• Im portan t opera ting
a n d m a i n t e n a n c e
instructions included.
• Rea d , understand
an d f o ll ow th e se
instructions for safe
i n s t a l l a t i o n a n d
operation.
WARNING
If the information in these instructions is not followed exactly, a
re may result causing property
damage, personal injury, or death.
• Do not store or use gasoline or other ammable vapors and liquids in the vicinity of
this or any other appliance.
• Do not over re. Over ring will void your
warranty.
• Comply with all minimum clearances to
combustibles as speci ed. Failure to
comply may cause house re.
NOTICE
DO NOT
DISCARD
• Leave this manual with
party responsible for
use and operation.
WARNING
HOT SURFACES!
Screen/mesh, glass doors
and other surfaces are hot
during operation AND cool
down.
Hot screen/mesh and glass doors will cause burns.
• DO NOT touch screen/mesh or glass doors until
cooled
• NEVER allow children to touch screen/mesh or glass
doors
• Keep children away
• CAREFULLY SUPERVISE children in same room as
replace.
• Ale r t children and adu l t s to hazards of hi g h
temperatures.
High temperatures may ignite clothing or other
ammable materials.
• Ke ep clo thing, furniture, draperies and other
ammable materials away.
Installation and service of this replace
should be performed by quali ed personnel.
Hearth & Home Technologies suggests NFI
certi ed or factory-trained professionals, or
technicians supervised by an
NFI certi ed professional.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
WARNING
Fire Risk
• For use with solid wood fuel or decorative
gas appliance only.
• DO NOT install unvented gas logs.
1
Read this manual before installing or operating this replace.
Please retain this owner’s manual for future reference.
Congratulations!
Congratulations on selecting a Heat & Glo wood burning
replace. The Heatilator replace you have selected is
designed to provide the utmost in safety, reliability and
efciency.
As the owner of a new replace, you’ll want to read and
carefully follow all of the instructions contained in this
owner’s manual. Pay special attention to all cautions and
warnings.
This owner’s manual should be retained for future reference. We suggest you keep it with your other important
documents and product manuals.
The information contained in this owner’s manual unless
noted otherwise, applies to all models and gas control
systems.
Your new Heat & Glo wood burning replace will give you
years of durable use and trouble-free enjoyment. Welcome to the Heat & Glo family of replace products!
Homeowner Reference Information
We recommend that you record the following pertinent
information about your replace:
Model Name: Date purchased/installed:
Serial Number: Location on replace:
Dealership purchased from: Dealer phone:
Notes:
Listing Label Information/Location
The model information regarding your specic replace can be found on the rating plate located on the smoke shield of
the replace.
Serial
Number
Grate
Fireplace
Model
FIREPLACE NO.
FIRECHAMBER INTENDED FOR USE WITH HEARTH & HOME TECHNOLOGIES INC. LISTED FIREPLACE PARTS. SEE INSTALLATION AND
OPERATING INSTRUCTIONS FOR THIS MODEL. ONLY HEARTH & HOME TECHNOLOGIES INC. GLASS DOOR KITS CAN BE INSTALLED ON THIS UNIT.
FIREPLACE ALSO FOR USE
IN MANUFACTURED HOMES
FAN KIT
MODEL NO.
DO NOT OVERFIRE. USE ONLY: SOLID WOOD FUEL OR
LISTED DECORATIVE GAS APPLIANCE. DO NOT USE A
FIREPLACE INSERT OR OTHER PRODUCTS NOT
SPECIFIED FOR USE WITH THIS PRODUCT. IF DOORS
ARE USED OPERATE FIREPLACE WITH DOORS FULLY
OPEN OR CLOSED ONLY. WHEN BURNING A
DECORATIVE GAS APPLIANCE IN THE FIREPLACE,
ADJUST DAMPER TO THE FULLY OPEN POSITION.
WARNING: RISK OF
FIRE DAMAGE. REPLACE
GRATE WITH HEARTH & HOME
TECHNOLOGIES INC.
YES
NO
&
MODEL NO.
