Desa CEF26-3 User manual

Read these instructions completely before beginning
installation. Failure to follow them could cause a heater
malfunction resulting in serious injury and/or property
damage.
WARNING: All electric heaters have hot and arcing
or sparking parts inside. Do not use it in areas where
gasoline, paint or ammable liquids are or are stored.
WARNING: This heater is tested and listed for use
only with the optional accessories listed in these in-
structions. Use of optional accessories not specically
tested for this heater could void the heater warranty and/
or result in a safety hazard.
This replace meets the construction and safety stan-
dards of H.U.D. for application in manufactured homes
when installed according to these instructions.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
ELECTRIC FIREPLACE/INSERT MODELS CEF26-3 AND CEF26-3A
SAFETY INFORMATION AND INSTALLATION MANUAL
Patent No. 7,219,456 B1

www.desatech.com 120927-37C2
TABLE OF CONTENTS
Safety .................................................................. 2
Listing Approvals ................................................. 3
Product Dimension Specications....................... 3
Product Identication........................................... 4
Locating Fireplace ............................................... 4
Unpacking and Testing Fireplace ........................ 5
Installation ........................................................... 6
Finishing .............................................................. 7
Cleaning and Maintenance.................................. 8
Operation............................................................. 8
Technical Service............................................... 12
Accessory.......................................................... 12
Wiring Diagram.................................................. 12
Troubleshooting................................................. 13
Parts .................................................................. 14
Replacement Parts............................................ 15
Warranty ..............................................Back Cover
SAFETY
WARNING: Improper installa-
tion, adjustment, alteration, ser-
vice or maintenance can cause
injury or property damage. Refer
to this manual. For assistance or
additional information, consult
a qualied installer.
CAUTION: Do not expose the
heater to the elements (such as
rain, etc).
This replace meets saltwater/
freshwater marine application
standards. Constructed from
corrosion resistant materials
and water resistant coated elec-
trical components.
Do not place clothing or other
ammable material on or near
rebox. Never place any objects
on the replace.
Carefully supervise young chil-
dren when they are in the room
with replace.
Fireplace becomes very hot
when running. Keep children
and adults away from hot sur-
faces to avoid burns or clothing
ignition. Fireplace will remain
hot for a time after shutdown.
Allow surfaces to cool before
touching.
Do not install replace directly
on carpet or similar surface
which may restrict air circulation
beneath unit.
When using electrical heaters, basic precau-
tions should always be followed to reduce
the risk of re, electric shock and injury to
persons, including the following:
1. Read all instructions before using this
heater.
2. Keep combustible materials, such as
furniture, pillows, bedding, papers, clothes
and curtains away from front of heater.
3. This heater is hot when in use. To avoid
burns, do not let bare skin touch hot surfac-
es. The grill directly in front of heater outlet
becomes hot during heater operation.
4. Extreme caution is necessary when any
heater is used by or near children or inva-
lids and whenever heater is left operating
and unattended.
5. Always unplug heater when not in use.
6. Do not operate any heater with a damaged
cord or plug or if heater malfunctions or
has been dropped or damaged in any way.
Return heater to authorized service facility
for examination, electrical or mechanical
adjustment or repair.
7. Do not use outdoors.
8. This heater is not intended for use in
bathrooms, laundry areas and similar
indoor locations. Never locate heater
where it may fall into a bathtub or other
water container.
9. Do not run cord under carpeting. Do not
cover cord with throw rugs, runners or the
like. Arrange cord away from trafc area
and where it will not be tripped over.
10. To disconnect heater, turn controls to OFF
before removing plug from outlet.

