Desa CDCFPRA Specification sheet
UNVENTED (VENT-FREE) GAS COMPACT CLASSIC HEARTH®
DUAL BURNER FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
For more information, visit www.desatech.com
REMOTE-READY MODELS CDCFNRA AND CDCFPRA
WARNING: If the information in this manual is not fol-
— WHAT TO DO IF YOU SMELL GAS
• Do not touch any electrical switch; do not use any
•
—
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Mantel/Hearth Base Accessory
www.desatech.com 116658-01D2
SAFETY INFORMATION
TABLE OF CONTENTS
Safety Information ............................................... 2
Product Identication........................................... 4
Optional Remote Control Accessories................. 4
Local Codes......................................................... 5
Product Features................................................. 5
Unpacking............................................................ 5
Hood Assembly.................................................... 5
Air for Combustion and Ventilation ...................... 6
Installation ........................................................... 8
Operating Fireplace........................................... 22
Inspecting Burners............................................. 25
Cleaning and Maintenance................................ 26
Troubleshooting................................................. 27
Specications .................................................... 31
Wiring Diagram.................................................. 31
Illustrated Parts Breakdown and Parts List........ 32
Replacement Parts............................................ 36
Service Hints ..................................................... 36
Technical Service............................................... 36
Accessories ....................................................... 37
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alteration, service, or
maintenance can cause
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for correct installation
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additional information
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WARNING: This is an
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from the room in which
and ventilation air must
Air
for Combustion and Ven-
tilation
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stalled in an aftermarket,*
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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-red supplemental room heaters shall
provide to each purchaser a copy of 527
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in the
Commonwealth of Massachusetts.
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116658-01D 3
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known to the State of California
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Early signs of carbon
monoxide poisoning resemble the u, with head-
aches, 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
others. These include pregnant women, people with
heart or lung disease or anemia, those under the
inuence of alcohol, and those at high altitudes.
Natural and pro-
pane/LP gases are odorless. An odor-making agent
is added to the gas. The odor helps you detect a gas
leak. However, the odor added to the gas can fade.
Gas may be present even though no odor exists.
Make certain you read and understand all warnings.
Keep this manual for reference. It is your guide to
safe and proper operation of this replace.
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SAFETY INFORMATION
Continued WARNING: Do not allow fans
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away from hot surfaces to avoid
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dren when they are in the room
hand-held remote accessory,
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Figure 1 - Vent-Free Compact Dual Flame
Fireplace
O
F
F
P
I
L
O
T
O
N
H
I
L
O
Hood
Fireplace
Cabinet
Logs
Ignitor
Button
Remote
Control
(Optional)
Control Knob
OPTIONAL REMOTE
CONTROL ACCESSORIES
There are four optional remote controls that
can be purchased separately for Remote-Ready
Models only:
• wall switch •
hand-held ON/OFF remote
• wall thermostat
• hand-held thermostat remote
See Accessories, page 38.
SAFETY INFORMATION
Continued
1.
This appliance is only for use with the type of
gas indicated on the rating plate. This appliance
is not convertible for use with other gases.
2. Do not place propane/LP supply tank(s) in-
side any structure. Locate propane/LP supply
tank(s) outdoors.
3. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not use
any phone in your building
• immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions
• if you cannot reach your gas supplier, call
the re department
4. This replace shall not be installed in a bed-
room or bathroom.
5. Do not use this replace as a wood-burning
replace. Use only the logs provided with
the replace.
6. Do not add extra logs or ornaments such as
pine cones, vermiculite, or rock wool. Using
these added items can cause sooting. Do not
add lava rock around base. Rock and debris
could fall into the control area of replace.
7. This replace is designed to be smokeless. If
logs ever appear to smoke, turn off replace
and call a qualied service person. Note:
During initial operation, slight smoking could
occur due to log curing and replace burning
manufacturing residues.
8. To prevent the creation of soot, follow the
instructions in Cleaning and Maintenance,
page 26.
9. Before using furniture polish, wax, carpet
cleaner, or similar products, turn replace off.
If heated, the vapors from these products may
create a white powder residue within burner
box or on adjacent walls or furniture.
10. This replace needs fresh air ventilation to run
properly. This replace has an Oxygen Deple-
tion Sensing (ODS) safety shutoff system. The
ODS shuts down the replace if not enough
fresh air is available. See Air for Combustion
and Ventilation, page 6. If replace keeps
shutting off, see Troubleshooting, page 28.
11. Do not run replace
• where ammable liquids or vapors are used
or stored.
