• Important operating
and maintenance
instructions included.
WARNING: If the information in these
instructions is not followed exactly, a fi re
or explosion may result causing property
damage, personal injury, or death.
• DO NOT store or use gasoline or other fl am-
mable 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 fi re department.
• Installation and service must be performed
by a qualifi ed installer, service agency , or the
gas supplier.
This appliance may be installed as an OEM installation in
manufactured home (USA only) or mobile home and must be
installed in accordance with the manufacturer’s instructions
and the manufactured home construction and safety standard,
Title 24 CFR, Part 3280 or Standard for Installation in Mobile
Homes, CAN/CSA Z240MH, in Canada.
This appliance is only for use with the type(s) of gas indicated
on the rating plate.
• Read, understand and follow
these instructions for safe
installation and operation.
DO NOT
DISCARD
• Leave this manual with
party responsible for use
and operation.
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
fi replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other fl ammable
materials.
• Keep clothing, furniture, draperies and other fl ammable
materials away.
This appliance has been supplied with an integral barrier
to prevent direct contact with the fi xed glass panel. DO
NOT operate the appliance with the barrier removed.
Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.
In the Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fi tter.
See Table of Contents for location of additional Commonwealth
of Massachusetts requirements.
Installation and service of this appliance should be
performed by qualifi ed personnel. Hearth & Home
Technologies suggests NFI certifi ed or factory trained
professionals, or technicians supervised by an NFI
certifi ed professional.
1Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
Read this manual before installing or operating this appliance.
Not Not for for use use with with solid solid fuel.fuel.
((Ne Ne doit doit pas pas entre entre utilise utilise avec avec un un combustible combustible solide).solide).
This This appliance appliance must must be be installed installed in in accordance accordance with with local local codes, codes, if if any; any; if if not, not, follow follow ANSI ANSI Z223.1Z223.1
in in the the USA USA or or CAN/CGA CAN/CG A B149 B149 installation installation codes. codes. (Installer (Installer l’appareil l’appareil selon selon les les codes codes ou ou reglementsreglements
locaux locaux ou, ou, en en l’absence l’absence de de tels tels reglements, reglements, selon selon les les codes codes d’installation d’installation CAN/CGA-B149.)CAN/CGA-B149.)
Type Type o f of Gas Gas (Sorte (Sorte De De Gaz)Gaz)::
NNAATURALTURAL GASGAS
MADE MADE IN IN USAUSA
Minimum Minimum Permissible Permissible Gas Gas Supply Supply for for Purposes Purposes of of Input Input Adjustment.Adjustment.
Approved Approved Minimum Minimum (De (De Gaz) Gaz) AcceptableAcceptable 0.00.0 in in w.c.w.c.(Po. (Po. Col. Col. d’eau)d’eau)
Maximum Maximum Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c.(Po. (Po. Col. Col. d’eau)d’eau)
Maximum Maximum Manifold Manifold Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c.(Po. (Po. Col. Col. d’eau)d’eau)
Minimum Minimum Manifold Manifold Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c.(Po. (Po. Col. Col. d’eau)d’eau)
IN IN CANADACANADA
ALTITUDE:ALTITUDE:0-0000 0-0000 FT.FT. 0000-0000FT.0000-0000FT.
MAX. MAX. INPUT INPUT BTUH:BTUH: 00,00000,00000,00000,000
MIN. MIN. INPUT INPUT BTUH:BTUH:00,00000,00000,00000,000
ORIFICE ORIFICE SIZE:SIZE:#XXXXX#XXXXX#XXXXX#XXXXX
XXXXXXXXXXXXXXXX
Total Total Electrical Electrical Requirements: Requirements: 000Vac, 000Vac, 00Hz., 00Hz., less less than than 00 00 AmperesAmperes
Heat & Glo, a brand of Hearth & Home Technologies, Inc.
7571 215th Street West, Lakeville, MN 55044
Please retain this owner’s manual for future reference.
A. Congratulations
Congratulations on selecting a Heatilator gas fi replace, an
elegant and clean alternative to wood burning fi replaces.
The Heatilator gas fi replace you have selected is designed
to provide the utmost in safety, reliability, and effi ciency.
This owner’s manual should be retained for future
reference. We suggest that 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.
As the owner of a new fi 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.
