Thelin GNOME PELLET STOVE User manual

Thelin Hearth Products, Inc. Gnome Pellet Stove
1 of 47
GNOME PELLET STOVE
Owner’s Manual
Leave this manual with the owner. Please read this entire manual before installation and use of the pellet fuel-burning
stove. Failure to follow these instructions could result in property damage, bodily injury or even death.
TH-REF-SLS-232 Rev. A
SAFETY NOTICE
STOVE MUST BE PROPERLY INSTALLED AND MAINTAINED OR A HOUSE FIRE MAY RESULT.
FOR YOUR SAFETY, FOLLOW THE INSTALLATION INSTRUCTIONS.
CONTACT LOCAL BUILDING OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION AND PERMIT.
FAILURE TO COMPLY WITH OWNER'S MANUAL INSTRUCTIONS AND INSTALLATION GUIDELINES WILL VOID
WARRANTY. SAVE THESE INSTRUCTIONS.

Thelin Hearth Products, Inc. Gnome Pellet Stove
2 of 47
Table of Contents
Introduction................................................................................................................................................................................ 3
Safety Information .................................................................................................................................................................. 3
Laboratory Listing Label.......................................................................................................................................................... 6
WARNINGS.............................................................................................................................................................................. 7
General Information .............................................................................................................................................................. 7
Vent Information........................................................................................................................................................................ 9
Termination ............................................................................................................................................................................ 9
Distance to openings............................................................................................................................................................... 9
Installation................................................................................................................................................................................ 11
Unpacking and Inspecting your Stove................................................................................................................................... 11
HORIZONTAL INSTALLATION WITH VERTICAL RISE............................................................................................................... 14
VERTICAL INSTALLATION....................................................................................................................................................... 17
Proper Venting...................................................................................................................................................................... 22
Combustion air adjustment .................................................................................................................................................. 23
Operation ................................................................................................................................................................................. 26
Control Functions................................................................................................................................................................. 30
High Temperature / Flue, Trim, and Battery Indicators........................................................................................................ 31
Maintenance ............................................................................................................................................................................ 34
Troubleshooting Guide ............................................................................................................................................................ 39
Parts List ................................................................................................................................................................................... 40
FIGURE 14 - Replacement Parts List ..................................................................................................................................... 40
Diagrams................................................................................................................................................................................... 41
Circuit Board Diagram........................................................................................................................................................... 41
Figure 16 - Electrical Schematic/Wiring Diagram ................................................................................................................. 41
WARRANTY............................................................................................................................................................................... 46

Thelin Hearth Products, Inc. Gnome Pellet Stove
3 of 47
Congratulations on your purchase of Thelin Hearth Products Gnome pellet stove! In this manual you will find
information on stove specifications, installation instructions, operating guide, how to perform scheduled
maintenance, a troubleshooting guide, a detailed parts list and associated diagrams. Also included is your
warranty information. Please take the time to read this manual and become familiar with your pellet stove.
If you have any questions or comments, please contact your local Thelin authorized dealer. Thelin dealers are
qualified industry professionals who are able to address any questions or comments you might have regarding
Thelin product. Thank you for choosing Thelin.
Safety Information
FIRE RISK
Do not operate appliance before reading and understanding operating instructions. Failure to operate appliance
properly may result in a house fire.
Inspect appliance and components for damage. Damaged parts may impair safe operation. DO NOT install
damaged components.
DO NOT install incomplete components. DO NOT install substitute components. Report damaged parts to dealer.
DO NOT connect this unit into a chimney flue servicing another appliance. DO NOT connect to any air distribution
or duct system.
WARNING
THELIN HEARTH PRODUCTS DISCLAIMS ANY RESPONSIBILITY FOR, AND THE WARRANTY WILL BE VOIDED BY
THE FOLLOWING ACTIONS:
• MODIFICATION OF APPLIANCE
• INSTALLATION OTHER THAN AS INSTRUCTED IN THIS MANUAL BY THELIN HEARTH PRODUCTS.
• INSTALLATION AND/OR USE OF ANY COMPONENT PART NOT APPROVED BY THELIN HEARTH PRODUCTS.
• OPERATING APPLIANCE WITHOUT FULLY ASSEMBLING ALL COMPONENTS CORRECTLY
Introduction

