Desa GA3700 Quick start guide
For more information, visit www.desatech.com
WARNING: If the information in this manual is not
— WHAT TO DO IF YOU SMELL GAS
-
UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
VYGF33PRC AND VYGF33NRC
REMOTE-READY GAS FIREPLACE SYSTEMS
Shown with
mantel with hearth
www.desatech.com 113109-01G2
SAFETY
TABLE OF CONTENTS
Safety .................................................................. 2
Product Identication........................................... 4
Local Codes......................................................... 5
Unpacking............................................................ 5
Product Features................................................. 5
Air For Combustion And Ventilation..................... 6
Installation ........................................................... 8
Operation........................................................... 19
Inspecting Burner .............................................. 23
Cleaning and Maintenance................................ 24
Troubleshooting................................................. 25
Wiring Diagram.................................................. 29
Specications .................................................... 29
Replacement Parts............................................ 29
Technical Service............................................... 29
Service Hints ..................................................... 29
Parts .................................................................. 30
Accessories ....................................................... 34
Warranty ..............................................Back Cover
alteration, service or
maintenance can cause
-
for correct installation
-
additional information
-
WARNING: This is an
-
from the room in which
and ventilation air must
Air
for Combustion and Ven-
tilation
-
stalled in an aftermarket,*
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-
known to the state of California
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113109-01G 3
Early signs
of carbon monoxide poisoning resemble the
u, with headaches, dizziness or nausea. If
you have these signs, the replace may not
be working properly. Get fresh air at once!
Have replace serviced. Some people are
more affected by carbon monoxide than oth-
ers. These include pregnant women, people
with heart or lung disease or anemia, those
under the inuence of alcohol and those at
high altitudes.
Natural and
Propane/LP gases are odorless. An odor-
making agent is added to these gases. The
odor helps you detect a gas leak. However,
the odor added to the gas can fade. Gas may
be present even though no odor exists.
Make certain you read and understand all
warnings. Keep this manual for reference. It
is your guide to safe and proper operation of
this replace.
this heater or its controls can
WARNING: Do not use a
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WARNING: Do not allow fans
SAFETY
Continued
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-
away from hot surfaces to avoid
-
-
dren when they are in the room
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1. This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with
other gases.
2. Do not place propane/LP supply tank(s)
inside any structure. Locate propane/LP
supply tank(s) outdoors (propane/LP
units only).
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SAFETY
Continued
system. The ODS shuts down the replace
if enough fresh air is not available. See Air
for Combustion and Ventilation, page 6. If
replace keeps shutting off, see Trouble-
shooting, page 25.
10. Do not run replace
• where ammable liquids or vapors are
used or stored
• under dusty conditions
11. Do not use this replace to cook food or
burn paper or other objects.
12. Do not use replace if any part has been
exposed to or under water. Immediately
call a qualied service technician to in-
spect the replace and to replace any part
of the control system and any gas control
which has been under water.
13. Do not operate fireplace if any log is
broken. Do not operate replace if a log
is chipped (dime-sized or larger).
14. Turn fireplace off and let cool before
servicing. Only a qualied service person
should service and repair replace.
15. Operating replace above elevations of
4,500 feet could cause pilot outage.
16. To prevent performance problems in
propane/LP units, do not use propane/
LP fuel tanks of less than 100 lbs. ca-
pacity (propane/LP units only).
17. Provide adequate clearances around air
openings.
Figure 1 - Log Base Assembly
Piezo
Ignitor
Optional
Remote
Control
Control
Knobs
Firebox
Hood
Firebox
Support
Log Set
Remote Selector
Switch (Optional)
Top Outer
Casing
Blower Assembly
(Optional)
Screen
Assembly
Figure 2 - Fireplace
Louver
3. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do
not use any phone in your building
• immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions
• if you cannot reach your gas supplier,
call the re department
4. This replace shall not be installed in a
bedroom or bathroom.
5. Do not use this replace as a wood-burn-
ing replace. Use only the logs provided
with the replace.
6. Do not add extra logs or ornaments such
as pine cones, vermiculite or rock wool.
Using these added items can cause soot-
ing. Do not add lava rock around base.
Rock and debris could fall into the control
area of replace.
7. To prevent the creation of soot, follow the
instructions in Cleaning and Maintenance,
page 24.