Homeowner Reference Information
Your new Heatilator gas fi replace will give you years of
durable use and trouble-free enjoyment. Welcome to the
Heatilator family of fi replace products!
We recommend that you record the following pertinent
information about your fi replace.
Model Name: ___________________________________________ Date purchased/installed: __________________
Serial Number: __________________________________________ Location on fi replace: _____________________
Dealership purchased from: _______________________________ Dealer Phone: __________________________
Notes: _______________________________________________________________________________________
_____________________________________________________________________________________________
Listing Label Information/Location
Type of Gas
Gas and Electric
Information
The model information regarding your specifi c fi replace can be found on
the rating plate usually located in the control area of the fi replace.
Model Number
Serial Number
Heatilator • GDST3831I • 2127-900 Rev. K • 7/122
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: Used to address practices not related to personal injury.
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:
HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership
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
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for
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
3 years
ears1 yearXXCastings and baffles
5
7 years3 yearsXXX
10
ears
Limited
Lifetime
1 yearXBurners, logs and refractory
3 yearsXXXXXFirebox and heat exchanger
XXXXXXX
XXX
XXXXXFactor
XMolded refractor
XFire
EPA
Wood
CoalElectric Venting
Components Covered
All parts and material except as
covered by Conditions,
Exclusions, and Limitations
listed
Igniters, electronic components,
lass
and
-installed blowers
ots and burnpots
Manifold tubes,
HHT chimne
and termination
anels
90 Days
4021-645C 12-29-10 Page 1 of 2
XXXXXXX
See conditions, exclusions, and limitations on next page.
MODELS: GDST3831I
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Gas Appliance Heater
STANDARD: ANSI Z21.88-2007 • CSA 2.33a-2007
This product is listed to ANSI standards for “Vented Gas
Appliance Heaters” and applicable sections of “Gas Burning Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
NOT INTENDED FOR USE AS A PRIMAR Y HEAT SOURCE.
This appliance is tested and approved as either supplemental room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
C. BTU Specifi cations
Models
(U.S. or Canada)
GDST3831I (NG)
GDST3831I (LP)
US
(0-2000 FT)
CANADA
(2000-4500 FT)
US
(0-2000 FT)
CANADA
(2000-4500 FT)
Maximum
Input
BTU/h
21,00014,70044
18,90013,20045
20,00055
18,00056
Minimum
Input
BTU/h
Orifi ce
Size
(DMS)
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Check with your local gas utility to determine proper orifi ce
size.
B. Tempered Glass Specifi cations
Hearth & Home Technologies appliances manufactured
with tempered glass may be installed in hazardous locations such as bathtub enclosures as defi ned by the Con-
sumer Product Safety Commission (CPSC). The tempered
glass has been tested and certifi ed to the requirements
of ANSI Z97.1 and CPSC 16 CFR 1202 (Safety Glazing
Certifi cation Council SGCC# 1595 and 1597. Architectur-
al Testing, Inc. Reports 02-31919.01 and 02-31917.01).
This statement is in compliance with CPSC 16 CFR Sec-tion 1201.5 “Certifi cation and labeling requirements”
which refers to 15 U.S. Code (USC) 2063 stating “…Such
certifi cate shall accompany the product or shall otherwise
be furnished to any distributor or retailer to whom the
product is delivered.”
Some local building codes require the use of tempered
glass with permanent marking in such locations. Glass
meeting this requirement is available from the factory.
Please contact your dealer or distributor to order.
E. Non-Combustible Materials Specifi cation
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750 ºC and UL763 shall be
considered non-combustible materials.
F. Combustible Materials Specifi cation
Materials made of or surfaced with wood, compressed paper, plant fi bers, plastics, or other material that can ignite
and burn, whether fl ame proofed or not, or plastered or
unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE: This appliance must be electrically wired and
grounded in accordance with local codes or, in the absence
of local codes, with National Electric Code ANSI/NFPA
70-latest edition or the Canadian Electric Code CSA
C22.1.
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in compliance
with the applicable electrical codes, when it is installed in
locations such as in bathrooms or near sinks.
7Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
Note: The following requirements reference various
Massachuset ts and national codes not contain ed in this
document.