www.desatech.com
120927-37C 3
SAFETY
Continued
11. Do not insert or allow foreign objects to
enter any ventilation or exhaust opening
as this may cause an electric shock or re
or damage the heater.
12. To prevent possible re, do not block air
intakes in any manner. Do not use on soft
surfaces, like a bed, where openings may
become blocked.
13. Always use properly grounded fused and
polarized outlets.
14. A heater has hot and arcing or sparking
parts inside. Do not use it in areas where
gasoline, paint or ammable liquids or
vapors are used or stored.
15. Use this heater only as described in this
manual. Any other use not recommended
by the manufacturer may cause re, elec-
tric shock or injury to persons.
16. Avoid the use of an extension cord be-
cause the extension cord may overheat
Description: 26" Fireplace/Insert
Voltage: 120
Watts: 1500
Amps: 15 Amp Grounded Circuit
PRODUCT DIMENSION SPECIFICATIONS
Figure 1 - Heater Dimensions
22.75"
26.125"
28.125"
26.0"
17.50"
9.75"
9.0"
23.875"
22.75"
26.125"
28.125"
26.0"
17.50"
9.75"
9.0"
23.875"
Shown with optional trim BAFT-2. See
Accessory, page 12, for other trim options
and cause a risk of re. However, if you
have to use an extension cord, the cord
should be No. 14 AWG minimum size and
rated not less than 1875 WATTS.
17. Always use ground fault protection where
required by electrical codes.
18. Always disconnect power before perform-
ing any cleaning, maintenance or reloca-
tion of heater.
19. To prevent a possible re, do not burn
wood or other materials in this heater.
20. To prevent electric shock or re, always
use a certified electrician should new
circuits or outlets be required.
21. When transporting or storing heater, keep
in a dry place.
22. Louvers get hot during operation. Open
louver door using 2 hands at outer edges
of door. Do not open in center.
LISTING APPROVALS
This heater has been tested in accordance
with the CSA Standards for xed and location-
dedicated electric room heaters in the United
States. All components are UL or CSA safety
certied.
If you need assistance during installation,
please contact your local dealer or the DESA
Heating, LLC at 1-866-672-6040.
Note: This heater must be electrically wired and
grounded in accordance with local codes or, in
the absence of local codes, with National Electric
Code ANSI/NFPA 70-latest edition or the Cana-
dian Electric Code, CSA C22.1 as appropriate.

www.desatech.com 120927-37C4
WARNING: To prevent
contact with sagging or loose
insulation, the heater must not
beinstalledagainstvaporbarrier
or exposed insulation. Localized
overheating could occur and a
re could result.
CAUTION: Do not expose the
heater to the elements (such as
rain, etc.).
CAUTION: Wear gloves and
safety glasses for protection dur-
ing installation and maintenance.
Figure 3 illustrates a variety of ways the heater
may be located in a room. The heater may
be installed directly on the oor or raised on
a hearth.
LOCATING FIREPLACE
Figure 3 - Heater Locations
Heater Flame Ember Backlight
Power
Figure 2 - Product Identication
PRODUCT IDENTIFICATION
Heat Vents
ON/OFF
Power Button
Log
Front Glass
Back Glass
Heater Button
Flame Button Ember Button
Backlight Button
Remote Holder
WARNING: Due to high tem-
peratures, this heater should
be located out of trafc. Keep
combustible materials such as
furniture, pillows, bedding, pa-
pers, clothes and curtains away
from the front of the heater.
WARNING: Never locate
this heater where it may fall
into a bathtub or other water
container.
NOTICE: Minimum and maxi-
mum clearances must be main-
tained at all times. Illustrations
throughout these instructions
reect typical installations and
are for design purposes only.
Actual installations may vary
slightly due to individual pref-
erences.

