Vermont Casting 2547CE User Manual
Encore
Multi-Fuel Heater
Model 2547CE
Homeowner’s
Installation and
Operating Manual
SAFETY NOTICE: IF THIS APPLIANCE IS NOT PROPERLY INSTALLED, OPERATED AND MAINTAINED, A HOUSE FIRE MAY RESULT.
TO REDUCE THE RISK OF FIRE, FOLLOW THE INSTALLATION INSTRUCTIONS. FAILURE TO
FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE, BODILY INJURY OR EVEN
DEATH. CONTACT LOCAL BUILDING OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION
INSPECTION REQUIREMENTS IN YOUR AREA.
Do Not Discard This Manual: Retain for Future Use
2000971 5/07 Rev. 5
Encore Multi-Fuel Heater
Welcome
Congratulations on your choice of a Vermont Castings Encore Multi-Fuel Heater. With this purchase you have made a
commitment to make the hearth a place of warmth, beauty, and comfort in your home. At CFM Corporation, we share
that joy and appreciation for the hearth. You may be assured that your cast-iron Vermont Castings stove has been
made with the utmost care and will provide you with many years of service.
At Vermont Castings, we are equally committed to your satisfaction as a customer. That is why we maintain an exclu
sive network of the finest dealers in the industry. Our dealers are chosen for their expertise and dedication to customer service. They are factory-trained and knowledgeable about every Vermont Castings product. Feel free to contact
your Authorized Vermont Castings Dealer anytime you have a particular question about your stove or its performance.
This manual contains valuable instructions on the installation and operation of your Vermont Castings stove. It also
contains useful information on maintenance and assembly of this product. We urge you to read the manual thoroughly
and to keep it as a reference.
Sincerely,
-
All of us at CFM Corporation
The Encore Multi-Fuel 2547CE is designed for burning
wood and most smokeless solid fuels.
Consult a professional, solid fuel service person to
install your stove, or to advise you on the installation
should you wish to install it yourself.
Please read the entire manual before you install and
use your new room heater. Failure to follow instructions
may result in property damage, bodily injury, or death.
Table of Contents
Specifications ................................. 3
Installation ...................................... 4
Assembly .......................................11
Operation ...................................... 12
Draft Management ........................ 17
Maintenance ................................. 19
Replacement Parts ....................... 23
Warranty .......................................
27
2
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Specifications
51 mm
(2")
641 mm
(25")
Top exit
flue collar
height
686 mm (27")
657 mm
(25")
470 mm
(18")
187 mm
(7")
686 mm (27")
572 mm (22")
394 mm
(15")
127 mm
(5")
73 mm (2")
600 mm
(23")
133 mm
(5")
381 mm
(15")
610 mm
(24")
83 mm
(3")
686 mm (27")
543 mm
(21")
457 mm (18")
Encore Multi-Fuel, Model 2547CE
Wood Smokeless Fuel
Nominal heat output 12.3 kW1 7.7 kW
(42,000 BTU/hr) (26,270 BTU/hr)
Minimum flue draught 12 Pa 12Pa
(0.048” WG) (0.048”WG)
Mean flue gas temp 291°C (556°F) 267°C (513°F)
Efficiency (space heating) 71.6% 66.7%
Fuel size/type up to 510 mm (20”) Smokeless coal
Flue mass gas flow 12.0 g/s 10.4 g/s
CO Emissions (@ 13% O2) 7900 ppm 3200 ppm
Area Heated ..............................129 sq. m (1400 sq.ft.)
Loading ....................................................... Front or top
Chimney connector:
for 8” flue collar ....................... 203 mm (8”) diameter
for 6” flue collar ....................... 152 mm (6”) diameter
Chimney flue size:
for 8” flue collar .......................203 mm (8”) minimum
for 6” flue collar .......................152 mm (6”) minimum
Flue exit position ....................... Reversible, top or rear
Primary air ... Manually set, thermostatically maintained
Ash handling system .....................Removable ash pan
Glass panel ......................... High-temperature ceramic
Weight ................................................159 kg (350 lbs.)
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Encore Multi-Fuel Heater
2
Width (leg-to-leg) ..................................... 685 mm (27”)
Depth (leg-to-leg) .................................... 380 mm (15”)
Height to top of flue collar, 152 or 203 mm (6” or 8”)
Top exit .............................................. 640 mm (25¹⁄₄”)
Rear exit ............................................ 675 mm (26¹⁄₂”)
1. This value can vary depending on how the stove
is operated, the type and moisture content of the fuel
used, as well as the design, construction and climatic
location of your home. Figures shown are based on
nominal fuel consumption obtained under laboratory
conditions and on average efficiencies.