H. Requirements for the Commonwealth of
Massachusetts
For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in
whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where the
side wall exhaust vent termination is less than seven (7)
feet above fi nished grade in the area of the venting, in-
cluding but not limited to decks and porches, the following
requirements shall be satisfi ed:
Installation of Carbon Monoxide Detectors
At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gas fi tter
shall observe that a hard wired carbon monoxide detector
with an alarm and battery back-up is installed on the fl oor
level where the gas equipment is to be installed. In addition, the installing plumber or gas fi tter shall observe that
a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of
the dwelling, building or structure served by the side wall
horizontal vented gas fueled equipment. It shall be the
responsibility of the property owner to secure the services
of qualifi ed licensed professionals for the installation of
hard wired carbon monoxide detectors.
In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic,
the hard wired carbon monoxide detector with alarm and
battery back-up may be installed on the next adjacent
fl oor level.
In the event that the requirements of this subdivision can
not be met at the time of completion of installation, the
owner shall have a period of thirty (30) days to comply
with the above requirements; provided, however, that during said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
Inspection
The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the
installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed
in accordance with the provisions of 248 CMR 5.08(2)(a)1
through 4.
Exemptions
The following equipment is exempt from 248 CMR
5.08(2)(a)1 through 4:
• The equipment listed in Chapter 10 entitled “Equipment
Not Required To Be Vented” in the most current edition
of NFPA 54 as adopted by the Board; and
• Product Approved side wall horizontally vented gas fu-
eled equipment installed in a room or structure separate
from the dwelling, building or structure used in whole or
in part for residential purposes.
MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided
When the manufacturer of Product Approved side wall
horizontally vented gas equipment provides a venting
system design or venting system components with the
equipment, the instructions provided by the manufacturer
for installation of the equipment and the venting system
shall include:
• Detailed instructions for the installation of the venting
system design or the venting system components; and
• A complete parts list for the venting system design or
venting system.
Gas Equipment Venting System NOT Provided
When the manufacturer of a Product Approved side wall
horizontally vented gas fueled equipment does not provide the parts for venting the fl ue gases, but identifi es
“special venting systems”, the following requirements
shall be satisfi ed by the manufacturer:
Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA
720 and be ANSI/UL 2034 listed and IAS certifi ed.
Signage
A metal or plastic identifi cation plate shall be permanent-
ly mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with the
exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The sign shall read,
in print size no less than one-half (1/2) inch in size, “GAS
VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
Heatilator • GDST3831I • 2127-900 Rev. K • 7/128
• The referenced “special venting system” instructions
shall be included with the appliance or equipment installation instructions; and
• The “special venting systems” shall be Product Ap-
proved by the Board, and the instructions for that system shall include a parts list and detailed installation
instructions.
A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting
instructions, and/or all venting design instructions shall
remain with the appliance or equipment at the completion
of the installation.
See Gas Connection section for additional Commonwealth of Massachusetts requirements.
2
2
Operating Instructions
User Guide
A. Gas Fireplace Safety
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
fi replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other
fl ammable materials.
• Keep clothing, furniture, draperies and other fl ammable
materials away.
This appliance has been supplied with an integral barrier
to prevent direct contact with the fi xed glass panel. DO
NOT operate the appliance with the barrier removed.
Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.
If you expect that small children or vulnerable adults may
come into contact with this fi replace, the following precau-
tions are recommended:
• Install a physical barrier such as:
- A decorative fi rescreen.
- Adjustable safety gate.
• Install a switch lock or a wall/remote control with child
protection lockout feature.
• Keep remote controls out of reach of children.
• Never leave children alone near a hot fi replace, whether
operating or cooling down.
• Teach children to NEVER touch the fi replace.
• Consider not using the fi replace when children will be
present.
Contact your dealer for more information, or visit:www.
hpba.org/safety-information.
T o prevent unintended operation when not using your fi re-
place for an extended period of time (summer months,
vacations, trips, etc):
• Remove batteries from remote controls.
• Turn off wall controls.
• Unplug 3 volt adapter plug and remove batteries on IPI
models.
B. Your Fireplace
WARNING! DO NOT operate fi replace before read-
ing and understanding operating instructions. Failure
to operate fi replace according to operating instructions
could cause fi re or injury.
Figure 2.1 General Operating Parts
DECORATIVE DOORS
(NOT SHOWN)
SECTION 2.E.
CLEAR SPACE
SECTION 2.D.
FIXED GLASS ASSEMBLY
SECTION 14.G.