CLEARANCE TO
COMBUSTIBLES:
WARNING! THIS FIREPLACE HAS NOT BEEN TESTED WITH AN UNVENTED
GAS LOG SET. TO REDUCE THE RISK OF FIRE OR INJURY, DO NOT
INSTALL AN UNVENTED GAS LOG SET INTO FIREPLACE.
WARNING! THIS APPLIANCE IS NOT FOR USE AS COOKING EQUIPMENT.
IF INSTALLATION OR OPERATING INSTRUCTIONS ARE MISSING
CONTACT: HEARTH & HOME TECHNOLOGIES INC.,
1915 W. SAUNDERS ST., MT. PLEASANT, IA 52641.
CHIMNEY
2 IN. MIN.
RATED AT
115 VOLTS, 50/60 Hz.,
MODEL NO.
FIREBOX
MFG. DATE
AMP.
IN.
MIN.
Note: An arrow ( ) found in the text signies change in content.
2
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
Safety Alert Key:
!
• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE: Indicates practices which may cause damage to the replace or to property.
Table of Contents
Congratulations! 2
Warranty 4
1 Listing and Code Approvals 6
A. Appliance Certication 6
B. Non-Combustible Materials 6
C. Combustible Materials 6
User Guide
2 Operating Instructions 7
A. Your Fireplace 7
B. Seasoned Wood 8
C. Starting a Fire 8
D. Grate 8
E. Firescreen 8
F. Flue Damper 8
G. Refractory 8
H. Glass Doors 9
I. Outside Air (optional) 9
J. Vented Gas Log Sets & Gas Log Lighters 9
K. Optional Components 9
L. Clear Space 9
M. Wood Fuel 10
3 Maintenance and Service 11
A. Disposal of Ashes 11
B. Chimney Inspection/Cleaning 11
C. Check Firebox Refractory 12
D. Inspect Grate 12
E. Glass Cleaning 12
4 Troubleshooting Guide 13
Installer Guide
5 Getting Started 14
A. Typical Fireplace System 14
B. Design and Installation Considerations 15
C. Draft 15
D. Negative Pressure 15
E. Locating Fireplace & Chimney 16
F. Tools and Supplies Needed 17
G. Fireplace System Requirements 17
H. Inspect Fireplace and Components 17
6 Framing & Clearances 18
A. Select Fireplace Location 18
B. Clearances 19
C. Sidewalls/Surrounds 20
D. Frame the Fireplace 20
7 Installation of Fireplace 21
A. Things to Consider 21
B. Position the Fireplace 21
C. Place Protective Metal Hearth Strips 21
D. Level Fireplace 21
E. Install Outside Air Kit 23
8 Chimney Assembly 24
A. Chimney Requirements 25
B. Using Offsets/Returns 26
C. Assemble Chimney Sections 27
D. Install Chimney Air Kit 27
E. Install Ceiling Firestops 28
F. Install Attic Insulation Shield 29
G. Cut out Hole in Roof 30
H. Complete Installation 30
I. Install Flashing 30
J. Chimney Termination Requirements 31
9 Chase Installations 32
A. Construct the Chase 32
B. Install Fireplace & Chimney 33
C. Install Chase Top 33
D. Install Termination Cap 34
10 Shrouds 36
A. Radiation Shield 36
B. Field Constructed Shrouds 36
11 Finishing 38
A. Non-Combustible Materials 38
B. Combustible Materials 38
C. Hearth Extension 38
D. Finishing Material 39
E. Combustible Mantel 40
F. Sidewalls/Surrounds 41
12 Accessories 42
A. Gas Log/Lighter Provision 42
B. Wood Burning Inserts 42
13 Reference Materials 43
A. Fireplace Dimensions 43
B. Optional Components 43
B. Chimney Components 44
D. Service Parts 47
E. Contact Information 48
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
3
Warranty
HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for
Wood
listed
and glass
XXXXXFactory-installed blowers
XMolded refractory panels
XFirepots and burnpots
5 years1 yearXXCastings and baffles
HHT chimney and termination
years
Lifetime
beyond warranty period
3 years
Hearth & Home Technologies Inc.
LIMITED LIFETIME WARRANTY
Hearth & Home Technologies Inc., on behalf of its hearth brands (”HHT”), extends the following warranty for
HHT gas, wood, pellet, coal and electric hearth appliances that are purchased from an HHT authorized dealer.