8. Before using furniture polish, wax, carpet
cleaner or similar products, turn heater off. If
heated, the vapors from these products may
create a white powder residue within burner
box or on adjacent walls or furniture.
9.
This replace needs fresh air ventilation to
run properly. This replace has an Oxygen
Depletion Sensing (ODS) safety shutoff
PRODUCT IDENTIFICATION
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113109-01G 5
LOCAL CODES
Install and use replace with care. Follow all
local codes. In the absence of local codes,
use the latest edition of The National Fuel
Gas Code, ANSI Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
State of Massachusetts: The installation
must be made by a licensed plumber or
gas tter in the Commonwealth of Mas-
sachusetts.
Sellers of unvented propane or natural
gas-fired supplemental room heaters
shall provide to each purchaser a copy of
527 CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in
the Commonwealth of Massachusetts.
UNPACKING
CAUTION: Do not remove the
1. With utility knife, cut the carton all the way
around above the staples on the bottom
tray. Lift the carton off the heater. Remove
packing.
Note: The hood is located in the packing
on the right hand side of the heater front.
Lift the heater off the bottom tray.
2. Locate two screws above top corners of
the replace screen. Remove and discard
these screws. Lift replace screen up and
pull out to remove.
3. Remove protective packaging applied to
logs, log base assembly and replace.
4. Remove fireplace hood from carton
insert.
5. Check all items for any shipping damage.
If damaged, promptly inform dealer where
you bought replace.
PRODUCT FEATURES
OPERATION
This vent-free replace is clean burning. It re-
quires no outside venting. There is no heat loss
out a vent or up a chimney. Heat is generated by
realistic ames. When used without the blower,
replace requires no electricity making it ideal
for emergency backup heat. This heater is de-
signed for vent-free operation. It has been tested
and approved to ANSI Z21.11.2 standard for
unvented heaters. State and local codes in some
areas prohibit the use of vent-free heaters.
SAFETY DEVICE
This replace has a pilot with an Oxygen
Depletion Sensing (ODS) safety shutoff
system. The ODS/pilot is a required feature
for vent-free room heaters. The ODS/pilot
system shuts off the replace if there is not
enough fresh air.
PIEZO IGNITION SYSTEM
This replace has a piezo ignitor. This sys-
tem requires no matches, batteries or other
sources to light replace.
OPTIONAL REMOTE CONTROL UNITS
There are four optional remote controls that
can be purchased separately for this log
heater:
• wall switch
• wall thermostat
• hand-held ON/OFF remote
• hand-held thermostat remote
See Accessories, page 34.
OPTIONAL BLOWER ASSEMBLY
This replace accepts an optional blower as-
sembly (not included). The GA3700T Series
blower operates thermostatically and features
a variable speed control. The GA3700 Series
blower operates manually and also features a
variable speed control. The blower circulates
heated air from the replace into the room.
See Accessories, page 34.
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WARNING: This heater shall
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National Fuel Gas
Code, ANSI Z223.1/NFPA 54, the
International Fuel Gas Code, or
Today’s homes are built more energy efcient
than ever. New materials, increased insulation
and new construction methods help reduce
heat loss in homes. Home owners weather
strip and caulk around windows and doors
to keep the cold air out and the warm air in.
During heating months, home owners want
their homes as airtight as possible.
While it is good to make your home energy efcient,
your home needs to breathe. Fresh air must enter
your home. All fuel-burning appliances need fresh
air for proper combustion and ventilation.
Exhaust fans, replaces, clothes dryers and
fuel burning appliances draw air from the house
to operate. You must provide adequate fresh
air for these appliances. This will insure proper
venting of vented fuel-burning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Air for
Combustion and Ventilation.
All spaces in homes fall into one of the three
following ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 6 through 8 will help
you classify your space and provide adequate
ventilation.
The air that leaks around doors and windows
may provide enough fresh air for combustion
and ventilation. However, in buildings of un-
usually tight construction, you must provide
additional fresh air.
AIR FOR COMBUSTION AND VENTILATION
construction where:
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2
and
and
If your home meets all of these three criteria,
Ventilation Air From Outdoors
If your home does not meet all of the three
Determining
Fresh-Air Flow For Heater Location
The National Fuel Gas Code, ANSI Z223.1/
NFPA 54 denes a conned space as a space
whose volume is less than 50 cubic feet per
1,000 Btu per hour (4.8 m3 per kw) of the ag-
gregate input rating of all appliances installed
in that space and an unconned space as a
space whose volume is not less than 50 cubic
feet per 1,000 Btu per hour (4.8 m3 per kw)
of the aggregate input rating of all appliances
installed in that space. Rooms communicating
directly with the space in which the appliances
are installed*, through openings not furnished
with doors, are considered a part of the un-
conned space.
