HearthStone 8090 Owner's Manual
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Heritage Pellet
Manual
Revision: 6
odel 8090
400-40465
- 1/23/2012
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Intentionally Blank
Page 2 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Table of Contents
Introduction ............................................................................................................................ 4
Important Notes ................................................................................................................................................... 4
Specifications ........................................................................................................................ 6
General Specifications ......................................................................................................................................... 7
Electrical Specifications ....................................................................................................................................... 7
Components ........................................................................................................................... 8
Installation ............................................................................................................................ 10
Packing list ......................................................................................................................................................... 10
Unpacking your Stove ........................................................................................................................................ 10
Installation Preparation ...................................................................................................................................... 10
Hearth Requirements & Floor Protection ........................................................................................................... 10
Clearance to Combustibles................................................................................................................................ 11
Manufactured & Mobile Home Installations ....................................................................................................... 12
Room Sensor Installation ................................................................................................................................... 13
Optional Thermostat Installation ........................................................................................................................ 13
Venting ................................................................................................................................. 15
Exterior venting requirements ............................................................................................................................ 15
Outside Air ......................................................................................................................................................... 16
Operation.............................................................................................................................. 26
Loading Pellets .................................................................................................................................................. 26
Modes of Operation ........................................................................................................................................... 27
Ash Disposal ...................................................................................................................................................... 33
Maintenance ......................................................................................................................... 34
Daily ................................................................................................................................................................... 34
Weekly or as Needed ........................................................................................................................................ 35
Monthly .............................................................................................................................................................. 35
Yearly or Every Ton of Pellets ........................................................................................................................... 36
As Needed ......................................................................................................................................................... 38
Glass Replacement Procedures ........................................................................................................................ 39
Troubleshooting .................................................................................................................. 40
Display Messages: ............................................................................................................................................. 40
General Issues: .................................................................................................................................................. 42
Replacement Parts & Optional Accessories List .............................................................. 44
Safety Label ......................................................................................................................... 45
Appendix A – Residential Pellet Fuel ................................................................................. 47
Page 3 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Introduction
Congratulations on your purchase of Hearthstone’s Heritage pellet fired stove. The Heritage Pellet stove
incorporates the latest in pellet burning technology, which will provide you with clean, efficient heat for years to
come. Your decision to purchase a Hearthstone Heritage Pellet stove reflects a choice to purchase a premium
product and a technology which is carbon neutral, meaning that operation of this stove will not introduce any
“new” CO
Burning pellets produces essentially the same amount of CO
the forest would produce. Purchase of this product illustrates forward thinking and the thoughtfulness to
purchase an environmentally responsible product.
Pellet fuel has proven to provide the cleanest burn of any solid fuel, exhausting an average well below the
United States EPA wood burning limit. Your Hearthstone Heritage Pellet stove is certified at 1.3g/hr of
particulate emissions, well below the EPA standard of 7.5 g\hr, making your stove not only beautiful, but
extremely clean burning and efficient as well. This is because the combustion air is closely monitored and
modulated by our on-board computer, which optimizes the burn efficiency.
If you have any questions, comments or concerns please contact your local Hearthstone authorized dealer.
They are certified industry professionals and should always be consulted on the installation and operation of
your Hearthstone appliance for premium performance and trouble free operation and installation.
Hearthstone Quality Home Heating Products offers the best warranty in the industry. Satisfied customers are
our top priority.
into our atmosphere and minimizes your carbon footprint.
2
that the same amount of wood decomposing in
2
Important Notes
Please Read this Owner’s Manual
Please read this manual in its entirety before installing your stove, thoroughly reading and understanding this
manual will help you operate and maintain this pellet heater to ensure years of efficient, economical use.
Please operate your stove in accordance with the instructions in this manual. For your safety and trouble free
operation, observe a few simple safety precautions and perform some minimal maintenance. The unit will
remain appealing while providing years of quality performance.
WARNING: ENSURE ONLY A HEARTHSTONE DEALER OR AN NFI CERTIFIED PELLET SERVICE TECHNICIAN
INSTALLS, AND REPAIRS THIS APPLIANCE. A QUALIFIED SERVICE TECHNICIAN MUST INSPECT THE
APPLIANCE BEFORE USE, AND AT LEAST ANNUALLY.
