HearthRite HB20TN-1 Owner's Operation And Installation Manual

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HearthRite HB20TN-1 Owner's Operation And Installation Manual | Manualzz
BLUE FLAME VENT-FREE
NATURAL GAS SPACE
HEATER
OWNER ’S OPERATION AND INSTALLATION MANUAL
HB20MN-1
HB20TN-1
HB30MN-1
HB30TN-1
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 performed by a
qualified installer, service agency or gas
supplier.
Table of Contents
Important Safety Information.................................2
Product Features.....................................................3
Proper Ventilation & Fresh Air...............................4
Installation................................................................6
Operating Your Heater...........................................10
Cleaning & Maintenance.......................................13
Trouble Shooting...................................................14
Specifications..........................................................17
Parts List.................................................................19
Warranty Information.............................................22
WARNING: If the information in this
manual is not followed exactly, a f i r e o r
e x p l o s i o n m a y r e s u l t causing property
damage, personal injury, or loss of life.
WARNING: This is an unvented gas-fired
heater. It uses air (oxygen) f r o m t h e r o o m
i n w h i c h i t i s installed. Provisions for
adequate combustion and ventilation air must
b e p r o v i d e d . R e f e r t o A i r F o r Combustion and Ventilation section on page 4 of this
manual.
A Division of Empire Comfort Systems,Inc.
918 Freeburg Avenue
Belleville,IL 62220
Phone : 618-233-7420 or 1-800-851-3153
Fax : 618-233-7097 or 1-800-443-8648
WA R N I N G : I m p r o p e r
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 gas supplier.
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.
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 (30ml) of water for every 1,000 BTU’s
(.3KW’s) of gas input per hour. Refer to page 3.
Installer: Please leave these instructions with the
consumer.
Consumer: Please retain these instructions for future use.
IMPORTANT
SAFETY INFORMATION
WARNINGS
I M P O R TA N T: R e a d t h i s
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.
WARNING: Do not use any
accessory not approved for
use with this heater.
WARNING: Any change to
this heater or its controls can
be dangerous.
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. If you smell gas
Shut off gas supply.
Do not try to light any appliance.
Do not touch any electrical switch;
3.
4.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
Due to high temperatures, heater
should
be
kept
out
of
traffic and away from furniture
and draperies.
5.
Surface of heater 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 shuting
down. Allow surface to cool
before touching.
Carefully supervise young
children when they are in the
same room with heater.
Make
place
6.
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.
This heater shall not be
installed in a bedroom or
bathroom.
This heater needs fresh,
outside air ventilation to run
properly. This heater has an
Oxygen Depletion Sensor
(ODS) safety shutoff system.
The ODS shuts down the
heater if not enough fresh air
is available. See Fresh Air for
Combustion and Ventilation
pages 4 and 5.
Keep all air openings in front
and at the bottom of heater clear
and free of debris. This will
insure enough air for proper
combustion.
If heater shuts off. Do not
relight until you provide fresh,
outside air. If heater keeps
shutting off, have it serviced.
Do not operate heater
7.
where flammable liquids or vapors
are used or stored
under dusty conditions
sure grill guard is in
before running heater.
2
8.
Turn heater off before using
furniture polish, wax, carpet
cleaner, or similar products. If
heated, the vapors from these
products may create a white
powder residue within burner
box or on adjacent walls or
furniture.
9. Do not use heater if any part
has been 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.
10. Turn off heater and let cool
before servicing. Only a qualified service person should
service and repair heater.
11. Operating heater above eleva
tions of 4,500 feet could
cause
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, persons with heart or lung
disease or anemia, those under the
influence of alcohol, and those
at high altitudes.
Natural Gas: Natural gas is
odorless. An odor-making agent is
added to natural gas. The odor
helps you detect a natural gas leak .
However, the odor added to natural gas
can fade. Natural 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.
LOCAL CODES
PRODUCT FEATURES
Ignitor
Button
Install and use heater with care. Follow all local
codes. In the absence of local codes, use the
latest edition of National Fuel Gas Code ANSZ223.1,
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
Control
Knob
Grill
Burners
Lower
Front
Panel
Heater
Cabinet
QUALIFIED INSTALLING AGENCY
Installation and replacement of gas piping, gas uti-
Figure1-Vent-Free Nature Gas Heater
lization equipment or accessories and repair and
servicing of equipment shall be performed only by a
SAFETY DEVICE
qualified agency. The term “qualified agency” means
any individual, firm, corporation, or company that ei-
A standard requirement for all vent-free room
heaters. This heater has a pilot with an Oxygen
Depletion Sensor(ODS) safety shutoff system.
The ODS/pilot shuts off the heater if there is
not enough fresh air.
ther in person or through a representative is engaged in and is responsible for (a) the installation,
testing, or replacement of gas piping or (b) the
connection, installation, testing, repair, or servicing
PIEZO IGNITION SYSTEM
of equipment; that is experienced in such work; that
is familiar with all precautions required, and that
This heater is equipped with a piezo ignitor.
This system requires no matches, batteries, or
other sources to light heater.
has complied with all the requirements of the authority having jurisdiction.
