FeatureComforts MD100TBE Installation instructions

WARNING: IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY, OR LOSS OF LIFE.
– 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 qualied installer, service agency,
or the gas supplier.
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.
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 7 of this manual.
INSTALLER : DO NOT DISCARD THIS MANUAL - LEAVE FOR HOMEOWNER'S
FUTURE REFERENCE.
WARNING: This appliance is
equipped for (Natural and
Propane) gas. Field conversion is
not permitted other than between
natural or propane gases.
Questions, problems, missing parts? Before returning to your retailer, call our
customer service department at 1-866-573-0674, 8:00 a.m - 4:30 p.m., EST,
Monday - Friday or e-mail [email protected]
VENT-FREE GAS WALL HEATER BLUE FLAME
LS-SM-MDTBE-0805
MODEL #MD100TBE MD200TBE MD300TBE
ITEM #0051064 0051118 0051186
Español p. 31
CAUTION - FOR YOUR SAFETY

2
TABLE OF CONTENTS
Important Safety Information..........................................................................................................3
Product Features............................................................................................................................5
Air For Combustion and Ventilation................................................................................................7
Installation ....................................................................................................................................10
Operation......................................................................................................................................18
Care & Maintenance.....................................................................................................................22
Troubleshooting............................................................................................................................23
Replacement Parts.......................................................................................................................26
WARNING: READ THE INSTALLATION & OPERATION INSTRUCTIONS
BEFORE USING THIS APPLIANCE.
IMPORTANT: Read instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in a possible re
hazard and will void the warranty.
PRODUCT SPECIFICATIONS
ITEM # 0051064 0051118 0051186
BTU (available) 10,000 20,000 30,000(NG) 28,000(LP)
Gas Type Using Natural Gas Using Natural Gas Using Natural Gas
Pressure Regulator Setting 4 in. W.C. 4 in. W.C. 4 in. W.C.
Inlet Gas Pressure* (inches of water) * For purposes of input adjustment.
Maximum 10.5 in. 10.5 in. 10.5 in.
Minimum * 5 in. 5 in. 5 in.
Gas Type Using Propane Gas Using Propane Gas Using Propane Gas
Pressure Regulator Setting 9 in. W.C. 9 in. W.C. 9 in. W.C.
Inlet Gas Pressure* (inches of water) * For purposes of input adjustment.
Maximum 14 in. 14 in. 14 in.
Minimum * 11 in. 11 in. 11 in.
Ignition Electric Piezo Electric Piezo Electric Piezo
Dimensions, Inches (HxWxD)
Heater 22.3 × 17.32 × 9.62 26.8 × 21 × 9.2 26.8 × 28.5 × 9.3
Carton 23.1 × 18.31 × 9.84 26.69 × 21.97 × 9.76 26.69 × 29.13 × 9.76
Weight (Pounds)
Heater 16.3 23.6 30.1
Shipping 21.5 30.3 37.2

3
IMPORTANT SAFETY INFORMATION
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, re, explosion, electrical shock, and carbon monoxide poisoning.
Only a qualied installer, service agent, or local gas supplier may install and service this product.
WARNING: Do not store, use gasoline, other ammable vapors, liquids in the vicinity
of this or any other appliance.
CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning resemble the
u with headaches, dizziness, or nausea. If you have these signs, the heater may not be working
properly. Get fresh air immediately! Have heater serviced. Some people are more affected by
carbon monoxide than others. These include pregnant women, people with heart or lung disease,
people who are anemic, those under the inuence of alcohol, and those living in high altitudes
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. Make certain you
read and understand all warnings. Keep this manual for reference. It is your guide to operating
this heater safely.
WARNING: Any change to this replace/heater or its controls can be dangerous.
WARNING: Do not use any accessories not approved for use with this heater.
WARNING: Carefully supervise young children when they are in the room with the heater.
WARNING: Heater becomes very hot when operating. 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: Make sure grill guard is in place before running heater.
WARNING: Keep the appliance area clear and free from combustible materials,
gasoline, and other ammable vapors and liquids.
WARNING: Due to high temperatures, locate this appliance out of trafc and
away from furniture and draperies.
WARNING: Do not place clothing or other ammable material on or near the
appliance. Never place any objects in the heater.

