removing Log Base from
Fireplace
NOTICE:Shut-offgassupplyand
disconnect heater from gas sup-
ply. Contact a qualified service
person to do this.
CAUTION: Do not pick up log
base assembly by burners. This
could damage burners. Only
handle base by grates.
Screws
Log Base Flexible Gas Line
2. If logs are installed, carefully remove
the logs and set aside, noting the prop-
erly mounted location of each.
3. Remove screws that attach log base as-
sembly to fireplace (do not discard).
Carefully lift up log base assembly and
remove from fireplace, taking care to
pull flexible gas line through the ac-
cess holes (see Figure 8).
Figure 7 - Removing Fireplace Screen
WARNING:Youmustoperate
this fireplace with the fireplace
screen in place. Make sure fire-
place screen is in place before
running fireplace.
Notches
Screen Mounting Screws
Figure 9 - Mounting Blower to Firebox
Figure 10 - Installing Power Cord,
Mounting Plate, and Selector switch
Figure 11 - Installing Switch and Cover
Assembly
Blower
#8 Screws
Lower Rear
Wall of Firebox
Exhaust
Port
#6 Screws #10 Screw
Wire
Clips
Selector
Switch
Switch and Cover Assembly
4. Placethe blower againstlower rear wall
of firebox outer wrapper with the ex-
haust port directed upward. Align the
holes in top mounting tabs of blower
with holes in wall of wrapper (see Fig-
ure 9). Using two #8 screws provided,
mountblowerand tightenscrewsfirmly.
5. Route terminals end of power cord
through large hole near top of left floor
support bracket. Make sure to pass the
cordfrom the outside(left side) towards
the center of firebox (see Figure 10).
6. Using two #6 screws provided attach
power cord mounting plate to the out-
side face of left floor support bracket.
Drive screws from inside (right side)
of floor support bracket. Attach the
plate so that the power cord is directed
towards rear of firebox (see Figure 10).
Tighten screws firmly.
7. Remove the three screws (do not dis-
card) and cover plate from center of
firebox wrapper rear wall. Discard this
cover plate.
8. Mount the supplied thermostatic switch
and cover assembly into firebox wrap-
per wall. Do this by feeding terminal
ends of wire harness into the hole. Al-
low wires to fall to bottom of firebox
cavity (see Figure 11).
9. Using three screws from step 7, attach
switch and cover assembly to firebox
wrapper rear wall. Tighten screws
firmly (see Figure 11).
10. Mount selector switch to front flange
of left floor support bracket. Align
graphics on switch upright and push
firmly to snap switch into rectangular
hole. Push the selector switch to the off
(middle) position (see Figure 10).
WARNING:Failuretoconnect
all wires properly as indicated
maycauseelectricalshortcircuit
or personal injury. A qualified
electrician should check that all
connections are made properly.
INSTALLING GA3650T
BLOWER ACCESSORY
(For CGFP28P Model Only)

9
103413
OWNER’S MANUAL
AUTO
OFF
ON
3
2
1
Blue
Fan Switch
(Off/On/Auto)
Red Fan
Switch
(N.O.)
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
23
Auto
INSTALLATION
Continued
Figure 12 - Wire Attachment
Figure 13 - Installing Bushings
Bushing Location
for Recessed
Installation
Bushing Location for
Freestanding Installation
Note: To prevent short
circuit, white wire MUST
be connected to motor.
WARNING: Never touch the
blower wheel while in operation.
11. Install three plastic wire clips provided
into floor support bracket (see Figure
10, page 8). Secure by pushing clips
firmly into holes.
12. Attach green ground wire ring terminal
to floor support bracket using #10 sheet
metal grounding screw provided (see
Figure10,page8).Tightenscrewfirmly.
13. Attachallfiveremainingwiringterminals
to the appropriate switch or motor termi-
nal. Carefully note the correct color cod-
ing (see Figures 12 and 14). Push female
wire terminals fully onto male terminal.
14. Secure wires into the appropriate plas-
tic wire clips (see Figure 12).
15. Plug in blower power cord.
If your fireplace system is installed
as a freestanding unit with an acces-
sory mantel, install one plastic bush-
ing (provided) into the 1.5" hole in the
lower left side of the outer casing (see
Figure 13). Route power cord through
plastic bushing. Plug the power cord
into a properly grounded three-prong
wall receptacle near the firebox.
If your fireplace system installation is
recessed, install one plastic bushing pro-
videdintothe1.5"holenearthemiddleof
the left floor support bracket (see Figure
13). Route power cord through plastic
bushing. Plug the power cord into a prop-
erly installed duplex outlet. (If an outlet is
not available, the accessory model
GA3555 Outlet Kit with cover can be in-
stalled in your fireplace. This will supply
a convenient three-prong grounded elec-
trical outlet for your blower. Refer to the
installation manual provided with the
modelGA3555accessoryforinstructions
on wiring the duplex outlet.)
