Desa VDCFTNA Quick start guide

UNVENTED (VENT-FREE) GAS COMPACT CLASSIC HEARTH®
DUAL BURNER FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
Save this manual for future reference.
For more information, visit www.desatech.com
THERMOSTAT MODELS
VDCFTNA AND VDCFTPA
REMOTE-READY MODELS
VDCFRPA AND VDCFRNA
Shown with Optional Cabinet Mantel/Hearth Base Accessory
WARNING: If the information in this manual is not fol-


         
vapors and liquids in the vicinity of this or any other

— WHAT TO DO IF YOU SMELL GAS
 
• Do not touch any electrical switch; do not use any

 

 

— Installation and service must be performed by a quali-


www.desatech.com 113133-01C2
    -
-

      -



-
sions for adequate combustion and ventilation air must
Air for Combustion and Ventilation

This appliance may be installed in an aftermarket,* per-


-
-

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
TABLE OF CONTENTS
Safety Information ............................................... 3
Product Identication........................................... 5
Optional Remote Control Accessories................. 5
Local Codes......................................................... 5
Product Features................................................. 5
Unpacking............................................................ 5
Hood Assembly.................................................... 6
Air for Combustion and Ventilation ...................... 6
Installation ........................................................... 9
Operating Fireplace........................................... 21
Inspecting Burners............................................. 27
Cleaning and Maintenance................................ 27
Wiring Diagram.................................................. 28
Troubleshooting................................................. 29
Specications .................................................... 33
Illustrated Parts Breakdown and Parts List........ 34
Accessories ....................................................... 40
Replacement Parts............................................ 42
Service Hints ..................................................... 42
Technical Service............................................... 42
Warranty Information ...........................Back Cover
State of Massachusetts: The installation must be made by a licensed plumber or gas tter in the
Commonwealth of Massachusetts.
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 Common-
wealth of Massachusetts.

www.desatech.com
113133-01C 3
SAFETY INFORMATION
WARNING:Thisproductcon-

known to the State of California
to cause cancer or birth defects


manual carefully and completely
    -
    
    
    
    -
sion, electricalshockandcarbon

DANGER: Carbon monoxide

 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
inuence 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.
    


WARNING:Donotuseablow-

or other accessory not approved

WARNING: Do not allow fans

Avoid any drafts that alter burner

create drafts that alter burner
   

    
appliance should be located out



    


Fireplace front and screen be-
    

away from hot surfaces to avoid
-
place will remain hot for a time


   -
dren when they are in the room
    
hand-held remote accessory
  
keep selector switch in the OFF
position to prevent children from

 

    

    
and free from combustible ma-
-


www.desatech.com 113133-01C4
SAFETY INFORMATION
Continued
1. This appliance is only for use with the type
of gas indicated on the rating plate. This ap-
pliance 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 re-
place and call a qualified 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 27.
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 29.
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 qualied 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 qualied 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
propane/LP fuel tank of less than 100 lbs.
capacity.
19. Provide adequate clearances around air
openings.

www.desatech.com
113133-01C 5
PRODUCT
IDENTIFICATION
Ignitor Button
Screen
Fireplace
Cabinet
Log
Control
Knob
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
Hood
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 40.
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.
THERMOSTATIC HEAT CONTROL
FOR THERMOSTAT-CONTROLLED
MODELS
Thermostat-Controlled models have a thermostat
sensing bulb and a control valve. The thermostat
will automatically modulate the heat output to
maintain a consistent room temperature. This
results in greater replace comfort. This can also
result in lower gas bills.
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.