4
1. Do not place Propane/LP supply tank(s) inside any structure. Place Propane/LP
supply tank(s) outdoors.
2. Do not install item #0051064 (Model #MD100TBE) in a bathroom. Do not install
Item #0051118 (Model #MD200TBE) and Item #0051186 (Model #MD300TBE)
in a bedroom or bathroom.
3. 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 Combustion and Ventilation, pages 7
through 9. If heater keeps shutting off, see Troubleshooting, pages 23 through 25.
4. Keep all air openings in front and bottom of heater clear and free of debris. This
will ensure enough air for proper combustion.
5. If heater shuts off, do not relight until you have provided fresh, outside air. If heater
keeps shutting off, have it serviced.
6. Do not run heater:
• Where ammable liquids or vapors are used or stored.
• Under dusty conditions.
7. 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.
8. Always run heater with control knob at 1,2,3,4,5 locked positions.
Never set control knob between locked positions. Poor combustion and higher
levels of carbon monoxide may result.
9. Do not use heater if any part has been under water. Immediately call a qualied
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.
10. Turn off and unplug heater and let cool before servicing. Only a qualied service
person should service and repair heater.
11. Operating heater above elevations of 4,500 feet could cause pilot outage.
12. To prevent performance problems, do not use propane/LP fuel tank of less than
100 lbs. capacity.
QUALIFIED INSTALLING AGENCY
Only a qualied agency should perform installation and replacement of gas piping, gas
utilization equipment or accessories, and repair and servicing of equipment. The term
“qualied agency” means any individual, rm, corporation, or company that either in
person or through a representative is engaged in and is responsible for:
a) Installing, testing, or replacing gas piping or
b) Connecting, installing, testing, repairing, or servicing 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.

5
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.
PIEZO IGNITION SYSTEM
This heater is equipped with an electronic piezo control system. This system requires
AAA batteries (provided).
THERMOSTAT HEAT CONTROL
The control automatically cycles the burner on and off to maintain a desired room
temperature. See page 20.
2 GAS OPTIONS CAPABLE
Your heater is equipped to operate on either propane or natural gas. The heater is
shipped from the factory ready for connecting to propane. The heater can easily be
changed to natural gas by having your qualied installer follow the instructions on page
16 and the markings on the heater.
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, unvented 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.
LOCAL CODES
Install and use heater with care. Follow all 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 Standard Institute, Inc National Fire Protection Association, Inc.
1430 Broadway 1 Batterymarch Park
New York, NY 10018 Quincy, MA 02269-9101
This heater is designed for vent-free operation. State and local codes in some areas prohibit the
use of vent-free heaters.
PRODUCT FEATURES

6
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS
Water vapor is a by-product of gas combustion. An unvented room heater produces
approximately one (1) ounce (30 mL) of water for every 1,000 BTUs (.3 kw) of gas input
per hour. Use an unvented room heater as a supplemental heater (a room) rather than a
primary heat source (an entire house). In most supplemental heat applications, the water
vapor does not create a problem. In most applications, the water vapor enhances the low
humidity atmosphere experienced during cold weather.
The following steps will help ensure that water vapor does not become a problem:
1. Be sure the heater is the proper size for the application, including adequate
combustion air and circulation air.
2. If there is high humidity, the dehumidier may be used to help lower the water vapor
content of the air.
3. Do not use an unvented room heater as the primary heat source.
PREPARING FOR INSTALLATION
Before beginning assembly or operation of the product, make sure all parts are present.
Compare parts with package contents list. If any part is missing or damaged, do not at-
tempt to assemble, install, or operate the product. Contact customer service for
replacement parts.
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-certied equipment shutoff valve with 1/8-inch NPT tap is an acceptable
alternative to test gauge connection. Purchase the optional CSA design-certied
equipment shutoff valve from your dealer.
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to heater for shipping
3. Check heater for any shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.