WARRANTY COVERAGE:
of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance
will be free from defects in materials and workmanship at the time of manufacture. After installation, if covered components manufactured by HHT are found to be defective in materials or workmanship during the applicable warranty period,
HHT will, at its option, repair or replace the covered components. HHT, at its own discretion, may fully discharge all of its
obligations under such warranties by replacing the product itself or refunding the verified purchase price of the product
itself. The maximum amount recoverable under this warranty is limited to the purchase price of the product. This warranty
is subject to conditions, exclusions and limitations as described below.
WARRANTY PERIOD:
Warranty coverage begins on the date of original purchase. In the case of new home construction, warranty coverage
begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent,
authorized HHT dealer/ distributor, whichever occurs earlier. The warranty shall commence no later than 24 months
parts and labor for covered components is produced in the following table.
The term “Limited Lifetime” in the table below is defined as: 20 years from the beginning date of warranty coverage for
gas appliances, and 10 years from the beginning date of warranty coverage for wood, pellet, and coal appliances. These
time periods reflect the minimum expected useful lives of the designated components under normal operating conditions.
Warranty PeriodHHT Manufactured Appliances and Venting
PartsLaborGasWoodPellet
1 Year
2 years
7 years3 yearsXXX
10
Limited
1 yearXBurners, logs and refractory
3 yearsXXXXXFirebox and heat exchanger
XXXXXXX
XXX
EPA
CoalElectric Venting
Components Covered
All parts and material except as
covered by Conditions,
Exclusions, and Limitations
Igniters, electronic components,
Manifold tubes,
90 Days
4
XXXXXXX
See conditions, exclusions, and limitations on next page.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
All replacement parts
WARRANTY CONDITIONS:
• This warranty only covers HHT appliances that are purchased through an HHT authorized dealer or distributor. A list of
HHT authorized dealers is available on the HHT branded websites.
• This warranty is only valid while the HHT appliance remains at the site of original installation.
• Contact your installing dealer for warranty service. If the installing dealer is unable to provide necessary parts, contact
the nearest HHT authorized dealer or supplier. Additional service fees may apply if you are seeking warranty service
from a dealer other than the dealer from whom you originally purchased the product.
• Check with your dealer in advance for any costs to you when arranging a warranty call. Travel and shipping charges
for parts are not covered by this warranty.
WARRANTY EXCLUSIONS:
This warranty does not cover the following:
• Changes in surface finishes as a result of normal use. As a heating appliance, some changes in color of interior and
exterior surface finishes may occur. This is not a flaw and is not covered under warranty.
• Damage to printed, plated, or enameled surfaces caused by fingerprints, accidents, misuse, scratches, melted items,
or other external sources and residues left on the plated surfaces from the use of abrasive cleaners or polishes.
• Repair or replacement of parts that are subject to normal wear and tear during the warranty period. These parts
include: paint, wood, pellet and coal gaskets, firebricks, grates, flame guides, light bulbs, batteries and the discoloration of glass.
• Minor expansion, contraction, or movement of certain parts causing noise. These conditions are normal and complaints related to this noise are not covered by this warranty.
• Damages resulting from: (1) failure to install, operate, or maintain the appliance in accordance with the installation
instructions, operating instructions, and listing agent identification label furnished with the appliance; (2) failure to
install the appliance in accordance with local building codes; (3) shipping or improper handling; (4) improper operation, abuse, misuse, continued operation with damaged, corroded or failed components, accident, or improperly/
incorrectly performed repairs; (5) environmental conditions, inadequate ventilation, negative pressure, or drafting
caused by tightly sealed constructions, insufficient make-up air supply, or handling devices such as exhaust fans or
forced air furnaces or other such causes; (6) use of fuels other than those specified in the operating instructions; (7)
installation or use of components not supplied with the appliance or any other components not expressly authorized
and approved by HHT; (8) modification of the appliance not expressly authorized and approved by HHT in writing;
and/or (9) interruptions or fluctuations of electrical power supply to the appliance.
• Non-HHT venting components, hearth components or other accessories used in conjunction with the appliance.
• Any part of a pre-existing fireplace system in which an insert or a decorative gas appliance is installed.