* Adjoining rooms are communicating only if
there are doorless passageways or ventilation
grills between them.
DETERMINING FRESH-AIR FLOW
FOR HEATER LOCATION
Use this work sheet to determine if you have
a conned or unconned space.
Includes the room in which you will
install replace plus any adjoining rooms with
doorless passageways or ventilation grills
between the rooms.
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113109-01G 7
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 20 ft. (length) x 16 ft.
(width) x 8 ft. (ceiling height) = 2560 cu. ft.
(volume of space)
If additional ventilation to adjoining room
is supplied with grills or openings, add the
volume of these rooms to the total volume
of the space.
2. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support)
Example: 2560 cu. ft. (volume of space) x 20
= 51,200 (maximum Btu/Hr the space can
support)
3. Add the Btu/Hr of all fuel burning appliances
in the space.
Vent-free replace __________ Btu/Hr
Gas water heater* __________ Btu/Hr
Gas furnace __________ Btu/Hr
Vented gas heater __________ Btu/Hr
Gas replace logs __________ Btu/Hr
Other gas appliances* + _________ Btu/Hr
Total = _________ Btu/Hr
* Do not include direct-vent gas appliances.
Direct-vent draws combustion air from the
outdoors and vents to the outdoors.
Example:
Gas water heater __________ Btu/Hr
Vent-free replace + _________ Btu/Hr
Total = _________ Btu/Hr
4. Compare the maximum Btu/Hr the space
can support with the actual amount of Btu/
Hr used.
_______ Btu/Hr (maximum the space can
support)
_______ Btu/Hr (actual amount of Btu/Hr
used)
Example: 51,200 Btu/Hr (maximum the
space can support)
73,000 Btu/Hr (actual amount of
Btu/Hr used)
The space in the above example is a conned
space because the actual Btu/Hr used is more
than the maximum Btu/Hr the space can sup-
port. You must provide additional fresh air. Your
options are as follows:
A. Rework worksheet, adding the space of an
adjoining room. If the extra space provides an
unconned space, remove door to adjoining
room or add ventilation grills between rooms.
See Ventilation Air From Inside Building.
40,000
33,000
73,000
AIR FOR COMBUSTION AND VENTILATION
Continued
Figure 3 - Ventilation Air from Inside
Building
Or
Remove
Door into
Adjoining
Room,
Option
3
Ve ntilation Grills
Into Adjoining Room,
Option 2
Ve ntilation
Grills
Into Adjoining
Room,
Option 1
12"
12"
B. Vent room directly to the outdoors. See
Ventilation Air From Outdoors, page 8.
C. Install a lower Btu/Hr replace, if lower Btu/Hr
size makes room unconned.
If the actual Btu/Hr used is less than the maximum
Btu/Hr the space can support, the space is an
unconned space. You will need no additional
fresh air ventilation.
WARNING: If the area in
-
National Fuel Gas Code, ANSI
Z223.1/NFPA 54, the Internation-
al Fuel Gas Code,
VENTILATION AIR
This fresh air would come from an adjoining
unconned space. When ventilating to an
adjoining unconned space, you must provide
two permanent openings: one within 12" of the
ceiling and one within 12" of the oor on the
wall connecting the two spaces (see options
1 and 2, Figure 3). You can also remove door
into adjoining room (see option 3, Figure 3).
Follow the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Air for Combustion and
Ventilation for required size of ventilation
grills or ducts.
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INSTALLATION
WARNING: Never install the
-
currents move heat to wall sur-
smoke, aromatic candles, clean-
Figure 4 - Ventilation Air from Outdoors
Outlet
Air
V e ntilated
Attic
Outlet
Air
Inlet
Air
Inlet Air V e ntilated
Crawl Space
T o
Crawl
Space
T o Attic
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation
grills or ducts. You must provide two perma-
nent openings: one within 12" of the ceiling
and one within 12" of the oor. Connect these
items directly to the outdoors or spaces open
to the outdoors. These spaces include attics
and crawl spaces. Follow the National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Air for
Combustion and Ventilation for required size
of ventilation grills or ducts.