7
AIR FOR COMBUSTION AND VENTILATION
WARNING: This heater should not be installed in a conned space or unusually tight
construction unless provisions are provided for adequate combustion and ventilation
air. Read the following instructions to ensure proper fresh air for this and other fuel burning
appliances in your home.
PRODUCING ADEQUATE VENTILATION
This heater shall not be installed in a room or space unless the required volume of indoor
combustion air is provided by the method described in the NATIONAL FUEL GAS CODE,
ANSI Z223.1/NFPA 54, the INTERNATIONAL FUEL GAS CODE, or applicable local codes.
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 classications:
1. Unusually Tight Construction
2. Unconned Space
3. Conned Space
The information on pages 7 through 9 will help you classify your space and provide
adequate ventilation.
Conned and Unconned Space
The National Fuel Gas Code, ANS Z223.1 denes a conned space as a space whose
volume is less than 50 cu. ft. per 1,000 BTU/hr (4.8 m^3 per kw) of the aggregate input
rating of all appliances installed in that space and an unconning space as a space
whose volume is not less than 50 cu. ft. per 1,000 BTU/hr (4.8 m^3 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 unconned space.
This heater should not be installed in a conned space or unusually tight construction
unless provisions are provided for adequate combustion and ventilation air.
* 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 dened as construction where:
a) walls and ceilings exposed to the outside atmosphere have a continuous water vapor
retarder with a rating of one perm (6x10-11kg per pa-sec-m2) or less with openings
gasketed or sealed and
b) weather stripping has been added on windows that can be opened and on doors and
c) 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” (page 9). If your home does not meet all of the
three criteria above, proceed to “Determining Fresh-Air Flow For Heater Location”.

8
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Conned or Unconned Space
Use this worksheet to determine if you have a conned or unconned 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 20 ft. (length) × 16 ft.(width) × 8 ft. (ceiling height) = 2560 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. Divide the space volume by 50 cu. ft. to determine the maximum BTU/hr the space
can support.
_______ (volume of space) ÷ 50 cu. ft.= (Maximum BTU/hr the space can support)
Example: 2560 cu. ft. (volume of space) ÷ 50 cu. ft. = 51.2 or 51,200 (maximum
BTU/hr the space can support)
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 Example:
Gas heater logs BTU/hr Gas water heater 30,000 BTU/hr
Other gas appliances*+ BTU/hr Vent-free heater + 26,000 BTU/hr
Total = BTU/hr Total = 56,000 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 : 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 conned 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 unconned space, remove door to adjoining room or add ventilation
grills between rooms. See “Ventilation Air From Inside Building,” page 9.
b) Vent room directly to the outdoors. See “Ventilation Air From Outdoors,” Page 9.
c) Install a lower BTU/hr heater 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 unconned space. You will need no additional fresh air ventilation.

9
WARNING: If the area in which the heater may be operated is smaller than that dened as
an unconned 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, ANS Z223.1, Section 5.3 or applicable local codes.
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation
grills or duct. 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/ANS Z223.1. Air for Combustion
and Ventilation for required size
of ventilation grills or ducts.
Ventilation Air From Inside Building
This fresh air would come from adjoining
unconned space. When ventilating to an
adjoining unconned space, you must
provide two permanent openings: one
within 12 inches of the wall connecting
the two spaces (see options 1 and 2,
Fig. 1). You can also remove door into
adjoining room (see option 3, Fig. 1).
Follow the National Fuel Gas Code
NFPA 54/ANS Z223.1. 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 adjoining unconned space.
The combined spaces must have enough
fresh air to supply all appliances in both
spaces.
Fig. 1 - Ventilation Air from Inside Building
Fig. 2 - Ventilation Air from Outdoors
WARNING: If the area in which the heater may be operated does not meet the required
volume for indoor combustion air, combustion and ventilation air shall be provided by one
of the methods described in the NATIONAL FUEL GAS CODE, ANSI Z223.1/NFPA 54, the
INTERNATIONAL FUEL GAS CODE, or applicable local codes.
Ventilation
Grills
Into Adjoining
Room,
Option 1
Or
Remove
Door
Into
Adjoining
Room,
Option 3
Ventilation Grills
Into adjoining Room,
Option 2
12 in.
12 in.
Outlet
Air
Ventilated
Attic
To Attic
To Crawl
Space
Outlet
Air
Inlet
Air
Inlet Air Ventilated
Crawl Space