WARNING: REGULAR CLEANING IS REQUIRED OR ASH BUILDUP IN THE FIRE BOX COULD IMPEDE
OPERATION. IT IS IMPERATIVE THAT THE CONTROL COMPARTMENTS AND CIRCULATING AIR PASSAGES
OF THE APPLIANCE ARE KEPT CLEAN AND FREE OF OBSTRUCTIONS. THIS IS NOT A SET AND FORGET
APPLIANCE! (S’ASSURER QUE LE BRÛLEUR ET LE COMPARTIMENT DES COMMANDES SONT PROPRES.
VOIR LES INSTRUCTIONS D’INSTALLATION ET D’UTILISATION QUI ACCOMPAGNENT L’APPAREIL.)
NEVER BURN PAPER, WOOD OR OTHER MATERIALS
The Heritage Pellet is a pellet fuel burning heater and is designed to burn premium natural wood pellets only.
Never burn any fuel not intended for use with this unit.
Hot Surfaces
Certain exposed surfaces of the Heritage will reach high temperatures during normal operation. Clearances to
combustibles must be maintained, as specified in the “Clearances to Combustibles” section of this manual.
DUE TO HIGH TEMPERATURES LOCATE THE APPLIANCE OUT OF TRAFFIC AND AWAY FROM FURNITURE,
DRAPERIES, CLOTHING AND FLAMMABLE MATERIALS. AS A GENERAL RULE, KEEP ALL COMBUSTIBLES
36 INCHES AWAY.
Alert children and adults to the hazards of high surface temperatures and the need to stay away to avoid burns
to skin or clothing ignition.
Page 4 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Introduction
Ensure young children are car efully supervis ed when in the same room as the appliance. Do not place clothing
or other flammable material on or near the appliance. (surveille les enfants. Garder les vêtements, les
meubles, l’essence ou autres liquides a vapeur inflamm ables lin de l’appareil.)
Fire Hazard
In the unlikely event of a soot, or creosote fire – leave the front door closed and shut the unit off.
Have the unit and venting inspected before further use.
Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this appliance.
Locate stove out of traffic and away from furniture, draperies, clothing, and flammable material.
Page 5 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Specifications
LISTED AS: Pellet-Fired Direct-Vent Fireplace Heater
Model: Heritage Pellet (8090)
Testing Agency: OMNI-Test Laboratories, Inc.
Tested to:
ASTM E 1509 Standard Specification for Room Heaters, Pellet Fuel-Burning Type
ULC/ORD-C1482 Requirements for Space Heaters for Use with Particulate Solid Fuels
ULC-S627 Space Heaters for Use with Solid Fuels
Report No.: 261-S-04-2 Certified for US and Canada
Approved for Mobile Home Installation
Output Specifications
% max burn lbs/hr BTU's* Hours of burn, 40lb
30 1.8 15,300 22.2
45 2.7 22,950 14.8
70 4.2 35,700 9.5
100 6.0 51,000 6.7
*BTU measurements assume
8,500 btu/lb. Lower quality fuel
will reduce heat output and
overall performance.
Page 6 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Specifications
General Specifications
Stove Weight……………………………………………………………………………… …………….325 lbs
Pellet Hopper Capacity……………………………………………………………….………….……..50 lbs*
Approximate Heating Ability (sq ft)……………………… …………………………………………..up to 2000 sq ft^
Burn Rate (lbs/hr)………………………………………… …………………………………………..1.8 – 6.0 lbs/hr
Fuel…………………………………………………...................………PFI certified premium or better Wood Pellets
EPA Certified Particulate Emissions….………………………………………………………………1.3g/hr
Electrical Specifications
Electrical Rating…………………………………………………………120 V.A.C. 60Hz, 4 Amps
Watts used (startup) (approx)……………………………….………….400 Watts
Watts used (max/high burn) (approx)………………………………….110 Watts
Watts used (min/low burn) (approx)……………………………………70 Watts
*All void spaces in hopper filled.
^Dependent on energy efficiency of structure, fuel quality, user operation, and your installation.
(Refer to Appendix A)
(EPA Standard – 7.5 g/hr)
(A grounded surge protector is recommended to protect the circuit board. If the voltage entering your
home is below 116 volts your stove may not work properly. Ensure that the polarity of the outlet that the
stove is plugged into is correct.)