• under dusty conditions.
12. Do not use this replace to cook food or burn
paper or other objects.
13. Never place any objects in the replace or on
logs.
14. Do not use replace if any part has been under
water. Immediately call a qualied service
technician to inspect the room replace and to
replace any part of the control system and any
gas control which has been under water.
15. Turn off and unplug replace and let cool
before servicing. Only a qualied service
person should service and repair replace.
16. Operating replace above elevations of 4,500
feet could cause pilot outage.
17. Do not operate replace if log is broken. Do
not operate replace if log is chipped (dime-
sized or larger).
18.
To prevent performance problems, do not use pro-
pane/LP fuel tank of less than 100 lbs. capacity.
19. Provide adequate clearances around air
openings.
PRODUCT
IDENTIFICATION
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116658-01D 5
LINERS
1. Remove screws from top louver and carefully
remove louver (see Figure 2).
2. Remove ceramic brick liners with protective
packaging. The brick liners will be installed
later.
3. Remove yellow sticker from top of rebox.
4. Replace top louver using screws removed in
step 1.
Figure 2 - Removing Brick Liners
Top Louver
Screws
Wrapped
Brick Liners
LOCAL CODES
Install and use replace with care. Follow all local
codes. In the absence of local codes, use the lat-
est edition of The National Fuel Gas Code ANSI
Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
PRODUCT FEATURES
This replace has a pilot with an Oxygen Deple-
tion Sensing (ODS) safety shutoff system. The
ODS/pilot is a required feature for vent-free room
replaces. The ODS/pilot shuts off the replace if
there is not enough fresh air.
This replace has a piezo ignitor. This system
requires no matches, batteries, or other sources
to light replace.
UNPACKING
1. Remove fireplace and hood from carton.
Log is wrapped and inside replace. Do not
remove at this time.
2. Remove all protective packaging applied to
replace for shipment.
3. Make sure your replace includes one hard-
ware packet.
4. Check replace for any shipping damage. If
replace is damaged, promptly inform dealer
where you bought replace.
HOOD ASSEMBLY
WARNING: Always have
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Tools Required:
• Phillips screwdriver • slotted screwdriver
• 5/16" hex wrench • scissors
1. Cut two plastic straps to remove the log from
the rebox cavity. Set log aside.
2. An optional blower is available. See Acces-
sories, page 38. Install optional blower now.
Follow installation instructions provided with
blower and see page 14 or 15, depending on
your installation.
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Figure 3 - Assembling Hood
Hood
Sheet Metal
Screws
Firebox
Top
Louver
AIR FOR COMBUSTION
AND VENTILATION
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Today’s homes are built more energy efcient
than ever. New materials, increased insulation, and
new construction methods help reduce heat loss
in homes. Home owners weather strip and caulk
around windows and doors to keep the cold air out
and the warm air in. During heating months, home
owners want their homes as airtight as possible.
While it is good to make your home energy ef-
cient, your home needs to breathe. Fresh air must
enter your home. All fuel-burning appliances need
fresh air for proper combustion and ventilation.
Exhaust fans, 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.
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Section 5.3,
Air for Combustion and Ventilation.
All spaces in homes fall into one of the three fol-
lowing ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 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 unusually
tight construction, you must provide additional
fresh air.
construction where:
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2
and
and
If your home meets all of these three
Ventilation Air From
Outdoors
If your home does not meet all of the three
Determining
Fresh-Air Flow For Fireplace Location,
3. Locate four black phillips sheet metal screws
in hardware packet.
4. Slide hood between louver and rebox top and
align screw holes.
5. Insert screws as shown in Figure 3. Tighten
screws rmly.
HOOD ASSEMBLY
Continued
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116658-01D 7
3. Add the Btu/Hr of all fuel burning appliances in
the space.
Vent-free replace ___________ Btu/Hr
Gas water heater* ___________ Btu/Hr
Gas furnace ___________ Btu/Hr
Vented gas heater ___________ Btu/Hr
Gas replace logs ___________ Btu/Hr
Other gas appliances* + __________ Btu/Hr
Total = __________ Btu/Hr
* Do not include direct-vent gas appliances. Di-
rect-vent draws combustion air from the outdoors
and vents to the outdoors.
Example:
Gas water heater _____________Btu/Hr
Vent-free replace _____________Btu/Hr
Total _____________Btu/Hr
4. Compare the maximum Btu/Hr the space can
support with the actual amount of Btu/Hr used.