IMPORTANT: Do not provide openings for
inlet or outlet air into attic if attic has a thermo-
stat-controlled power vent. Heated air entering
the attic will activate the power vent.
AIR FOR COMBUSTION AND VENTILATION
Continued
NOTICE: This heater is intended
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WARNING: Make sure the
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113109-01G 9
Figure 5 - Installing Hood to Firebox
Note: Your replace is designed to be used in
zero clearance installations. Wall or framing ma-
terial can be placed directly against any exterior
surface on the rear, sides or top of your replace,
except where standoff spacers are integrally at-
tached. If standoff spacers are attached to your
replace, these spacers can be placed directly
against wall or framing materials.
Use the dimensions shown for rough openings
to create the easiest installation. See Built-In
Fireplace Installation, page 12.
IMPORTANT: Vent-free heaters add moisture
to the air. Although this is benecial, installing
replace in rooms without enough ventilation
air may cause mildew to form from too much
moisture. See Air for Combustion and Ventila-
tion, page 6.
IMPORTANT: Make sure the replace is level.
If replace is not level, log set will not work
properly.
Use the correct gas type (natural or propane/
LP) for your replace. If your gas supply is not
correct, do not install replace. Call dealer
where you bought replace for proper type
replace.
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This replace accepts a blower assembly with
an electrical cord. The electrical cord is ve feet
in length. You must locate replace within reach
of a 120 volt grounded electrical outlet. If not,
you must install an electrical outlet within reach
of replace power cord. The GA3555 outlet
accessory is used for built-in applications with
blower accessory installed.
INSTALLING HOOD
Install hood to top of rebox as shown in
Figure 5. Use 3 Phillips screws provided.
INSTALLATION
Continued
Figure 6 - Assembling Perimeter Trim
Side Trim
Top
Trim
Slot
Mitered
Edge
Slot
Shim
Set Screws
Adjusting
Plate
ASSEMBLING AND ATTACHING
OPTIONAL PERIMETER TRIM
IMPORTANT: If you are recessing the re-
box in a wall, do not attach perimeter trim at
this time. See Built-In Fireplace Installation,
page 12.
Note: The instructions below show assembling
and attaching perimeter trim to replace.
1. Remove packaging from three pieces of
perimeter trim.
2. Locate four perimeter 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 6.
4. Slide one end of adjusting plate/shim in
slot on mitered edge of top perimeter trim
(see Figure 6).
5. Slide other end of adjusting plate/shim in
slot on mitered edge of side perimeter trim
(see Figure 6).
6. While rmly holding edges of perimeter trim
together, tighten both set screws on the
adjusting plate with slotted screwdriver.
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INSTALLATION
Continued
Figure 9 - Placing Hearth Base
Accessory Against Wall
Electrical
Outlet
Hearth
Base
Rigid
Gas
Line
Gas
Line
Access
Hole
Figure 8 - Minimum Clearance for
Combustible to Wall
*Minimum 16" from Side Wall
Example
*
INSTALLATION CLEARANCES
WARNING: Maintain the
Carefully follow the instructions below. This
will ensure safe installation.
A. Clearances from the side of the replace
cabinet to any combustible material and
wall should follow diagram in Figure 8.
Example: The face of a mantel, bookshelf,
etc. is made of combustible material and
protrudes 3 1/2" from the wall. This com-
bustible material must be 4" from the side
of the replace opening (see Figure 8).
B.
Clearances from the top of the replace
opening to the ceiling should not be less
than 42".
CONVENTIONAL FIREPLACE
INSTALLATION
Conventional installation of this fireplace
involves installing replace along with the
corner, face or cabinet mantel with hearth
base accessories against a wall in your home.
Follow the instructions below to install the
replace in this manner.
1. Assemble cabinet mantel, hearth base
and trim accessories. Assembly instruc-
tions are included with each accessory.
2. When installing blower, install a properly
grounded, 120 volt three-prong electrical
outlet at replace location if an outlet is not
there. If possible, locate outlet so cabinet
mantel will cover it when installed (see
Figure 9).
Figure 7 - Attaching Perimeter Trim to
Fireplace
Trim
Hanging
Screws
Assembled
Trim
Hanging
Notches
on Trim
7. Repeat steps 1 through 6, page 9, for
other side.