• HHT’s obligation under this warranty does not extend to the appliance’s capability to heat the desired space. Information is provided to assist the consumer and the dealer in selecting the proper appliance for the application. Consideration must be given to appliance location and configuration, environmental conditions, insulation and air tightness of
the structure.
This warranty is void if:
• The appliance has been over-fired or operated in atmospheres contaminated by chlorine, fluorine, or other damaging
chemicals. Over-firing can be identified by, but not limited to, warped plates or tubes, rust colored cast iron, bubbling,
cracking and discoloration of steel or enamel finishes.
• The appliance is subjected to prolonged periods of dampness or condensation.
• There is any damage to the appliance or other components due to water or weather damage which is the result of, but
not limited to, improper chimney or venting installation.
LIMITATIONS OF LIABILITY:
• The owner’s exclusive remedy and HHT’s sole obligation under this warranty, under any other warranty, express or
implied, or in contract, tort or otherwise, shall be limited to replacement, repair, or refund, as specified above. In no
event will HHT be liable for any incidental or consequential damages caused by defects in the appliance. Some states
do not allow exclusions or limitation of incidental or consequential damages, so these limitations may not apply to you.
This warranty gives you specific rights; you may also have other rights, which vary from state to state. EXCEPT TO
THE EXTENT PROVIDED BY LAW, HHT MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY
SPECIFIED HEREIN. THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE
EXPRESSED WARRANTY SPECIFIED ABOVE.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
5
Listing and Code Approvals
1
A. Appliance Certication
This replace system has been tested and listed in accordance with UL 127 and ULC-S610 standards by Underwriters Laboratories Inc. for installation and operation in
the United States and Canada.
This replace may be installed in sleeping rooms EXCEPT in manufactured homes. If installed with a gas log
set, provisions for the National Fuel Gas Code must be
met.
This replace has been tested and listed for use with the
optional components specied in this manual. These optional components may be purchased separately and installed at a later date. Installation of an outside air kit will
require signicant reconstruction and is best if installed at
the time of replace installation.
Heat & Glo is a registered trademark of Hearth & Home
Technologies Inc.
WARNING! Risk of Fire! Hearth & Home Technologies
disclaims any responsibility for, and the warranty and
agency listing will be voided by the following actions.
DO NOT:
• install or operate damaged replace
• modify replace
• install other than as instructed by Hearth & Home
Technologies
• operate the replace without fully assembling all
components
• overre
• install an unvented gas log set
• install any component not approved by Hearth &
Home Technologies
• install parts or components not Listed or approved
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualied
installer, service agency or your dealer.
B. Non-Combustible Materials
• Materials which will not ignite and burn, composed of
any combination of the following:
- Steel - Iron
- Brick - Tile
- Concrete - Slate
- Glass - Plasters
• Materials reported as passing ASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
C. Combustible Materials
• Materials made of or surfaced with any of the following
materials:
- Wood - Compressed paper
- Plant bers - Plastic
• Any material that can ignite and burn; ame proofed or
not, plastered or un-plastered
NOTICE: This fireplace is tested and approved as a
decorative replace. It should not be factored as a primary
heat source in residential heating calculations.
6
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
User Guide
Operating Instructions
2
WARNING
HOT SURFACES!
Glass and other surfaces are hot during operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other ammable materials.
• Keep clothing, furniture, draperies and other ammable materials away.
If you expect that children may come into contact with this replace, we recommend a barrier such as a decorative
screen. See your dealer for suggestions.
A. Your Fireplace
WARNING! DO NOT operate replace before reading and understanding operating instructions. Failure to operate replace
according to operating instructions could cause re or injury.
Refractory
Section 2.G.
Mantel
Grate
Section 2.D.
Gas Log Set
Wood Fuel
Section 2.M.
Hearth
Gas Log Lighters
(not shown)
Section 2.J.
Firescreen
(not shown)
Section 2.E.
Glass Doors
(not shown)
Section 2.H.
Damper
Handle
open
close
Air Kit
Handle
Figure 2.1 General Operating Parts
Clear Space
Section 2.L.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
open
close
7
B. Seasoned Wood
Properly seasoned wood is important for successful
operation of your replace. Most woodburning replace
problems are caused by burning wet, unseasoned wood.
