Desa SL30PT User Manual
(VENT-FREE) PROP ANE/LP G A S
STOVE HEAT ER
OWNER’S OPERATION AND INSTALLATION MANUAL
Model SL30PT Series Thermostat Control Gas Log Heater
(Burner System For Cast Iron Stoves)
SL30PT
Patent Pending
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property
damage, personal injury, or loss of life.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
•
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 fire department.
— Installation and service must be per-
formed by a qualified installer, service agency, or the gas supplier.
WARNING: The SL30PT series vent-free gas
log heater is only approved for use in the
Comfort Glow series cast iron stove models
CISC and CISG.
WARNING: Improper installation, adjustment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualified installer, service agency,
or the gas supplier.
WARNING: This is an unvented gas-fired
heater. It uses air (oxygen) from the room
in which it is installed. Provisions for
adequate combustion and ventilation air
must be provided. Refer to
bustion and Ventilation
4 of this manual.
Air for Com-
section on page
This appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, where not prohibited by local codes.
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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
VENT-FREE PROPANE/LP GAS STOVE HEATER
SAFETY
INFORMATION
WARNINGS
WARNING ICON G 001
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, operate, or service this heater. Improper use of this heater can
cause serious injury or death from
burns, fire, explosion, electrical
shock, and carbon monoxide
poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early signs
of carbon monoxide poisoning resemble the
flu, with headaches, dizziness, or nausea. If
you have these signs, the heater may not be
working properly. Get fresh air at once!
Have heater 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 influence of alcohol, and those at high altitudes.
Propane/LP Gas: Propane/LP gas is odor-
less. 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 heater.
WARNING: Any change to
this heater or its controls can be
dangerous.
WARNING: Do not allow fans
to blow directly into the stove.
Avoid any drafts that alter burner
flame patterns. Ceiling fans can
create drafts that alter burner
flame patterns. Altered burner
patterns can cause sooting.
WARNING: Do not use a
blower insert, heat exchanger
insert or other accessory not approved for use with this heater.
Due to high temperatures, the
appliance should be located out
of traffic and away from furniture
and draperies.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
Stove becomes very hot when
running heater. Keep children and
adults away from hot surface to
avoid burns or clothing ignition.
Heater will remain hot for a time
after shutdown. Allow surface to
cool before touching.
Carefully supervise young children when they are in the room
with fireplace.
Keep the appliance area clear and
free from combustible materials,
gasoline, and other flammable
vapors and liquids.
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.
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 fire department
4. This heater shall not be installed in a
bedroom or bathroom.
5. Do not place stove directly on carpeting, vinyl tile, or any combustible material other than wood. The stove must
set on a metal or wood panel extending
the full width and depth of the appliance.
6. Do not use this stove as a wood burning fireplace. Use only model SL30PT
vent-free gas log heater.
7. Do not add extra logs or ornaments
such as pine cones, vermiculite, or rock
wool. Using these added items can
cause sooting.
8. This log heater is designed to be smokeless. If logs ever appear to smoke, turn
off heater and call a qualified service
person.
slight smoking could occur due to log
curing and heater burning manufacturing residues.
9. T o prevent the creation of soot, follow
the instructions in Cleaning and Main-
tenance, page 15.
10. Before using furniture polish, wax, car pet cleaners, 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.
11. This heater needs fresh, outside air ventilation to run properly . This heater has
an Oxygen Depletion Sensing (ODS)
safety shutoff system. The ODS shuts
down the heater if not enough fresh air
is available. See Air for Combustion
and Ventilation, pages 4 through 6. If
heater keeps shutting off, see T rouble-
shooting, pages 16 through 18.
12. Do not run heater
• where flammable liquids or vapors
• under dusty conditions
13. Do not use this stove to cook food or
burn paper or other objects.
14. Do not use heater if any part has been
exposed to or under water. Immediately
call a qualified service technician to inspect the room heater and to replace any
part of the control system and any gas
control which has been under water.
15. Do not operate heater if any log is broken. Do not operate heater if a log is
chipped (dime-sized or larger).
16. T urn heater of f and let cool before ser vicing. Only a qualified service person
should service and repair heater.
17. Operating heater above elevations of
4,500 feet could cause pilot outage.
18. To prevent performance problems, the
use of a propane/LP tank of less than
100 lb. capacity is not recommended.
Note:
During initial operation,
are used or stored
2
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OWNER’S MANUAL
PRODUCT
IDENTIFICATION
Stove
Body
Piezo Ignitor
Stove Door
(Shown in the
open position)
Gas Log Heater
Base Assembly
Control Knob
One Piece
Log Set
Inside Stove
Cavity
PRODUCT
FEATURES
OPERATION
This heater is clean burning. It requires no
outside venting. There is no heat loss out a
vent or up a chimney. Heat is generated by
realistic, dancing yellow flames. This heater
is designed for vent-free operation. State
and local codes in some areas prohibit the
use of vent-free heaters.