State of Massachusetts: The installation must be
made by a licensed plumber or gas fitter in the
Commonwealth of Massachusetts.
Sellers of unvented propane or natural gas-fired 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
nature gas-fired space heaters shall be prohibited in
bedrooms and bathrooms.
THERMOSTATIC HEAT
CONTROL ON THERMOSTAT
MODELS
These heaters have a control valve with a
thermostat sensing bulb. This results in the
greatest heater comfort and may result in
lower gas bills.
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to
heater for shipment.
3. Check heater for any shipping damage. If
heater is damaged. promptly inform dealer
where you bought heater.
WAT E R VA P O R : A B Y- P R O D U C T O F U N V E N T E D R O O M H E AT E R S
Water vapor is a by-product of gas combustion. An
unvented room heater produces approximately one
(1) ounce (30ml) of water for every 1,000 BTU’s
(.3KW’s) of gas input per hour.
Unvented room heaters are recommended as supplemental heat (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 insure that water vapor
does not become a problem.
1. Be sure the heater is sized properly for the
application, including ample combustion air and
circulation air.
2. If high humidity is experienced, a dehumidifier
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.
3
FRESH 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.
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, l 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 (6×10-11 kg
per pa-sec-m 2 )
or less with
openings gasketed or sealed and
b. weather stripping has been
added on openable windows and
doors and
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 Ventilation Air From Outdoors,
page 6.
If your home does not meet all of the
three criteria abov, see Determining
Fresh-Air Flow for Heater Location,
page 4, 5.
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.
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if you Have a Confined or Unconfined Space*
Use this worksheet 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×width×height).
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.
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: 2560 cu. ft. (volume of space) 50 cu.ft.=51.2 or 51,200(maximum Btu/Hr t he space can support)
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 National Fuel Gas Code, ANS Z223.1, Section 5.3
or applicable local codes.
4
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free heater
Btu/Hr
Example:
Gas water heater*
Btu/Hr
Gas water heater
40,000
Btu/Hr
Gas furnace
Btu/Hr
Vent free heater +
20,000
Btu/Hr
Vented gas heater
Btu/Hr
Total
=
60,000
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 : 51,200 Btu/Hr(maximum the space can support)
60,000 Btu/Hr(actual amount of Btu/Hr used)
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 adjoining room or add ventilation grills between rooms. See Ventilation Air from
Inside Building, page 5.
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.
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
Ve n t i l a t i o n f o r r e q u i r e d s i z e o f
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.
Figure 2 -Ventilation Air from Inside Building
5
VENTILATION AIR
Figure 3 -Ventilation Air from Outdoors
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.
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: 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.
*A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to
test gauge connection. Purchase
the CSA/AGA design certified equipment shutoff valve from your dealer.
LOCATING HEATER
This heater is designed to be
mounted on a wall. You can locate
heater on floor, away from a wall.
An optional floor mounting stand is
needed. Purchase
the
floor
mounting stand from your dealer.
See Accessories, page 17.
For convenience and efficiency,
install heater
where there is easy access for
operation, inspection, and service
CHECK GAS TYPE
Use only natural gas. If your gas
supply is not natural, do not install
heater. Call dealer where you
bought heater for proper type heater.
INSTALLATION NEEDS
Before installing heater, make sure
you have the items listed below.
piping (check local codes)
sealant (resistant to natural gas)
equipment shutoff valve*
ground joint union
test gauge connection*
sediment trap
tee joint
pipe wrench
in coldest part of room
An optional fan kit is available from
your dealer. See Accessories,
page 17. If planning to use fan,
locate heater near an electrical
outlet.
CAUTION: If you install the
heater in a home garage
heater pilot and burner must
be at least 18 inches above
floor.
locate heater where moving
vehicle will not hit it.
6
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.
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 36 inches
from the front, top, or sides of
the heater.
as a fireplace insert.
in high traffic areas.
in windy or drafty areas.
INSTALLATION
WARNING: Maintain the
minimum clearances shown
in Figure 4. If you can,
provide greater clearances from
floor, ceiling, and joining wall.
FASTENING HEATER TO WALL
Mounting Bracket
The mounting bracket is located
on back panel of heater (see
figure 6). It has been taped there
for shipping. Remove mounting
bracket from back panel.
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).
Decide which method better
suits your needs. Either method
will provide a secure hold for the
mounting bracket.
Marking Screw Locations
1. Tape mounting bracket to wall
where heater will be located.
Make sure mounting bracket is
level.
Figure 6 -Mounting Bracket
Location
Figure 4 -Mounting Clearance as
Viewed From Font Of Heater
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
Fresh Air for Combustion and
Ventilation, pages 4 and 5.
INSTALLING THERMOSTAT
SENSING BULB
For T-Stat Models Only
1. Pull out the sensing bulb from the
two clips located in the shippng
position according to the direction
as shown by the arrow. 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 and then insert the
sensing bulb into the bulb clip (see
Figure 5).
Figure 5 - Moving Thermostat
Sensing Bulb
Removing Lower Front Panel Of
The Heater
1. Remove two screws near bottom
corners of lower front panel
2. Pull bottom of lower front panel
forward, then down (see Figure 7).
WARNING:
Maintain
minimum clearances shown in
Figure 4. If you can, provide
greater clearances from floor
and joining wall.