Page 7 of 53
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Hearthstone Quality
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Page 9 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Installation
Packing list
1- Heritage Model 8090 Pellet Stove
1- Wired Room Sensor
1- Maintenance Tool
1- 5/64” Hex Wrench
1- Owner’s Manual
1- Warranty Card
Unpacking your Stove
Hearthstone packages your Heritage Pellet stove with the greatest care so that it ships safely. However,
damage can still occur during transit and handling. When you receive your stove, immediately unpack and
inspect it carefully, checking all parts for damage. Also, ensure all parts listed are included in the box. If any
parts are damaged or missing, please contact your dealer immediately. We recommend that installation and
repair of this Hearthstone pellet stove only by a qualified Hearthstone dealer. We recommend inspection of the
stove and venting before use and at least annually by a qualified service person. Periodic cleaning is required
throughout the heating season and at the end of each winter for the stove to work safely and efficiently.
Remove retaining clips from pallet; retain them if this is a mobile home installation (see page 12).
Installation Preparation
Have a certified dealer install this heater. If you install the heater yourself, have your dealer review your
installation plans. Adhere to all codes. Local codes take precedence if more stringent than federal codes.
Plan and sketch your installation, ensure all necessary requirements are met
Ensure you consider all structural framing members (studs, joists, rafters etc.) in your installation. Slight
adjustments in placement consideration may significantly ease installation.
In order to avoid any odors associated with the initial burn, we suggest you burn the stove on high in an
outdoor location for 30 minutes. This will allow paint to cure and any debris to burn off, greatly reducing or
eliminating smells associated with stove break-in inside your home.
Ensure you consider access to the unit for cleaning when selecting an installation configuration.
Hearth Requirements & Floor Protection
Ensure you protect combustible flooring (such as wood, carpet, vinyl) with a covering of any approved
noncombustible material (metal, tile, stone, glass, etc.). The Heritage Pellet Stove does not require an R rated
insulated hearth pad. The floor protection must extend beyond the body of the stove at the minimum as follows:
2 inches beyond either side of the top of the stove
6 inches beyond the front of the stove
Figure 1 – Hearth with Vertical Venting Figure 2 – Hearth with Horizontal Venting
Page 10 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Installation
Clearance to Combustibles
Figure 3 – Side and Rear Clearances Figure 4 – Vertical Vent Clearance
Figure 5 – Corner Clearances Horizontal Vent Figure 6 – Corner Clearance with Vertical Vent
Figure 7 – Alcove Clearances
Page 11 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Installation
Manufactured & Mobile Home Installations
WARNING: DO NOT INSTALL IN SLEEPING ROOM.
CAUTION: ENSURE YOU MAINTAIN THE STRUCTURAL INTEGRITY OF THE HOME FLOOR, WALL, AND
CEILING/ROOF.
When installing this unit in a manufactured or mobile home, there are several mandatory requirements
to follow:
1. You must bolt the stove to the floor. Accomplish this using the clips (PN 5532-012), and lag screws
(5/16x1-3/4") used to attach the stove to the pallet for shipping.
2. You must con nect the stove to outside air. (See page 16).
3. You must ensure that the outside air inlet remains clear of any objects, leaves, icing, snow or other
debris. Keep the inlet away form any exhaust fans. The inlet requires an adequate amount of
ventilation. If the inlet becomes restricted during operation, the unit may starve for air, which may cause
smoke spillage and an inability to maintain a proper fire. This smoke may set off smoke detectors in
your home.
4. You must re move venting when transporting the mobile home.
5. Use silicone to create an effective vapor barrier at the location where the chimney or other component
penetrates to the exterior of the structure.
Important: Use all specified components and methods for the installation. Do not use components that are
not specified in this manual. Failure to use specified components and methods could void your warranty,
and can cause malfunction or damage to the unit or structure.
Page 12 of 53
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Page 13 of 53
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Page 14 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Venting
Note: Only 3” or 4” L or PL venting is approved for use on this stove. We recommend you use 4” venting for
optimal performance.
DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING SYSTEM OF THIS UNIT.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE.