16. Check to make sure that the power cord
and wires are completely clear of the
blowerwheel and thatthere are noother
foreign objects in blower wheel. Turn
bloweronbypushingtheselectorswitch
to the on position and check for opera-
tion. Turn blower off before continuing.
Blue
Wire
Red Wire
Green
Wire
Black
Wire
White
Wire
Blue
Wire
To Switch and
Cover Assembly
Figure 14 - Wiring Diagram
If any of the original wire as supplied with
the appliance must be replaced, it must be
replaced with 105˚C wire or it's equivalent.
WARNING:Failuretoposition
the parts in accordance with sup-
plied diagrams or failure to use
only parts specifically approved
withthisheatermayresultindam-
age or personal injury.
NOTICE: A qualified service per-
son must connect fireplace to
gassupply.Followalllocalcodes.
17. Peel off the backing paper and stick the
supplied wiring diagram decal on the
firebox bottom approximately 12" in
front of blower.
18. Replace logbase assembly in fireplace.
Feed flexible gas supply line into fire-
placebase area whilereplacing log base
assembly. Make sure the entire flexible
gas line is in fireplace base area.
Note: If firebrick isinstalled, make sure
the back of the firebox bottom slides
underthe rear panelof the firebrick.(lift
the firebrick up if necessary.)
IMPORTANT: Do not pick up log base
assembly by burners. This could damage
burners. Only handle base by grates.
19. Reattach logbase assemblyto fireplace
with screws removed in step 3.
20. Install logs and fireplace screen per in-
structionsin operating manualprovided
with fireplace.
21. Connect gas supply to fireplace per in-
structionsin operating manualprovided
with fireplace.
OPERATING THE BLOWER
Light your gas appliance with the blower
off. After about 5 minutes, turn the blower
on to deliver heated air at the top louvers.
Thethermostatically-controlledblowerfea-
tures a three position switch. The three set-
tings are: ON, OFF, and AUTO. In the ON
position,theblowerwilloperateconstantly.
In the OFF position, the blower will not
operate. In the AUTO position, the blower
will start when the thermostat senses a suf-
ficient increase in firebox temperature.
Note: Your gas logs and thermostat blower
willnotturnonandoffatthesametime.The
fireplacemayrunforseveralminutesbefore
the blower turns on. After the heater modu-
lates to the pilot position, the blower will
continue to run. The blower will shut off
after the firebox temperature decreases.
Note: It is safe to operate fireplace with
blowerturnedoff.However,theblowerhelps
distribute heated air from the fireplace.
Note: Periodically check the louvers of the
firebox and remove any dust, dirt, or other
obstructions.

10
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
INSTALLATION
Continued
INSTALLING GA3650T
BLOWER ACCESSORY
(For CGFP28PT Model Only)
1. Removefireplacescreen(seeFigure15).
NOTICE:Shut-offgassupplyand
disconnect heater from gas sup-
ply. Contact a qualified service
person to do this.
CAUTION: Do not pick up log
base assembly by burners. This
could damage burners. Only
handle base by grates.
Figure 15 - Removing Fireplace Screen
Notches
Screen Mounting Screws
Figure 18 - Attaching Speed Control to
Firebox
Screws Speed
Control
Control
Knob
Left Floor
Support
Bracket
Control
Shaft
Figure 17 - Mounting Blower to Firebox
Blower
Screws
Lower
Rear Wall
of Firebox
Exhaust Port
Figure 16 - Removing Log Base from
Fireplace
Screws
Log Base
Flexible
Gas Line
WARNING:Youmustoperate
this fireplace with the fireplace
screen in place. Make sure fire-
place screen is in place before
running fireplace.
2. If logs are installed, carefully remove
the logs and set aside, noting the prop-
erly mounted location of each.
3. Remove screws that attach log base as-
semblyto fireplace. Carefullylift up log
base assembly and remove from fire-
place,takingcaretopull flexible gas line
throughtheaccessholes (see Figure 16).
4. Attach power cord to blower motor by
firmly pushing the two female termi-
nals of the power cord onto the two
spade terminals on blower motor. Us-
ing screw provided, attach ringed ter-
minal of power cord to mounting tab
of blower housing (see Figure 17).
Tighten screw securely.
5. Place the bloweragainst lower rearwall
of firebox outer wrapper with the ex-
haust port directed upward. Align the
holes in top mounting tabs of blower
with holes in wall of wrapper (see Fig-
ure17).Using 2 screws provided, mount
blower and tighten screws securely.
6. Be certain that all wire terminals are
securely attached to terminals on
blower motor and that the screw retain-
ing the green ground wire is tight.
7. Place control knob provided on plastic
control shaft of speed control.
8. Mount the speed control on the front
leg of the left floor support bracket us-
ing 2 screws provided (see Figure 18).
Power Cord

11
103413
OWNER’S MANUAL
Variable
FanSwitch
White
White Black
Green
On
110/115
V.A.C.