2. Mark screw locations on
wall. (see Figure 8)
Note: Only mark last hole on
each end of mounting bracket.
Insert mounting screws through
these holes only.
3. Remove tape and mounting
bracket from wall.
Figure 7 - Removing Lower Front
Panel Of Heater
Methods For Attaching Mounting
Bracket To Wall
Only use last hole on each end
of mounting bracket to attach
bracket to wall. These two holes
are 16 inches apart from center.
Attach mounting bracket to wall
only in one of two ways:
1. Attaching to wall stud
2. Attaching to wall anchor
Attaching To Wall Stud: This
method provides the strongest
hold. Insert mounting screws
through mounting bracket and
into wall studs.
7
Models HB30MN HB30TN
Models HB20MN HB20TN
Figure 8 - Mounting Bracket
Clearances
INSTALLATION
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 Wal l Stud Method
For attaching mounting bracket
to wall studs
1. Drill holes at marked locations
using 9/64" 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 firmly fastened to
wall studs.
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" drill bit. For solid
walls (concrete or masonry),
drill at least 1" deep.
2. Fold wall anchor as shown in
Figure 9 below.
IMPORTANT: Do not
hammer
key! For thick walls
(over 1/2" thick) or solid walls,
do not pop open wings.
Figure 12 - Installing Bottom
Mounting Screws
Figure 10 - Popping Open Anchor
Wing For Thin Walls
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 firmly fastened to
wall.
Placing Heater On Mounting
Bracket
1. Locate two horizontal slots on
back panel of heater (see
Figure 11).
2. Place heater onto mounting
bracket. Slide horizontal slots
onto stand-out
tabs
on
mounting bracket.
Figure 9 - Folding Anchor
3.
Insert wall anchor (wings
first) into hole. Tap anchor
flush to wall.
4. For thin walls (1/2" or less),
insert red key into wall
anchor. Push red key to
"pop" open anchor wings.
(see Figure 10).
Figure 11 - Mounting Heater Onto
Mounting Bracket
Installing Bottom Mounting
Screws
1. Locate two bottom mounting
holes. These holes are near
bottom on
back panel of
heater(see Figure 12).
8
2. Mark
screw locations on
wall.
3. Remove heater from mounting
bracket.
4. 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" drill bit.
5. Replace heater onto mounting
bracket.
6. Place
spacers
between
bottom mounting holes and
wall anchor or drilled holes.
7. Hold spacer in place with
one
hand. With other hand, insert
mounting
screw
through
bottom mounting hole and
spacer. Place tip of screw in
opening
of
wall anchor
or drilled holes.
8. Tighten both screws until heater
is firmly
secured
to
wall. Do not over tighten.
Note: Do not replace front panel
at this time. Replace front
panel
after
making
gas
connections and checking for
leaks (see pages 8 and 9).
INSTALLATION
CONNECTING TO GAS SUPPLY
WARNING: A qualified
service person must connect
heater to gas supply. Follow all
local codes.
WARNING: This appliance
requires a 3/8" NPT (National
Pipe Thread) inlet connection
to the pressure regulator.
WARNING: Never connect
heater to private (non-utility) gas
well. This gas is commonly
known as well-head gas.
IMPORTANT: 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.
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 large enough diameter to
allow proper gas volume to heater.
If
pipe
is
too
small,
undue loss of pressure will
occur.
Figure 13 -Gas Connection
*A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is
an acceptable alternative to test gauge connection. Purchase the CSA/AGA
design-certified equipment shutoff valve from your dealer.
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.
Typical Inlet Pipe Diameters
All models up to 20,000 BTU’s use
3/8’’ or greater pipe;
All models 25,000 BTU’s and higher,
use 1/2” or greater pipe.
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.
Installation must include an
equipment shutoff valve, union,
and plugged 1/8" NPT tap. Locate
NPT tap within reach for test gauge
hook up. NPT tap must be
upstream from heater (see Figure
13).
CAUTION: Use pipe joint
sealant that is resistant to
natural gas.
9
Install sediment trap in supply line
as shown in Figure 13. Locate
sediment trap where it is within
reach
for cleaning. Locate
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.
IMPORTANT :
Hold pressure
regulator with wrench when
connecting it to gas piping and/or
fittings.
INSTALLATION
CHECKING GAS
CONNECTIONS
WARNING: Test all gas
piping and connections for leaks after
installing or servicing. Correct all
leaks at once.
WARNING: Never use an open
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming
show a leak. Correct all leaks at
once.
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of
1/2 PSIG (3.5 K Pa)
1. Disconnect appliance 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
main gas valve located on or
near gas meter.
4. Check all joints of gas supply
piping system. Apply mixture of
liquid soap and water to gas
joints. Bubbles forming show
a leak.
5. Correct all leaks at once.
6. Reconnect heater and equipment
shutoff valve to gas supply. Check
reconnected fittings for leaks.
Test Pressures Equal To or
Less Than 1/2 PSIG (3.5 K Pa)
1.
Close equipment shutoff valve
(see Figure 14).
2. Pressurize supply piping system
by either using compressed air
or opening main gas valve
located on or near gas meter.