_______
Btu/Hr (maximum the space can support)
_______
Btu/Hr (actual amount of Btu/Hr used)
Example: 35,840 Btu/Hr (maximum the space
can support)
40,000 Btu/Hr (actual amount of
Btu/Hr used)
The space in the above example is a conned space
because the actual Btu/Hr used is more than the maxi-
mum Btu/Hr the space can support. You must provide
additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoin-
ing room. If the extra space provides an unconned
space, remove door to adjoining room or add
ventilation grills between rooms. See Ventilation
Air From Inside Building, page 8.
B. Vent room directly to the outdoors. See Ventila-
tion 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
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in the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 Section 5.3
AIR FOR COMBUSTION
AND VENTILATION
Continued
The National Fuel Gas Code, ANSI Z223.1/NFPA
54 denes a conned space as a space whose
volume is less than 50 cubic feet per 1,000 Btu
per hour (4.8 m3 per kw) of the aggregate input
rating of all appliances installed in that space and
an unconned space as a space whose volume is
not less than 50 cubic feet per 1,000 Btu per hour
(4.8 m3 per kw) of the aggregate input rating of
all appliances installed in that space. Rooms com-
municating directly with the space in which the
appliances are installed*, through openings not
furnished with doors, are considered a part of the
unconned space.
* Adjoining rooms are communicating only if
there are doorless passageways or ventilation grills
between them.
DETERMINING FRESH-AIR FLOW
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 pas-
sageways 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 16 ft. (length) x 14 ft.
(width) x 8 ft. (ceiling height) = 1792 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: 1792 cu. ft. (volume of space) x 20 =
35,840 (maximum Btu/Hr the space can support)
30,000
+ 10,000
= 40,000
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AIR FOR COMBUSTION
AND VENTILATION
Continued
VENTILATION AIR
This fresh air would come from an adjoining un-
conned space. When ventilating to an adjoining
unconned space, you must provide two perma-
nent openings: one within 12" of the ceiling and
one within 12" of the oor on the wall connecting
the two spaces (see options 1 and 2, Figure 4). You
can also remove door into adjoining room (see
option 3, Figure 5). Follow the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for
Combustion and Ventilation for required size of
ventilation grills or ducts.
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or
ducts. You must provide two permanent openings:
one within 12" of the ceiling and one within 12"
of the oor. Connect these items directly to the
outdoors or spaces open to the outdoors. These
spaces include attics and crawl spaces. Follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54,
Section 5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet
or outlet air into attic if attic has a thermostat-
controlled power vent. Heated air entering the attic
will activate the power vent.
Outlet
Air
Ventilated
Attic
Outlet
A
ir
Inlet
Air
Inlet Air Ventilated
Crawl Space
To
Crawl
Space
To Attic
Figure 4 - Ventilation Air from Inside
Building
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
Option 2
Ventilation
Grills
Into Adjoining
Room,
Option 1
12"
12"
Figure 5 - Ventilation Air from Outdoors
INSTALLATION
NOTICE: This heater is intended
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WARNING: Never install the
• in a recreational vehicle
• where curtains, furniture,
• in windy or drafty areas
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116658-01D 9
WARNING: Never install in a
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currents move heat to wall sur-
smoke, aromatic candles, clean-
IMPORTANT: Vent-free replaces 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 Ventilation, page 6.
Note: Your replace is designed to be used in zero
clearance installations. Wall or framing material can be
placed directly against any exterior surface on the rear,
sides, or top of your replace, except where standoff
spacers are integrally attached. If standoff spacers are
attached to your replace, these spacers can be placed
directly against wall or framing materials.
Note: When installing replace directly on carpet-
ing, tile or other combustible material, other than
wood ooring, the replace shall be installed on a
metal or wood panel extending the full width and
depth of the replace.
Use the dimensions shown for rough openings to
create the easiest installation (see Built-In Fire-
place Installation, page 10).
Use the correct gas type (natural or propane/LP)
for your unit. If your gas supply is not correct, do
not install replace. Call dealer where you bought
replace for proper type replace.
INSTALLATION
Continued
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INSTALLATION ITEMS
Before installing replace, make sure you have
the items listed below.
• external regulator (supplied by installer, for
propane/LP units only)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection*
• ground joint union
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certied equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to
test gauge connection. Purchase the optional CSA
design-certied equipment shutoff valve from your
dealer. See Accessories, page 38.
Note: If desired, purchase a four-sided brass trim
kit for built-in installations. See Accessories,
page 38.