HEARTH
MANTEL
9Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
C. Fan Kit (optional)
If desired, a fan kit may be added. Contact your dealer to
order the correct fan kit.
D. Clear Space
WARNING! DO NOT place combustible objects in front
of the fi replace or block louvers. High temperatures may
start a fi re. See Figure 2.2.
A void placing candles and other heat-sensitive objects on
mantel or hearth. Heat may damage these objects.
3 FT. IN FRONT OF FIREPLACE
CLEAR SPACE
Figure 2.2 Clear Space
F. Fixed Glass Assembly
See Section 14.G.
G. Remote Controls, Wall Controls and Wall
Switches
Follow the instructions supplied with the control installed
to operate your fi replace:
For safety:
• Install a switch lock or a wall/remote control with child
protection lockout feature.
• Keep remote controls out of reach of children.
See your dealer if you have questions.
H. Before Lighting Fireplace
Before operating this fi replace for the fi rst time, have a
qualifi ed service technician:
• Verify all shipping materials have been removed from
inside and/or underneath the fi rebox.
• Review proper placement of logs, ember material and/or
other decorative materials.
• Check the wiring.
• Check the air shutter adjustment.
• Ensure that there are no gas leaks.
• Ensure that the glass is sealed and in the proper position
and that the integral barrier is in place.
WARNING! Risk of Fire or Asphyxiation! DO NOT operate fi replace with fi xed glass assembly removed.
E. Decorative Doors and Fronts
WARNING! Risk of Fire! Install ONLY doors or fronts
approved by Hearth & Home Technologies. Unapproved
doors or fronts may cause fi replace to overheat.
This fireplace has been supplied with an integral
barrier to prevent direct contact with the fi xed glass
panel. DO NOT operate the fi replace with the barrier
removed.
Contact your dealer or Hearth & Home Technologies if
the barrier is not present or help is needed to properly
install one.
For more information refer to the instructions supplied with
your decorative door or front.
Heatilator • GDST3831I • 2127-900 Rev. K • 7/1210
I. Lighting Instructions (IPI)
The IPI system may be operated with two D-cell batteries. When using batteries, unplug the transformer. To prolong battery
life, remove them when using the transformer.
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: If you do not follow these instructions exactly, a fi re or explosion
may result causing property damage, personal injury or loss of life.
A. This appliance is equipped with an
intermittent pilot ignition (IPI) device
which automatically lights the burner. DO NOT try to light the burner by
hand.
B.BEFORE LIGHTING, smell all around
the appliance area for gas. Be sure to
smell next to the fl oor because some
gas is heavier than air and will settle
on the fl oor.
WHA T 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.
WARNING:
DO NOT CONNECT LINE VOLTAGE (110/120 VAC OR 220/240
V AC) TO THE CONTROL VALVE.
Improper installation, adjustment, alteration, service or maintenance can
cause injury or property damage. Refer to the owner’s information manual
provided with this appliance.
This appliance needs fresh air for
safe operation and must be installed
so there are provisions for adequate
combustion and ventilation air.
If not installed, operated, and maintained in accordance with the manufacturer’s instructions, this product could
expose you to substances in fuel or
fuel combustion which are known to
the State of California to cause cancer, birth defects, or other reproductive
harm.
Keep burner and control compartment
clean. See installation and operating
instructions accompanying appliance.
For additional information on operating your
Hearth & Home Technologies fi replace, please refer to www.fi replaces.com.
• 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 fi re department.
C. DO NOT use this appliance if any
part has been under water. Immediately call a qualifi ed service tech-
nician to inspect the appliance and
to replace any part of the control
system and any gas control which
has been under water.
CAUTION:
Hot while in operation. DO NOT touch.
Keep children, clothing, furniture, gasoline and other liquids having fl ammable
vapors away.
DO NOT operate the appliance with
fi xed glass assembly removed, cracked
or broken. Replacement of the fi xed
glass assembly should be done by a
licensed or qualifi ed service person.
NOT FOR USE
WITH SOLID FUEL
For use with natural gas and propane.
A conversion kit, as supplied by the
manufacturer, shall be used to convert
this appliance to the alternate fuel.
Also Certifi ed for Installation in a
Bedroom or a Bedsitting Room.
For assistance or additional information, consult a qualifi ed installer, ser-
vice agency or the gas supplier.