10
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.
WARNING: A qualied technician must install heater. Follow all local codes.
WARNING: Never install the heater:
• in a bathroom - Item # 0051064 (Model # MD100TBE)
• in a bedroom or bathroom - Item # 0051118 (Model # MD200TBE) and
Item # 0051186 (Model # MD300TBE)
• in a recreational vehicle
• where curtains, furniture, clothing, or other ammable objects are less
than 36 inches from the front, top, or sides of the heater
• in high trafc areas
• in windy or drafty areas
CAUTION: This heater creates warm air currents. These currents move heat to wall
surfaces next to heater. Walls may become discolored if you install or operate your heater
or use impurities, such as tobacco smoke, aromatic candles, cleaning uids, oil, or kerosene
lamps, etc., next to vinyl or cloth wall coverings.
WARNING: Maintain the minimum clearances. If you can, provide greater clearances from
oor, ceiling and adjoining side and back walls.
IMPORTANT: Vent-free heaters add moisture to the air. Although this is benecial,
installing heater in rooms without enough ventilation air may cause mildew to form from too
much moisture. See Air for Combustion and Ventilation, pages 7 through 9.
CHECK GAS TYPE
Be sure your gas supply is right for your heater.
Otherwise, call dealer where you bought the
heater for proper type heater.
CLEARANCES TO COMBUSTIBLES
Carefully follow the instructions below.
This heater is a wall mount unit designed
to sit directly on the oor or on a mantel base.
WARNING: Maintain the minimum
clearances shown in Fig. 3. If you
can, provide greater clearances
from oor, ceiling, and joining wall.
Fig. 3 - Mounting clearances as
viewed from front of heater (inches)
CEILING
6 in.
Minimum
From
Side of
Heater
LEFT SIDE RIGHT SIDE
Control Knob
36 in.
Minimum
FLOOR
2 in. Minimum to Surface of Carpeting.
Tile, or Other Combustible Material

11
LOCATING HEATER
This heater is designed to be mounted on a wall.
For convenience and efciency, install heater:
1) Where there is easy access for operation,
inspection, and service.
2) In the coldest part of room.
INSTALLING THERMOSTAT SENSING BULB
1. Pull out the sensing bulb from the two clips
located in the shipping position. There
is no need to take out the two bulb clips.
2. Take out the bulb clip from the hardware
package and insert it into the square hole.
Then insert the sensing bulb into the bulb
clip (see Fig. 4).
FASTENING HEATER TO WALL
Mounting Bracket
The mounting bracket is located on back panel
of heater (see Fig. 5).
It has been taped there for shipping. Remove
mounting bracket from back panel.
Removing Front Panel of Heater
1. Remove 4 screws - 2 screws on each side
of the front panel.
2. Pull front panel forward.
3. Replace front panel when completed, using
the screws removed.
Methods For Attaching Mounting Bracket To Wall
Use only the last hole on each end of mounting bracket to attach bracket to wall. Attach
mounting bracket to a wall only in one of two ways:
1. Attaching to wall stud: This method provides the strongest hold. Insert mounting screws
through mounting bracket and into wall studs.
2. Attaching to wall anchor: This method allows you to attach mounting bracket to hollow walls
(wall areas between studs) or to solid walls (concrete or masonry).
3. Decide which method better suits your needs. Either method will provide a secure hold for the
mounting bracket.
Fig. 4 - Moving Thermostat Sensing Bulb
Fig. 5 - Mounting Bracket Location
Mounting Bracket

12
Fig. 6 - Mounting Bracket
Clearances (inches)
Attaching Mounting Bracket To Wall
Note: Wall anchors, mounting screws, and
spacers are in hardware package. The
hardware package is provided with heater.
Attaching to Wall Stud Method
For attaching mounting bracket to wall studs:
1. Drill holes at marked locations using
9/64-inch drill bit.
2. Place mounting bracket onto wall. Line up
last hole on each end of bracket with holes
drilled in wall.
3. Insert mounting screws through bracket
and into wall studs.
4. Tighten screws until mounting bracket is
rmly fastened to wall studs.
Item # 0051064
(Model # MD100TBE)
Item # 0051118
(Model # MD200TBE)
Item # 0051186
(Model # MD300TBE)
Marking Screw Locations
1. Tape mounting bracket to wall where heater
will be located. Make sure mounting bracket
is level.
WARNING: Maintain minimum clearances
shown in Fig. 3. If you can, provide greater
clearances from oor and joining wall.
2. Mark screw locations on wall (see Fig. 6).
Note: Mark only last hole on each end of
mounting bracket. Insert mounting
screws through these holes only.
3. Remove tape and mounting bracket
from wall.
Only Insert Mounting
Screws Through Last
Hole On Each End
Adjoining Wall
Floor
Min.
7 11/16 in.
16 17/32 in.
16 7/8 in.
Min.
Only Insert Mounting
Screws Through Last
Hole On Each End
Floor
Adjoining Wall
Min.
11 1/8 in. 17 5/16 in.
16 7/8 in.
Min.
Min
8 3/4 in. 12 3/16 in.
14 1/4 in.
Min.
Only insert mounting
screws through last
hole on each end.
FLOOR
Adjoining Wall
Min
7 11/16 in. 16 17/32 in.
16 7/8 in.
Min.
Only insert mounting
screws through last
hole on each end.
FLOOR
Adjoining Wall
Min
11 1/8 in. 17 5/16 in.
FLOOR
Adjoining Wall
16 7/8 in.
Min.
Only insert mounting
screws through last
hole on each end.