8. Tighten trim hanging screws (#10 x 6.25
shoulder) into holes in cabinets. Place
the assembled trim onto replace cabinet.
Align hanging notches on trim with hang-
ing screws on side of replace (see Figure
7). Push trim rmly into place, sliding
hanging notches over hanging screws.
MINIMUM CLEARANCE TO
COMBUSTIBLE MATERIALS
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113109-01G 11
3.
Install gas piping to replace location. This
installation includes an approved exible
gas line (if allowed by local codes) after
the equipment shutoff valve. The exible
gas line must be the last item installed on
the gas piping. See Installing Gas Piping
to Fireplace Location, page 13.
4. Place hearth base accessory against wall
at installation location. Cut an access hole
in hearth top to run exible gas line to re-
place (see Figure 9, page 10). Make sure
to locate access hole so cabinet mantel
will cover it when installed.
Note: You can secure base to oor using
wood screws. Countersink screw heads
and putty over.
5. Route exible gas line through access
hole in hearth base.
6. Center cabinet mantel on hearth base
(see Figure 10). Make sure mantel is ush
against wall.
7. Break off nailing anges (see Figure 11)
with hammer or pliers.
8. Place cardboard or other protective mate-
rial on top of hearth base. Carefully set
replace on protective material, with back
of replace inside mantel opening.
9. Attach exible gas line from replace gas
regulator to gas supply. See Connecting
Fireplace to Gas Supply, page 15.
10. If blower is installed, route blower electri-
cal cord through access holes in either
side of replace.
INSTALLATION
Continued
Figure 10 - Installing Cabinet Mantel
Cabinet
Mantel
Note: Bushing may be moved if neces-
sary. Plug electrical cord into electrical
outlet.
11. Carefully insert fireplace into cabinet
mantel. Be careful not to scratch or dam-
age hearth base, cabinet mantel or any
laminate trim on hearth base. Remove
protective material from top of hearth base
and from front of replace (if any).
Note: You can secure replace to hearth.
Open lower louver. Locate screw holes
in bottom of base. Tighten wood screws
through these holes and into hearth.
12. Check all gas connections for leaks. See
Checking Gas Connections, page 15.
Figure 11 - Location of Nailing Flanges
Nailing
Flanges
Figure 12 - Inserting Fireplace Into
Cabinet Mantel
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INSTALLATION
Continued
BUILT-IN FIREPLACE INSTALLATION
Built-in installation of this replace involves
installing replace into a framed-in enclosure.
This makes the front of replace ush with
wall. If installing a mantel above the replace,
you must follow the clearances shown in Fig-
ure 16, page 13. Follow the instructions below
to install the replace in this manner.
Actual Framing
Height 32 3/8" 33"
Front Width 34 5/16"35 1/2"
Depth 16 11/16"17 3/4"
1. Frame in rough opening. Use dimensions
shown in Figure 13 for the rough opening.
If installing in a corner, use dimensions
shown in Figure 14 for the rough opening.
The height is 33" which is the same as the
wall opening above.
2. If using blower, install and properly ground
GA3555, three-prong 120 volt electrical
outlet, in replace. Follow instructions in-
cluded in kit (see Accessories, page 34).
3. Install gas piping to replace location. This
installation includes an approved exible
gas line (if allowed by local codes) after
the equipment shutoff valve. The exible
gas line must be the last item installed on
the gas piping. See Installing Gas Piping
to Fireplace Location, page 13.
4. Carefully set replace in front of rough
opening with back of replace inside wall
opening.
5. Plug electrical cord into electrical outlet
installed in step 2.
6. Carefully insert fireplace into rough
opening.
7. Attach exible gas line to gas supply.
See Connecting Fireplace to Gas Supply,
page 15.
8. Attach replace to wall studs using nails
or wood screws through holes in nailing
ange (see Figure 15).
9. Check all gas connections for leaks. See
Checking Gas Connections, page 15.
10. Install perimeter trim after nal nishing
and/or painting of wall (see Figure 7,
page 10 ).