LIGHTING
INSTRUCTIONS (IPI)
1. This appliance is equipped with an ignition
device which automatically lights the burner.
DO NOT try to light the burner by hand.
GAS
VALVE
2. Wait fi ve (5) minutes to clear out any gas.
Then smell for gas, including near the fl oor. If
you smell gas, STOP! Follow “B” in the Safety
Information located on the left side of this label. If you do not smell gas, go to next step.
3. To light the burner:
Equipped with wall switch: Turn ON/OFF switch
to ON.
Equipped with remote or wall control: Press
ON or FLAME button.
Equipped with thermostat: Set temperature to
desired setting.
4. If the appliance does not light after three tries,
call your service technician or gas supplier.
TO TURN OFF
GAS TO APPLIANCE
1. Equipped with wall switch: Turn ON/OFF switch
to OFF.
Equipped with remote or wall control: Press
OFF button.
Equipped with thermostat: Set temperature to
lowest setting.
2. Service technician should turn off electric
power to the control when performing service.
593-913G
Final inspection by
11Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
J. After Fireplace is Lit
Initial Break-in Procedure
• The fireplace should be run three to four hours
continuously on high.
• Turn the fi replace off and allow it to completely cool.
• Remove fi xed glass assembly. See Section 14.G.
• Clean fi xed glass assembly. See Section 3.
• Replace the fi xed glass assembly and run continuously
on high an additional 12 hours.
This cures the materials used to manufacture the fi re-
place.
NOTICE! Open windows for air circulation during fi re-
place break-in.
• Some people may be sensitive to smoke and odors.
• Smoke detectors may activate.
K. Frequently Asked Questions
ISSUESOLUTIONS
Condensation on the glass
Blue fl ames
Odor from fi replace
Film on the glass
Metallic noise
This is a result of gas combustion and temperature variations. As the fi replace warms, this
condensation will disappear.
This is a result of normal operation and the fl ames will begin to yellow as the fi replace is al-
lowed to burn for 20 to 40 minutes.
When fi rst operated, this fi replace may release an odor for the fi rst several hours. This is
caused by the curing of materials from manufacturing. Odor may also be released from
fi nishing materials and adhesives used near the fi replace. These circumstances may require
additional curing related to the installation environment.
This is a normal result of the curing process of the paint and logs. Glass should be cleaned
within 3 to 4 hours of initial burning. A non-abrasive cleaner such as gas fi replace glass
cleaner may be necessary. See your dealer.
Noise is caused by metal expanding and contracting as it heats up and cools down, similar to
the sound produced by a furnace or heating duct. This noise does not affect the operation or
longevity of the fi replace.
Heatilator • GDST3831I • 2127-900 Rev. K • 7/1212
3
3
Maintenance and Service
Any safety screen or guard removed for servicing must be
replaced prior to operating the fi replace.
When properly maintained, your fi replace will give you
many years of trouble-free service. We recommend annual service by a qualifi ed service technician.
A. Maintenance Tasks-Homeowner
Installation and repair should be done by a qualifi ed service
technician only. The fi replace should be inspected before
use and at least annually by a professional service person.
The following tasks may be performed annually by the
homeowner. If you are uncomfortable performing any of
the listed tasks, please call your dealer for a service appointment.
More frequent cleaning may be required due to lint from
carpeting or other factors. Control compartment, burner
and circulating air passageway of the fi replace must be
kept clean.
CAUTION! Risk of Burns! The fi replace should be turned
off and cooled before servicing.
• Inspect venting and termination cap for blockage or
obstruction such plants, bird nests, leaves, snow, debris,
etc.
• Verify termination cap clearance to subsequent construction (building additions, decks, fences, or sheds). See
Section 6.
• Inspect for corrosion or separation.
• Verify weather stripping, sealing and fl ashing remains
intact.
• Inspect draft shield to verify it is not damaged or missing.
B. Maintenance Tasks-Qualifi ed Service
Technician
The following tasks must be performed by a qualifi ed ser-
vice technician.
Gasket Seal and Glass Assembly Inspection
Frequency: Annually
By: Qualifi ed Service Technician
T ools needed: Protective gloves, drop cloth and a stable
work surface.
• Inspect gasket seal and its condition.
• Inspect fi xed glass assembly for scratches and nicks that
can lead to breakage when exposed to heat.