INSTALL VENTING AT CLEARANCES SPECIFIED BY THE VENT MANUFACTURER.
A CHIMNEY CONNECTOR SHALL NOT PASS THROUGH AN ATTIC OR ROOF SPACE, CLOSET OR SIMILAR
CONCEALLED SPACE, A FLOOR, OR A CEILING.
CAUTION: DO NOT CONNECT TO ANY AIR DISTRIBUTION DUCT OR SYSTEM.
WHERE PASSAGE THROUGH A WALL OR PARTITION OF COMBUSTIBLE CONSTRUCTION IS REQUIRED, THE
INSTALLATION SHALL CONFORM TO CAN/CSA-B365.
ENSURE YOUR INSTALLATION PROVIDES SUFFICIENT COMBUSTION AIR FOR THIS UNIT. DO NOT RELY ON
ROOM AIR FOR COMBUSTION – USE OF AN OUTSIDE AIR KIT RECOMMENDED.
Exterior venting requirements
A- The clearance above grade must be a minimum of 18”. When venting terminates above a paved sidewa lk or
driveway on public land, termination must be at least 7 feet above grade.
B- The clearance to a window or door that can be opened must be a minimum of 48” to the sid e and 48” below
the window/door, and 18” above the window/door.
C- A 12” clearance to a permanently closed window is recommended to prevent condensation on the window.
D- The vertical clearance to a ventilated soffit must be a minimum of 12”
E- The clearance to an unventilated soffit must be a minimum of 12”
F- The clearance to an outside corner is 11”
G- The clearance to an inside corner is 12”
Page 15 of 53
Hearthstone Quality Home Heating Products, Inc. Heritage Model 8090 Pellet Stove
Venting
H- A vent must not be installed within 2 feet above a meter/regulator assembly when measured from the
horizontal centerline of the regulator
M- The clearance under a veranda, porch, deck or balcony must be a minimum or 12”.
The minimum horizontal clearance to vegetation and other exterior combustibles such as mulch is 36” as
measured from the center of the outlet or termination cap. This 36” radius continues to grade up to a minimum
of 7 feet below the outlet.
The longer the vent pipe and more elbows used in the system, the greater the flow resistance. Therefore, we
recommend using as few elbows as possible, and 15 feet or less, of vertical vent pipe. The maximum horizontal
run should not exceed 10 feet. If more than 15 feet of pipe, or two 90° elbows are required, vent pipe size
should increase to 4”, as larger piping offers less flow resistance.
Please note that pellets are a wood product and soot may occur during startup while the firebox approaches
sufficient temperature to sustain complete combustion of fuel.
Soot and Flyash: Formation and Need for Removal- The products of combustion will contain small pa rticles of
flyash. The flyash will collect in the exhaust venting system and restrict the flow of the flue gases. Incomplete
combustion, such as occurs during startup, shutdown, or incorrect operation of the room heater will lead to
some soot formation which will collect in the exhaust venting system. The exhaust venting system should be
inspected at least once every year to determine if cleaning is necessary.
Your Hearthstone appliance can handle up to 10 feet or equivalent of horizontal venting. Please follow venting
manufacturer’s recommendations and required installation procedures. All joints for connector pipe shall be
required to be fastened with at least three screws. If vented horizontally, joints shall be made gastight with at
least three screws and high temperature silicone.
Before considering your installation to be complete, perform a leak test on your venting. Leaks are easiest to
see during startup. Look for leaks at the vent pipe joints. Use of an incense stick is recommended to find leaks.
Outside Air
WARNING: CONNECT THE STOVE TO OUTSIDE AIR WHEN REQUIRED!
We recommend you connect your Heritage Pellet Stove to an outside air source to achieve the most efficient
and productive operation. If using an existing masonry chimney for exhaust venting and using outside air
feature, ensure make-up air draws from the side of the building most likely to experience direct wind pressure
(upwind side). You can use a coaxial venting configuration (direct vent) if environmental negative pressure is a
problem in your installation (see illustration below). This situation become less likely the closer the make-up and
exhaust air piping are to each other.
Never draw outside air from an enclosed space (garage, unventilated crawl space, etc), as this would create a
negative pressure situation and potentially starve your appliance of combustion air, creating more soot and
reducing performance efficiency.
Page 16 of 53
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