2. This stove is approved for use with processed coal
fuels generally known as smokeless. Ask your dealer
which fuels are acceptable in your area.
Fig. 1 Encore MF dimensions.
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Drawings Not to Scale
0971
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Encore Multi-Fuel Heater
30
25
20
15
0 2000 4000 6000 8000 10000 12000
Height
Altitude
Installation
SAFETY NOTICE: IF YOUR ENCORE IS NOT PROPERLY INSTALLED, A HOUSE FIRE MAY RESULT.
TO REDUCE THE RISK OF FIRE, FOLLOW THE
INSTALLATION INSTRUCTIONS. CONTACT LOCAL
BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA.
Before you begin an installation, be sure that:
• Your stove and chimney connector will be far
enough from combustible material to meet all clearance requirements.
• The hearth is large enough and is constructed prop-
erly to meet all requirements.
• You have all necessary permits from local authori-
ties.
Your local building official is the final authority for approving your installation as safe and determining that it
meets local and state codes.
The metal label permanently attached to the back of every Vermont Castings stove indicates that the stove has
been tested to current standards. The test standards
are UL 1482 and Ul 737 for the US and EN13240:2001
+ A2:2004 for Europe. Clearance and installation information also is printed on the label. When the stove is
installed according to the information both on the label
and in this manual, local authorities in most cases will
accept the label as evidence that the installation meets
codes and can be approved.
However, codes vary in different countries. Before
starting the installation, review your plans with the local
building authority. You local dealer can provide any additional information needed.
IMPORTANT: FAILURE TO FOLLOW THESE INSTALLATION INSTRUCTIONS MAY RESULT IN A
DANGEROUS SITUATION, INCLUDING A CHIMNEY
OR HOUSE FIRE. FOLLOW ALL INSTRUCTIONS
EXACTLY, AND DO NOT ALLOW MAKESHIFT COMPROMISES TO ENDANGER PROPERTY AND PERSONAL SAFETY.
Outside Air
In some modern, super-insulated homes, there is
inadequate air for combustion because of insufficient
air infiltration into the building. Such air enters a home
through unsealed cracks and openings. Exhaust fans
for kitchen or bath can compete with the stove for available air and compound the problem.
When poor draft is caused by a low infiltration rate,
opening a ground floor window on the windward side
of the house and in the vicinity of the stove will usually
alleviate the problem.
Another solution is to install a permanent outside air
supply to the stove and/or room. In fact, bringing air
for combustion from outside the home directly to the
air inlet of the stove is required for new construction in
some areas.
Pressure variations within the house do not affect a
stove equipped with an outside air supply, and improved stove performance often results. An Outside Air
Adapter Kit for the Encore Multi-Fuel is available from
your local Vermont Castings dealer.
Chimney Height
Altitude affects chimney performance. When using a
152 mm (6”) flue collar on the Encore Multi-Fuel, refer
to Figure 2 for suggested chimney heights at various
altitudes. Chimney height should be measured from the
flue collar to the top of the chimney. The recommended
minimum chimney height is 4.9 m (16’).
4
ST491
Fig. 2 Chimney height requirements for Encore MF when
equipped with a 152 mm (6”) chimney.
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Encore Multi-Fuel Heater
What Kind of Chimney to Use
You must connect the Encore Multi-Fuel to a code-approved masonry chimney with a flue liner, to a relined
masonry chimney that meets local codes, or to a
prefabricated metal chimney. (Fig. 3) The chimney and
chimney connector must be in good condition and kept
clean.
If you use an existing masonry chimney, it must be
inspected to ensure it is in a safe condition before
the stove is installed. Your local professional chimney
sweep, building inspector, or fire department official will
be able to inspect the chimney or provide a referral to
someone who can.
A prefabricated doublewall insulated chimney
A tile-lined
masonry
chimney
ST241
Fig. 3 Approved chimney types.
Masonry Chimneys
An inspection of the chimney must confirm that it has
a lining. Do not use an unlined chimney. The chimney
should have no cracks, loose mortar, other signs of
deterioration, and blockage. Repair any defects before
the chimney is used with your stove.