www.desatech.com
120927-37C 5
Figure 4 - Framing Heater for New
Construction/Renovation
3/4" - 1/2"
Note: The height that a
combustible mantel is
tted above the heater is
dependent on the height
of the front selected. The
minimum height is 1"
above the front.
UNPACKING AND TESTING FIREPLACE
27"
23 1/4"
Header
Height
10"
CAUTION: Provide adequate
clearances around the air open-
ings and adequate accessibility
clearances for servicing and
proper operations.
Carefully remove the unit from the box. Prior
to permanently installing the unit, test to make
sure the unit operates properly. To do this,
plug the unit's power supply cord into a conve-
niently located 120-volt grounded outlet.
CAUTION; The unit's power
supply cord must be connected
to a properly grounded and pro-
tected 120-volt outlet. Always
use ground fault protection
where required by the electri-
cal code.
WARNING: Do not operate
the unit if it is damaged or has
malfunctioned.Ifyoususpectthe
unit is damaged, return the unit
to an authorized service facility
for examination, electrical or me-
chanical adjustment or repair.
FRAMING
Figure 4 shows a typical framing of this heater
using combustible materials. All required
clearances to combustibles must be adhered
to. Header height is measured from the base
of the heater.
Tools and building supplies required for
installation:
• Saw • Square
• Pliers • Gloves
• Hammer • Level
• Phillips screwdriver • Surround
• Framing materials • Electric drill/bits
• Tape measure
• Wall-nishing materials
• Caulking material

www.desatech.com 120927-37C6
INSTALLING FIREPLACE
Select a suitable location that is not suscep-
tible to moisture and is away from drapes,
furniture and high trafc areas. Note: Follow
all national and local electrical codes. This
insert can be installed into either an existing
replace or as new construction/renovation.
NOTICE: Never pick unit up by
louvers. Louvers will bend.
Existing Fireplace Installation
1. Thoroughly clean out the existing replace
and hearth area.
2. Seal all drafts, vents or ash clean-outs
with berglass insulation. Seal the ue.
Once sealed, close damper to stop debris
from falling onto unit.
3. If existing re box is susceptible to mois-
ture, cap the top of the chimney ue to
prevent infiltration of water. Note: It is
strongly advised that you hire a qualied
professional to undertake this step in order
to prevent personal injury. Once the ue is
capped, the chimney is no longer suitable
for wood burning. Note: Do not install this
unit into a replace that is prone to damp-
ness; the area of installation must be dry.
4. Plan the power supply. If an existing
grounded outlet is near the replace, the
power cord can run along the front of the
replace. If the cord is not long enough
to reach the outlet, a grounded extension
cord minimum AWG No. 14 and rated to
a minimum of 1875 watts may be used. If
you plan to cut or drill a hole in the exist-
ing replace for wiring, it is best to hire
a professional to do this step in order to
prevent personal injury. To reduce the risk
of re, do not run the power cord under
rugs, carpets, etc. Arrange the power
supply cord away from high trafc areas
where it may pose a tripping hazard.
WARNING: The solid fuel/gas
replace has been converted for
use with an electric insert and
cannot be used for original fuels
unless all original parts have
been replaced and the replace
has been reapproved by the au-
thority having jurisdiction.
INSTALLATION
WARNING-RISKOFFIRE!The
power cord must not be pinched
or against a sharp edge. Secure
cordtoavoidtrippingorsnagging
to reduce the risk of re, electric
shock or personal injury.
Do not run cord under carpet-
ing. Do not cover cord with
throw rugs, runners or the like.
Arrange cord away from trafc
areas and where it will not be
tripped over.
WARNING - RISK OF FIRE!
To prevent a possible re, do
not block air intake or exhaust
in any manner. Do not use on
soft surfaces where openings
may become blocked.
WARNING - RISK OF FIRE!
Do not blow or place insulation
against the rebox.
WARNING: This heater is
tested and listed for use only
with the approved optional ac-
cessories. Use of optional ac-
cessories not specically tested
for this heater could void the
heater warranty and/or result in
a safety hazard.
WARNING: If the informa-
tion in these instructions is
not followed exactly, a re or
explosion may result causing
property damage, personal in-
jury or death.
Do not store or use gasoline
or other ammable vapors in
the vicinity of this or any other
heater.