Blower
Motor
Black
Black
Black
Off
WARNING: Never touch the
blower wheel while in operation. Wiring
Diagram
Figure 19 - Installing Plastic Bushing for
Power Cord
Plastic
Bushing
Right Floor
Support
Bracket
INSTALLATION
Continued
9. Plug in blower power cord.
a. Ifyourfireplacesystem is installed
as a freestanding unit with an ac-
cessory mantel, determine whether
the power cord will exit the left side
or the right side of the firebox. In-
stall 1 plastic bushing provided into
the 1.5" hole in the floor support
bracket on the exit side (see Figure
19). Install the second plastic bush-
ing provided into the 1.5" hole in the
outer casing through which the
power cord will exit. Route power
cord through both plastic bushings
and plug the power cord into a prop-
erly grounded 3-prong wall recep-
tacle near the firebox.
b.Ifyourfireplacesysteminstallation
isrecessed,you must install GA3555
Outletkit with coverin your fireplace
which will supply a convenient 3-
prong grounded electrical outlet for
your blower. Refer to the installation
manual provided with the model
GA3555accessoryforinstructions on
wiring the duplex outlet.
Note: A qualified installer must
make all electrical connections.
10. Check tomake surethat the power cord
is completely clear of the blower wheel
and that there are no other foreign ob-
jects in blower wheel. Turn blower on
and check for operation. Turn blower
offby rotatingknob fullycounterclock-
wise before continuing.
11. Peel off the backing paper and stick the
supplied wiring diagram decal on the
firebox bottom approximately 12" in
front of blower and 3" to the right of the
blower speed control. (see Figure 20).
12. Replace logbase assembly in fireplace.
Feed flexible gas supply line into fire-
placebase area whilereplacing log base
assembly. Make sure the entire flexible
gas line is in fireplace base area.
Note: If firebrick isinstalled, make sure
the back of the firebox bottom slides
underthe rear panelof the firebrick.(lift
the firebrick up if necessary.)
IMPORTANT: Do not pick up log base
assembly by burners. This could damage
burners. Only handle base by grates.
13. Reattach logbase assemblyto fireplace
with screws removed in step 3.
Note: Discard the remaining hardware
items.
14. Install logs and fireplace screen per in-
structionsin operating manualprovided
with fireplace.
WARNING:Failuretoposition
the parts in accordance with sup-
plied diagrams or failure to use
only parts specifically approved
withthisheatermayresultindam-
age or personal injury.
NOTICE: A qualified service per-
son must connect fireplace to
gassupply.Followalllocalcodes.
Operating the Blower
Light your gas appliance with the blower
off.After about 15 minutes, turn the blower
on to deliver heated air at the top louvers.
Theblowerfeaturesavariablecontrolwhich
allows you to select the speed you desire.
Note: Periodically check the louvers of the
firebox and remove any dust, dirt, or other
obstructions.
WARNING: Never attempt to service heater
whileitis plugged in,operating,or hot.Burns and
electricalshockcould result.Only aqualifiedser-
vice person should service or repair heater.
If any of the original wire as supplied with the appliance
must be replaced, it must be replaced with 105°C wire or
it’s equivalent.
WARNING: Label all wires prior to discon-
nection when servicing controls.Wiring errors
can cause improper and dangerous operation.
Verify proper operation after servicing.
15. Connect gas supply to fireplace per in-
structionsin operating manualprovided
with fireplace.
Variable
Fan Switch
WhiteWhite
Black
Green
On
110/115
V.A.C.
Blower
Motor
Black
Black Black
Off
Figure 20 - Location of Wiring Diagram Decal, 12" in Front of Blower and 3" from
Blower Speed Control
101584-05
120 Vac. 60 Hz. . 78Amps
DESA International, Bowling Green, KY

12
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
Figure23-PlacingHearthBaseAccessory
Against Wall
Figure 22 - Location of Nailing Flanges
INSTALLATION
CLEARANCES
Note: Clearances are the same if using
optional cabinet mantel or built-in
installation.
WARNING:Maintainthemini-
mum clearances. If you can, pro-
vide greater clearances from
floor, ceiling, and adjoining wall.
MINIMUM
CLEARANCE
Side Wall - 16 "
Ceiling - 42"
Floor - 0"
Carefullyfollowtheinstructionsbelow.This
will ensure safe installation.
Minimum Wall and Ceiling
Clearances (see Figure 21)
A. Clearances from the side of the fire-
place opening to any combustible wall
should not be less than 16 inches for a
cabinet mantel or 12 inches for a cor-
ner installation.
B. Clearancesfrom the top of the fireplace
openingto the ceiling should notbe less
than 42 inches.
Note: Theinstructionsbelowshowinstalla-
tion using the GMC11F/GMC12U/
GCM13F series cabinet mantel and the
GC3333F/GC3334U/GC3335F series
hearth base accessories (see Accessories,
page 25). A brass trim kit is included with
each mantel accessory. The hearth base ac-
cessory shown is optional for this installa-
tion. You can install fireplace and cabinet
mantel directly on the floor.