SAFETY PILOT
This heater has a pilot with an Oxygen
Depletion Sening (ODS)safety shutoff system. The ODS/pilot is a required feature for
vent-free room heaters. The ODS/pilot shuts
off the heater if there is not enough fresh air.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system
requires no matches, batteries, or other
sources to light heater.
Figure 1 - Typical Stove Cabinet Model with Comfort Glow Gas Log Heater
LOCAL CODES
Install and use heater with care. Follow all
local codes. In the absence of local codes, use
the latest edition of The National Fuel Gas
Code ANS Z223.1, also known as NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
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3
VENT-FREE PROPANE/LP GAS STOVE HEATER
AIR FOR
COMBUSTION AND
VENTILATION
WARNING: This heater shall
not be installed in a confined space
or unusually tight construction
unless provisions are provided
for adequate combustion and ventilation air. Read the following instructions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
Today’s homes are built more energy efficient 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
efficient, 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, fireplaces, 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 fuelburning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel Gas Code, NFPA 54/ANS
Z223.1, Section 5.3, Air for Combustion
and Ventilation.
All spaces in homes fall into one of the three
following ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 4 through 6 will
help you classify your space and provide
adequate ventilation.
Unusually Tight Construction
The air that leaks around doors and windows may provide enough fresh air for
combustion and ventilation. However, in
buildings of unusually tight construction,
you must provide additional fresh air.
Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the
outside atmosphere have a continuous water vapor retarder with
a rating of one perm (6 x 10
per pa-sec-m2) or less with openings gasketed or sealed
b. weather stripping has been
added on openable windows and
doors
c. caulking or sealants are applied
to areas such as joints around
window and door frames, between sole plates and floors, between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical, and
gas lines, and at other openings.
If your home meets all of the three
criteria above, you must provide additional fresh air. See
From Outdoors
If your home does not meet all of the
three criteria above, proceed to
termining Fresh-Air Flow For Heater
Location,
and
Ventilation Air
, page 6.
page 5.
and
-11
kg
De-
Confined and Unconfined Space
The National Fuel Gas Code ANS Z223.1
defines a confined 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 unconfined 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 unconfined space.
This heater shall not be installed in a confined space or unusually tight construction
unless provisions are provided for adequate
combustion and ventilation air.
* Adjoining rooms are communicating only
if there are doorless passageways or ventilation grills between them.
4
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OWNER’S MANUAL
AIR FOR
COMBUSTION AND
VENTILATION
Continued
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space.
Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between
the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height = ____________________ cu. ft. (volume of space)
Example:
If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume of
the space.
2. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space can support.
_________________ (volume of space) ÷ 50 cu. ft. = (maximum Btu/Hr the space can support)
Example:
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free heater ___________________Btu/Hr
Gas water heater* ___________________Btu/Hr
Gas furnace ___________________Btu/Hr
Vented gas heater ___________________Btu/Hr
Gas fireplace logs ___________________Btu/Hr
Other gas appliances* + ___________________Btu/Hr
Total = ___________________Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.
4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
_________________ Btu/Hr (maximum the space can support)
_________________ Btu/Hr (actual amount of Btu/Hr used)
Example:
The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum 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 adjoining room. If the extra space provides an unconfined space, remove door to adjoin-
ing room or add ventilation grills between rooms. See Ventilation Air From Inside Building, page 6.
B. Vent room directly to the outdoors. See Ventilation Air From Outdoors, page 6.
C. Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an unconfined space. You will need no
additional fresh air ventilation.
Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) =2560 cu. ft. (volume of space)
2560 cu. ft. (volume of space) ÷ 50 cu. ft. = 51.2 or 51,200 (maximum Btu/Hr the space can support)
Example:
Gas water heater 40,000 Btu/Hr
Vent-free heater + 30,000 Btu/Hr
Total = 70,000 Btu/Hr
51,200 Btu/Hr (maximum the space can support)
70,000 Btu/Hr (actual amount of Btu/Hr used)
WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space
or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of
the methods described in the
104464
National Fuel Gas Code, ANS Z223.1, Section 5.3
5
or applicable local codes.
Continued
VENT-FREE PROPANE/LP GAS STOVE HEATER
AIR FOR
COMBUSTION AND
VENTILATION
Continued
VENTILATION AIR
Ventilation Air From Inside
Building
This fresh air would come from an adjoining
unconfined space. When ventilating to an
adjoining unconfined space, you must provide two permanent openings: one within
12" of the ceiling and one within 12" of the
floor on the wall connecting the two spaces
(see options 1 and 2, Figure 2). You can also
remove door into adjoining room (see option 3, Figure 2). Follow the National Fuel
Gas Code, NFPA 54/ANS Z223.1, Section
5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
WARNING: Rework worksheet, adding the space of the
adjoining unconfined space. The
combined spaces must have
enough fresh air to supply all
appliances in both spaces.
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 floor.
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, NFPA 54/ANS
Z223.1, Section 5.3, Air for Combustion and
Ventilation for required size of ventilation
grills or ducts.
IMPORTANT:
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.