3. Check all joints from gas meter to
equipment shutoff vane (see
Figure 15). Apply mixture of
liquid soap and water to gas
joints. Bubbles forming show
a leak.
4. Correct all leaks at once.
Pressure Testing Heater Gas
Connections
1. Open equipment shutoff valve
(see Figure 14).
2. Open main gas valve located
on or near gas meter.
3. Make sure control knob of
heater is in the OFF position.
4. Check all joints from equipment
shutoff valve to control valve
(see Figure 15 ). Apply mixture of
liquid soap and water to gas
joints. Bubbles forming show
a leak.
5. Correct all leaks at once.
6. Light heater (see Operating
Heater, pages 10 and 11 for
thermostat models or page 12
for non-thermostat models).
Check the rest of the intemal
joints for leaks.
7. Turn off heater (see To Turn Off
Gas to Appliance, page 11 for
thermostat models or page 12
for non-thermostat models).
8. Replace lower front panel.
Figure 14 -Equipment Shutoff Valve
OPERATING YOUR HEATER
THERMOSTAT MODELS
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not
follow
these
instructions
exactly, a fire or explosion may
result
causing
property
damage, personal injury or
loss of life.
A. 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 floor because some gas is
heavier than air and will settle
on the floor .
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electric 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.
C. Use only your hand to push in
or turn the gas control knob.
Never use tools. If the knob
will not push in or turn by
hand, don’t try to repair it, call
a qualified service technician or
gas supplier. Force or attempted
repair may result in a fire or
explosion.
D. Do not use this appliance if any
part has been under water.
Immediately call a qualified
Figure 15 -Checking Gas Joints
service technician to inspect
the appliance and to replace
In the State of Massachusetts the gas
any part of the control system
cock must be a T handle type. The State
and any gas control which has
of Massachusetts requires that a flexbeen under water.
ible appliance connector cannot exceed
three feet in length.
1 0
OPERATING YOUR HEATER
THERMOSTAT MODELS
LIGHTING
INSTRUCTIONS
1. STOP! Read
the safety
information on the side of
heater.
2. Check that gas supply to
heater is on.
3. Push in gas control knob
slightly and turn clockwise
to the OFF position.
NOTE: knob cannot be turned from
“PILOT” to “OFF” unless knob is
pushed in slightly. Do not use
force.
4.
5.
Wait five (5) minutes to clear
out any air. Then smell for
gas, including near the floor.
If
you
smell gas, STOP!
Follow “B”
in
the
safety
information on the side of the
heater. If you do not smell
gas, go to the next step.
Push
in gas control knob
slightly
and
turn
counterclockwise
to
“PILOT/IGN” and depress for
five(5) seconds
NOTE : The first time that the
heater
is operated 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
system.
6.
With control knob pressed in,
push down and release the
ignitor button. This will light
pilot. If needed, keep pressing
ignitor button until pilot lights.
NOTE: If pilot does not stay lit,
refer to Troubleshooting , pages
14 through 16. Also contact a
qualified service person or gas
supplier for repairs. Until repairs
are made, light pilot with match.
To light pilot with match, see
Manual Lighting Procedure.
7. Keep control knob pressed in
for thirty (30) seconds after
lighting
pilot.
After
30
seconds, release control knob.
If control knob does not pop
up when released, contact a
qualified service person or
gas supplier for repairs.
NOTE: If pilot goes out, repeat
steps 3 through 7. 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 HI and LO.
This increases or decreases the
burner flame height. 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 heat level between HI
and LO. Selecting the HI setting will
cause the burner to remain fully on
without modulating down in most cases.
NOTE: the thermostat sensing
bulb
measures the temperature of air near
the heater cabinet. This may not always agree with room temperature
(depending on housing construction.
installation location, room size, open
air temperatures, etc.). frequent use of
your heater will let you determine
your own comfort levels.
Figure 16 - Control Knob In The
OFF Position
TO TURN OFF
GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the OFF position.
2. Turn off all electric power to
the appliance if service is to
be performed.
SHUTTING OFF BURNER ONLY
(PILOT STAYS LIT)
Turn control knob clockwise
to the PILOT/IGN position.
MANUAL LIGHTING
Figure 17 - Pilot
PROCEDURE
1.
THERMOSTAT
CONTROL
OPERATION
The thermostatic control used on
these models differs from standard
thermostats. Standard thermostats
simply turn on and off the burner.
The thermostat used on this heater
senses the room temperature. The
thermostat adjusts the amount
of gas flow to the
burner.
1 1
Remove lower front panel (see
Figure 7 page 7).
2. Follow steps 1 through 5
under Lighting Instructions.
3. With control knob pressed in,
strike match. Hold match to
pilot until pilot lights.
4.
Keep control knob pressed in
for 30 seconds after lighting
pilot. After 30 seconds, release
control knob. Follow step 8
under Lighting Instructions.
5. Replace lower front panel.
OPERATING YOUR HEATER
NON-THERMOSTAT
LIGHTING
INSTRUCTIONS
MODELS
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not
follow these instructions exactly,
a fire or explosion may result
causing property damage,
personal injury or loss of life.
A. 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 floor
because some gas is heavier than
air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any
appliance.