WARNING:Maintainthe mini-
If your replace is to be used with an optional
mantel, the installation instructions included with
your mantel shows an CSA approved method of
attaching the replace/mantel system to a wall.
IMPORTANT: Only use optional cabinet or
corner mantels specied in this manual. Purchase
the optional mantel from your dealer (see Acces-
sories, page 38).
If your replace is to be recessed into the wall, see
Built-In Fireplace Installation, page 10, to secure
your replace into the wall.
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CAUTION: If you install the
For convenience and efciency, install replace
• where there is easy access for operation, inspec-
tion, and service
• in coldest part of room
An optional blower kit is available from your
dealer. See Accessories, page 38. If planning to use
blower, follow instructions provided with blower
for power source.
Minimum Clearances For Side
A. Clearances from the side of the fireplace
cabinet to any combustible material and wall
should follow diagram in Figure 6.
Example: The face of a mantel, bookshelf,
etc. is made of combustible material and
protrudes 3 1/2" from the wall. This combus-
tible material must be 4" from the side of the
replace opening (see Figure 6).
B.
Clearances from the top of the replace opening
to the ceiling should not be less than 36".
C.
For mantel clearances, see Figure 10, page 12.
MINIMUM CLEARANCE TO
COMBUSTIBLE MATERIALS
Left and
Bottom
and Rear
36" 6" 0"
Figure 6 - Minimum Clearance for
Combustible to Wall
*Minimum 16" from Side Wall
*
Example
INSTALLATION
Continued
INSTALLATION
Built-in installation of this fireplace involves
installing replace into a framed-in enclosure.
This makes the front of replace ush with wall.
An optional brass trim kit accessory is available
(see Accessories, page 38). Brass trim will extend
past sides of replace approximately 1/2". This
will cover the rough edges of the wall opening.
If installing a built-in mantel above the replace,
you must follow the clearances shown in Figure 11,
page 12. Follow the instructions below to install
the replace in this manner.
Actual Framing
Height 26" 26 7/8"
Front Width 26 3/4" 26 7/8"
Depth 14 1/4" 15 1/4"
1. Frame in rough opening. Use dimensions
shown in Figure 7 for the rough opening. If
installing in a corner, use dimensions shown in
Figure 8 for the rough opening. The height is
26 7/8" which is the same as the wall opening
above.
2. If installing GA3450TA blower accessory, do
so at this time. Follow instructions included
with blower accessory.
Note: If not installing blower accessory, you
may wish to run electrical wiring to your
replace for future blower installation (see
Accessories, page 38). Use only approved
three-wire electrical wiring.
Figure 8 - Rough Opening for Installing
in Corner
Figure 7 - Rough Opening for Installing
in Wall
435
/
16"
305
/
8"
611
/
4"
267
/
8"
26
7/8
"
26
7/8
"
3/4" Off
The Floo
r
Minimum
15
1/4
"
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116658-01D 11
INSTALLATION
Continued
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cal outlet is included with the
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Note: A qualied installer should make all electri-
cal connections.
3. Install gas piping to replace location. This
installation includes an approved exible gas
line (if allowed by local codes) after the equip-
ment shutoff valve. The exible gas line must
be the last item installed on the gas piping.
4. If you have not installed hood, follow instruc-
tions on page 6.
5. Carefully set replace in front of rough opening
with back of replace inside wall opening.
6. Attach exible gas line to replace gas regula-
tor. See Connecting Equipment Shutoff Valve
to Heater Control, page 17.
7. Bend four nailing anges on outer casing with
pliers (see Figure 9).
8.
Attach replace to wall studs using nails or
wood screws through holes in nailing ange.
Figure 9 - Attaching Fireplace to Wall
Studs
Nailing
Flanges
Nails or
Wood
Screws
Wall Studs
9.
Check all gas connections for leaks. See Check-
ing Gas Connections, page 17.
10. If using optional brass trim kit, install the trim
after nal nishing and/or painting of wall.
See instructions included with brass trim ac-
cessory for attaching brass trim.
IMPORTANT: When finishing your firebox,
combustible materials such as wall board, gypsum
board, sheet rock, drywall, plywood, etc. may be
butted up next to the sides and top edge of the re-
box. Combustible materials should never overlap
the rebox front facing.
WARNING: Do not allow any
WARNING: Do not allow
materialstocoveranynecessary
WARNING: Never modify or
cover the louvered slots on the
Mantel Clearances for Built-In
Installation
If placing mantel above built-in replace, you
must meet minimum clearance between mantel
shelf and top of replace opening (see Figure
10, page 12).
minimum clearances shown in
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15"
18"
21"
23"
2
1
/
2
"
6"
8"
10"
Note:
A
ll vertical
measurements
are from top of
fireplace
opening to
bottom of
mantel shelf. All
measurements
are in inches.
