Osburn Stoves by SB I HYBRID-45 MF User Manual
• Warning: If your appliance is not properly installed a house fire may result. For your safety, follow
the installation directions. Contact local building or fire officials about restrictions and installation
inspection requirements in your area.
• PLEASE read this entire manual before installation and use of this pellet fuel-burning room heater.
Failure to follow these instructions could result in property damage, bodily injury, or even death.
• Save these instructions.
• Some surfaces become hot at higher feeding rates. To prevent potential burns, avoid contact with
those areas.
PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED
MODEL HYBRID-45 MF
OWNER’S MANUAL
Manufactured by:
Stove Builder International Inc.
Quebec City (Quebec)
CANADA
45165
INTROD
UCTIO
Thank you for purchasing the HYBRID-45 MF pellet stove. You are now prepared to burn
wood in the most efficient, convenient way possible. To achieve the safest, most efficient and
most enjoyable performance from your stove, you must do three things: 1) Install it properly;
2) Operate it correctly; and 3) Maintain it regularly. The purpose of this manual is to help you
do all three.
PLEASE read this entire manual before installation and use of this pellet fuel-burning
room heater. Failure to follow these instructions could result in property damage,
bodily injury or even death.
Keep this manual handy for future reference.
You Osburn Hydbrid-45MF has been independently tested to ASTM E1509-95 Standard
Specification for Room Heaters, Pellet Fuel Burning Type 1, UL 1482-1998 Standard for Solid
Fuel Room Heaters, Oregon Administrative Rules for Mobile Homes (814-23-900 through
814-23-909) and Installation as a Stove Heater.
This pellet stove, when installed, must be electrically grounded in accordance with local
codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70
and CSA-C22.1.
This appliance is designed specifically for use only with pelletized wood. It is designed for
residential installation according to current national and local building codes as a freestanding
room heater. It is also approved as a mobile home heater which is designed for connection to
an outside combustion air source.
The stove will not operate using natural draft or without a power source for the blower
systems and fuel feed system and must not be burned with any type of coal.
This stove is designed to provide the optimum proportions of fuel and air to the fire in order to
burn free of smoke and soot. Any blockage of the air supply to or from the stove will seriously
degrade its performance and will be evidenced by a smoking exhaust and a sooting window.
For best operation, the ash content of the pellet fuel should be less than 1% and the calorific
value approximately 8,200 BTU/LB. Avoid high ash content fuels because this will rapidly fill
up the burn pot and eventually cut off the combustion air supply.
Commercial and industrial installations of the Osburn Hybrid-45 MF should not be used since
operational control is often not well managed in these settings.
N2
REGISTER YOU WARRANTY ONLINE
To receive full warranty coverage, you will
need to show evidence of the date you
purchased your stove. Keep your sales
invoice. We also recommend that you
register your warranty online at
www.osburn-mfg.com Registering your
warranty online will help us track rapidly
the information we need on your stove.
S
AFETY PRECAUTIONS
3
• Do not operate your stove if you
smell smoke coming from it. Turn it off,
monitor it, and call your dealer.
• Never use gasoline, gasoline-
type lantern fuel, kerosene, charcoal lighter
fluid, or similar liquids to start or “freshen
up” a fire in this stove. Keep all such liquids
well away from the stove while in use.
• Never block free airflow through
the open vents of the stove.
• Never try to repair or replace any
part of the stove unless instructions are
given in this manual. All other work should
be done by a trained technician.
• The stove will not operate during
a power outage. If an outage does occur,
check the stove for smoke spillage and
open a window if any smoke spills into the
room.
• Disconnect the power cord
before performing any maintenance or
repairs on the stove.
NOTE: Turning the stove “off” does not
disconnect all power from the stove.
• Do not unplug the stove if you
suspect a malfunction. Turn the stove off,
periodically inspect it, and call your dealer.
• Keep foreign objects out of the
hopper.
• Do not throw this manual away.
This manual has important operating and
maintenance instructions that you will need at
a later time. Always follow the instructions in
this manual.
• Do not place clothing or other
flammable items on or near the stove.
• The viewing door must be closed
and latched during operation.
• Do not operate the stove if the
flame becomes dark and sooty or if the
burnpot overfills with pellets. Turn the stove
off, periodically inspect it, and call your
dealer.