Thelin Hearth Products, Inc. Gnome Pellet Stove
4 of 47
DO NOT overfire. If any external part starts to glow, you are over firing. Reduce feed rate.
Overfiring or any such action that may cause a fire hazard including failure to perform regular maintenance as
outlined in these instructions will void warranty.
DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
CAUTION
TESTED AND APPROVED FOR PREMIUM WOOD PELLETS OF HIGHEST BTU OUTPUT AND LOWEST % OF ASH
CONTENT ONLY. BURNING ANY OTHER TYPE OF FUEL WILL VOID YOUR WARRANTY.
Fire Safety
Maintain the designated clearances to combustibles as diagramed in this manual. Insulation must not touch
the chimney or venting system. You must maintain the designated airspace clearance around the chimney.
This space around the chimney is necessary to allow heat to flow away from the chimney area. Insulation in
this area will cause heat buildup, which could ignite wood framing.
The following should be considered when installing any solid fuel appliance:
1. Install at least one smoke detector on each floor of your home to ensure safety. They should be located
away from the heating appliance and near the sleeping area.
2. Conveniently locate a Class A fire extinguisher near the appliance.
3. Write down and practice an evacuation plan with two escape routes.
Check with your local building code department before you begin your installation. Obtain a building
permit in order to meet local building code requirements.
Contact your local dealer if assistance is required before, during and after installation.
Before Start-Up Check List
1. All Safety Warnings have been read and followed.
2. The Owner’s Manual has been read.
3. Floor protection requirements have been adhered to.
4. All venting has been properly installed.
5. The proper clearances from the stove and chimney to combustible materials have been followed.

Thelin Hearth Products, Inc. Gnome Pellet Stove
5 of 47
6. The masonry chimney has been inspected by a professional and is clean, or the factory built (metal)
fireplace is installed according to the manufacturer’s instructions.
7. A grounded power outlet with a surge protector is available nearby without having to use an extension cord.

Thelin Hearth Products, Inc. Gnome Pellet Stove
6 of 47
Laboratory Listing Label

Thelin Hearth Products, Inc. Gnome Pellet Stove
7 of 47
WARNINGS
HOT SURFACES! HOT GLASS WILL CAUSE BURNS. SURFACES AND GLASS ARE HOT DURING OPERATION AND
DURING COOL-DOWN PERIOD.
DO NOT TOUCH GLASS UNTIL IT IS COOLED.
NEVER ALLOW CHILDREN TO TOUCH GLASS. ALERT CHILDREN TO HAZARDS OF HIGH TEMPERATURES.
HIGH TEMPERATURES MAY IGNITE CLOTHING OR OTHER FLAMMABLE MATERIALS. KEEP CLOTHING,
FURNITURE, DRAPERIES AND OTHER FLAMMABLE MATERIALS AWAY FROM STOVE.
General Information
Installation and repair should be done by a qualified service professional. The stove should be inspected
before use and at least annually by a service professional. More frequent cleaning may be required due to fuel
quality, excessive lint from carpeting, bedding material, etc. It is imperative that control compartments, burn
pot and pot holder, and circulating air passageways of the stove be kept clean and free of ash buildup, lint,
and dust.
The Gnome pellet stove has been designed and approved for burning PREMIUM WOOD PELLETS OF HIGHEST
BTU OUTPUT AND LOWEST % OF ASH CONTENT ONLY.
Burning bio mass fuels in other forms or poor quality pellet fuel is not permitted and will void your warranty
and/or could cause a burn back or house fire. FOR BEST RESULTS THE WOOD PELLET FUEL SHOULD BE ¼”
DIAMETER AND APPROXIMATELY 1”LONG.
Store fuel in a covered, dry area. Pellet bags can absorb moisture and must be kept dry. Never place bags of
fuel next to the heater. Keep fuel away from combustible materials and moisture. NEVER use gasoline,
gasoline type lantern fuels, kerosene, charcoal lighter fluid, or similar liquids to start or “freshen up”a fire.
Keep all such liquids well away from the stove while it is in use.
Pellet ashes should be placed in a metal container with a tight-fitting lid. The closed container of ashes should
be placed on a non-combustible floor or the ground, well away from all combustible materials, pending final
disposal. If the ashes are disposed of by burial in soil or otherwise locally disbursed, they should be retained in
the closed container until all cinders have been thoroughly extinguished.
NOTE: During the first few burns (up to 2 –4 hours) the high-temperature paint and sealant used in the
manufacture will emit some odor and smoke. Open doors and windows to the outside for proper ventilation
during the fi r s t burn cyc l e and the c uring of the paint. SEE INI T IAL FIRIN G PROC ESS PAMPHLET WITH STOVE.
This stove must be electrically grounded according to local codes or, in the absence of local codes, with the
National Electrical Code, ANSI/NFPA 70-1987.

