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Vent-free Gas Stove
MODEL NO. SSU220RHN-GB & SSU220RHL-GB
Questions about installation, operation, or troubleshooting? Before returning to your retailer, call our customer
service department toll-free at (877)886-5989
PRGHO[[EMSHJ
PC-SSU220R653-0805
This appliance may be installed in an aftermarket, permanently located manufactured
(mobile) home, where not prohibited by local codes. This appliance is for use with
the type of gas indicated on the rating plate only. This appliance is not convertible for
use with other gases.
CAUTION - FOR YOUR SAFETY
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.
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Do not store or use gasoline or other ammable vapors and liquids in 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 re department.
-- Installation and service must be performed by a qualied installer, service
agency or the gas supplier.
This is an unvented gas-red 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 Air For Combustion and Ventilation section on page 6 of this manual.
INSTALLER: DO NO DISCARD THIS MANUAL – LEAVE FOR HOMEOWNER’S
FUTURE REFERENCE
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TABLE OF CONTENTS
Figure 1- Vent - Free Gas Stove
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Important Safety Information ...........................................................................................................................3
Air for Combustion & Ventilation ....................................................................................................................6
Product Features ..............................................................................................................................................8
Preparing for Installation .................................................................................................................................8
Installation .....................................................................................................................................................10
Connecting To Gas Supply ......................................................................................................................10
Checking Gas Connections .....................................................................................................................11
Log Placement .........................................................................................................................................13
Operating Heater .............................................................................................................................................14
Care and Maintenance ..................................................................................................................................18
Troubleshooting .............................................................................................................................................20
Replacement Parts ..........................................................................................................................................23
WARNING: READ THE INSTALLATION & OPERATION INSTRUCTIONS
BEFORE USING THIS APPLIANCE
IMPORTANT: Read instructions and warnings carefully before starting installation. Failure to fol-
low these instructions may result in a possible re hazard and will void the warranty.
PRODUCT SPECIFICATIONS
MODEL NO
SSU220RHL-GB SSU220RHN-GB
Btu (Variable) 22,000 22,000
Gas Type LP Gas Natural Gas
Ignition Automatic or Electronic Automatic or Electronic
Manifold Pressure 8” W.C. 3” W.C.
Inlet Gas Pressure (In. of water)*
Maximum 14 in. 10.5 in.
Minimum 11 in. 5 in.
Dimensions, Inches (H×W×D)
Heater 26 1/8” × 28” ×16 7/8” 26 1/8” × 28” ×16 7/8”
Carton 31 1/8”×31 3/8” ×20 1/2” 31 1/8”×31 3/8” ×20 1/2”
Weight, lbs
Stove 73 73
Shipping 85 85
Volts 120 120
Watts 19 19
*For purposes of input adjustment
TABLE OF CONTENTS
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IMPORTANT SAFETY INFORMATION
IMPORTANT: Read instructions and warnings carefully before starting installation. Failure to follow these instructions
may result in possible electric shock or re hazard and will void the warranty. Improper use of this heater can cause serious injury or death from burns, re, explosion, electrical shock, and carbon monoxide poisoning. Refer to this manual
for correct installation and operat ional procedures. For assistance or additional information consult a qualied
installer, service agency, local gas supplier, or customer service.
Do not store or use gasoline or other ammable 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 phones 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.
Installation and service must be performed by a qualied installer, service agency, or local gas supplier.
WARNING: This is an unvented gas-red 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 Air For Combustion and Ventilation section on page 6 of this manual.
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.
DANGER: Carbon monoxide poisoning may lead to death!
WARNING: When used without fresh air, heater may give off CARBON MONOXIDE, an odorless, poisonous gas.
DO NOT INSTALL HEATER UNTIL ALL NECESSARY PROVISIONS ARE MADE FOR COMBUSTION AND
VENTILATION AIR. CONSULT THE WRITTEN INSTRUCTIONS PROVIDED WITH THE HEATER FOR IN
FORMATION CONCERNING COMBUSTION AND VENTILATION AIR. IN THE ABSENCE OF INSTRUCTIONS.
REFER TO THE NATIONAL FUEL GAS CODE. ANSI Z223. 1. SECTION 5.3 OR APPLICABLE LOCAL CODES.
This heater is equipped with a PILOT LIGHT SAFETY SYSTEM designed to turn off the heater if not enough
fresh air is available.
DO NOT TAMPER WITH PILOT LIGHT SAFETY SYSTEM! If heater shuts off, do not re-light until you provide
fresh air. If heater keeps shutting off have it serviced. Keep burner and control compartment clean.
CARBON MONOXIDE
Early signs of carbon monoxide poisoning resemble the u with headache, dizziness and/or nausea. If you have
these signs, heater may not be working properly. Get fresh air at once! Have heater serviced. Some people
pregnant women, persons with heart or lung disease, anemia, those under the inuence of alcohol, and those at
high altitude - are more affected by carbon monoxide than others.