• Do not touch the hot surfaces of the
heater. Educate all children of the danger of a
high temperature stove. Young children
should be supervised when they are in the
same room as the stove.
• If the stove is installed in a room
without air conditioning, or in an area where
direct sunlight can shine on the unit, it is
possible this can cause the temperature of
the stove to rise to operational levels; one of
the sensors could then make the stove start
on its own. It is recommended that the stove
be unplugged when not in use for extended
amounts of time (i.e. during the summer
months).
• Contact your local building
officials to obtain a permit and information
on any installation restrictions or inspection
requirements in your area. Notify your
insurance company of this stove as well.
• This unit must be properly
installed to prevent the possibility of a
house fire. The instructions must be strictly
adhered to. Do not use makeshift methods
or compromise in the installation.
• Allow the stove to cool before
carrying out any maintenance or cleaning.
Ashes must be disposed in a metal
container with a tight lid and placed on a
non combustible surface well away from
the home structure.
• This stove must be connected to
a standard 120 V., 60 Hz grounded
electrical outlet. Do not use an adapter
plug or sever the grounding plug. Do not
route the electrical cord underneath, in
front of, or over the stove.
• The exhaust system should be
checked, at a minimum, at least twice a
year for any build up of soot or creosote.
• The exhaust system must be
completely airtight and properly installed. The
pellet vent joints must be sealed with RTV
500°F. (260°C.) silicone sealant, and with UL181-AP foil tape.
• Your stove requires periodic
maintenance and cleaning. Failure to
maintain your stove may lead to smoke
spillage in your home.
• This stove is designed and
approved for pelletized wood fuel only. Any
other type of fuel burned in this heater will
void the warranty and safety listing.
• When installed in a mobile home,
the stove must be bolted to the floor, have
outside air, and NOT BE INSTALLED IN A
BEDROOM (Per H.U.D. requirements).
Check with local building officials.
• Stove Builder International Inc.
grants no warranty, implied or stated, for
the installation or maintenance of your
stove, and assumes no responsibility of
any consequential damage(s).
CO
S
4
TABLE OF
NTENT
INTRODUCTION --------------------------------------------------------------------------------------------- 2
SAFETY PRECAUTIONS ---------------------------------------------------------------------------------- 3
SPECIFICATIONS ------------------------------------------------------------------------------------------- 5
INSTALLATION --------------------------------------------------------------------------------------------- 5
Preparation ----------------------------------------------------------------------------------------- 5
Clearances ----------------------------------------------------------------------------------------- 5
Combustion Air Supply -------------------------------------------------------------------------- 6
When Outside Air Is Not Used ----------------------------------------------------------------- 6
Venting ----------------------------------------------------------------------------------------------- 6
Freestanding Installations ---------------------------------------------------------------------- 7
Log set installation --------------------------------------------------------------------------- 10
OPERATION --------------------------------------------------------------------------------------------------- 11
Proper Fuel ----------------------------------------------------------------------------------------- 11
Pre-Start-Up Check ------------------------------------------------------------------------------- 11
Building a Fire ------------------------------------------------------------------------------------- 11
Lighting procedure ----------------------------------------------------------------------------------- 11
Unit Controls ------------------------------------------------------------------------------------- 11
Opening Door -------------------------------------------------------------------------------------- 12
Convection blower -------------------------------------------------------------------------------------- 12
If Stove Runs Out Of Pellets -------------------------------------------------------------------- 13
Damper Control ------------------------------------------------------------------------------------ 13
Refueling --------------------------------------------------------------------------------------------- 13
Shutdown Procedure ----------------------------------------------------------------------------- 13
Safety Features ------------------------------------------------------------------------------------ 13
Optional Thermostat ------------------------------------------------------------------------------ 14
Thermostat Installation -------------------------------------------------------------------------- 14
(Please Read This) Operating Safety Precautions -------------------------------------- 15
MAINTENANCE ---------------------------------------------------------------------------------------------- 16
Ash Removal ---------------------------------------------------------------------------------------- 16
Ash Disposal ---------------------------------------------------------------------------------- 16
Vacuum Use ---------------------------------------------------------------------------------------- 17
Cleaning ---------------------------------------------------------------------------------------------- 17
Blowers ---------------------------------------------------------------------------------------------- 17
Chimney Cleaning -------------------------------------------------------------------------------- 18
Recommended Maintenance Schedule ----------------------------------------------------- 18
Removal & Replacement of Broken Door Glass ------------------------------------------ 18
TROUBLE SHOOTING GUIDE -------------------------------------------------------------------------- 19
ELECTRICAL DIAGRAM --------------------------------------------------------------------------------- 25
REPLACEMENT PARTS LIST -------------------------------------------------------------------------- 26
WARRANTY ----------------------------------------------------------------------------------------------- 27
INSTALLATION
5
OSBURN HYBRID-45 MF FREESTANDING PELLET STOVE
Width: 27”
Height: 30 1/2”
Depth: 24 5”
Weight: 230 lbs.