1. Assemble cabinet mantel, brass trim
kit, and hearth base.Assembly instruc-
tions are included with each accessory.
2. If installing an optional blower acces-
sory (see Accessories, page 25). Install
a properly grounded 120 volt, three
prong electrical outlet at fireplace lo-
cation if outlet is not there. If possible,
locate outlet so cabinet mantel will
cover it when installed (see Figure 23).
3. Break off nailing flanges (see Figure
22) with hammer or pliers.
WARNING: For conventional
installation, it is recommended
you use the cabinet mantel or
hearth bases specified in this
manual. Surface clearances may
not be sufficient with other cabi-
net mantels and hearth bases.
Thismaycreateafirehazard.See
Accessories ,page25,forcorrect
mantels and hearth bases.
Figure 21 - Minimum Clearance to Wall
and Ceiling
42"
16"
INSTALLATION
Continued
Nailing
Flanges
Electrical Outlet
Hearth
Base
Flexible Gas
Line Gas
Line
Access
Hole
4. Place mantel and base in desired loca-
tion. Place heater in front opening of
mantel. Make sure all pieces fit prop-
erly. Remove mantel.
5. Mark floor and base or wall for gas line
entrance. Make sure there is enough
clearance between heater and mantel
for gas line. IMPORTANT: Make sure
there are no electrical lines where gas
piping will go through floor or wall.
6. Cut an access hole in hearth base top
to run flexible gas line to fireplace (see
Figure 23). Make sure to locate access
hole so cabinet mantel will cover it
when installed. Note: You can secure
baseto floor using wood screws.Coun-
tersink screw heads and putty over.
7. Install gas piping to fireplace location.
This installation includes an approved
flexible gas line (if allowed by local
codes) after the manual shutoff valve.
The flexible gas line must be the last
iteminstalled on the gas piping. See In-
stalling Gas Piping to Fireplace Loca-
tion, page 14.
8. Carefully place fireplace on top of
hearth base (Figure 24, page 13). Be
careful not to scratch or damage hearth
base. Note: You can secure fireplace to
hearth or floor. Open louver door. Lo-
cate screw holes in bottom of base.
Securewith woodscrews throughthese
holes and into hearth or floor.
9. If using an optional blower, install it
now. Follow instructions provided with
the blower.
10. Connect fireplace to gas supply (see
Connecting Fireplace to Gas Supply,
page 15).
11. Checkall gas connections forleaks. See
Checking Gas Connections, page 15.
CONVENTIONAL FIREPLACE
INSTALLATION
Conventional installation of this fireplace
involves installing fireplace along with the
cabinet mantel and hearth base accessory
against a wall in your home. Follow the
instructions below to install the fireplace in
this manner.

13
103413
OWNER’S MANUAL
Continued
INSTALLATION
Continued
Figure25-InsertingFireplaceIntoCabinet
Mantel
BUILT-IN FIREPLACE
INSTALLATION (Check Local
Building Codes)
Built-ininstallationofthisfireplaceinvolves
installing fireplace into a framed-in enclo-
sure. This makes the front of fireplace flush
with wall. An optional brass trim accessory
is available (see Accessories, page 25). The
brass trim will extend past the sides of the
fireplaceapproximately1/2".Thiswillcover
the rough edges of the wall opening. If
installing a mantel above the fireplace, but
you must follow the clearances shown in
Figure 29, page 14. Follow the following
instructions to install the fireplace in this
manner.
1. Frame in rough opening. Use dimen-
sions shown in Figure 26 for the rough
opening.
If installing in a corner, use dimensions
shown in Figure 27 for the rough open-
ing.The height is 33" which isthe same
as the wall opening in Figure 26.
2. If using optional blower, install it now.
Also install and properly ground
GA3555 three prong 120 volt outlet in
fireplace. Follow instructions included
in kits.
3. Install gas piping to fireplace location.
This installation includes an approved
flexible gas line (if allowed by local
codes) after the manual shutoff valve.
The flexible gas line must be the last
iteminstalled on the gas piping. See In-
stalling Gas Piping to Fireplace Loca-
tion, page 14.
4. Carefully set fireplace in front of rough
opening with back of fireplace inside
wall opening.
5. Attach flexible gas line to fireplace gas
regulator. See Connecting Fireplace to
Gas Supply, page 15.
6. Carefully insert fireplace into rough
opening.
7. Attach fireplace to wall studs using
nails or wood screws through holes in
nailing flange (see Figure 28).
8. Check all gasconnections for leaks. See
Checking Gas Connections, pages 15
and 16.
9. If using optional GA7090 Brass Trim
Kit, install brass trim after final finish-
ing and/or painting of wall (see Figure
6, page 7).