Do not touch any electric
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.
C. Use only your hand to push in
or turn the gas control knob.
Never use tools. If the knob will
not push in or turn by hand, don’t
try to repair it , call a qualified
service technician or gas supplier.
Force or attempted repair may
result in a fire or explosion.
D. Do not use this appliance if any
part has been under water.
Immediately call a qualified service
technician to inspect the
appliance and to replace any part of
the control system and any gas
control which has been under water.
1.
2.
3.
4.
5.
STOP!
Read
the
safety
information, on the side of
heater.
Make sure equipment shutoff
valve is fully open.
Push in control knob slightly
and turn clockwise
to the
OFF position (see Figure 18).
Wait five minutes to clear out
any gas. Then smell for gas,
including near the floor. If you
smell gas.STOP! Follow "B" in the
safety information on the side of
heater. If you don’t smell gas. go
to the next step.
Push in and turn control knob
counterclockwise
to PILOT
position. Press in control knob
for five(5) seconds.
Note: You may be running
this heater for the first time
after hooking up to gas supply.
If so, you may need to press
in control knob for 30 seconds.
This will allow air to bleed from
the gas system.
6.
7.
8.
With control knob pressed in,
push down and release the
ignitor button. This will light
pilot. if needed, keep pressing
ignitor button until pilot lights.
Keep control knob depressed
for ten(10) seconds after
lighting pilot. If pilot goes out,
repeat steps 5,6 and 7.
To select the desired heating
level, partially press down the
control knob slightly and rotate
counterclockwise
. Release
the downward pressure on the
knob while continuing to turn
until the knob locks at the
desired setting position. Do not
operate between
locked
positions.
TO TURN OFF
GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the OFF position.
2. Turn off all erlectric power
the appliance if service is
be performed.
3. Turn off all erlectric power
the appliance if service is
be performed.
to
to
to
to
Shutting Off Burner Only (pilot
stays lit )
Slightly press in control, turn
control knob clockwise
to the
PILOT position.
Figure 18 - Control Knob In The
OFF Position
Figure 19 - Pilot
1 2
MANUAL LIGHTING
PROCEDURE
1. Remove lower front panel (see
Figure 7 page 7).
2. Follow steps 1 through 5 under
Lighting Instructions, page 12.
3. With control knob pressed in,
strike match. Hold match to pilot
until pilot lights.
4. Keep control knob pressed in for
30 seconds after lighting pilot. After
30 seconds, release control knob.
Follow step 8 under Lighting
Instructions.
5. Replace lower front panel.
INSPECTING BURNER
Check pilot flame pattern and
burner flame pattern often.
PILOT FLAME PATTERN
Figure 20 shows a correct pilot
flame pattern. Figure 21 shows an
incorrect pilot flame pattern. The
incorrect pilot flame is not touching
thermocouple. This will cause the
thermocouple, to cool. When the
thermocouple cools, the heater will
shut down. If pilot flame pattern is
incorrect, as shown in Figure 21.
turn heater off (see To Turn
Off Gas to Appliance, page 12
for non-thermostat models or
page 11 for thermostat models.)
see Troubleshooting. pages 14
through 16.
WARNING: If yellow tipping
occurs, your heater could
produce increased levels of
carbon monoxide. If burner
flame pattern shows yellow
tipping, follow instructions at
bottom of this page.
Notice: Do not mistake orange
flames with yellow tipping. Dirt
or other fine particles enter the
heater and burn causing brief
patches of orange flame.
Figure 22 - Correct Burner Flame
Pattern
Figure 20 - Correct Pilot Flame
Pattern
Figure 23 - Incorrect Burner
Flame Pattern
CLEANING AND
MAINTENANCE
Figure 21 - Incorrect Pilot Flame
Pattern
BURNER FLAME PATTERN
Figure 22 shows a correct burner
flame pattern. Figure 23 shows an
incorrect burner flame pattern. If
burner flame pattem is incorrect,
as shown in Figure 23.
turn heater off (see To Turn Off
Gas to Appliance. page 12 for nonthermostat models or page
11 for thermostat models)
see Troubleshooting. pages 14
through 16
WARNING: Turn off heater
and let cool before servicing.
CAUTION: You must keep control areas, burner, and circulating
air passageways of heater clean.
Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more
frequent cleaning due to excessive
lint from carpeting, bedding
material, pet hair, etc.
1 3
CLEANING ODS/PILOT AND
BURNER
Use a vacuum cleaner,pressurized air or a small, soft bristled
brush to clean.
CLEANING BURNER
PILOT AIR INLET HOLE
We recommend that you clean the
unit every 2,500 hours of operation or
every three months. We also
recommend that you keep the burner
tube and pilot assembly clean and
free of dust and dirt. To clean these
parts we recommend using compressed air no greater than 30 PSl.
Your local computer store, hardware store or home center may carry
compressed air in a can. You can
use a vacuum cleaner in the blow
position. If using compressed air in
a can, please follow the directions
on the can. If you don’t follow
directions on the can, you could
damage the pilot assembly.
1. Shut off the unit, including the
pilot. Allow the unit to cool for
at least thirty minutes.
2. Inspect burner, pilot for dust
and dirt.