35
1
/
2
"
17
3
/
4
"
33"
Figure 13 - Rough Opening for Installing
in Wall
39
3/8
"
27
7/8
"
55
5/8
"
35
1/2
"
Figure 14 - Rough Opening for Installing
in Corner
Figure 15 - Attaching Fireplace to Wall
Studs
Nailing
Flanges
Nails or
Wood
Screws
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113109-01G 13
INSTALLATION
Continued
Mantel Clearances for Built-In
Installation
If placing mantel above built-in replace, you
must meet minimum clearance between man-
tel shelf and top of replace opening.
NOTICE: If your installation does
not meet the minimum clear-
ances shown, you must do one
-
-
-
Follow all minimum clearances
Figure 16 - Minimum Mantel Clearances
for Built-In Installation
Supplied
Firebox
Hood
Must Be
Used at
All Times
Wire-mesh
Screen
Firebox
Noncombustible
Material May
Project Off this
Surface above
the Firebox
Hood
Mantel Shelf
13" 16" 19" 21"
2 1/2"
6"
8"
10"
Note: All vertical
measurements are
from top of fireplace
hood opening to
bottom of mantel
shelf. These minimum
clearances replace any
other recommended
clearances supplied
with your ANSI Z21.11.2
approved gas logs.
Wall board or facing
material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments or
other similar projec-
tions off of the facing
material. Framing
Material
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
-
WARNING: Never connect
Installation Items Needed
Before installing replace, make sure you
have the items listed below.
• external regulator for propane/LP unit only
(supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• tee joint
• pipe wrench
• approved exible gas line with gas connector
(if allowed by local codes) (not provided)
* A CSA design-certied equipment shutoff
valve with 1/8" NPT tap is an acceptable al-
ternative to test gauge connection. Purchase
the optional CSA design-certied equipment
shutoff valve from your dealer.
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For propane/LP units, the installer must
supply an external regulator. The external
regulator will reduce incoming gas pressure.
You must reduce incoming gas pressure to
between 11" and 14" of water. If you do not re-
duce incoming gas pressure, heater regulator
damage could occur. Install external regulator
with the vent pointing down as shown in Figure
17. Pointing the vent down protects it from
freezing rain or sleet.
CAUTION: Use only new,
-
Installation must include an equipment shutoff
valve, union and plugged 1/8" NPT tap. Locate
NPT tap within reach for test gauge hook up.
NPT tap must be upstream from replace (see
Figure 18).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment
shutoff valve is for turning on or shutting off
the gas to the appliance.
Check your building codes for any special
requirements for locating equipment shutoff
valve to replaces.
Figure 17 - External Regulator on
Propane/LP Supply Tank with Vent
Pointing Down
External
Regulator
Vent
Pointing
Down
Propane/LP
Supply Tank
INSTALLATION
Continued
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from
going into pipe. Excess sealant in pipe could
result in clogged replace valves. Never use
sealant on are threads.
We recommend that you install a sediment
trap in supply line as shown in Figure 18.
Locate sediment trap where it is within reach
for cleaning. Install in piping system between
fuel supply and replace. Locate sediment
trap where trapped matter is not likely to
freeze. A sediment trap traps moisture and
contaminants. This keeps them from going
into replace gas controls. If sediment trap
is not installed or is installed wrong, replace
may not run properly.
Figure 18 - Gas Connection
* Purchase the optional CSA design-certied
equipment shutoff valve from your dealer.
** Minimum inlet pressure for purpose of input
adjustment.
Sediment Trap
CSA Design-Certied
Equipment Shutoff Valve
With 1/8" NPT Tap*
3" Minimum
Cap Pipe Tee
Nipple Joint
Natural Gas
From Gas Meter
(5" W.C.** to
10.5" W.C. Pressure)
From External
Regulator
(11" W.C.** to
14" W.C.
Pressure)
www.desatech.com
113109-01G 15
INSTALLATION
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 replace screen. Remove two
screws that hold replace screen in place
for shipping. These screws are located
near top of screen. Discard screws. Lift
replace screen up and pull out to re-
move.
2. Remove screws that attach log base
assembly to replace. Carefully lift up
log base assembly and remove from
replace. See Figure 19.
Note: If adding the G8005 series brick liner
accessory, install it now. Follow instructions
in G8005 accessory kit.
3. Route gas line (provided by installer)
from equipment shutoff valve to replace.
Route exible gas supply line through one
of the access holes.
Figure 19 - Removing Log Base
Assembly From Fireplace
-
4. Attach the exible gas line to gas supply.
Check tightness of exible gas line at-
tached to gas regulator of replace. See
Figure 20.