Figure 28 - Attaching Fireplace to Wall
Studs
Nailing
Flanges
Nails or
Wood
Screws
Figure 24 - Installing Cabinet Mantel
Cabinet
Mantel
Actual Framing
Height 32 3/8" 33"
Front Width 34 5/16" 34 3/4"
Depth 16 11/16" 17 3/4"
Figure 27 - Rough Opening for Installing
in Corner
Figure 26 - Rough Opening for Installing
in Wall
34 3/4"
17 3/4"
33"
39 3/8" 27 7/8"
55 5/8"
34 3/4"
12. After heater is secured, replace mantel
on hearth base (see Figure 25). Make
sure mantel is flush against wall. In-
stall brass trim (see page 7).

14
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
* Purchase the optional A.G.A. design-cer-
tifiedmanualshutoffvalvefromyourdealer.
See Accessories, page 25.
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
Installation Items Needed
Before installing fireplace, make sure you
have the items listed below.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
• approved flexible gas line with gas con-
nector (if allowed by local codes) (not
provided)
* AnA.G.A.design-certifiedmanualshutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional A.G.A. design-certified
manual shutoff valve from your dealer. See
Accessories, page 25.
NOTICE: A qualified service per-
son must connect fireplace to
gassupply.Followalllocalcodes.
WARNING: Never connect
fireplace to private (non-utility)
gas wells. This gas is commonly
known as wellhead gas.
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
propergasvolumeto fireplace.If
pipe is too small, undue loss of
pressure will occur.
Installation must include a manual shutoff
valve, union, and plugged 1/8" NPT tap.
Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from
fireplace (see Figure 30).
Check your building codes for any special
requirements for locating manual shutoff
valve to fireplaces.
Apply pipe joint sealant lightly to male
threads. This will prevent excess sealant
fromgoing into pipe. Excess sealantin pipe
could result in clogged fireplace valves.
CAUTION:Usepipejointseal-
ant that is resistant to liquid pe-
troleum (LP) gas.
Installsedimenttrapinsupplylineasshown
in Figure 30. Locate sediment trap where it
is within reach for cleaning. Locate sedi-
menttrap where trapped matter is not likely
to freeze. A sediment trap traps moisture
and contaminants. This keeps them from
going into fireplace gas controls. If sedi-
ment trap is not installed or is installed
wrong, fireplace may not run properly.
Mantel Clearances for Built-In
Installation
If placing mantel above built-in fireplace,
youmustmeetminimumclearancebetween
mantel shelf and top of fireplace opening
(see Figure 29).
If your installation does not meet the mini-
mum clearances shown in Figure 29, you
must:
• raise the mantel to an acceptable height,
OR
• remove the mantel.
Figure 29 - Minimum Mantel Clearances
for Built-In Installation
INSTALLATION
Continued
20"
24
1
/2
"
27
1
/2
"
30"
2
1/2
"
6"
8"
10"
Mantel Shelf
A.G.A. Design-Certified
Manual Shutoff Valve
With 1/8" NPT Tap*
3" Minimum
From Gas
Meter
(5" W.C.
to 10.5"
W.C.
Pressure)
Approved
Flexible
Gas Line
Tee Joint
Cap
Figure 30 - Gas Connection
Pipe Nipple
Sediment Trap
Note:
All Vertical
measurements
are from top of
fireplace
opening to
bottom of
mantel shelf.
All measure-
ments are in
inches.

15
103413
OWNER’S MANUAL
INSTALLATION
Continued
CAUTION: Do not pick up log
base assembly by burners. This
could damage burners. Only
handle base by grates.
Figure31-RemovingLogBaseAssembly
From Fireplace
3. Route flexible gas line (provided by
installer) from manual shutoff valve to
fireplace.Route flexiblegas supplyline
through one of the access holes.
4. Attach a 45˚ flare union gas connector
toflexible gasline fromgas supply(see
Figure 32). Connect flare union to flex-
ible gas line attached to gas regulator
of fireplace (see Figure 32).
5. Check all gasconnections for leaks. See
Checking Gas Connections, below.
6. Replace log base assembly back into
fireplace. Feed flexible gas line into
fireplace base area while replacing log
base assembly. Make sure the entire
flexible gas line is in fireplace base
area.Reattach log baseassembly to fire-
place with screws removed in step 2.
NOTICE:Mostbuildingcodesdo
not permit concealed gas con-
nections. A flexible gas line is
provided to allow accessibility
from the fireplace. The flexible
gassupplylineconnectiontothe
manual shutoff valve should be
accessible.
Flexible Gas Line
from Fireplace Gas
Regulator (Provided
with Fireplace)
To Fireplace
Gas Regulator
Gas Connector
Flexible Gas
Line from
Manual Shutoff
Valve (Provided
by Installer)
Manual
Shutoff Valve
➞
➞
To
Gas
Meter
Figure 32 - Attaching Flexible Gas Lines
Together
CHECKING GAS
CONNECTIONS
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
WARNING:Neveruseanopen
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming
show a leak. Correct all leaks at
once.
Pressure Testing Gas Supply
Piping System
TestPressuresInExcessOf1/2PSIG
1. Disconnect fireplace and its individual
manual shutoff valve from gas supply
pipingsystem. Pressuresin excessof 1/2
psig will damage fireplace gas regulator.