3. Blow air through the ports/slots
and holes in the bumer.
Also clean the pilot assembly. A
yellow tip on the pilot flame indicates dust and dirt in the pilot
assembly. There is a small pilot air
inlet hole about two inches from
where the pilot flame comes out of
the pilot assembly (see Figure 24).
With the unit off lightly blow air through
the air inlet hole. You may blow
through a drinking straw if
compressed air is not available.
Figure 24 - Pilot Inlet Air Hole
CLEANING HEATER CABINET
Air Passageways
Use a vacuum cleaner or
pressurized air to clean.
Exterior
Use a soft cloth dampened with
a mild soap and water mixture.
Wipe the cabinet to remove dust.
TROUBLESHOOTING
Note :
All
troubleshooting
items are listed in order of
operation.
WARNING: Only a qualified
service person should service and
repair heater.
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage
ODS/pilot unit.
POSSIBLE CAUSE
REMEDY
OBSERVED PROBLEM
When ignitor button is pressed in,
there is no spark at ODS/pilot.
1. Ignitor electrode is positioned
wrong.
2. Ignitor electrode is broken.
3. Ignitor electrode is not connected
to ignitor cable.
4. Ignitor cable pinched or wet.
5. Broken ignitor cable.
6. Bad piezo ignitor.
ODS/pilot lights but flame goes
out when control knob is released.
1.
Gas supply is turned off or equipment shutoff valve is closed.
2. Control knob not fully pressed in
while pressing ignitor button.
3. Air in gas lines when installed.
4.
ODS/pilot is clogged.
5. Gas regulator setting is not correct.
6. Control knob not in PILOT position.
When ignitor button is pressed
in, there is a spark at ODS/pilot
but no ignition.
1. Control knob is not fully pressed
in.
2. Control knob not pressed in long
enough.
3. Equipment shutoff valve is not
fully open.
4. Thermocouple connection loose
at control valve.
5 Pilot flame is not touching thermocouple.This allows thermocouple
to cool, causing pilot flame to go
out. This problem could be caused
by one or both of the following:
A) Low gas pressure
B) Dirty or partially clogged
ODS/pilot
6. Thermocouple damaged.
7. Control valve damaged.
1 4
1. Replace ignitor.
2. Replace ignitor.
3. Reconnect ignitor cable.
4. Free ignitor cable if pinched by
any
metal or tubing. Keep
ignitor cable dry.
5. Replace ignitor cable.
6. Replace piezo ignitor.
1. Turn on gas supply or open
equipment shutoff valve.
2. Fully press in control knob
while pressing ignitor button.
3. Continue holding down control
knob. Repeat igniting operation
until air is removed.
4. Clean ODS/pilot (see Cleaning and
Maintenance. Page 13 ) or
replace ODS/pilot assembly.
5. Replace gas regulator.
6.Turn control knob to PILOT position.
1. Press in control knob full.
2. After ODS/pilot lights, keep control
knob pressed in 30 second.
3. Fully open equipment shutoff valve.
4. Hand tighten until snug, then
tighten 1/4 turn more.
5. A) Contact local natural gas
company.
B) Clean ODS/pilot (see Cleaning
and Maintenance, Page 13)
or replace ODS/pilot assembly.
6. Replace thermocouple.
7. Replace control valve.
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
OBSERVED PROBLEM
Burner(s)does not light after
ODS/pilot is lit.
REMEDY
1. Burner orifice is clogged.
2. Burner orifice diameter is too small
3. Inlet gas pressure is too low.
Delayed ignition of burner(s).
1. Manifold pressure is too low.
2. Burner orifice is clogged.
Burner backfiring during combustion.
1. Burner orifice
damaged.
is clogged
1. Contact local natural gas company.
2. Clean burner (see Cleaning and
Maintenance, Page 13) or replace
burner orifice.
or
2. Burner is damaged.
3. Gas regulator is defective.
Yellow flame
combustion.
during
Slight smoke or
initial operation.
odor
burner
during
Heater produces a whistling noise
when burner is lit.
1. Clean burner orifice (see Cleaning
and Maintenance , Page 13) or
replace burner orifice.
2. Replace burner orifice.
3. Contact local natural gas company.
1. Not enough air.
1. Clean burner orifice (see Clean
ing and Maintenance, Page 13) or
replace.
2. Replace burner.
3. Replace gas regulator.
2. Gas regulator is defective.
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning
and Maintenance, Page 13).
2. Replace gas regulator.
1. Residues from manufacturing
processes.
1. Problem will stop after a few hours
of operation.
1. Turning control knob to HI position
when burner is cold.
2. Air in gas line.
1. Turn control knob to LO position
and let warm up for a minute.
2. Operate burner until air is removed
from line. Have gas line checked
by local natural gas company.
3. Observe minimumin stallation
clearances (Figure 4, p7).
4. Clean burner (see Cleaning and
maintenance, Page13) or replace
burner orifice.
3. Air passageways on heater are
blocked.
4. Dirty or partially clogged burner
orifice.
Heater produces a clicking/ticking
noise just after burner is lit or
shut off.
1. Metal is expanding while heating or
contracting while cooling.