www.desatech.com
120927-37C 7
New Construction or Renovation
1. Select a location located away from
combustible materials such as curtains
or drapes, furniture, bedding, paper, etc.
2. Place unit in selected location to see how
it will look in the future.
3. Mark the desired location on the oor
and store unit in a safe, dry and dust free
location.
4. Frame in an opening leaving at least 1/4"
(6 mm) around the edge of the unit. Any
new wiring must be done in compliance
with local and national codes and other
applicable regulations in order to reduce
the risk of re, electric shock or other inju-
ries. Therefore, it strongly recommended
that you hire a professional to complete
any such work.
5. Plan you power supply route. See step 4
of Existing Fireplace Installation, page 6.
INSTALLATION
Continued
Installing Insert
Once the site has been prepared, the replace
insert can be installed.
1. Install trim onto front of unit.
2. Make sure power switch is in the OFF
position.
3. Plug replace into a 15-amp/120 volt,
grounded outlet.
4. Push replace insert so that the trim is
against the nished mantle or wall sur-
face.
NOTICE: When the front is
installed it will cover the gap
between the heater and framing,
cabinet, nishing materials or
existing replace.
FINISHING
Combustible Finishing Material: Materials
made of or surfaced with wood, compressed
paper, plant bers, plastics or any material
capable of igniting and burning, whether ame
proofed or not, plastered or unplastered (this
includes drywall).
Noncombustible Finishing Material: Ma-
terials which will not ignite and burn. Such
materials are those consisting entirely of
steel, iron, brick, tile, concrete, slate, glass
or plasters or combinations thereof or have a
re rating of zero.
WARNING: Grills on this
heater cannot, in any way, be
covered as it may create a re
hazard.
FINISHING CHECKLIST
• Power supply service must be completed
prior to nishing to avoid reconstruction.
• Grills and air openings cannot be covered
in any circumstances.
Note: The heater is a zero clearance replace
and may be nished with combustible or non-
combustible nishing materials.
When using paint or lacquer to nish the
mantel, they must be heat resistant to prevent
discoloration.

www.desatech.com 120927-37C8
CLEANING AND MAINTENANCE
OPERATION
Figure 7 - Fireplace Settings
(Default Settings are Circled)
FLAME Off Low Medium High
EMBER Off Low Medium High
BACKLIGHT Off Low High
HEATER Off Low Medium High
Figure 6 - Remote Control For Electric
Fireplace
The controls (see Figure 5) are located behind
the hinged top louver panel. Louver panel will
be hot during and immediately after operation.
To open, pull gently on louver panel using 2
hands at outer edges of louver. Do not open
in center of louver.
1. Plug in electric replace.
2. Turn on lighted power switch (see Figure 5).
3. Adjust Flame/Ember/Backlight/Heater
to desired settings using the control pad
on replace or remote control. Figure 7
shows replace settings available. Default
settings are circled. Press control pad or
remote control buttons once and release
to adjust settings. Note: When on, ember
bed will lighten and darken automatically
to simulate real embers.
The heater is pre-set to the following
temperatures:
High will shut off when room reaches ap-
proximately 86° F (30° C).
Medium will shut off when room reaches
approximately 79° F (26° C).
Low will shut off when room reaches ap-
proximately 72°F (22° C).
Note: Fan on heater will continue to run for 5-7
seconds after heater has been turned off.
4. When using remote control, aim remote at
sensor located in center of unit just above
log set. IMPORTANT: This remote control
must remain within 6 meters or 20 feet of
the replace to be effective.
5. When power switch is turned off, replace
settings go back to default (see Figure 7).
Heater Flame Ember Backlight
Power
Figure 5 - Controls For Electric Fireplace
Lighted
Power
Switch
Remote
Holder Ember
Control
Heater Control Flame Control
Backlight
Control
WARNING: Always discon-
nect power and allow the heater
to cool before performing any
cleaning, maintenance or reloca-
tion of this heater. Turn controls
to OFF and remove plug from
outlet or turn off circuit breaker
to heater.
CLEANING FIREBOX
1. Remove front trim if applicable.
2. With gloves and safety glasses in place,
remove screws and bracket that hold front
glass in place.
3. Carefully remove front glass (see Figure
8, page 9).
4. Using a brush vacuum attachment, gently
clean compartment.