Continued
CONNECTING FIREPLACE
TO GAS SUPPLY
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• Phillips screwdriver
• 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 andpull
out to remove.
2. Remove screws that attach log base
assembly to fireplace (see Figure 31).
Carefully lift up log base assembly and
remove from fireplace (see Figure 31).
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther using compressed air or opening
main gas 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 manualshutoff
valve to gas supply. Check reconnected
fittings for leaks.
TestPressuresEqualToorLessThan
1/2 PSIG
1. Close manual shutoff valve (see Fig-
ure 33).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
main gas valve located on or near gas
meter.
3. Check all joints from gas meter to
manual shutoff valve (see Figure 34).
Apply mixture of liquid soap and wa-
ter to gas joints. Bubbles forming show
a leak.
4. Correct all leaks at once.
Figure 34 - Checking Gas Joints
Manual Shutoff Valve
Gas Valve
Gas
Meter
Figure 33 - Manual Shutoff Valve
ON
POSITION
OFF
POSITION
Open
Closed
Manual
Shutoff
Valve

16
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
INSTALLATION
Continued
INSTALLING LOGS
Each log is marked with a number. These
numberswillhelpyouidentifythelogwhen
installing.Itisveryimportanttoinstallthese
logs exactly as instructed. Do not modify
logs. Only use logs supplied with heater.
1. Slide rear log (#1) into place behind
rear burner. Make sure flat areas at bot-
tom of log are behind rear burner (see
Figure 35).
WARNING:Failuretoposition
thepartsinaccordancewiththese
diagrams or failure to use only
parts specifically approved with
this heater may result in property
damage or personal injury.
Rear Log (#1)
Figure 35 - Installing Rear Log
Pressure Testing Fireplace Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 33, page 15).
2. Open main gas valve located on or near
gas meter.
3. Make sure control knob of fireplace is
in the OFF position.
4. Check all joints from manual shutoff
valve to gas valve (see Figure 34, page
15). Apply mixture of liquid soap and
water to gas joints. Bubbles forming
show a leak.
5. Correct all leaks at once.
6. Light fireplace (see Operating Fire-
place, pages 17 and 18 [Thermostat-
controlled models] or pages 18 and 19
[Manually-controlled models]). Check
all other internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas
toAppliance, page17[Thermostat-con-
trolled models] or page 19 [Manually-
controlled models]).
Figure 39 - Installing Fireplace Screen
Notches Screws
for
Mounting
Screen
WARNING:Youmustoperate
this fireplace with the fireplace
screen in place. Make sure fire-
place screen is in place before
running fireplace.
Figure 36 - Installing Bottom Mid Log
Figure 37 - Installing Front Log
Figure 38 - Installing Top Log
2
Tab
Bottom Mid Log (#2)
44
Top Log (#4)
3
Front Log (#3)
2 . Slide bottom mid log (#2) into place in
behind front burner. Make sure tabs at
bottom of log are behind front burner
(see Figure 36).
3. Place front log (#3) into place in front
of bottom mid log (#2) (see Figure 37).
Make sure notches on bottom rest on
grate prongs.
4. Finally place top log (#4) over bottom
mid log (#2) by matching the notches
under log (#4) with the raised blocks
of log (#2) (see Figure 38).
5. Install fireplace screen by slipping
notches of fireplace screen over screws
on front of fireplace (see Figure 39).
CAUTION: Do not remove the
metal data plates attached to the
heater base assembly. The data
platescontainimportantwarranty
information.

17
103413
OWNER’S MANUAL
A. Thisappliance hasapilot whichmust
belightedby hand.Whenlightingthe
pilot,followtheseinstructions exactly.
B. BEFORE LIGHTING smell all
aroundthe applianceareaforgas. Be
sureto smellnextto thefloorbecause
some gas is heavier than air and will
settle on the floor.
WHAT TO DO IF YOU SMELL
GAS
• Do not try to light any appliance.
• Donottouchanyelectricswitch;do
notuse anyphone inyourbuilding.
• Immediatelycall your gassupplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
C. Useonly yourhand topush inor turn
thegas controlknob.Neveruse 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.
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.
WARNING: If you do not fol-
low these instructions exactly, a
fireorexplosionmayresultcaus-
ing property damage, personal
injury or loss of life.
FOR YOUR SAFETY
READ BEFORE
LIGHTING
OPERATING
FIREPLACE
Thermostat-Controlled Model
CGFP28NT
Continued
LIGHTING
INSTRUCTIONS
WARNING:Youmustoperate
this fireplace with the fireplace
screen in place. Make sure fire-
place screen is installed before
running fireplace.
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.
1. STOP! Read the safety information
in first column.
2. Make sure manual shutoff valve is
fully open.
3. Turncontrolknobclockwise
to the OFF position.
4. Wait five(5) minutes toclear outany
gas. Then smell for gas, including
near the floor. If you smell gas,
STOP! Follow “B” in the safety in-
formation above. If you don’t smell
gas, go to the next step.