Do not provide openings
Ventilation
Grills
Into Adjoining
Room,
Option 1
Figure 2 - Ventilation Air from Inside Building
Or
Remove
Door into
Adjoining
Room,
Option
3
12"
Outlet
Air
Ventilation Grills
Into Adjoining Room,
Ventilated
Attic
Outlet
Air
Inlet
Air
Inlet Air
Figure 3 - Ventilation Air from Outdoors
Crawl Space
12"
Option 2
To Attic
To
Crawl
Space
Ventilated
6
104464
OWNER’S MANUAL
INSTALLATION
NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your primary heating system. Do not install this heater as your primary
heat source. If you have a central
heating system, you may run
system’s circulating blower while
using heater. This will help circulate the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
WARNING: A qualified service person must install heater.
Follow all local codes.
WARNING: Never install the
heater
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
• in high traffic areas
• in windy or drafty areas
IMPORTANT:
Vent-free heaters add moisture to the air. Although this is beneficial,
installing heater in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Com-
bustion and Ventilation, pages 4 through 6.
CHECK GAS TYPE
Use only propane/LP gas. If your gas supply
is not propane/LP gas, do not install heater.
Call dealer where you bought heater for
proper type heater.
CLEARANCES TO
COMBUSTIBLES
(Vent-Free Operation Only)
WARNING: Maintain the minimum clearances. If you can, provide greater clearances from
floor, ceiling, and adjoining side
and back walls.
Front View
Side Wall Side Wall
12"
Minimum
Carefully follow the instructions below. This
stove is a freestanding unit designed to set
directly on the floor.
IMPORTANT:
must maintain minimum wall and ceiling
clearances during installation. The minimum clearances are shown in Figure 4.
Measure from outermost point of stove top.
Minimum Wall and Ceiling
Clearances (see Figure 4)
A. Clearances from outermost point of
stove top to any combustible side wall
should not be less than 12 inches.
B. Clearances from outermost point of
stove top to any combustible back wall
should not be less than 6 inches (Includes Corner Installations).
C. Clearances from the stove top to the
ceiling should not be less than 48
inches.
Ceiling
48"
Minimum
12"
Minimum
You
CAUTION: This heater creates warm air currents. These
currents move heat to wall surfaces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as tobacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) in the air exist, may
discolor walls.
104464
Top View
Back Wall
6
"
Minimum
12 "
Minimum
Side Wall Side Wall
Corner
Wall
6
"
Minimum
12
"
Minimum
Front of
Stove Unit
6
Wall
"
Minimum
Figure 4 - Minimum Clearance to Walls and Ceiling (Stove May Vary Depending on
Model)
7
Side View
Ceiling
48"
Minimum
Floor
6"
Minimum
Back Wall
Continued
VENT-FREE PROPANE/LP GAS STOVE HEATER
INSTALLATION
Continued
STOVE CAVITY ASSEMBLY
1. Lift off corrugated box enclosing stove
body crating.
2. Remove all screws fastening the wood
frame enclosure. Spread wood frame
open and lift away from plastic-bagged
stove body. The bottom pieces of pallet wood will remain bolted to the stove
body .
3. Remove plastic bag from stove body.
4. Remove back panel from stove (see
Figure 5). Use an adjustable wrench or
a 10 mm socket. Remove six (6) bolts
and washers. Keep bolts and washers
to reattach back panel later.
5. Remove all contents from inside stove
cavity. Contents include:
(1) - Stove bottom
(4) - Legs (Amity models include leg
leveler bolts)
(1) - Bottom door
(1) - Top grate
(1) - Hardware kit bag with fasteners
6. Carefully lay stove body on back to
attach bottom components to stove
body (see Figure 6). Rest stove on drop
cloth or blanket to avoid scratching
stove edges.
7. Remove remaining pallet wood attached to bottom of stove body (see
Figure 7). Use an adjustable wrench to
remove bolts.
8. Fasten each leg to stove with four (4)
bolts. Use a flat screw driver to tighten
bolt to leg. Thread bolt in tapped holes
on stove body (see Figure 8 and Figure
9, page 9).
Bolt
Product
Identification Label
Figure 5 - Removing Back Panel
Top of Stove Unit
Front of
Stove Unit
Drop Cloth/
Blanket
Figure 6 - Laying Down Stove On Side (Stove Style May Vary Depending on Model)
Bolt
Pallet
Wood
Figure 7 - Removing Pallet Wood From The Bottom of The Stove
Door Hinge Step
Bolt Hole
Back Stove Panel
Pallet Wood
Bolted to
Stove Body
Bottom
Front
Front
Front of
Stove Unit
Pallet
Wood
Bottom Of
Stove Unit
Door Catch Bolt
With Adjustable
Hex Nuts Hole
Top of
Stove
Unit
Leg
Hole
Stove
Bottom
Holes
Leg
Hole
Figure 8 - Locating Threaded Holes for Stove Bottom, Legs, and Door Attachment
(Appearance May Vary Depending on Model)
8
Leg
Hole
Bottom Of
Stove Unit
Leg
Hole
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