5. Check all gas connections for leaks. See
Checking Gas Connections.
6. Replace log base assembly back into
replace. Feed exible gas line into re-
place base area while replacing log base
assembly. Make sure the entire exible
gas line is in replace base area. Reat-
tach log base assembly to replace with
screws removed in step 2.
Figure 20 - Attaching Flexible Gas Lines
Together
Flexible Gas Line
from Fireplace
Gas Regulator
To Fireplace Gas
Regulator Equipment Shutoff Valve
Provided by Installer
To External
Regulator
Natural Gas
To Gas Meter
and connections, internal and
external to unit, for leaks after
WARNING: Never use an
-
www.desatech.com 113109-01G16
INSTALLATION
Continued
CAUTION: Make sure exter-
Connecting Fireplace to Gas
Supply
PRESSURE TESTING GAS SUPPLY
PIPING SYSTEM
1. Disconnect replace with its appliance
main gas valve (control valve) and equip-
ment shutoff valve from gas supply piping
system. Pressures in excess of 1/2 psig
will damage replace regulator.
2. Cap off open end of gas pipe where equip-
ment shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas or using compressed air.
4. Check all joints of gas supply piping sys-
tem. Apply noncorrosive leak detection uid
to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect fireplace and equipment
shutoff valve to gas supply. Check recon-
nected ttings for leaks.
1. Close equipment shutoff valve (see Fig-
ure 21).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas or using compressed air.
3. Check all joints from gas meter to equip-
ment shutoff valve for natural gas or
propane/LP supply to equipment shutoff
valve for propane/LP (see Figures 22 or
23). Apply noncorrosive leak detection
uid to all joints. Bubbles forming show a
leak.
4. Correct all leaks at once.
Figure 21 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff
Valve
Figure 23 - Checking Gas Joints for
Propane/LP Gas
Equipment
Shutoff Valve
Gas Control Valve
Gas Meter
Figure 22 - Checking Gas Joints for
Natural Gas
Equipment Shutoff Valve
Propane/LP
Supply Tank
Gas Control Valve
PRESSURE TESTING FIREPLACE GAS
CONNECTIONS
1. Open equipment shutoff valve (see Fig-
ure 21).
2. Open main gas valve located on or near
gas meter for natural gas or open pro-
pane/LP supply tank valve.
3. Make sure control knob of replace is in
the OFF position.
4. Check all joints from equipment shutoff
valve to gas control valve (see Figures
22 or 23). Apply noncorrosive leak de-
tection uid to all joints. Bubbles forming
show a leak.
www.desatech.com
113109-01G 17
INSTALLATION
Continued
5. Correct all leaks at once.
6. Light replace (see Operation, page 19.
Check all other internal joints for leaks.
7. Turn off replace (see To Turn Off Gas to
Appliance, page 20).
INSTALLING LOGS
CAUTION: Do not remove the
-
WARNING: After installa-
-
It is very important to install the logs exactly
as instructed. Do not modify logs. Only use
logs supplied with replace.
1. Place back log #1 on grate to t as il-
lustrated in Figure 24. Make sure middle
section at bottom of log set is seated into
“U”-shaped cutout in center of chassis
(see Figure 24). IMPORTANT: Make sure
log does not cover any burner ports (see
Figure 25).
2. Place front log #2 against front grate
prongs as shown in Figure 24.
3. Place crossover log #3 on top of front and
back logs as shown in Figure 24.
Figure 24 - Installing Log Set
Chassis
Crossover
Log #3
Burner
Front
Log #2 Back
Log #1
Grate
Prongs
Figure 25 - Installing Log Set, Top View
Log Set
Burner Ports
4. Install replace screen by slipping notches
of replace screen over screws on front
of replace (see Figure 26, page 18).
-
www.desatech.com 113109-01G18
INSTALLATION
Continued
Notches
Figure 26 - Installing Fireplace Screen
Screws for
Mounting Screen
OPTIONAL WIRELESS HAND-HELD
REMOTE CONTROL ACCESSORIES
1. Disconnect switch wires from the con-
trol valve.
2. Remove screws attaching switch plate.
3. Remove switch plate (see Figure 27).
Discard after removing.
4. Install remote receiver unit onto gas log
heater base using mounting clips.