Thelin Hearth Products, Inc. Gnome Pellet Stove
8 of 47
Provide adequate clearances around air openings into the combustion chamber and provide adequate
accessibility clearance for servicing and proper operation. Never obstruct the front opening of the stove.
The stove may be installed as a free-standing unit mounted on a non-combustible protective floor pad or
hearth. Non-combustible floor protection is required and must be used when placing the stove on any
combustible material.
CAUTION: Do not connect this unit to a chimney flue serving another appliance. Do not install flue damper in
the exhaust venting system of the unit.

Thelin Hearth Products, Inc. Gnome Pellet Stove
9 of 47
Vent Information
Install vent clearances as specified in this Owner’s Manual.
USE TYPE L 3”OR 4”PELLET VENT PIPE DEPENDING ON YOUR INSTALLATION.
Secure pipe adapter to rear flange with 500 degree HIGH-TEMP RTV silicone and using at least three sheet
metal screws. Subsequent sections must be attached with three screws also. Each pipe section should be
sealed with hi-temp silicone and/or follow vent manufacturer’s instructions Use only Type L 3”or 4”venting
systems depending on your installation requirements.
DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING SYSTEM OF THIS UNIT.
Termination
DO NOT terminate vent in any enclosed or semi-enclosed area such as carport, garage, attic, crawl space,
under a sun deck or porch, narrow walkway or closely fenced area or any location where fumes can build up
and concentrate such as stairwell, covered breezeway, etc.
Distance to openings
1. 3 feet minimum above any forced air inlet located within 10 feet.
2. 4 ft. minimum below, or 4 ft. horizontally from, or 1 foot minimum above any door, window, or gravity
air inlet into any building.
3. Permanently closed windows –not less than 1 foot below, horizontally from, or above the permanently
closed window.
4. 2 feet minimum to an adjacent building and 7 feet minimum above grade when located adjacent to
public walkways
5. Distance to bottom of termination cap and grade should be 12”.
6. Grade surface must be non-combustible material such as rock, dirt, gravel. Beware of plants, lawn,
bushes, and shrubs, which are considered combustible material.
7. Consult local building, fire or other official codes. Local codes may be different and require other
clearances than described here.