www.desatech.com
120927-37C 9
CLEANING AND MAINTENANCE Continued
REPLACING LOG
1. Remove front trim if applicable.
2. With gloves and safety glasses in place,
remove screws and bracket holding front
glass in place. Remove glass and set
aside carefully (see Figure 8).
3. Remove screws from each side of log that
holds log to log base and remove log (see
Figure 9).
4. Replace new log using screws removed
in step 3.
5. Replace front glass, bracket and
screws.
6. Replace trim.
REPLACING EMBER STRIP
1. Follow steps 1 through 3 under Replac-
ing Log.
2. Locate ember LED strip (see Figure 9).
Disconnect wire (right side)
3. Remove ember LED strip by squeezing
top of standoffs and discard.
4. Connect new ember LED strip using exist-
ing standoffs.
5. Reconnect wire to LED strip.
6. Follow steps 4 and 5 under Replacing Log.
REPLACING HEATER/BLOWER
1. Remove screws from around top panel of
rebox (see Figure 10).
2. There are several wires attached to the
top panel. Carefully lift top panel.
3. Disconnect heater/blower wires from main
circuit board.
4. Remove screws holding heater/blower to
top panel (see Figure 10).
5. To remove heater from blower, remove 4
screws (2 per side).
6. Replace blower or heater. Replace screws
removed in step 5 (see Figure 11).
7. Hold heater/blower in place against top
panel, along with spacers if provided, and
replace screws removed in step 4.
8. Reconnect wires to main circuit board (see
Wiring Diagram, page 12).
9. Replace top panel and screws.
Figure 8 - Removing Bracket and Front
Glass
Bracket
with Screws
Front Glass
Figure 9 - Removing Log and Ember LED
Log
Ember LED
Strip with
Standoffs
Figure 10 - Removing Top Panel and
Heater/Blower
Top
Panel
Screws
Screws Securing
Heater/Blower
Figure 11 - Removing Heater from Blower
Heater
Blower
5. After cleaning compartment, replace front
glass, screw, bracket and trim. Reset
circuit breaker.

www.desatech.com 120927-37C10
CLEANING AND MAINTENANCE
Continued
REPLACING SETTINGS CONTROL
BOARD
1. Follow steps 1 and 2 under Replacing
Heater/Blower, page 9.
2. Disconnect wires from main control
board.
3. Remove screws from front of top panel to
remove settings control board.
4. Place new settings control board into posi-
tion making sure each control is aligned
with slot in panel. Install using screws
from step 3. DO NOT overtighten. This
will damage control board.
5. Connect wires to main control board (see
Wiring Diagram, page 12).
6. Replace top panel and screws.
Backlight LED Strip
Standoffs
Figure 14 - Replacing Backlight LED Strip
REPLACING TRANSFORMER
1. Follow steps 1 and 2 under Replacing
Heater/Blower, page 9.
2. Disconnect transformer wires from control
board.
3. Remove screws from outside of rebox
surround to remove transformer (see
Figure 12).
4. Remove and discard transformer.
5. Place new transformer against inside
of rebox surround and replace screws
removed in step 3.
6. Reconnect transformer wires to control
board (see Wiring Diagram, page 12).
7. Replace top panel and screws.
Figure 12 - Removing Transformer
Transformer Screws
REPLACING MAIN CONTROL BOARD
1. Follow steps 1 and 2 under Replacing
Heater/Blower, page 9.
2. Disconnect wires to main control board.
3. Squeeze top of standoffs to remove main
control board and discard.
Figure 13- Control Board
Main Control
Board
Standoffs
Transformer
4. Gently push new control board onto
standoffs to install.
5. Reconnect wires to main control board
(see Wiring Diagram, page 12).
6. Replace top panel and screws.
REPLACING BACKLIGHT LED STRIP
1. Follow steps 1 and 2 under Replacing
Heater/Blower, page 9.
2. Disconnect wires from main control
board.
3. Squeeze top of standoffs to remove back-
light LED strip and discard.
4. Place new backlight LED strip onto stand-
offs and push gently.
5. Connect wires to main control board (see
Wiring Diagram, page 12).
6. Replace top panel and screws.