5. Push clips rmly into place (see Figure 28).
6. Connect wires as shown in Figure 29.
Figure 27 - Switch Plate and Wiring
Harness
Figure 28 - Installing Remote Receiver
Valve
White Wire
From Receiver
Screw
Switch Plate Wires
Remote
Switch
Bracket
Ignitor
Remote Receiver
Mounting
Clips
Figure 29 - Connecting Wires
Red Wire From
Receiver
INSTALLING 9-VOLT BATTERIES
Two 9-volt batteries (not included) are re-
quired to operate this heater with the wireless
hand held remote control set. Install one bat-
tery in the receiver and one in the hand-held
remote control unit.
Note: Only use alkaline batteries.
1. Locate back of receiver under front burner
of heater.
2. Locate the battery clip mounted on the
back of the receiver.
3. Slide a 9-volt battery through the clip.
4. Attach the terminal wires to the battery.
Figure 30 - Installing Battery in Remote
Receiver
Battery Clip
9-Volt Battery
Remote
Receiver
Terminal Wires
www.desatech.com
113109-01G 19
INSTALLATION
Continued
Remote Control Unit
1. Remove battery cover on back of remote
control unit.
2. Attach terminal wires to the battery. Place
battery into the battery housing.
3.
Replace battery cover onto remote con-
trol unit.
Figure 31 - Installing Battery in Hand-
Held Remote Control Unit
Battery
Cover
Terminal
Wires
Remote
Control Unit
9-Volt Battery
Battery
Housing
OPERATION
LIGHTING
INSTRUCTIONS
-
1. STOP! Read the safety information,
column 1.
2. Make sure equipment shutoff valve is
fully open.
3. Set selector switch in OFF position.
WARNING: Burner will come
on automatically within one
minute when the selector switch
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not fol-
low these instructions exactly,
-
-
WHAT TO DO IF YOU SMELL GAS
-
www.desatech.com 113109-01G20
O
F
F
P
I
L
O
T
L
O
I
H
AU TO
OFF
ON
O
N
Figure 32 - Control Knob and Ignitor
Button Location (Shown as Supplied, No
Control Options)
Control Knob
Ignitor Button
Selector Switch
Flame Adjustment
Knob
4. Press in and turn control knob clockwise
to the OFF position.
5. Wait ve (5) minutes to clear out any gas.
Then smell for gas, including near the
oor. If you smell gas, STOP! Follow “B”
in the safety information
, page 19
. If you
don’t smell gas, go to the next step.
6. Press in and turn control knob counter-
clockwise to the PILOT position.
Press in control knob for ve (5) seconds
(see Figure 32).
Note: You may be running this heater for
the rst time after hooking up to gas sup-
ply. If so, the control knob may need to be
pressed in for 30 seconds or more. This will
allow air to bleed from the gas system.
7. With control knob pressed in, press and
release ignitor button. This will light pilot.
The pilot is attached to the front burner. If
needed, keep pressing ignitor button until
pilot lights.
Note: If pilot does not stay lit, contact a
qualied service person or gas supplier for
repairs. Until repairs are made, light pilot
with match. To light pilot with match, see
Manual Lighting Procedure, page 21.
8. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob.
• If control knob does not pop out when
released, contact a qualied service
person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4
through 8.
9. Slightly push in and turn control knob coun-
terclockwise to the ON position.
10. Wait one minute and switch selector
switch to the ON position to light burner.
Figure 33 - Pilot (Propane/LP)
Ignitor
Electrode
Pilot Burner
Figure 34 - Pilot (Natural)
Pilot Burner
Ignitor
Electrode
OPERATION
Continued
11. Set ame adjustment knob to any level
between HI and LO.
12. To leave pilot lit and shut off burners only:
turn control knob clockwise to the
PILOT position, or use remote control
manual OFF button, or set selector switch
in the OFF position.
CAUTION: Do not try to ad-
WARNING: Make sure the
selector switch is in the OFF
-
cally with selector switch in the
TO TURN OFF GAS
TO APPLIANCE
1. Turn control knob clockwise to the
OFF position.
2a. Set selector switch in the OFF position.
2b. If Using Optional Hand-Held Remote: Set
selector switch in the OFF position to keep
from draining the battery.
3. Close equipment shutoff valve (see Fig-
ure 21, page 16).
This manual suits for next models
6
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