INSTALLATION
Continued
NOTICE: If your installation does
not meet the minimum clear-
-
• remove the mantel
Figure 10 - Minimum Mantel Clearances
for Built-In Installation
Mantel Shelf
Side of Firebox
Refer to instructions provided with the mantel
for assembly instructions. Refer to the follow-
ing instructions for system installation. Refer to
instructions on page 6 for hood assembly. Blower
accessory should be installed prior to mantel if
it is being used (see Installing Optional Blower
Accessory GA3450TA, page 13).
1. Assemble cabinet mantel as shown in acces-
sory instruction sheet.
2. If blower is installed, install a properly
grounded, 120 volt three-prong electrical out-
let at replace location if an outlet is not there.
If possible, locate outlet so cabinet mantel will
cover it when installed (see Figure 11).
3. Place hearth base against wall at installation
location. Cut an access hole in hearth base to
run gas line to replace (see Figure 11). Make
sure to locate access hole so cabinet mantel will
cover it when installed. Note: You can secure
base to oor using wood screws. Countersink
screw heads and putty over.
Figure 11 - Placing Hearth Base Against Wall
Figure 12 - Installing Cabinet Mantel onto
Hearth Base
Hearth
Base
Electrical
Outlet
Pipe and Gas
Shutoff Valve
Cabinet
Mantel
Hearth
Base
4. Route exible gas line through access hole in
hearth base.
5. Center cabinet mantel on hearth base (see
Figure 12). Make sure mantel is ush against
wall and centered left to right on base.
6. Use screws provided with mantel accessory
to attach mantel assembly to base (see mantel
instruction sheet).
7. Attach exible gas line to replace gas regula-
tor. See Connecting to Gas Supply, page 16.
8. Route electrical cord(s) through access holes
in either side of replace with bushing. Plug
electrical cord(s) into electrical outlet.
9. Check all gas connections for leaks. See
Checking Gas Connections, page 17.
10. Carefully insert replace into cabinet mantel
(see Figure 13, page 13). Be careful not to
scratch or damage hearth base or cabinet
mantel.
11. Place metal trim on shoulder screws located
on the side and to of the replace (see Assem-
bling Perimeter Trim on page 13). Firmly snap
trim over shoulder screws. Align replace in
mantel assembly so the trim overlaps mantel
evenly on all three sides.
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116658-01D 13
INSTALLATION
Continued
12. Lower bottom louver door. Use 3" wood
screws provided with mantel accessory to at-
tach replace to base (see mantel instruction
sheet).
Figure 14 - Assembling Brass Trim
Side Brass
Trim
Top Brass
Trim
Mitered Edge
Shim
Set Screws
Adjusting
Plate
Slot
To install the blower accessory, you must rst
remove the upper louver.
1. Lift screen off replace and remove log set if
installed.
2. Remove 4 screws from upper louver (see
Figure 15). Save these screws.
3.
Pull upper louver straight out from the cabinet. Be
careful not to scratch the paint. Set louver aside.
4. Open lower louver door by swinging door
down (see Figure 15).
1. Remove packaging from three remaining
pieces of trim.
2. Locate two adjusting plates with set screws,
and two shims in the hardware packet.
3. Align shim under adjusting plate as shown in
Figure 14.
4.
Slide one end of adjusting plate/shim in slot on
mitered edge of top brass trim (see Figure 14).
5. Slide other end of adjusting plate/shim in slot
on mitered edge of side perimeter trim (see
Figure 14).
6. While rmly holding edges of perimeter trim
together, tighten both set screws on the adjust-
ing plate with slotted screwdriver.
7. Repeat steps 1 through 6 for other corner.
8. Set perimeter trim assembly aside for later
installation.
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-
Note: If you are using a mantel with your replace,
use the following instructions. If your replace is
built-in, see For Built-In Installation, page 15.
1. Install snap bushings found in blower kit into
hole in left side of outer casing and into one of
the holes in rear of remote/blower bracket.
2.
Make sure the wire harness is rmly connected to
the terminals on the blower bracket assembly.
3. Note the wire locations on back of AUTO/
OFF/ON switch. The terminals on back of
switch are numbered 1, 2, and 3. Carefully
remove red wire from terminal 3 and blue wire
from terminal 1. Black wire can remain on
middle terminal 2 (see Figure 16, page 14).