Unused openings in an existing masonry chimney must
be sealed with masonry to the thickness of the chimney
wall, and the chimney liner should be repaired. Openings sealed with pie plates or wallpaper are a hazard
and should be sealed with mortar or refractory cement.
In the event of a chimney fire, flames and smoke may
be forced out of these unused thimbles.
The chimney should be thoroughly cleaned before use.
A newly-built masonry chimney must conform to the
standards of your local building code or, in the absence
of a local code, to a recognized national code. Masonry
chimneys must be lined, either with code-approved
masonry or pre-cast refractory tiles, stainless steel
pipe, or a code-approved, “poured-in-place” liner. The
chimney’s clean-out door must seal tightly.
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Prefabricated Chimneys
These should be an internal diameter of 150 mm (6”)
and be of the twin wall insulated construction that has
been approved for solid fuel use (e.g. Rite Vent ICS of
ICID Lite Chimney Systems). Diameters over 200 mm
(8”) are not recommended due to the large cross-section causing excessive cooling of the flue gases.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE
SERVING ANOTHER APPLIANCE.
Chimney Size
An Encore Multi-Fuel with an 203 mm (8”) flue collar is
sized for venting into a masonry chimney with a nominal
flue size of 8” x 8” (203 x 203 mm) or 8” x 12” (203 x
305 mm), and into a round flue with nominal flue size of
8” (203 mm). An Encore Multi-Fuel with a 6” (152 mm)
flue collar is approved for venting into a masonry chimney with a nominal flue size of 8” x 8” (203 x 203 mm),
and into a round flue with nominal flue of 6” (152 mm).
NOTE: When installed with a 6” flue collar, the
Encore Multi-Fuel is not recommended for use with
the front doors open.
Whatever the flue collar size, an Encore Multi-Fuel
may be vented into larger chimneys as well. However, chimneys with liners larger than 203 x 305 mm
(8” x 12”) may experience rapid cooling of smoke and
reduction in draft, especially if the chimneys are located
outside the home. These large chimneys may need to
be insulated or have their flues relined for proper stove
performance.
Accessories to help make the connection between
stainless steel chimney liners and your Encore MultiFuel are available through your local dealer.
Chimney Connector Guidelines
A chimney connector is the double-wall or single-wall
pipe that connects the stove to the chimney. The chimney itself is the masonry or prefabricated structure that
encloses the flue. Chimney connectors are used only to
connect the stove to the chimney, as in Figure 6.
Connecting Flue Pipes
Connector pipes should meet the requirements of the
building regulations. This can be achieved by the use
connecting fluepipes included in the following categories:
a) Vitreous enamelled steel pipe complying with BS
6999: 1989 (1996);
b) Pipes made from stainless steel as descirbed in BS
EN 1008-1:1995 grades 1.4401, 1.4404, 1.4432 or
1.4436 with flue wall thickness of at least 1 mm;
c) Mild steel fluepipes complying with BS 1449: Part 1:
1991, with a flue wall thickness of at least 3 mm;
d) Cast iron fluepipes complying with BS 41: 1973
(1998).
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Encore Multi-Fuel Heater
Flue Pipes with a spigot and socket joint should be
fitted with the socket facing upwards, to contain condensates and moisture within the flue. Joints should be
made gas tight using proprietary jointing accessories,
or, where appropriate, by packing joint with noncombustible rope and fire cement.
Double-wall connectors must be tested and listed for
use with solid-fuel burning appliances. Single-wall connectors should be made of 24 gauge or heavier steel.
Do not use galvanized connector; it cannot withstand
the high temperatures that can be reached by smoke
and exhaust gases, and may release toxic fumes under
high heat. The connector may be 152 mm (6”) or 203
mm (8”) in diameter.
If possible, do not pass the chimney connector through
a combustible wall or ceiling. If passage through a combustible wall is unavoidable, refer to the section on Wall
Pass-Throughs. Do not pass the connector through an
attic, a closet or similar concealed space. The whole
connector should be exposed and accessible for inspection and cleaning.
The recommended maximum length of a horizontal
stovepipe run is 152 mm (6”).
In cathedral ceiling installations, extend the prefabricated chimney downward to within 2.4 m (8’) of the stove.
Wear gloves and protective eyewear when drilling,
cutting or joining sections of chimney connector.
Double-wall Chimney Connectors
Information on assembling and installing double-wall
connectors is provided by the manufacturer of the
double-wall pipe. Follow the manufacturer’s instructions
exactly as you assemble the connector and attach it to
the stove and chimney. Using chimneys and connectors
from the same manufacturer makes the assembly and
installation straightforward.