Seasoned rewood is wood that is cut to size, split and air
dried to a moisture content of around 20%.
Imagine a wooden bucket that weighs about eight
pounds. Fill it with a gallon of water, put it in the replace
and try to burn it. This sounds ridiculous but that is exactly
what you are doing if you burn unseasoned wood.
A tree cut down a year ago and not split is likely to have
almost as high a moisture content now as it did when it
was cut.
Please refer to Section 2.M. for more detail.
C. Starting a Fire
NOTICE: You must establish a good draft to prevent smoke
spillage into the room.
WARNING! Risk of Fire! Keep combustible materials,
gasoline and other ammable vapors and liquids clear of
the replace.
DO NOT:
• store ammable materials close to the replace
• use gasoline, lantern fuel, kerosene, charcoal lighter
uid or similar liquids to start or “freshen up” a re in this
replace.
Keep all ammable liquids well away from the replace while
it is in use. Combustible materials may ignite.
D. Grate
This replace is designed to be used with the grate supplied with this unit or one approved by HHT. The grate will
break down over time and will need occasional replacement.
WARNING! Risk of Fire! Use only the factory-supplied
integral grate.
• Keeps logs in place.
• Allows proper air circulation around the re.
E. Firescreen
The rescreen is provided to control sparks. Keep it
closed when the replace is in use.
WARNING! Risk of Fire or Burns!
• Screen will not prevent burning materials from falling
out.
• Screen pulls or handles may be hot.
F. Flue Damper
• Refer to Figure 2.1 for location of control.
• Must be in fully open position (handle up toward the top
of the replace) during operation of the replace.
• Before lighting the replace, verify fully open position by
looking up from the inside of the replace.
WARNING! Risk of Fire and Asphyxiation! Open
damper prior to operating replace. A closed damper
overres the replace and spills smoke and ames
into the room.
• The rst three or four res should be of moderate size to
allow the oils and binders to be burned from the replace
and the refractory and paint to cure. You may notice
an industrial odor the rst few res. This is considered
normal.
• Use well-seasoned wood.
• Open the ue damper to a fully open position.
• Place crumpled or twisted paper under the replace
grate.
• Loosely arrange kindling or small pieces of wood to form
a ‘tent’ on the replace grate.
• Pre-warm the ue to establish a draft to help reduce
smoke spillage during start-up. Hold a rolled up piece
of burning newspaper under the ue damper for a few
moments.
• Light the crumpled paper to ignite the kindling.
• Add small pieces of wood until a hot bed of embers has
been established.
• Add a minimum of three average size pieces of split
rewood, placed to allow combustion air and ames
between them.
CAUTION! Odors and vapors released during initial
operation may be irritating to sensitive individuals.
Open windows for air circulation.
G. Refractory
• The refractory is supplied to contain heat and provide
an attractive interior.
• It will break down over time and will need occasional
replacement. Small hairline cracks and discoloration are
normal and do not affect its safety.
• (See refractory maintenance Section 3.C.)
WARNING! Risk of Fire! DO NOT burn replace with-
out refractory. Use only refractory supplied by Hearth &
Home Technologies, Inc.
8
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
H. Glass Doors
48 in. (1219 mm)
Clear Space
Front of Fireplace
12 in. (305 mm)
Clear Space
Sides of Fireplace
(from the FP
opening)
• Glass doors are optional.
• Refer to Figure 2.2 for how to properly use them.
WARNING! Risk of Fire! Install ONLY doors ap-
proved by Hearth & Home Technologies, Inc.
WARNING! Risk of Fire and Smoke! Fireplaces
equipped with doors should be operated only with
doors fully open or doors fully closed. If doors are left
partly open, gas and ame may be drawn out of the
replace opening.
INCORRECTCORRECT
J. Vented Gas Log Sets & Gas Log Lighters
• Optional
• Vented gas logs or gas log lighters can be installed in
this replace. Follow the instructions provided with the
accessory for operation.
WARNING! Risk of Fire or Asphyxiation!
• DO NOT install unvented gas logs.
• Damper must be locked open.