4.
Carefully disconnect green and white wires at their
insulated connectors (see Figure 16, page 14).
O
F
F
P
I
L
O
T
O
N
H
I
L
O
Figure 13 - Installing Fireplace into
Mantel Assembly
Figure 15 - Removing Top Louver and
Opening Bottom Louver
Cabinet
Mantel
Assembled
Trim
Hearth Base
Top
Louver
Bottom Louver
www.desatech.com 116658-01D14
INSTALLATION
Continued
5. In top of the replace cabinet, locate the four
mounting holes on the outer casing. Align
these four holes with those on the blower
bracket assembly. Attach blower bracket as-
sembly to the outer casing with 4 #10 screws
provided (see Figure 16).
6. Route the wire harness through the hole in left
side of bafe and between rebox wrapper and
outer casing.
7. Insert the 4 wire harnesses from behind the
remote/blower bracket through hole in rear
of bracket with bushing and through the left
rectangular hole to front of replace (see
Figure 16).
8. Reconnect red wire to switch position 3.
Reconnect blue wire to switch position 1.
Reconnect green and white wires.
9.
Install the switch plate on the remote/blower
bracket with 2 #10 screws provided (see Figure
18). Route power cord out of the cabinet by
inserting it through the bushing on the outer
casing (see Figure 16). Plug fan kit into 120-
Volt grounded power supply and test operation.
Note: When switch is in the AUTO position,
the fan will start after the replace has run for a
few moments. The fan will continue to run for
several moments after the replace has been
turned off. When switch is in the ON position,
the fan will run until turned to OFF.
3
2
1
O
F
F
P
I
L
O
T
O
N
H
I
L
O
Figure 16 - Installing Blower Bracket Assembly (Remote-Ready Unit Shown)
Wire Harness
Blower Bracket
Assembly
Screw
Wire Harness
Switch
Wiring Routing
Hole in Bafe
Switch Plate
Remote/
Blower
Bracket
Power
Cord
Lower Louver Door
Blower
Mounting
Holes
Figure 18 - Installing Switch Plate to
Remote/Blower Bracket
Figure 17 - Wiring Diagram For Blower
Accessory Standard Installation
Red
Red
Fan Switch
(Auto/Off/On)
Blue
Blue
Thermostat
Switch
(N.O.)
Green
White
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
2
3
Auto
Remote/
Blower
Bracket
Switch
Plate
Screw
10. Reinstall upper louver beginning with bottom
screws (see Figure 15, page 13). Close lower
louver door.
www.desatech.com
116658-01D 15
INSTALLATION
Continued
For Built-In Installation
WARNING: A licensed elec-
-
1. Install snap bushing from blower kit into
one hole on rear of remote/blower bracket
(see Figure 19). The other hole is for a strain
relief clamp (not supplied) to secure incoming
electrical supply.
2. Follow steps 2 through 6 in Installing Blower
Accessory, page 13.
3. A licensed electrician must follow the wiring
diagram to connect incoming electrical supply
to fan kit wiring harness (see Figure 20).
4. Plug power cord to outlet receptacle (not
provided) as shown in Figure 20. Wind extra
cable of power cord and tie up with plastic
wire strap (see Figure 19). Set cable bundle
between the remote/blower bracket and outer
casing, away from the burner.
5.
Test to make sure blower is working properly.
6. Reinstall upper louver beginning with bottom
screws (see Figure 15, page 13) and close
lower louver.
3
2
1
O
F
F
P
I
L
O
T
O
N
H
I
L
O
Blower Bracket
Assembly
Screw
Wire Harness
Switch
Plate
Switch
Power Cord
Outlet Receptacle
(not included) Remote/ Blower
Bracket
Clamp Connector
(not included)
Figure 19 - Installing Blower Bracket Assembly
Plastic Wire Strap Wire Harness
Lower Louver Door
Red
Red
Fan Switch
(Auto/Off/On)
Blue
Blue
Thermostat
Switch
(N.O.)
Green
White
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
2
3
Auto
Extension Cord
Use extension cord if needed. The cord must
have a three-prong, grounding plug and a three-
hole receptacle. Make sure cord is in good shape.
It must be heavy enough to carry the current
needed. An undersized cord will cause a drop in
line voltage. This will result in loss of power and
overheating. Use a No. 16 AWG cord for lengths
less than 50 feet.
Figure 20 - Wiring Diagram For Blower
Accessory Built-In Installation
www.desatech.com 116658-01D16
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 heater (see Figure 22).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment shutoff
valve is for turning on or shutting off the gas to
the appliance.