5. Turn control knob counterclockwise
to the PILOT position.
Press in control knob for five (5) sec-
onds (see Figure 40).
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.
6. Continue pressing control knob in.
Press and release ignitor button. This
will light pilot.The pilot is attached to
thefrontburner.Ifneeded,keeppress-
ing ignitor button until pilot lights.
Ignitor Button
Control Knob
Figure 40 - Control Knob and Ignitor
Button Location
CAUTION: Do not try to ad-
just heating levels by using the
manual shutoff valve.
7. Keep control knob pressed in for 30
seconds after lighting pilot.After 30
seconds, release control knob.
• If control knob does not pop out
when released, contact a qualified
service person or gas supplier for
repairs.
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.
Note: If pilot does not stay lit, con-
tact a qualified service person or gas
supplierforrepairs.Until repairsare
made,light pilotwith match.To light
pilot with match, see Manual Light-
ing Procedure, page 18.
8. Turn control knob counterclockwise
to desiredheating level.The
burners should light. Set control
knob to any heat level between HI
and LO.
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Fireplace
Turn control knob clockwise to
the OFF position.
Shutting Off Burners Only (pilot
stays lit)
Turn control knob clockwise to
the PILOT position.
Figure 41 - Pilot
Thermocouple Ignitor Electrode
Pilot Burner

18
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
Figure 43 - Pilot
Thermocouple
Ignitor Electrode
Pilot Burner
IGNITOR
LIGHTING
INSTRUCTIONS
Figure 42 - Control Knob and Ignitor
Button Location
WARNING: You must oper-
ate this fireplace with the fire-
place screen in place. Make sure
fireplace screen is installed be-
fore running fireplace.
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.
1. STOP! Read the safety information
in second column.
2. Make sure manual shutoff valve is
fully open.
3. Turncontrolknobclockwise
to the OFF position.
4. Wait five(5) minutes toclear outany
gas. Then smell for gas, including
near the floor. If you smell gas,
STOP! Follow “B” in the safety in-
formation above. If you don’t smell
gas, go to the next step.
Ignitor Button
Control Knob
OPERATING
FIREPLACE
Continued
1. Follow steps1 through5 underLight-
ing Instructions, page 17.
2. Depress control knob and light pilot
with match.
3. Keep control knob pressed in for 30
seconds after lighting pilot.After 30
seconds, release control knob. Now
follow step 8 under Lighting Instruc-
tions, page 17.
Variable Manually-Controlled
Model CGFP28N
A. Thisappliance hasapilot whichmust
belightedby hand.Whenlightingthe
pilot,followtheseinstructions exactly.
B. BEFORE LIGHTING smell all
aroundthe applianceareaforgas.Be
sureto smellnextto thefloorbecause
some gas is heavier than air and will
settle on the floor.
WARNING: If you do not fol-
low these instructions exactly, a
fireorexplosionmayresultcaus-
ing property damage, personal
injury or loss of life.
FOR YOUR SAFETY
READ BEFORE
LIGHTING
THERMOSTAT
CONTROL OPERATION
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
highertolowersettings, orpilot,inorder
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.
Note: Selecting the HI setting will cause
the burner to remain on without modu-
lating down in most cases.
MANUAL LIGHTING
PROCEDURE
WHAT TO DO IF YOU SMELL
GAS
• Do not try to light any appliance.
• Donottouchanyelectricswitch;do
notuse anyphone inyourbuilding.
• Immediatelycall yourgas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
C. Useonly yourhand topush inor turn
thegas controlknob.Neveruse 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.
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.
5. Slightly depress and turn control
knob counterclockwise
C-clockwise
to
thePILOT position.Pressin control
knob for five (5) seconds (see Fig-
ure 42).
Note: If running fireplace for first
time,therewill be air ingas line.You
mayneed topressin controlknob for
30 seconds or longer. This will allow
air to bleed from the gas system.
• If control knob does not pop out
when released, contact a qualified
service person or gas supplier for
repairs.
6. Continue pressing control knob in.
Press and release ignitor button. This
will light pilot.The pilot is attached to
thefrontburner.Ifneeded,keeppress-
ing ignitor button until pilot lights.
Note: If pilot does not stay lit, con-
tact a qualified service person or gas
supplierforrepairs.Until repairsare
made,light pilotwith match.Tolight
pilot with match, see Manual Light-
ing Procedure, page 19.
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.
8. Slightly depress and turn control
knob counterclockwise to
the HIGH position. Both burners
should light. Set control knob to de-
sired heat setting.

19
103413
OWNER’S MANUAL
OPERATING
FIREPLACE
Continued
The variable control valve can be set to
any heat setting and flame height de-
sired,bysimplyturningthecontrolknob
until that setting is attained. Even the
lowest setting provides realistic flames
and glowing embers from two burners.
Selectinghighersettingsproducesgreater
heat output. This results in increased
heating comfort.
WARNING: Do not operate
heater between pilot and high
positions.