Flue size: 3” or 4”
Hopper Capacity: Up to 70 lbs.
(This can vary widely depending on pellet size, length, and diameter)
EPA status: exempt
Burn rate: 1 lb. to 5.5 lbs. per hour
BTU range: 8,200 to 45,000
Electrical consumption: 3.5 Amps lighting cycle
2.5 Amps. continuous duty
Control board fuses: Main: 7.5A-250V fastblow
Igniter: 5A-250V fastblow
Electrical requirement: 120VAC 15A
Approved installations: mobile home, conventional
PREPARATION
Factory packaging must be removed, and some minor assembly work is required
prior to installation:
• The door overlay must be installed on the door frame;
• The louver kit must be installed in front of the heat exchanger.
NOTE: Normally, your dealer will perform these functions.
CLEARANCES
The Osburn Hybrid-45 MF has been tested and listed for installation in residential,
mobile home.(refer figure 1 & 2)
BACK WALL
2" *
6"
SIDE WALL
Back wall installation
ADJACENT WALL
2"
3"
FIGURE 1
3"
ADJACENT WALL
3"
FLOOR PROTECTION: minimum 6” in the front and 6” on each side. The stove
must be placed on a continuous (grouted joints) noncombustible material such as
ceramic tile, cement board, brick, 3/8” millboard or equivalent, or other approved or
listed material suited for floor protection. NOTE: ceramic tile, or any tile, requires a
continuous sheet beneath to prevent the possibility of embers falling through to the
combustible floor if cracks or separation should occur in the finished surface, this
would include floor protection for Built-in raised hearths. Check local codes for
approved alternatives.
Clearances are measured from the sides, back and face (door opening) or stove
body (refer to fig. 3).
DO NOT USE MAKESHIFT MATERIALS OR COMPROMISES IN THE
INSTALLATION OF THIS UNIT.
INSTALL VENT WITH CLEARANCES SPECIFIED BY THE VENT
MANUFACTURER.
FIGURE 2
Corner installation
6"
6"
FIGURE 3
Floor protection
2"
6"
6
INSTALLATION
COMBUSTION AIR SUPPLY
For a mobile home installation the stove must be connected to an
outside source of combustion air. A 3” inside diameter metallic pipe,
either flexible or rigid, may be attached to the inlet at the stove’s rear
(refer to figures 4, 5 & 6). A rodent guard (minimum ¼” wire mesh)
must be used at the terminus (refer to figure 5). All connections must
be secured and airtight by either using the appropriately sized hose
clamp and/or UL-181-AP foil tape.
For mobile home installations only: No combustion air supply
may exceed 10 feet.
Sources of Outside Combustion Air
• A hole in floor near stove rear terminating only in a
ventilated crawl space.
• A hole in the wall behind the stove.
WHEN OUTSIDE AIR IS NOT USED
If outside air is not used, it is important that combustion air be easily
available to the air inlet. A closeable outside air register can be used
in tightly insulated homes.
VENTING
The Osburn Hybrid-45 MF is certified for use with Vent type UL-103
or ULC S629M and Chimney type UL-641 or ULC S609, 3” or 4”
diameter in size. This unit can be installed in an existing chimney
with the addition of a liner if it’s more than 4” in diameter. Class “A”
chimney is not required. Refer to the instructions provided by the
vent or chimney manufacturer, especially when passing through a
wall, ceiling or roof.
AIR INLET
FIGURE 4
Rear view
TRIM
COLLAR
EXHAUST
This is a pressurized exhaust system. All vent connector joints must
be sealed with 500°F (260°C) RTV silicone sealant to ensure
consistent performance and avoid smoke spillage. All horizontal
connector joints must be sealed with UL-181-AP foil tape. We
recommend that all vertical vent connector joints be secured with a
minimum of 3 screws.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING
ANOTHER APPLIANCE.
DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING
SYSTEM OF THIS UNIT.
INSTALL VENT AT CLEARANCES SPECIFIED BY THE VENT
MANUFACTURER.
WARNING DO NOT INSTALL IN SLEEPING ROOM
CAUTION THE STRUCTURAL INTEGRITY OF THE
MANUFACTURED HOME FLOOR, WALL, AND CEILING/ROOF
MUST BE MAINTAINED
FIGURE 5
Fresh air supply
VENTILATED
CRAWL SPACE
FIGURE 6
Fresh air supply
RODENT
GUARD
INSTALLATION
Equivalent Vent Length (EVL)
The longer the run of pipe in your installation, the more restriction
there is in the system. Therefore, larger diameter pipe should be
used.
7
• Use 4” pipe if you have more than 15 feet of Equivalent Vent
Length (EVL).
• Horizontal runs shall not exceed 10 feet of EVL.
• To calculate EVL, use the following conversions table:
Qty Type of pipe EVL equivalent(ft)
1 90° elbow or “T” 5
1 45° elbow 3
1 ft Horizontal pipe run 1
1 ft Vertical pipe run 0.5
NOTE: At altitudes above 3,000 feet, we suggest the use of 4”
diameter vent at an EVL of 7 feet or more.
Here is an exemple on how to calculate the EVL of your installation.
(See Figure 8)
(3 x 4’ of vertical length = 12’ x 0.5 = 6 EVL) + (1 x elbow or "T" = 5
EVL) + (2 x 1’ of horizontal length = 2 EVL)
Total EVL = (6 + 5 +2) = 13. So 3” diameter vent is allowed
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
90 DEGREE ELBOW
WALL
THIMBLE
CLEAN OUT
TEE
FIGURE 7
Venting through wall
VERTICAL ROOF VENT
VERTICAL LENGTH 4' EVL = 4 X 0.5' = 2'
45 DEGREE ELBOW
TERMINATION
COLLAR
WALL
STRAP
INSTALLATION CONFIGURATIONS
A. HORIZONTALLY THROUGH WALL (refer to Figure 7 & 8)
NOTE: Follow L-Vent chimney manufacturer’s instructions.
1. Position stove, adhering to clearances shown in Figures 1 & 2.
2. Locate position of hole in wall; directly behind stove exhaust
vent (refer to figure 4).
3. Always maintain 3” clearance from combustible materials.
4. Install L-Vent wall thimble per L-Vent manufacturer’s
instructions.
5. Attach enough piping to penetrate and extend at least 6”
beyond exterior walls. An 8-foot vertical pipe run is suggested
where possible to reduce the possibility of smoke spillage in
the event of a loss of negative pressure.
6. Attach cap and seal outside wall thimbles with non-hardening
waterproof mastic.
Termination should not be located so that hot exhaust gases can
ignite trees, shrubs, or grasses or be a hazard to children. Exhaust
gases can reach temperatures of 500ºF and cause serious burns if
touched.
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
1' HORIZONTAL RUN EVL = 1'
COUPE-FEU
MURAL
1' HORIZONTAL RUN EVL = 1'
FIGURE 8
VERTICAL LENGTH 4' EVL = 4 X 0.5' = 2'
WALL
STRAP
VERTICAL LENGTH4' EVL = 4 X 0.5' = 2'
CLEAN OUT
TEE
90° ELBOW "T" LEE = 5'
Venting through wall
Locate terminations: a) not less than 3 feet above any forced
air inlet located within 10 feet; b) not less than 4 feet below or
horizontally from, or one foot above, any door, window or
gravity air inlet into any building; c) not less than two feet from
an adjacent building and not less than 7 feet above grade
when located adjacent to a public walkway. Mobile home
installations must use a spark arrester.
N
8
g
INSTALLATION
A. VERTICALLY WITH NEW CHIMNEY SYSTEM (Refer to Figure 9
& 10 for basement installation)
NOTE: Follow L-Vent chimney manufacturer’s instructions.
OPTION: To achieve a center vertical installation, a 45º elbow and a
clean-out tee can be used to offset the pipe from the exhaust outlet to
the rear center of the stove.
OPTION: Install L-Vent elbow in place of clean-out tee. Locate stove.
Drop plumb bob to center of tee outlet, mark point on ceiling. Install
ceiling support and L-Vent pipe per L-Vent manufacturer’s instructions.