NATURAL AND PROPANE/LP GAS
Natural and Propane/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.
WARNING: Any change to this replace or its controls can be dangerous.
WARNING: Model SSU220RHN is equipped for Natural gas. Field conversion is not permitted. Model
SSU220RHL is equipped for propane gas. Field conversion is not permitted.
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IMPORTANT SAFETY INFORMATION
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WARNING: Do not allow fans to blow directly into the heater. Avoid any drafts that alter burner ame patterns
including ceiling fans. 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.
WARNING: Due to high temperatures, the appliance should be located out of trafc and away from furniture
and draperies.
WARNING: Heater becomes very hot when running. Keep children and adults away from hot surfaces to avoid
burns or clothing ignition. Heater will remain hot for a time after shutoff. Allow surfaces to cool before touching.
WARNING: Do not place clothing or other ammable material on or near the appliance. Never place any ob-
jects in the heater.
WARNING: Carefully supervise young children when they are in the room with the heater.
WARNING: You must operate this heater with the heater door and screen in place. Make sure the heater door
and screen is in place before running heater.
WARNING: Keep the appliance area clear and free from combustible materials, gasoline, and other ammable
vapors and liquids.
When using electrical appliances, basic precautions should always be followed to reduce the risk of re, electric shock,
and injury to persons, including the following:
1. Do not use this appliance with any gas other than the type indicated on the rating plate.
2. Do not place Propane/LP supply tank(s) inside any structure. Store 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 can not rea ch y our gas supplier, call the re department.
4. Do not install this heater in a bedroom or bathroom.
5. Do not us e thi s hea ter a s a w ood-burning heater. Use only the logs provided with the heater.
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 heater. After
servicing, always replace screen before operating heater.
7. This heater is designed to be smokeless. If logs ever appear to smoke, turn heater off and call a qualied
service person. Note: During initial operation, slight smoking could occur due to log curing and heater burning
manufacturing residues.
8. To prevent the creation of soot, follow the instructions in
Care and Maintenance.
9. This heater needs fresh 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 Combus-
tion and Ventilation, pages 6 through 7. If heater keeps shutting off, see Troubleshooting, page 20.
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10. Keep all air openings in front and bottom of heater clear and free of debris. This will ensure enough air for proper
combustion.
11. If heater shuts off. Do not relight until you provide fresh, outside air. If heater keeps shutting off, have it serviced.
12. Do not run heater:
Where ammable liquids or vapors are used or stored.
Under dusty conditions.
13. Before using furniture polish, wax, carpet cleaner, or similar products, turn heater off. If heated, the vapors from
these products may create a white powder residue within burner box or on adjacent walls or furniture.
14. Do not use this heater to cook food or burn paper or other objects.
15. Do not use heater if any part has been under water. Immediately call a qualied service technician to inspect
the heater and to replace any part of the control system and any gas control which has been under water.
16. Turn off and unplug heater and let cool before servicing. Only a qualied service person should service and repair
heater.
17. Operating heater above elevations of 4,500 feet could cause pilot outage.
18. Do not operate heater if any log is broken. Do not operate heater if a log has a chip (dime-sized or larger).
19. To prevent performance problems, do not use Propane/LP fuel tank of less than 100 lbs. (46 kg) capacity
.
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QUALIFIED INSTALLING AGENCY
Installation and replacement of gas piping, gas utilization equipment or accessories and repair and servicing of
equipment shall be performed only by a qualied agency. The term “qualied agency” means any individual, rm,
corporation, or company that either in person or through a representative is engaged in and is responsible for:
The installation, testing, or replacements of gas piping or
The connection, installation, testing, repair, or servicing of equipment; that is experienced in such work, that
is familiar with all precautions required, and that has complied with all the requirement of the authority having jurisdiction.
a)
b)
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WARNING: This heater shall not be installed in a conned space or unusually tight construction unless
provisions are provided for adequate combustion and ventilation. Read the following instructions to insure
proper fresh air for this and other fuel-burning appliances in your home.
Providing Adequate Ventilation
The following are excerpts from National Fuel Gas Code, NFPA 54/ANSI Z223.1, Section 5.3, Air for Combustion
and Ventilation. All spaces in homes fall into one of the three following ventilation classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 6 through 7 will help you classify your space and provide adequate ventilation.
Conned and Unconned Space
The National Fuel Gas Code, ANSI Z223.1 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 connecting directly
with the space in which the appliances are installed*, through openings not furnished with doors, are considered
a part of the unconned space.
This heater shall not be installed in a conned space or unusually tight construction unless provisions are pro-
vided for adequate combustion and ventilation.
* Adjoining rooms are connecting only if there are doorless passageways or ventilation grills between them.