Thelin Hearth Products, Inc. Gnome Pellet Stove
10 of 47
MOBILE HOME INSTALLATION
Mobile home installation should be in accordance with the manufactured home and safety
standard (HUD), CFR 3280, PART 24.
1. Outside combustion air is mandatory in mobile or modular home installations. An outside air inlet MUST
be provided for combustion and ventilation air. The air inlet must remain unrestricted while unit is in use.
Outside air connection is made at the air intake located on the rear of the stove (see FIGURE 2 and 3).
The kit contains 2" flex tubing (part #43000-270). Outside air kit includes flex tube, hose clamp, and
rodent screen/cap.
2. Unit must be electrically grounded to steel frame of mobile home.
3. The stove must be grounded with #8 solid copper grounding wire or equivalent, terminated at each end
with an NEC-approved grounding device.
4. A grounded power outlet with a surge protector is recommended.
5. Clearance to combustibles and floor protection is exactly the same for mobile homes as residential installs.
WARNING: THE STRUCTURAL INTEGRITY OF THE MOBILE HOME FLOORS, WALL, CEILING, AND ROOF MUST
BE MAINTAINED. DO NOT INSTALL IN SLEEPING ROOM.

Thelin Hearth Products, Inc. Gnome Pellet Stove
11 of 47
Installation
Unpacking and Inspecting your Stove
Thelin Hearth Products packages your stove to ensure safe delivery. Each stove is surrounded by impact
absorbent material as well as load shift indicators. However, damage can still occur while the stove is in
t ransi t . It is imperative that you carefully inspect your stove immediately after you receive it. If you notice any
damage or missing parts, contact your Thelin dealer immediately.
1. When deciding on the location of your stove and vent pipe, try to minimize the alteration and
reframing of structural components of the building. Vent pipe must be installed so that access is
provided for inspection and cleaning.
2. Failure to follow these installation instructions may affect warranty.
3. Avoid installing stove in high-traffic areas. Keep children well away from the stove when in operation
or cool down period. Never allow children to touch glass. Alert children to hazards of high
temperature.
4. Venting clearance of 3”clearance to combustibles must be maintained for horizontal and vertical
venting. When passing through ceilings or walls use a listed wall thimble. Ensure all combustible
materials and insulation products are a minimum of 3” away from the pellet vent pipe.
5. A 5-inch clearance to combustibles must be maintained between unit and sidewall. A 2- inch clearance
to combustibles must be maintained between unit and back wall. If installed in a corner, clearance
must be 5”to combustibles. See FIGURE 4.
6. A non-combustible hearth pad must be used if installed on a carpet, wood floor, or other combustible
material (see FIGURE 4). Maintain 6”(152mm) beyond the front and beyond each side of the fuel
loading and ash removal opening.
7. Keep front door of appliance thirty-six (36) inches from combustibles (drapery, furniture).
8. When installing the exhaust vent into an existing chimney, the chimney should be relined with a 4”
stainless steel liner or a 4”TYPE L pipe. A clean out tee must be installed behind the heater before
going up into the chimney. This is necessary in order to remove the fly ash accumulation.
9. All installations have a maximum of two 90 degree elbows including the tee. NOTE - two 45 degree
elbows = one 90 degree elbow.
10. The pellet stove must be operated with a power source and will not operate using natural draft. If
there is a power failure the stove will shut down. If the 12-volt back-up system is installed, the stove
will automatically switch to the 12-volt power.
11. Route the power supply cord so it does not touch any of the exterior components of the stove.

Thelin Hearth Products, Inc. Gnome Pellet Stove
12 of 47
FIGURE 2
FIGURE 1
FIGURE 3
CHECK WITH LOCAL BUILDING CODE OFFICIALS FOR SPECIFIC REQUIREMENTS.
Clearance to Combustibles
Unit to Sid ew all...........................5" (125 mm)
Unit to Back wall .........................1.5" (40 mm)
Unit to Diagonal W all..................5" (125 mm)
Unit to Alcove Ceiling..................1" (25 mm)