www.desatech.com 113133-01C6
HOOD ASSEMBLY
WARNING: Always have

   -
   

WARNING: Failure to position
thepartsinaccordancewiththese
     
   
-

Tools Required:
• Phillips screwdriver • slotted screwdriver
• 5/16" hex wrench • scissors
1. Lift replace screen up and pull out to remove
(see Figure 2). Set screen aside until installa-
tion has been completed.
2. Cut two plastic straps to remove the log from
the rebox cavity. Set log aside.
3. An optional blower is available. See Acces-
sories, page 40. Install optional blower now.
Follow installation instructions provided with
blower and see page 14 or 15, depending on
your installation.
4. Locate four black phillips sheet metal screws
in hardware packet.
5. Slide hood between louver and rebox top and
align screw holes.
6. Insert screws as shown in Figure 3. Tighten
screws rmly.
Figure 2 - Removing and Installing
Screen
Screen
Shoulder Screw
Figure 3 - Assembling Hood
Hood
Sheet Metal
Screws Firebox
Top
Louver
AIR FOR COMBUSTION
AND VENTILATION
   
shall not be installed in a con-
    
construction unless provisions
are provided for adequate com-

-
sure proper fresh air for this and


Today’s homes are built more energy efcient
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.

www.desatech.com
113133-01C 7


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 classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned 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:
 -
side atmosphere have a continuous
      
2

and
 
openable windows and doors and
      
     
and door frames, between sole plates

between wall panels, at penetrations


If your home meets all of these three
criteria, you must provide additional
   Ventilation Air From
Outdoors
If your home does not meet all of the three
criteria above, proceed to Determining
Fresh-Air Flow For Fireplace Location,

AIR FOR COMBUSTION
AND VENTILATION
Continued

The National Fuel Gas Code, ANSI Z223.1/NFPA
54 denes a conned 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 unconned 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
unconned 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
conned or unconned space.
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)
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.

www.desatech.com 113133-01C8
AIR FOR COMBUSTION
AND VENTILATION
Continued
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 conned 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 unconned
space, remove door to adjoining room or add
ventilation grills between rooms. See Ventilation
Air From Inside Building.
B. Vent room directly to the outdoors. See Ventila-
tion Air From Outdoors.
C. Install a lower Btu/Hr replace, if lower Btu/Hr
size makes room unconned.
If the actual Btu/Hr used is less than the maximum
Btu/Hr the space can support, the space is an un-
conned space. You will need no additional fresh
air ventilation.
WARNING: If the area in
-


    
construction, provide adequate
combustion and ventilation air
by one of the methods described
in the National Fuel Gas Code,
ANSI Z223.1/NFPA54 Section 5.3



This fresh air would come from an adjoining un-
conned space. When ventilating to an adjoining
unconned 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 4). 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.

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.
30,000
10,000
40,000
Figure 5 - Ventilation Air from Outdoors
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"

www.desatech.com
113133-01C 9
INSTALLATION
NOTICE: This heater is intended
    


install this heater as your pri-








  -
    -

WARNING: Never install the

• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
   

the front, top or sides of the

 
 
• in windy or drafty areas
WARNING: Never install in a
-



-
    
currents move heat to wall sur-

     
   

as, but not limited to, tobacco
smoke, aromatic candles, clean-



IMPORTANT: Vent-free replaces add moisture
to the air. Although this is benecial, installing re-
place 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 11).

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.
WARNING: This appliance
is equipped for (natural or pro-



www.desatech.com 113133-01C10
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-certied equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to
test gauge connection. Purchase the optional CSA
design-certied equipment shutoff valve from your
dealer. See Accessories, page 40.
Note: If desired, purchase a four-sided perimeter
trim kit for built-in installations. See Accessories,
page 40.

WARNING: Maintain the
minimum clearances shown

   

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 specied in this manual. Purchase
the optional mantel from your dealer (see Acces-
sories, page 40).
If your replace is to be recessed into the wall,
see Built-In Fireplace Installation on page 11 to
secure your replace into the wall.
CAUTION: If you install the

 

 

INSTALLATION
Continued
For convenience and efciency, 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 40. If planning to use
blower, follow instructions provided with blower
for power source.
Minimum Clearances For Side
Combustible Material, Side Wall and

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 inches.
C. For mantel clearances, see Figure 10 on
page 12.
Figure 6 - Minimum Clearance for
Combustible to Wall
*Minimum 16 inches from Side Wall
*
Example
MINIMUM CLEARANCE TO
COMBUSTIBLE MATERIALS
Top Left and

Bottom and
Rear
36"6" 0"