13
Attaching to Wall Anchor Method
For attaching mounting bracket to hollow walls (wall areas
between studs) or solid walls (concrete or masonry):
1. Drill holes at marked locations using 5/16-inch drill bit.
For solid walls (concrete or masonry), drill at least 1
inch deep.
2. Fold wall anchor as shown in Fig. 7.
3. Insert wall anchor (wings rst) into hole. Tap anchor
ush to wall.
4. For thin walls (1/2 inch or less), insert white key into
wall anchor. Push white key to “pop” open anchor wings
(see Fig. 8).
IMPORTANT: Do not hammer anchor key! For thick
walls (over 1/2 inch thick) or solid walls, do not pop
open wings.
5. Place mounting bracket onto wall. Line up last hole on
each end of bracket with wall anchors.
6. Insert mounting screws through bracket and into wall
anchors.
7. Tighten screws until mounting bracket is rmly fastened
to wall.
Placing Heater On Mounting Bracket
1. Locate two horizontal slots on back panel of heater (see
Fig. 9).
2. Place heater onto mounting bracket. Slide horizontal
slots onto stand-out tabs on mounting bracket.
Installing Bottom Mounting Bracket
1. Install bottom bracket to heater bottom with two screws.
It may be more convenient to remove heater from wall
bracket to attach.
2. Place heater on wall mounting bracket.
3. Mark screw locations on wall.
4. Remove heater from mounting bracket.
5. If installing bottom mounting screws into hollow or solid
wall, install wall anchors. Follow steps 1 through 4
under “Attaching To Wall Anchor Method”. If
installing bottom mounting screw into wall stud, drill
holes at marked locations using 9/64-inch drill bit.
6. Replace heater onto mounting bracket.
7. Tighten both screws until heater is rmly secured to
wall. Do not overtighten.
Fig. 7 - Folding Anchor
Fig. 8 - Popping Open Anchor
Wing For Thin Walls
Fig. 9 - Mounting Heater
Onto Mounting Bracket
Fig. 10 - Installing Bottom
Mounting Bracket
Horizontal Slots
Bottom
holes

14
WARNING: A qualied service technician must connect heater to gas supply. Follow all
local codes.
WARNING: This appliance requires a 3/8-inch NPT (National Pipe Thread) inlet
connection to the pressure regulator.
WARNING: Never connect heater to private (non-utility) gas wells. This gas is commonly
known as wellhead gas.
WARNING: Do not overtighten gas connections.
CAUTION: Use only new, black iron or steel pipe. Internally tinned copper tubing may
be used in certain areas. Check your local codes. Use pipe of 1/2-in. diameter or
greater to allow proper gas volume to heater. If pipe is too small, undue loss of
pressure will occur.
NATURAL GAS MODELS:
CAUTION: Check your gas line pressure before connecting heater to gas line. Gas
line pressure must be no greater than 10.5 inches of water. If gas line pressure is
higher, heater regulator damage could occur.
PROPANE MODELS:
CAUTION: Never connect heater directly to the gas supply. This heater requires an
external regulator (not supplied). Install the external regulator between the heater and
gas supply.
CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when
connecting into gas piping and/or ttings.
CAUTION: Use pipe joint sealant that is resistant to gas (Propane or Natural Gas).
CONNECTING TO GAS SUPPLY
Typical Inlet Pipe Diameters
Use 3/8-inch black iron pipe or greater. Installation must include an equipment shutoff valve,
union, and plugged 1/8-inch NPT tap.
Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater
(see Fig. 11).
IMPORTANT: Install an equipment shutoff valve in an accessible location. The equipment
shutoff valve is for turning on or shutting off the gas to the appliance.
Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going
into pipe. Excess sealant in pipe could result in clogged heater valves.