• Gas ame may generate fumes.
K. Optional Components
• Other options may be available
• Consult your dealer/distributor
WARNING! Risk of Fire! DO NOT install and or use
any component not approved by Hearth & Home Technologies Inc.
INCORRECTCORRECT
Figure 2.2 Operating Positions of Bi-fold Doors
I. Outside Air (optional)
The outside air kit supplies some combustion air for your
replace. It may help reduce the effects of negative air
pressure. (See Section 5.D.)
• Refer to Figure 2.1 for location of control
• Close the inlet to prevent cold drafts when the replace
is not being used.
L. Clear Space
• Do not place combustible objects within areas indicated
in Figure 2.3.
WARNING! DO NOT place combustible objects in front
of the replace. High temperatures may ignite clothing,
furniture or draperies.
• Mantel - avoid placing candles and other heat-sensitive
objects on mantel or hearth. Heat may damage these
objects.
CAUTION! Risk of Burns! The outside air control
handle is HOT when replace is in operation. Adjust
BEFORE lighting re.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
Figure 2.3 Clear Space
9
M. Wood Fuel
Hardwood vs Softwood
Your replace performance depends on the quality of the
rewood you use.
• Seasoned wood contains about 8,000 BTUs per pound
.
• Hard woods are more dense than soft woods.
• Hard woods contain 60% more BTUs than soft woods.
• Hard woods require more time to season, burn slower
and are harder to ignite.
• Soft woods require less time to dry, burn faster and are
easier to ignite.
• Start the re with soft wood to bring the replace up to
operating temperature and to establish draft.
• Add hard wood for slow, even heat and longer burn
time.
Soft woods Hard woods
• Douglas Fir • Oak
• Pine • Maple
• Spruce • Apple
• Cedar • Birch
• Poplar
• Aspen
• Alder
Moisture
WARNING! Risk of Fire!
• DO NOT burn wet or green wood.
• Wet, unseasoned wood can cause accumulation of
creosote.
The majority of the problems replace owners experience
are caused by trying to burn wet, unseasoned wood.
• Wet, unseasoned wood requires energy to evaporate
the water instead of heating your home, and
• Evaporating moisture cools your chimney, accelerating
formation of creosote.
Seasoned Wood
• Cut logs to size
• Split to 6 in. (152 mm) or less
• Air dry to a moisture content of around 20%
- Soft wood - about nine months
- Hard wood - about eighteen months
NOTICE: Seasoning time may vary depending on drying
conditions.
Storing Wood
Steps to ensure properly seasoned wood:
• Stack wood to allow air to circulate freely around and
through woodpile.
• Elevate wood pile off ground to allow air circulation
underneath.
• Smaller pieces of wood dry faster. Any piece over 6 in.
(152 mm) in diameter should be split.
• Wood (whole or split) should be stacked so both ends
of each peice are exposed to air. More drying occurs
through the cut ends than the sides.
• Store wood under cover to prevent water absorbtion
from rain or snow. Avoid covering the sides and ends
completely.
WARNING! Fire Risk! DO NOT store wood:
• In front of the replace.
• In space required for loading or ash removal.
Processed Solid Fuel Firelogs
Manufactured relogs may be used with this replace.
Hearth & Home Technologies Inc. recommends the use of
UL Classied processed fuel relogs. Follow the manufacturer’s lighting and safety instructions.
Using relogs may require more frequent chimney inspection and cleaning.
Do not poke or stir the logs while they are burning. Use
only relogs that have been evaluated for the application
in manufactured replaces and refer to relog warnings
and caution markings on packaging prior to use.
10
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
Maintenance and Service
3
A. Disposal of Ashes
Frequency: When they reach bottom of grate
By: Homeowner
WARNING! Risk of Fire! Ashes could contain hot embers.
• Place ashes in a metal container with a tight-tting lid.
• The closed container should be placed on a noncombustible oor or on the ground, well away from all
combustible materials, pending nal disposal.
• If the ashes are disposed of by burial in soil or otherwise
locally dispersed, they should be retained in the closed
container until all cinders have thoroughly cooled.