Check your building codes for any special re-
quirements for locating equipment shutoff valve
to replaces.
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from
going into pipe. Excess sealant in pipe could result
in clogged replace valves.
INSTALLATION
Continued
* Purchase the optional CSA design-certified
equipment shutoff valve from your dealer. See
Accessories, page 38.
Figure 22 - Gas Connection
CSA Design-Certied
Equipment Shutoff Valve
With 1/8" NPT Tap*
3" Minimum
Approved
Flexible
Gas Line
Pipe Nipple Cap Tee Joint
From External
Regulator (
11"
W.C.**
to 14" W.C.
Pressure)
NATURAL
From Gas Meter
(5" W.C.** to
10.5" W.C.
Pressure)
Sediment Trap
Propane/LP
Supply
Tank
External
Regulator
Figure 21 - External Regulator With Vent
Pointing Down
Vent
Pointing
Down
-
WARNING:Neverconnectnatu-
-
IMPORTANT: For natural gas, check gas line
pressure before connecting replace to gas line.
Gas line pressure must be no greater than 14" of
water. If gas line pressure is higher, heater regula-
tor damage could occur.
-
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 reduce incoming gas pressure, replace regulator
damage could occur. Install external regulator with the
vent pointing down as shown in Figure 21. Pointing
the vent down protects it from freezing rain or sleet.
CAUTION: Use only new,
-
www.desatech.com
116658-01D 17
INSTALLATION
Continued
We recommend that you install a sediment trap in
supply line as shown in Figure 22, page 16. Locate
sediment trap where it is within reach for cleaning.
Install in piping system between fuel supply and
heater. Locate sediment trap where trapped mat-
ter is not likely to freeze. A sediment trap traps
moisture and contaminants. This keeps them from
going into replace controls. If sediment trap is
not installed or is installed wrong, replace may
not run properly.
SHUTOFF VALVE TO HEATER
CONTROL
Installation Items Needed
• Phillips screwdriver
• sealant (resistant to propane/LP gas, not
provided)
1. Open lower louver (see Figure 23).
-
2. Route exible gas line, included, from re-
place control to equipment shutoff valve
through side access holes in outer casing.
3. Apply pipe joint sealant lightly to male threads
of gas connector attached to exible gas line/
equipment shutoff valve (see Figure 24).
4. Check all gas connections for leaks (see
Checking Gas Connections). Feed exible
gas line into replace. Make sure the entire
exible gas line is in replace.
Figure 23 - Flexible Gas Line Location
O
F
F
P
I
L
O
T
O
N
H
I
L
O
Lower Louver
Flexible Gas Line
Figure 24 - Attaching Flexible Gas Line
to Equipment Shutoff Valve
Flexible Gas Line
from Fireplace Gas
Regulator Provided
With Fireplace
To Control
Valve Equipment
Shutoff Valve
To External Regulator
NATURAL GAS
To Gas Supply
and connections, internal and
external to unit, for leaks after
WARNING: Never use an
-
CAUTION: Make sure exter-
Con-
necting to Gas Supply
www.desatech.com 116658-01D18
INSTALLATION
Continued
SYSTEM
1. Disconnect appliance with its appliance main
gas valve (control valve) and equipment
shutoff valve from gas supply piping system.
Pressures in excess of 1/2 psig will damage
heater regulator.
2. Cap off open end of gas pipe where equipment
shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas,
or using compressed air.
4. Check all joints of gas supply piping system.
Apply noncorrosive leak detection uid to all
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect replace and equipment shutoff
valve to gas supply. Check reconnected ttings
for leaks.
1.
Close equipment shutoff valve (see Figure 25).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas,
or using compressed air.
3. Check all joints from gas meter to equipment
shutoff valve for natural gas or propane/LP sup-
ply to equipment shutoff valve for propane/LP
(see Figures 26 or 27). Apply noncorrosive leak
detection uid to all joints. Bubbles forming
show a leak.
4. Correct all leaks at once.
CONNECTIONS
1.
Open equipment shutoff valve (see Figure 25).
2. Open main gas valve located on or near gas
meter for natural gas or open propane/LP
supply tank valve.
3. Make sure control knob of replace is in the
OFF position.
4. Check all joints from equipment shutoff valve
to gas control valve (see Figures 26 or 27).
Apply noncorrosive leak detection uid to all
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light replace (see Operating Fireplace, page
22). Check all other internal joints for leaks.
7.