15
Fig. 11 - Gas Connection
* Purchase the optional CSA design-certied equipment shutoff valve from your dealer.
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 inches of water. If you do not reduce incoming
gas pressure, heater regulator damage could occur.
Install external regulator with the vent pointing down
as shown in Fig. 12. Pointing the vent down protects
it from freezing rain or sleet.
Install sediment trap in supply line as shown in Fig. 11.
Place sediment trap where it is within reach for
cleaning. Place sediment trap where trapped matter is
not likely to freeze. A sediment trap traps moisture and
contaminants. This keeps them from going into heater
controls. If sediment trap is not installed or is installed
wrong, heater may not run properly.
Installation of Base Feet
Before installing heater to the base, please make sure
you have the following items:
(2) Base Feet, (4) Sheet Metal Screws. (Fig.13)
Installation Procedure:
1. Set back of heater on table with the bottom of heater
extending outside the table edge.
2. Fasten Base Feet to heater using Sheet Metal
Screws.
Fig. 12 - External Regulator with Vent
Pointing Down
Fig. 13
3 in Minimum
14 in
3 in. Minimum
Test
Gauge
Connection *
Sediment
Trap
Tee Joint
Reducer
Bushing to
1/8 in NPT
1/8 in NPT
Plug Tap
Tee Joint
Pipe Nipple
Gap
3/8 in NPT
Pipe Nipple
Ground Joint
Union
Equipment
Shutoff
Valve
Inlet Pipe From Gas
Meter (11 in W. C. to
14 in W. C. Pressure)
Propane/LP
Supply Tank
External
Regulator
Vent Pointing Down
Base Feet
Sheet Metal
Screws

16
CAUTION: DO NOT install two gas lines at the same time. DO NOT open the cover while the
heater is running.
Heater is pre-set at factory for propane gas; no changes are required for connecting to propane.
Only a qualied installer or service technician can perform gas selection and connecting to gas
supply.
CAUTION: To avoid gas leakage at the inlet of regulator, a qualied installer or service
technician must use hex plug with sealant.
For changing from propane to natural gas supply
1. Remove top screw from cover plate, See Fig. 14, and rotate to expose gas selection valve.
2. For NATURAL GAS, press knob using a at screwdriver with a blade with thickness of a
quarter and turn knob counterclockwise until the knob locks into the NG position (see
Fig.15). Selection valve must be locked in the NG position. Do not operate heater between
locked positions.
3. Rotate and close cover over gas selection valve and reinstall screw.
4. Remove hex plug (with wrench provided) from natural gas inlet of regulator and install into LP
inlet of regulator; use thread sealant to ensure that there are no leaks.
For changing from natural gas supply to propane supply:
1. Remove top screw from cover plate, See Fig. 14, and rotate to expose gas selection valve.
2. For propane gas, press in knob using a at screw driver with a blade the thickness of a quarter
and turn knob clockwise until the knob locks into the LP position, see Fig.16. Selection
valve must be locked in the LP position. Do not operate heater between locked positions.
3. Rotate and close cover over gas selection valve and reinstall screw.
4. Remove hex plug from liquid propane inlet of regulator and install into NG inlet of regulator;
use thread sealant to assure there are no leaks.
CONNECTING TO GAS SUPPLY (CONTINUED)
Fig. 14 Fig. 15 Fig. 16
NATURAL GAS PROPANE GAS
PLUG
NATURAL GAS
PROPANE GAS
PLUG