B. Chimney Inspection/Cleaning
Frequency: At least twice a year during heating season
or as recommended by a certied chimney sweep
By: Certied chimney sweep
WARNING! Risk of Fire! Ignited creosote is extremely
HOT. Prevent creosote buildup.
Refer to Figure 3.1 to remove/reinstall termination caps.
Creosote - Formation and Need for Removal
When wood is burned slowly, it produces tar and other
organic vapors, which combine with expelled moisture to
form creosote. The creosote vapors condense in the relatively cool chimney ue of a slow-burning re. As a result,
creosote residue accumulates on the ue lining. When
ignited this creosote makes an extremely hot re.
WARNING! Risk of Fire! A chimney re can permanently
damage your chimney system and nearby structures.
In the event of a chimney re, Hearth & Home Technologies Inc. recommends
• replacement of the chimney, and
• inspection of the adjacent structure to the provisions of
NFPA Level III inspection criteria.
The chimney shall be inspected at least twice a year
during the heating season to determine when a creosote
buildup has occurred.
When creosote has accumulated it shall be removed to
reduce the risk of a chimney re.
Remove screws,
lift top cover.
Top Cover
Cap
Chimney
TR344/TR342
Round
Termination Cap
Figure 3.1 Chimney & Termination Cap Cleaning
Cap
Slip
Section
Remove 4 screws
and lift top pan off.
ST375
Square
Termination Cap
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
1. Remove the 4 screws.
2. Remove the screen.
3. Remove the baffle.
Cap
Chase
TS345/TS345P
Square
Termination Caps
Remove 2 screws from
the front and back and
lift the top off.
TCT375
Terra Cotta
Termination Cap
SCREW
1. Remove (8) screws
2. Lift Top off
TOP
DT SERIES
TOP
SCREW
11
C. Check Firebox Refractory
Frequency: After each ash removal
By: Homeowner
WARNING! Risk of Fire! Inspect replace refractory.
Crumbling, deteriorated refractory can allow overheating
of surrounding materials.
Expansion and contraction will cause minor cracking of
the refractory. This is normal. The refractory will require
periodic replacement depending on use.
The panels should be replaced if
• Cracks exceed ¼ inch (6 mm) in width,
• Metal is exposed behind the refractory,
• Large pieces of refractory fall out.
D. Inspect Grate
Frequency: After each ash removal
By: Homeowner
Inspect grate for:
• Warping or sagging 1-1/2 in. (38 mm) or more
• Broken welds
• Burn-through of grate bars
For safe operation, replace only with an approved grate
from Hearth & Homes Technologies Inc.
E. Glass Cleaning
Frequency: As desired
By: Homeowner
CAUTION! Handle glass assembly with care. Glass is
breakable.
• Avoid striking, scratching or slamming glass
• Avoid abrasive cleaners
• DO NOT clean glass while it is hot
Clean glass with a non-abrasive commercially available
cleaner or ashes:
• Light deposits
- Use household glass cleaner
• Heavy deposits
- Use wood ash on damp cloth or,
- Use commercial replace glass cleaner (consult with
your dealer)
12
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
Troubleshooting Guide
4
Start Fire ProblemsPossible CauseSolution
Can’t get re started
Excessive smoke or spillage
Burns too slowly
Smolders, sizzles
Not enough kindling/paper or no
kindling/paper
Damper closed/not fully openOpen damper.
Not enough air for re to igniteCheck for restricted cap/shroud.
Wood condition is too wet, too
large
Use dry kindling, more paper. Arrange kindling &
wood for air movement.
Open air kit (if installed).
Check for ue blockage.
Pre-warm ue before starting re (refer to starting
re section).
Check for adequate vent height (refer to chimney
assembly section).
Open window below the replace towards the
wind.
Use dry, seasoned wood (refer to wood fuel
section).
Bed of coals not established
before adding wood
Flue blockage such as birds’
nests or leaves in termination
cap
Down draft or negative pressure
Competition with exhaust
devices
Fire burns too fastExtremely dry or soft woodMix in hardwood.
No glass doorsAdd glass doors to slow down air ow.
OverdraftingCheck for correct vent height; too much vertical
Start with paper & kindling to establish bed of
coals (refer to starting re section).
Have chimney inspected for creosote and cleaned
by a certied chimney sweep.