Thelin Hearth Products, Inc. Gnome Pellet Stove
13 of 47
FIGURE 4

Thelin Hearth Products, Inc. Gnome Pellet Stove
14 of 47
HORIZONTAL INSTALLATION WITH VERTICAL RISE
1. Hook up the pipe adapter to the rear exhaust flange of the stove, and silicone with 500 degree
HIGH-TEMP RTV silicone. Screw together with at least three sheet metal screws.
2. When exiting through the wall an approved wall thimble MUST be used. A MAXIMUM HORIZONTAL RUN of
two feet is allowed.
3. Connect a pellet vent tee with clean out cap and extend the vent pipe a MINIMUM OF 5 FT VERTICALLY
maintaining a MINIMUM 3” clearance to combustibles with a square horizontal cap as shown in FIGURE 5.
4. When the vertical pipe run in any installation is 5 feet or more, the use of 4-inch Type L vent pipe is required
on the entire run from back of stove to vent termination.
5. On vertical runs on an exterior wall, a wall band is required every 4 feet.
6. All vent pipe connections including exit at the rear of the stove should be secured and sealed with
500 degree HIGH-TEMP silicone and at least three sheet metal screws. If this is not done, there is a possibility
that the room fan will pick up any leakage and blow it into the room. This requirement is waived if Dura Vent
Pellet Pro pipe is used. However, rear connection of the stove still requires 500 degree HIGH-TEMP RTV silicone.
Screw together with at least three sheet metal screws.
7. Installation per FIGURE 6 requires 4”Type L pipe with a minimum 5 foot vertical rise with a square
horizontal cap.
8. Connect a 3” to 4” appliance adapter/increaser on the rear exhaust flange and sealed with 500 degree
HIGH-TEMP silicone screwed together with 3 sheet metal screws.
9. Connect a vent tee with clean out cap and extend the vent pipe a MINIMUM OF 5 FT VERTICALLY
maintaining a MINIMUM 3” clearance to combustibles.
10. A MAXIMUM HORIZONTAL RUN of two feet is allowed.
11. An approved wall thimble must be used.

Thelin Hearth Products, Inc. Gnome Pellet Stove
15 of 47
FIGURE 5

Thelin Hearth Products, Inc. Gnome Pellet Stove
16 of 47
FIGURE 6

Thelin Hearth Products, Inc. Gnome Pellet Stove
17 of 47
VERTICAL INSTALLATION
a. ALL VERTICAL RUNS REQUIRE 4”TYPE L PIPE (FIGURE 7 and 8).
b. Connect a vent tee with clean out cap and maintain a Minimum 3” clearance to combustibles.
c. When exiting through the roof, a minimum of at least 12”clearance is required, depending on roof
pitch. Always adhere to local building codes.
A high wind cap is recommended on all vertical installations.
VERTICAL INSTALLATION INTO AN EXISTING CHIMNEY
1. We recommend a chimney be relined with a 4”stainless steel flex liner with an approved chimney
adapter.
2. All vent pipe connections including exit at the rear of the stove should be secured and sealed with 500
degree HIGH-TEMP RTV silicone and at least three sheet metal screws. If this is not done, there is a
possibility that the room fan will pick up any leakage and blow it into the room. This requirement is
waived if Dura Vent Pellet Pro pipe is used. However, rear connection of the stove still requires 500
degree HIGH-TEMP RTV silicone. Screw together with at least three sheet metal screws.
3. Outside Air Hook-up: An aluminum flex pipe can be used to bring combustion air into the stove. See 2
¼”round pipe with air shutter located on the rear of the stove. Use a stainless hose clamp to attach
flex pipe to the stove air intake flange.
4. Thelin Hearth Products recommends using a Dura Vent Wall Thimble Kit part # 60-0070-0003. Call your
authorized Thelin Hearth Products dealer for this item.

Thelin Hearth Products, Inc. Gnome Pellet Stove
18 of 47
FIGURE 7

Thelin Hearth Products, Inc. Gnome Pellet Stove
19 of 47
FIGURE 8

Thelin Hearth Products, Inc. Gnome Pellet Stove
20 of 47
FIGURE 9