Turn off replace (see To Turn Off Gas to Ap-
pliance, page 23).
Figure 26 - Checking Gas Joints
(Propane/LP Only)
Propane/LP
Supply
Tank
Equipment Shutoff Valve
Equipment
Shutoff Valve
Gas
Meter
Figure 27 - Checking Gas Joints (Natural
Gas Only)
Figure 25 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff
Valve
www.desatech.com
116658-01D 19
REMOTE CONTROL ACCESSORIES
1. Disconnect wires from the control valve (see
Figure 28).
2. Locate the battery clip mounted on the back
of the receiver (see Figure 29).
3. Slide 9-volt battery (not included) through the
clip.
4. Attach the terminal wires to the battery (see
Figure 29).
5. Connect wires from remote receiver to control
valve as shown in Figure 30.
6. Install remote receiver unit onto remote/
blower bracket using screws provided (see
Figure 30).
Remote Control Unit
1. Remove battery cover on back of remote
control unit.
2.
Attach terminal wires to the battery (not includ-
ed). Place battery into the battery housing.
3.
Replace battery cover onto remote control unit.
INSTALLATION
Continued
Figure 28 - Disconnecting Wires From
Control Valve
Figure 29 - Attaching Battery to Receiver
Battery Clip
9-Volt
Battery
Receiver
Terminal
Wires
Figure 30 - Installing Remote Receiver
Remote
Receiver
White Wire to
TH Terminal on
Control Valve
Red Wire to
TPTH Terminal on
Control Valve
Figure 31 - Installing Battery in Hand-
Held Remote Control Unit
WARNING: Read and fol-
WARNING: Do not connect
this thermostat to any electrical
1. Remove jumper wire from control valve (see
Figure 26).
2. Connect one terminal of 25 ft. wire to the
“TH” terminal on the control valve. Connect
the other terminal to the “THTP” terminal on
the control valve. See Figure 32, page 20.
3. Route the 25 ft. wire to a convenient location
to mount your thermostat (no outside wall).
IMPORTANT: The wire may be shortened
but must not be lengthened.
The thermostat should be mounted 54" above
the oor in a location where there is good
air circulation. Avoid heat sources such as
lamps, direct sunlight, replace, or heat and
air conditioning ducts.
9-Volt Battery
Battery
Housing
Battery
Cover
Terminal
Wires
Remote Control Unit
www.desatech.com 116658-01D20
INSTALLATION
Continued
4. Gently remove the cover of the thermostat
from the base. Grasp the sides of the cover
rmly and pull to separate from the base.
5. Feed the electrical wires through the rectangular
slots on each side of the base (see Figure 33).
WARNING: Do not con-
6. Connect one bare wire end to each terminal
(“W” and “R”) of the thermostat base (see
Figure 34).
7. Install the base onto the wall with the provided
screws.
8. Move the temperature adjustment back and forth
to insure the bimetal is free from restrictions.
9. Replace the cover onto the base. (Upon in-
stallation, the thermostat must be allowed to
stabilize at room temperature for a minimum
of 30 minutes for proper operation).
10. Set the temperature adjustment to the desired
setting. This thermostat has been electroni-
cally calibrated at the factory. No adjustment
or leveling is necessary.
Figure 33 - Back View of Thermostat Base
Feed wires through
rectangular slots
W
R
Figure 34 - Thermostat Base Terminals
“W” and “R”
Terminal “W”
Terminal “R”
Figure 32 - Connecting Wire Terminals
To Wall
Thermostat
or Switch
To Wall
Thermostat
or Switch
Control Valve
WARNING: Read and fol-
WARNING: Do not connect
this switch to any electrical
1. Remove jumper wire from control valve (see
Figure 28, page 19).
2. Connect one terminal of 25 ft. wire to the
“TH” terminal on the control valve. Connect
the other terminal to the “THTP” terminal on
the control valve. See Figure 32.
3.
Route the 25 ft. wire to a convenient location to
mount your wall switch (no outside walls).
WARNING: Do not connect
-
IMPORTANT: The wire may be shortened but
must not be lengthened.
4. Connect one bare wire end to each of the
terminals of the provided wall switch.
5. Install the wall switch and cover in the wall.
LOG SET AND SCREEN
1. Remove packaging from brick liners previ-
ously removed from behind top louver.
2. Place rear brick liner against back of rebox.
The left and right brick liners will hold this
liner in place (see Figure 35, page 21). Be sure
to hold the rear brick liner while installing the
sides so it will not fall forward.
This manual suits for next models
1
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