1. This is common with most
heaters. if noise is excessive,
contact qualified service person
White powder residue forming within
burner box or on adjacent
walls or furniture.
1. When heated the vapors from
furniture polish, wax, carpet
cleaners, etc. turn into white
powder residue.
1. Turn heater off when using
furniture polish, wax, carpet
cleaner, or similar products.
1 5
TROUBLESHOOTING
Continued
WARNING: 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.
IMPORTANT Operating heater where impurities in air exist may create odors. Cleaning
supplies, paint, paint remover, cigaretle smoke, cements and glues, new carpet or
textiles, etc., create fumes. These fumes may mix with combustion air and create odors.
REMEDY
POSSIBLE CAUSE
OBSERVED PROBLEM
Heater produces unwanted odors.
Heater shuts off in use (ODS operates).
1. Heater is burning vapors from
paint, hair spray, glues, etc.
(See IMPORTANT statement
above).
2. Gas leak. See Warning
statement at top of page.
1.
1.
Not enough fresh air is available.
1.
2.
Low line pressure.
3. ODS/pilot is partially clogged.
2.
Ventilate room. Stop using odor
causing products while heater
is running.
Locate and correct all leaks(see
Checking Gas Connections,
Page 10).
Open window and/or door for
ventilation.
2. Contact local natural gas
company.
3. Clean ODS/pilot (see Cleaning
Page 13).
Gas odor even when control knob is
in OFF position.
1. Gas leak. See Warning
Statement at top of page.
2. Control valve defective.
1.
Gas odor exists during combustion.
1.
Foreign matter between control
valve and burner.
2. Gas
leak.
See Warning
Statement at top of page.
1. Take apart gas tubing and
remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connections,
Page 10).
Heater produces a clicking/ticking
noise just after burner is lit or shut off.
1. Metal expanding while heating
or contracting while cooling.
1.
This is common with most
heaters. If noise is excessive,
contact qualified service person.
Moisture/condensation
windows.
1. Not enough combustion/ventilation
air.
1.
Refer to Air for Combustion and
Ventilation requirements (Page
4).
noticed
on
1 6
Locate and correct all leaks(see
Checking Gas Connections,
Page 10).
2. Replace control valve.
SPECIFICATIONS
HB20MN
HB20TN
HB30MN
Btu(available)
10,500/20,000
9,000/20,000
15,000/30,000
Gas Type
Natural Only
Natural Only
Natural Only
Ignition
Piezo
Piezo
Piezo
Pressure Regulator setting
3" W.C.
3" W.C.
3" W.C.
Inlet Gas Pressure *(inches of water)
Maximum
10.5"
10.5"
10.5"
Minimum
4"
4"
4"
Dimensions, Inches (HxWxD)
Heater
23 1/4×19 1/4×8
23 1/4×19 1/4×8
23 1/4×26 3/4×8
Carton
26 1/2×21 3/4×9 1/4 26 1/2×21 3/4×9 1/4 26 1/2×28 1/2×9 1/4
Weight (pounds)
Heater
21
23
26
Shipping
25
27
31
HB30TN
14,000/30,000
Natural Only
Piezo
3" W.C.
10.5"
4"
23 1/4×26 3/4×8
26 1/2×28 1/2×9 1/4
28
33
Note: Dimensions listed are outer most points on the heater (includes control knobs and grill).
* For purposes of input adjustment.
REPLACEMENT PARTS
ACCESSORIES
Note: Use only original replacement
parts. This will protect your warranty
coverage for parts replaced under
warranty.
PARTS UNDER WARRANTY
Contact authorized dealer from
whom you purchased this product.
If they are unable to supply
original replacement part(s), call
the number on the front of this
manual When contacting your
dealer or HearthRite, have ready.
your name
your address
model and serial numbers of
your heater
how heater was malfunctioning
type of gas used (propane/LP or
natural gas)
purchase date
warranty card
Usually, we will ask you to return the
defective part to the factory.
Purchase these heater accessories from your local dealer. If they
can not supply these accessories,
contact HearthRite for information.
You can also write to the address
listed on the front of this manual.
FLOOR MOUNTING STAND
PARTS NOT UNDER
WARRANTY
Contact authorized dealers of this
product. If they can’t supply original
replacement part(s), contact
HearthRite at (800) 851-3153.
Optional FAN Kit
The optional fan kit, part HAB01 fits
all models noted in this manual. The
fan has 3 settings ON/OFF/Auto. The
thermostatically controlled HAB01
improves heater efficiency and includes installation and operating
instructions.
HAB01
For locating heater on the floor,
away from a wall. Complete installation instructions provided with floor
mounting stand.
TECHNICAL SERVICE
A Division of Empire Comfort Systems,Inc.
918 Freeburg Avenue
You may have further questions
about installation, operation, or
troubleshooting. If so, contact
HearthRite at (800) 851-3153.
Belleville,IL 62220
Phone : 618-233-7420 or 1-800-851-3153
Fax : 618-233-7097 or 1-800-443-8648
www.hearthrite.com
1 7
ILLUSTRATED
PARTS BREAKDOWN
THERMOSTAT MODELS
HB20TN HB30TN
1 8
PARTS LIST
THERMOSTAT MODELS
HB20TN HB30TN
This list contains replaceable parts for your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts on page
17 of this manual.