TO TURN OFF GAS TO
APPLIANCE
CAUTION:Donottrytoadjust
heating levels by using the
manual shutoff valve.
Shutting Off Fireplace
1. Turncontrolknobclockwise
to the HIGH position.
2. Slightly depress control knob and
turnclockwise to thePILOT
position.
3. Slightly depress control knob and
turn clockwise to the OFF
position.
Shutting Off Burners Only (pilot
stays lit)
1. Turncontrolknobclockwise
to the HIGH position.
2. Press in and turn clockwise
to the PILOT position.
VARIABLE CONTROL
OPERATION
1. Follow steps1 through5 underLight-
ing Instructions, page 18.
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, page 18.
MANUAL LIGHTING
PROCEDURE
INSPECTING
BURNERS
Check pilot flame pattern and burner flame
patterns often.
PILOT FLAME PATTERN
Figure44showsacorrectpilotflamepattern.
Figure 45 shows an incorrect pilot flame
pattern.Theincorrectpilotflameisnottouch-
ing the thermocouple. This will cause the
thermocouple to cool. When the thermo-
couple cools, the fireplace will shutdown.
If pilot flame pattern is incorrect, as shown
in Figure 44
• turn fireplace off (see To Turn Off Gas to
Appliance, page 17 [Thermostat-con-
trolled models] or column 1, this page,
[Manually-controlled models])
• seeTroubleshooting, pages21 through 23
Figure44 - Correct Pilot Flame Pattern
Figure 45 - Incorrect Pilot Flame Pattern
FRONT BURNER FLAME
PATTERN
Figure 46 shows correct front burner flame
pattern. Figure 47 shows incorrect front
burner flame pattern. The incorrect burner
flamepatternshowsyellowtippingattopof
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.
NOTICE: Do not mistake orange
flames with yellow tipping. Dirt
orotherfineparticles are burned
by fireplace, causing brief
patches of orange flame.
If front burner flame pattern is incorrect, as
shown in Figure 47
• turn fireplace off (see To Turn Off Gas to
Appliance, page 17 [Thermostat-con-
trolled models] or column 1, this page,
[Manually-controlled models])
• seeTroubleshooting, pages21 through 23
Figure 47 - Incorrect Front Burner Flame
Pattern
Figure 46 - Correct Front Burner Flame
Pattern
Yellow Tipping At
Top of Blue Flame
Thermocouple Pilot Burner
Thermocouple Pilot Burner

20
103413
UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
CGFP28N and CGFP28NT
CLEANING AND
MAINTENANCE
WARNING: Turn off fireplace
and let cool before cleaning.
CAUTION: You must keep
control areas, burners, and cir-
culating air passageways of fire-
place clean. Inspect these areas
offireplacebeforeeachuse.Have
fireplace inspected yearly by a
qualified service person. Fire-
place may need more frequent
cleaning due to excessive lint
from carpeting, pet hair, etc.
LOGS
• If you remove logs for cleaning, refer to
Installing Logs, page 16, to properly re-
place logs.
• Replace log(s) if broken or chipped
(dime-sized or larger).
CLEANING BURNER
INJECTOR HOLDER AND
PILOT AIR INLET HOLE
The primary air inlet holes allow the proper
amount of air to mix with the gas. This
provides a clean burning flame. Keep these
holesclearofdust,dirt,andlint.Cleanthese
air inlet holes prior to each heating season.
Blocked air holes will create soot. We rec-
ommendthatyoucleanthe unit every 2,500
hours of operation or every three months.
Wealsorecommendthatyoukeeptheburner
tube and pilot assembly clean and free of
dustanddirt.Tocleanthesepartswerecom-
mend using compressed air no greater than
30 PSI. Your local computer store, hard-
ware store, or home center may carry com-
pressed air in a can. You can use a vacuum
cleaner in the blow position. If using com-
pressed air in a can, please follow the direc-
tions on the can. If you don't follow direc-
tionsonthecan, youcoulddamagethepilot
assembly.
1. Shut off the unit, including the pilot.
Allow the unit to cool for at least thirty
minutes.
2. Inspect burner, pilot, and primary air
inlet holes on injector holder for dust
and dirt (see Figure 48).
Figure 48 - Injector Holder On Outlet
Burner Tube
3. Blow air through the ports/slots and
holes in the burner.
4. Check the injector holder located at the
end of the burner tube again. Remove
any large particles of dust, dirt, lint, or
pet hairs with a soft cloth or vacuum
cleaner nozzle.
5. Blow air into the primary air holes on
the injector holder.
6. In case any large clumps of dust have
now been pushed into the burner repeat
steps 3 and 4.
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 49). With the unit off, lightly
blowair through theair inlet hole.You may
blowthroughadrinkingstrawifcompressed
air is not available.
Burner
Tube
Injector Holder
Primary Air Inlet
Holes
Figure 49 - Pilot Inlet Air Hole
Pilot Assembly
Pilot Air Inlet
Hole
Ports/Slots