1. Always maintain 3” clearance from combustible materials. When
passing through additional floors or ceilings, always install firestop
spacer.
2. After lining up for hole in roof, cut either around or square hole in
roof, always 3” larger all the way around pipe. Install upper edge
and sides of flashing under roofing materials, nail to the roof along
upper edge. Do not nail lower edge. Seal nail heads with nonhardening waterproof mastic.
3. Apply non-hardening, waterproof mastic where the storm collar will
meet the vent. Slide storm collar down until it sits on the flashing.
Seal and install cap. Mobile home installations must use a spark
arrester.
B. VERTICALLY INTO EXISTING CHIMNEY SYSTEM
As an alternative, 3” or 4” L-Vent can be run inside existing chimney to
termination(Figure 11). This is the preferred method.
Follow guidelines for equivalent vent length.
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
12" MINIMUM
CLEARANCE
TO ROOF
VERTICAL ROOF VENT
ATTIC
INSULATIO
SHIELD
CLEAN OUT
TEE
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
FOR BASEMENT INSTALLATION
A 4" PIPE IS RECOMMANDED
BASEMENT INSTALLATION
FIGURE 10
Basement installation
WALL
STRAP
CLEAN OUT
TEE
CLEAN OUT
TEE
FIGURE 9
Venting through roof
FIGURE 11
Venting through
existin
chimney
INSTALLATION
C. VERTICALLY INTO EXISTING MASONRY
FIREPLACE
NOTE: Follow L-Vent chimney manufacturer’s instructions.
1. Have the masonry chimney inspected by a qualified
chimney sweep or installer to determine its structural
condition.
2. You will need a pipe length equal to the chimney height
from the hearth. If outside combustion air is to be used, you
will need a pipe length equal to the chimney height plus 18
inches.
3. Install a blanking plate and the chimney pipe, and if used
the outside air pipe, as shown in Figure 12.
4. Attach the DuraVent adapter, a section of pipe and clean
out tee, making sure the clean out tee is centered in the
chimney flue area. Use RTV, metallic tape, and a minimum
of three self-taping screws at all joint connections to ensure
a tight seal.
5. Position the stove, adhering to the clearances in Figures 1
& 2.
6. Measure and build chimney top plate. Cut out holes for
chimney pipe, and if used the outside air pipe. Install and
seal with non-hardening mastic to prevent water leakage.
Install vent cap.
D. INSTALLATION THROUGH SIDE OF MASONRY
CHIMNEY
NOTE: Follow L-Vent chimney manufacturer’s instructions.
1. Position the stove, adhering to the clearances in Figures 1
& 2. Mark the center of the hole where the pipe is to pierce
the masonry chimney.
2. It will be necessary to break out the masonry around the
location of the pipe center mark. Use a 4-inch diameter
hole for 3-inch pipe and 5-inch diameter hole for 4-inch
pipe.
3. Measure and build chimney top plate. Cut out holes for
chimney pipe, and if used the outside air pipe.
4. Install the tee on the bottom of the vertical pipe system and
lower it down the chimney until the center branch of the tee
is level with the center of the hole in the masonry, as
shown in Figure 13.
5. Install and seal the top plate from step 3 with nonhardening mastic. Slip the storm collar over the pipe, and
while holding the pipe at the proper elevation, affix the
collar with a minimum of three ¼” stainless steel sheet
metal screws. Seal all joints and seams around the collar.
6. Connect the horizontal pipe by pushing it through the hole
in the masonry and lining it up with the branch in the tee.
Push the pipe into the tee while twisting it to lock it into the
tee.
7. If desired, once the horizontal pipe is in place, the space
between the pipe and masonry may be filled with hightemperature grout.
Install the trim collar. An adjustable pipe length and adapter may
be needed to finish the connection to the stove.
VERTICAL ROOF VENT
3"
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
Figure 12
Venting through
masonry chimney
6"
TOP PLATE
BLANKING PLATE
OPTIONAL
OUTSIDE AIR
CLEAN OUT
TEE
VERTICAL ROOF VENT
6"
3"
FOLLOW CHIMNEY OR
VENT MANUFACTURER'S
INSTRUCTIONS
WALL
THIMBLE
OPTIONAL
OUTSIDE AIR
TOP PLATE
CLEAN OUT
TEE
Figure 13
Venting through side
of masonry chimney
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