17
CHECKING GAS CONNECTIONS
WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct
all leaks immediately.
WARNING: Never use an open ame to check for a leak. Apply a mixture of liquid soap and
water to all joints. If bubbles form, there may be a leak. Correct all leaks immediately.
Pressure Testing Gas Supply Piping System
Test Pressures In Excess Of 1/2 PSIG ( 3.5kPa )
1. Disconnect heater 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 using compressed air or opening gas supply
tank valve.
4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas
joints. If bubbles form, there may be a leak.
5. Correct all leaks immediately.
6. Reconnect heater and equipment shutoff valve to gas supply. Check reconnected
ttings for leaks.
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Fig. 17).
2. Pressure supply piping system by either using compressed air or opening gas supply tank
valve.
3. Check all joints from gas meter to equipment shutoff valve (see Fig.17). Apply mixture
of liquid soap and water to gas joints. If bubbles form, there may be a leak.
4. Correct all leaks immediately.
Pressure Testing Heater Gas Connections
1. Open equipment shutoff valve (see Fig. 17).
2. Open gas supply tank valve.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from equipment shutoff valve to control valve (Fig. 17). Apply mixture of
liquid soap and water to gas joints. If bubbles form, there may be a leak.
5. Light heater (see Operation, page 18). Check all other internal joints for leaks.
6. Turn off heater (see "To Turn Off Gas to Appliance," page 20).
Fig. 17 - Equipment Shut -off Valve Fig. 18 - Checking Gas Joints
Equipment
Shutoff Valve
Open
Closed
Fuel supply Control
Valve
Manual
Shutoff
Valve

18
OPERATION
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING: If you do not follow these instructions exactly, a re or explosion may result
causing property damage, personal injury, or loss of life.
NOTICE: During initial operation of new heater, burning logs will give off a paper
burning smell. Orange ame will also be present. Open a window to vent smell. This
will last only few hours.
CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.
A. This appliance has a pilot which must be lighted by the electronic ignitor. When
lighting the pilot, follow these instructions exactly.
B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to
the oor because some gas is heavier than air and will settle on the oor.
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
C. Use only your hand to push control. Never use tools. If the appliance does not operate,
don’t try to repair it. Call a qualied service technician or gas supplier.
Forced or attempted repair may result in re or explosion.
D. Do not use this appliance if any part has been under water. Immediately call a
qualied service technician to inspect the appliance and to replace any part of the
control system and any gas control, which has been under water. The control system
of this heater is not replaceable, have customer contact their insurance company for water
damage.
Note: Please wait one minute after shutting off replace to allow the control valve to reset
before starting again.

19
LIGHTING INSTRUCTIONS
Unscrew ignitor cap and install a AAA battery with the + pointing out. Replace cap.
1. STOP! Read the safety information on the side of the heater.
2. Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise to the OFF position.
4. Wait ve (5) minutes to clear out any gas. Then smell for gas, including near the oor. If
you smell gas, STOP! Do not try to light any appliance. Do not touch electrical switch or
use any phone in the building. Immediately contact gas supplier from a neighbor’s phone.
Follow gas supplier’s instructions. If you can’t reach the gas supplier, call the re
department. If you don’t smell gas, go to the next step.
5. Turn control knob counterclockwise to the PILOT position. Press in control knob for
ve (5) seconds (see Fig.19).
Note: When you rst operate the heater, after connecting the gas supply, the control knob
should be depressed for about thirty (30) seconds.This will allow air to bleed from the
gas supply system. If pilot does not stay lit, refer to Troubleshooting, pages 23 through
25. Also contact a qualied service technician or gas supplier for repairs. Until repairs are
made, light pilot with match.
• If control knob does not pop up when released, contact a qualied service technician or
gas supplier for repairs.
6. With control knob pressed in, push down and release ignitor button. This will light pilot.
The pilot is attached to the front of burner. The pilot can be seen through the gill. If
needed, keep pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, refer to Troubleshooting, pages 23 through 25. Also contact
a qualied service technician or gas supplier for repairs.
7. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release
control knob.
If control knob does not pop up when released, contact a qualied service technician or
gas supplier for repairs.
Note: If pilot goes out, repeat steps 3 through 7. This heater has a safety interlock
system. Wait one (1) minute before lighting pilot again.
8. Turn control knob counterclockwise to desired heating level. The main burner should
light. Set control knob to any heat level between 1 and 5.
CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.

20
TO TURN OFF GAS TO APPLIANCE
Fig. 19 - Control Knob Position
THERMOSTAT CONTROL OPERATION
The thermostatic control used on this model differs from standard thermostats. Standard ther-
mostats simply turn the burner on and off. The thermostat used on this heater senses the room
temperature. At times the room may exceed the set temperature. If so, the burner will shut off.
The burner will cycle back on when room temperature drops below the set temperature. The
control knob can be set to any comfort level between HIGH (5) and LOW (1).
Shutting Off Heater
Turn control knob clockwise to the OFF position.
Shutting Off Burner Only (pilot stays lit )
Turn control knob clockwise to the PILOT position.
Ignitor Button Control knob