Do not use exhaust fans during start-up (refer to
negative pressure section).
Open window below the replace towards the
wind.
Mix in less seasoned wood after re is established
(refer to wood fuel section).
height creates overdrafting.
Check location of vent termination (refer to
chimney assembly section).
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
13
Installer Guide
Place unit, then outline and fill with white. Move behind the unit and group/ Delete this note.
Getting Started
5
A. Typical Fireplace System
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
(Section 8)
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Support straps
on rafter support
chimney (not shown)
NOTICE:
• Illustrations and photos reflect typical installations
and are for design purposes only.
• Illustrations/diagrams are not drawn to scale.
• Actual product may vary from pictures in manual.
Termination cap
(Section 8 & 9)
Storm Collar
(Section 8)
Chimney penetrates roof
preferably without affecting
roof rafters (Section 9)
Offset & Return (with hanger straps)
(Section 8)
Ceiling firestop
on floor of attic
(Section 8)
Chimney system
(Section 8)
Combustible framing/header
on top of V-shaped standoffs
(Section 6)
Chimney Air Kit
(Section 8)
Required in
Canada. Outlet
must be no
less than 6 ft.
(1.83m) off
ground level.
Outside
combustion air
(Section 7)
Protective metal
hearth strip(s)
(Section 7)
Attic insulation shield (not shown)
must be used here to keep
insulation away from chimney
if attic is insulated (Section 8)
Framing headed off
in ceiling joists
(Section 8)
Enclosed space above
and around fireplace
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(Section 6)
Mantel and surround
(Section 11)
Decorative facing
and trim
(Section 11)
Hearth extension
(Section 11)
Factory-built fireplace
Figure 5.1 Typical Fireplace System
14
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
D. Negative PressureB. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
• Installation MUST comply with local, regional, state and
national codes and regulations.
• Consult insurance carrier, local building inspector, re
ofcials or authorities having jurisdiction over restrictions,
installation inspection and permits.
Before installing, determine the following:
• Where the replace is to be installed
• The vent system conguration to be used
• Gas supply piping
• Electrical wiring
• Framing and nishing details
• Whether optional accessories—devices such as a fan,
wall switch or remote control —are desired
NOTICE: Junction box should be installed during initial
setup to avoid major reconstruction.
C. Draft
Draft is the pressure difference needed to vent replaces
successfully. When a replace is drafting successfully, all
combustion byproducts are exiting the home through the
chimney.
Considerations for successful draft include:
• Preventing negative pressure
• Location of replace and chimney
NOTICE: Hearth & Home Technologies assumes no
responsibility for the improper performance of the replace
system caused by:
• Inadequate draft due to environmental conditions
• Downdrafts
• Tight sealing construction of the structure
• Mechanical exhausting devices
• Improper location of the chimney
WARNING! Risk of Asphyxiation! Negative pressure
can cause spillage of combustion fumes and soot. Fire
must draft properly for safe operation.
Negative pressure results from the imbalance of air available for the replace to operate properly. It can be strongest in lower levels of the house.
Causes include:
• Exhaust fans (kitchen, bath, etc.)
• Range hoods
• Combustion air requirements for furnaces, water heaters
and other combustion appliances
• Clothes dryers
• Locat i o n of retur n - air ven t s to fu rnac e o r a i r
conditioning
• Imbalances of the HVAC air handling system
• Upper level air leaks such as:
- Recessed lighting
- Attic hatch
- Duct leaks
To minimize the effects of negative air pressure:
• Install the outside air kit with the intake facing prevailing
winds during the heating season
• Ensure adequate outd oor air for all combustion
appliances and exhaust equipment
• Ensure furnace and air conditioning return vents are not
located in the immediate vicinity of the replace
• Avoid installing the replace near doors, walkways or
small isolated spaces
• Recessed lighting should be a “sealed can” design
• Attic hatches weather stripped or sealed
• Attic mounted duct work and air handler joints and seams
taped or sealed
• Basement installations should be avoided
NOTICE: Hearth & Home Technologies Inc. recommends
the use of direct vent replaces in basements.
Heat & Glo • HST-42D • 27177 • Rev AG • 7/12
15
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