• Confi rm there is no damage to glass or glass frame.
Replace as necessary.
• Verify that fi xed glass assembly is properly retained and
attachment components are intact and not damaged.
Replace as necessary.
Logs
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves.
• Inspect for damaged or missing logs. Replace as necessary.
Refer to Section 14 for log placement instructions.
• Verify correct log placement and no fl ame impingement
causing sooting. Correct as necessary.
Firebox
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, sandpaper, steel wool,
cloths, mineral spirits, primer and touch-up paint.
• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.
• Replace fi replace if fi rebox has been perforated.
Control Compartment and Firebox Top
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, vacuum cleaner, dust
cloths
• V acuum and wipe out dust, cobwebs, debris or pet hair.
Use caution when cleaning these areas. Screw tips that
have penetrated the sheet metal are sharp and should
be avoided.
• Remove all foreign objects.
• Verify unobstructed air circulation.
Heatilator • GDST3831I • 2127-900 Rev. K • 7/1214
Burner Ignition and Operation
Frequency: Annually
By: Qualifi ed Service Technician
T ools needed: Protective gloves, vacuum cleaner, whisk
broom, fl ashlight, voltmeter, indexed drill bit set, and a
manometer.
• Verify burner is properly secured and aligned with pilot
or igniter.
• Clean off burner top, inspect for plugged ports, corrosion
or deterioration. Replace burner if necessary.
• Replace ember materials with new dime-size pieces.
DO NOT block ports or obstruct lighting paths. Refer to
Section 14 for proper ember placement.
• Verify batteries have been removed from battery backup IPI systems to prevent premature battery failure or
leaking.
• Check for smooth lighting and ignition carryover to all
ports. Verify that there is no ignition delay.
• Inspect for lifting or other fl ame problems.
• Verify air shutter setting is correct. See Section 14 for
required air shutter setting. Verify air shutter is clear of
dust and debris.
• Inspect orifi ce for soot, dirt and corrosion. Verify orifi ce
size is correct. See Service Parts List for proper orifi ce
sizing.
• Verify manifold and inlet pressures. Adjust regulator as
required.
• Inspect pilot fl ame pattern and strength. See Figure 3.2
for proper pilot fl ame pattern. Clean or replace orifi ce
spud as necessary.
• Inspect IPI fl ame sensing rod for soot, corrosion and
deterioration. Polish with fi ne steel wool or replace as
required.
• Verify that there is not a short in fl ame sense circuit by
checking continuity between pilot hood and fl ame sense
rod. Replace pilot as necessary.
Figure 3.2 IPI Pilot Flame Patterns
15Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
4
4
A. Typical Appliance System
NOTICE: Illustrations and photos refl ect typical installations and are for design purposes only . Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual
Getting Started
HORIZONTAL
TERMINATION CAP
(SECTION 8.A)
NON-COMBUSTIBLE ROOF FLASHING
MAINTAINS MINIMUM CLEARANCE
AROUND PIPE (SECTION 10.C)
ATTIC INSULATION SHIELD (NOT
SHOWN) MUST BE USED HERE
TO KEEP INSULATION AWAY
FROM VENT PIPE IF ATTIC IS
INSULATED (SECTION 8.D )
VENT PIPE (SECTION 8 and 10)
FRAMING HEADED OFF
IN CEILING JOISTS
(SECTION 8.C)
CEILING FIRESTOP
ON FLOOR OF ATTIC
(SECTION 8.C)
Figure 4.1 Typical System
HEARTH EXTENSION
SURROUND
MANTEL AND
MANTEL LEG
(SECTION 5.D)
Heatilator • GDST3831I • 2127-900 Rev. K • 7/1216
B. Design and Installation Considerations
Heatilator direct vent gas appliances are designed to operate with all combustion air siphoned from outside of the
building and all exhaust gases expelled to the outside. No
additional outside air source is required.
Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fi re offi cials or authorities having
jurisdiction over restrictions, installation inspection and
permits.
Before installing, determine the following:
• Where the appliance is to be installed.
• The vent system confi guration to be used.
• Gas supply piping.
• Electrical wiring requirements.
• Framing and fi nishing details.
• Whether optional accessories—devices such as a fan,
wall switch, or remote control—are desired.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualifi ed
service technician, service agency or your dealer.