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 dened as construction where:
Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating
of one perm (6×10
-11
kg per pa-sec-m2) or less with openings gasketed or sealed and
Weather stripping has been added on operable windows and doors and
Caulking or sealants are applied to areas such as joints around window and door frames, between sole
plates and oors, 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 “Ventilation Air From
Outdoors”. If your home does not meet all of the three criteria above, proceed to Determining Fresh-Air Flow For
Heater Location.
Determining if You Have a Conned or Unconned Space
Use this worksheet to determine if you have a conned or unconned 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×Width×Height= cu.ft. (volume of space)
Example: Space size 20ft. (length)×16ft. (width)×8ft. (ceiling height)=2560cu. 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.
a)
b)
c)
AIR FOR COMBUSTION AND VENTILATION
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Figure 2 - Ventilation Air
from Inside Building
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).
3. Add the Btu/Hr of all fuel-burning appliances in the space.
Vent-free heater
Gas water heater*
Gas furnace
Vented gas heater
Gas heater logs
Other gas appliances* +
Total =
*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 : 51,200 Btu/Hr(maximum the space can support)
56,000 Btu/Hr(actual amount of Btu/Hr used)
The space in the above example is a conned space because the actual Btu/Hr used is more than the maximum
Btu/Hr the space can support.
You must provide additional fresh air. Your options are as follows:
Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconned
space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation Air From
Inside Building.
Vent room directly to the outdoors. See Ventilation Air From Outdoors .
Install a lower Btu/Hr heater if lower Btu/Hr size makes room unconned.
WARNING: If the area in which the heater may be operated is smaller than that dened as an unconned space
or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the
methods described in the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Air for Combustion and Ventilation, or
applicable local codes.
Ventilation Air From lnside Building
This fresh air would come from an adjoining unconned space. When ventilating to an adjoining unconned
space, you must provide two permanent openings: one within 12 inches of the ceiling and one within 12 inches
of the oor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove the door
into the adjoining room (see option 3, Figure 2). Follow the National Fuel Gas Code. NFPA 54/ANSI Z223.1,
Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts.
a)
b)
c)
Example:
Gas water heater 30,000 Btu/Hr
Vent-free heater + 26,000 Btu/Hr
Total = 56,000 Btu/Hr
Btu/Hr
Btu/Hr
Btu/Hr
Btu/Hr
Btu/Hr
Btu/Hr
Btu/Hr
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must provide
two permanent openings: one within 12 inches of the ceiling and one within
12 inches 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, NFPA 54/ANSI Z223.1, 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. Rework worksheet, adding the space of the ad-
joining unconned space. The combined spaces must have enough fresh
air to supply all appliances in both spaces.
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PRODUCT FEATURES
Safety Pilot
This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot shuts off
the heater if there is not enough fresh air.
Automatic Ignition System
This heater is equipped with an automatic control system. This system requires no matches, or batteries to light
heater.
Thermostatic Heat Control Module
This heater has a control module with a thermostat sensing bulb. Set
temperature with remote control. This results in the greatest heater comfort and may result in lower gas bills.
Manual Override Control System
This heater has two operation functions: Remote Control and Manual
Override Control. The Remote Control has a transmitter, which requires
three AAA batteries and electric power outlet to operate. In the event of
a power outage, you can operate the heater by manual override.
LOCAL CODES
This heater is designed for vent free operation. Some state and local codes
prohibit the use of vent-free gas heaters.
lnstall 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, ANSI
Z223.1, also known as NFPA 54*.
*Available from:
American National Standards lnstitute, lnc.
1430 Broadway
New York, NY 10018
National Fire ProtectionAssociation, lnc.
1 Batterymarch Park
Quincy, MA 02269-9101
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.
In the state of Massachusetts, unvent-
ed propane or natural gas-red space
heaters shall be prohibited in bedrooms
and bathrooms.
In the State of Massachusetts the
gas cock must be a “T” handle type.
The State of Massachusetts requires
that a exible appliance connector
cannot exceed three feet in length.
PREPARING FOR INSTALLATION
Before beginning assembly or operation of the product, make sure all parts are present. Compare parts with package contents list and diagram above. If any part is missing or damaged, do not attempt to assemble, install or operate the product. Contact customer service for replacement parts.
Estimated Assembly Time: ____
Tools Required for Assembly:
Before installing heater, make sure you have the items listed below.
piping (check local codes)
sealant (resistant to natural gas and propane/LP gas)
equipment shutoff valve*
test gauge connection*
sediment trap
tee joint
pipe wrench
exible gas hose. (Check local codes)
*A CSA design-certied equipment shutoff valve with 1/8 in NPT tap is an acceptable alternative to test gauge connection. Purchase the optional
CSA design-certied equipment shutoff valve from your dealer.
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