KEY
NO.
HB20TN
PART NO.
HB30TN
PART NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
24_1
24_2
25
26
27
28
29
MB10005E
MB09002E
MB11004E
ML086-02
ML087-02
ML088-02
ML069-02
SIT545-200
845-4.8x60Z
ML111-01
ML083-03
ML073-01
NRV81FI-3
96-4Z
ML079-01
MB40006
MB40022
MB40023
NBB20-000M1
ML101-01
ML091-04
ML103-01
ML104-01
ND1103x800x9
ND0803-8
ND0807-B2
ML105-01
6170-5Z
ML057-09
ML084-02E
ML060-01
MB10002E
MB09001E
MB11002E
ML086-01
ML087-01
ML088-01
ML069-02
SIT545-250
845-4.8x60Z
ML111-01
ML083-03
ML073-01
NRV81FI-3
ML038-01
ML079-01
MB40006
MB40022
MB40023
NBB30-000M1
ML101-01
ML091-02
ML103-01
ML104-01
ND1103x800x9
ND0803-8
ND0807-B2
ML105-01
6170-5Z
ML057-07
ML084-01E
ML060-01
DESCRIPTION
Cabinet Assembly
Lower Front Assembly
Reflector Unit
Glass
Upper Glass retainer
Lower Glass Retainer
Self Tapping Screw
Thermostat Valve Assembly
Screws
Thermosstat Valve Base Assembly
Ignitor Assembly
Ignitor Line
Pressure Regulator
Washer
Self Locking Screw
Main Inlet Tube Assembly
ODS Line Assembly
Burner inlet Tube Assembly
Burner
Burner Connector
Injector
Left Burner Support Bracket
Right Burner Support Bracket
ODS
Thermocouple
Ignitor Electrode
ODS Upper Deflector
NUT
Grill Guard
Middle Panel
Mounting Bracket
QTY
1
1
1
1
2
1
16
1
2
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
PARTS AVAILABLE NOT SHOWN
MB28001
ML070-21E
ML071-01
ML072-01
ML065-01
MB28001
ML070-23E
ML071-01
ML072-01
ML065-01
Hardware Kit
CSA/AGA Label
Gas Instruction Decal
Inside Warning Label
Thermostat Sensing Bulb Clip
1 9
1
1
1
1
2
ILLUSTRATED
PARTS BREAKDOWN
NON-THERMOSTAT MODELS
HB20MN HB30MN
2 0
PARTS LIST
NON-THERMOSTAT
MODELS
HB20MN HB30MN
KEY
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
28-1
28-2
29
30
31
32
33
HB20MN
PART NO.
MB10006E
MB09002E
MB11004E
ML086-02
ML087-02
ML084-02E
ML088-01
ML069-02
NV2020-14
ML073-01
MB16002
ML029-01
NRV81FI-3
96-4Z
ML079-01
MB40016
MB40018
MB40019
MB40020
MB40021
ML096-01
MB40017
NBB20-000M1
ML101-01
ML091-03
ML103-01
ML104-01
ND1103x800x9
ND0803-8
ND0807-B2
ML105-01
6170-5Z
ML057-09
ML083-03
ML060-01
This list contains replaceable parts used in your heater. When ordering parts,
follow the instructions listed under Replacement Parts on page17 of this
manual.
HB30MN
PART NO.
DESCRIPTION
MB10003E
MB09001E
MB11002E
ML086-01
ML087-01
ML084-01E
ML088-01
ML069-02
NV2020-14
ML073-01
MB16002
ML029-01
NRV81FI-3
96-4Z
ML079-01
MB40016
MB40018
MB40019
MB40020
MB40021
ML096-01
MB40017
NBB30-000M1
ML101-01
ML091-01
ML103-01
ML104-01
ND1103x800x9
ND0803-8
ND0807-B2
ML105-01
6170-5Z
ML057-07
ML083-03
ML060-01
Cabinet Assembly
Lower Front Panel Assembly
Reflector Unit
Glass
Upper glass retainer
Middle Panel
Lower Glass Retainer
Self Tapping Screw
Control valve
Ignitor Line
Control Knob Assembly
Control Valve Fixed Nut
Pressure Regulator
Washer
Self Locking Screw
Main Inlet Tube Assembly
ODS Line Assembly
Lower Gas Outline Tube Assembly
Medium Gas Outline Tube Assembly
High Gas Outline Tube Assembly
4-Way Connector
Burner Inlet Tube Assembly
Burner
Burner Connector
Injector
Left Burner Support Bracket
Right Burner Support Bracket
ODS/Pilot Assembly
Thermocouple
Ignitor Electrode
ODS Upper Deflector
NUT
Grill Guard
lgnitor Assembly
Mounting Bracket
QTY
1
1
1
1
1
1
1
16
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
PARTS AVAILABLE NOT SHOWN
MB28001
ML070-15E
ML071-01
ML072-01
MB28001
ML070-17E
ML071-01
ML072-01
Hardware Kit
CSA/AGA Label
Gas Instruction Decal
Inside Warning Label
2 1
1
1
1
1
2 2

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