C. Tools and Supplies Needed
Before beginning the installation be sure that the following
tools and building supplies are available.
Tape measure Framing material
Pliers Non-corrosive leak check solution
Hammer Phillips screwdriver
Gloves Framing square
Voltmeter Electric drill and bits (1/4 in.)
Plumb line Safety glasses
Level Reciprocating saw
Manometer Flat blade screwdriver
1/2 - 3/4 in. length, #6 or #8 Self-drilling screws
One 1/4 in. female connection (for optional fan).
Caulking material (300ºF minimum continuous exposure
rating)
D. Inspect Appliance and Components
• Carefully remove the appliance and components from
the packaging.
• The vent system components and decorative doors and
fronts may be shipped in separate packages.
• If packaged separately, the log set and appliance grate
must be installed.
• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.
• Read all of the instructions before starting the instal-
lation. Follow these instructions carefully during the
installation to ensure maximum safety and benefi t.
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, in-
complete or substitute components. Keep appliance dry.
Hearth & Home T echnologies disclaims any responsibility for ,
and the warranty will be voided by, the following actions:
• Installation and use of any damaged appliance or vent
system component.
• Modifi cation of the appliance or vent system.
• Installation other than as instructed by Hearth & Home
Technologies.
• Improper positioning of the gas logs or the glass door.
• Installation and/or use of any component part not approved
by Hearth & Home Technologies.
Any such action may cause a fi re hazard.
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under
water. Call a qualifi ed service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.
17Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
5
5
Framing and Clearances
A. Selecting Appliance Location
When selecting a location for the appliance it is important to
consider the required clearances to walls (see Figure 5.1).
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be located out of traffi c and away from furniture and draperies.
NOTICE: Illustrations refl ect typical installations and are
FOR DESIGN PURPOSES ONLY. Illustrations/diagrams
are not drawn to scale. Actual installation may vary due to
individual design preference.
36 in.
914 mm
GDST3831I
36 in.
914 mm
Figure 5.1 Appliance Locations
Heatilator • GDST3831I • 2127-900 Rev. K • 7/1218
B. Constructing the Appliance Chase
A chase is a vertical box-like structure built to enclose the
gas appliance and/or its vent system. In cooler climates
the vent should enclosed inside the chase.
NOTICE: Treatment of ceiling fi restops and wall shield
fi restops and construction of the chase may vary with the
type of building. These instructions are not substitutes
for the requirements of local building codes. Therefore,
you MUST check local building codes to determine the
requirements to these steps.
Chases should be constructed in the manner of all outside walls of the home to prevent cold air drafting problems. The chase should not break the outside building
envelope in any manner.
Walls, ceiling, base plate and cantilever fl oor of the chase
should be insulated. Vapor and air infi ltration barriers
should be installed in the chase as per regional codes for
the rest of the home. Additionally, in regions where cold
air infi ltration may be an issue, the inside surfaces may be
sheetrocked and taped for maximum air tightness.
To further prevent drafts, the wall shield and ceiling fi re-
stops should be caulked with caulk with a minimum of
300ºF continuous exposure rating to seal gaps. Gas line
holes and other openings should be caulked with caulk
with a minimum of 300ºF continuous exposure rating or
stuffed with unfaced insulation. If the appliance is being
installed on a cement slab, a layer of plywood may be placed
underneath to prevent conducting cold up into the room.
C. Clearances
NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.
WARNING! Risk of Fire! Maintain specifi ed air space
clearances to appliance and vent pipe:
• Insulation and other materials must be secured to prevent
accidental contact.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fi replace or chimney.
• Failure to maintain airspace may cause overheating and
a fi re.
HEADER
A
*C
D
GDST3831I
Inches
Millimeters
Note: The header must
be installed on end as
A
B
shown in this diagram.
E
I
F
G
H
MINIMUM FRAMING DIMENSIONS
AB *C D EFG H I
Rough
Opening
(Width)
8-5/834-3/41538-1/83100 1/236
Rough
Opening
(Height)
2198833819697870013914
Rough
Opening
(Depth)
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
Ends of
Appliance
Sides of
Appliance
* Adjust framing dimensions for interior sheathing (such as sheetrock)
Figure 5.2 Clearances to Combustibles GDST3831I
19Heatilator • GDST3831I • 2127-900 Rev. K • 7/12
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