NOTE: For installations using double-wall connectors,
minimum clearances must conform to the listed clearances in the clearance chart on Page 13.
If the Encore Multi-Fuel is equipped with the 203 mm
(8”) flue collar, an oval-to-round adapter will be needed.
Your local dealer can help you select the right connector.
Single-wall Chimney Connectors
• Begin assembly at the flue collar of the stove. Insert
the first crimped end into the stove’s flue collar. Keep
each crimped end pointing toward the stove. (Fig. 5)
Using the holes in the flue collar as guides, drill 3 mm
(1/8”) holes in the bottom of the first section of chimney
connector and secure it to the flue collar with three #10
x 1/2” sheet metal screws.
• Secure each joint between sections of chimney con-
nector, including telescoping joints, with at least three
6
sheet metal screws. The
pre-drilled holes in the top
of each section of chimney
connector serve as guides
when you drill 3 mm (1/8”)
holes in the bottom of the
next section.
• Secure the chimney
connector to the chimney.
Instructions for various installations follow.
• Be sure the installed
stove and chimney connector are correct distances
from nearby combustible materials.
NOTE: Special slip pipes and thimble sleeves that form
telescoping joints between sections of chimney connector are available to simplify installations. They often
eliminate the need to cut individual connector sections.
Consult your local dealer about these special pieces.
Fig. 4 the crimped end
of the connector points
toward stove.
Securing the Single-wall Connector to a
Prefabricated Chimney
Follow the installation instructions of the chimney
manufacturer exactly as you install the chimney. The
manufacturer of the chimney will supply the accessories to support the chimney, either from the roof of the
house, at the ceiling of the room where the stove is
installed, or from an exterior wall.
Special adapters are available from your local dealer
to make the connection between the prefabricated
chimney and the chimney connector. The top of such
adapters attaches directly to the chimney or to the
chimney’s ceiling support package, while the bottom of
the adapter is screwed to the chimney connector.
These adapters are designed so the top end will fit
outside the inner wall of the chimney, and the bottom
end will fit inside the first section of chimney connector.
When assembled in this way, any soot or creosote falling from the inner walls of the chimney will stay inside
the chimney connector.
Securing the Single-wall Connector to a
Masonry Chimney
Both freestanding masonry chimneys and fireplace masonry chimneys may be used for your installation.
Freestanding Installations
If the chimney connector must pass through a combustible wall to reach the chimney, follow the recommendations in the Wall Pass-Through section that follows.
The opening through the chimney wall to the flue
(the “breech”) must be lined with either a ceramic or
metal cylinder, called the “thimble”, which is cemented
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Encore Multi-Fuel Heater
*
*
Chimney
Elbow
Slip Pipe
Standard
Connector
Oval to
Round Adapter
Flue Collar
Fig. 5 An exploded view of the chimney connection in a freestanding masonry installation.
Flue
Flue Liner
Thimble
ST492
securely in place. Most chimney breeches incorporate
thimbles, but the fit must be snug and the joint between
the thimble and the chimney wall must be cemented
firmly.
A special piece called the “thimble sleeve,” slightly
smaller in diameter than standard connectors and most
thimbles, will facilitate the removal of the chimney connector system for inspection and cleaning. Thimble
sleeves should be available from your local dealer.
To install a thimble sleeve, slide it into the breech until
it is flush with the inner flue wall. Do not extend it into
the actual flue passage, as this could interfere with the
draft.
The thimble sleeve should protrude 25-51 mm (1-2”)
into the room. (Fig. 6) Use furnace cement and thin
gasketing to seal the sleeve in place in the thimble.
Secure the chimney connector to the outer end of the
sleeve with sheet metal screws.
Thimble
Thimble Sleeve
Chimney Connector
45° Elbow
Maximum
Flue
Fig. 6 The thimble, made of either ceramic or metal, must be
cemented securely in place.
ST243a
Without a thimble, a suitable length of chimney connector can be extended through the breech to the inner
face of the flue liner, and cemented securely in place.
Additional pieces of connector are then attached with
sheet metal screws.
Fireplace Installations
The chimney connector may be connected to the
chimney above the fireplace opening or through the
fireplace.
Above the Fireplace
The Encore Multi-Fuel may be connected to a chimney
above a fireplace opening. (Fig. 7) In such installations, the stove is positioned on the hearth in front of
the fireplace and the chimney connector rises from the
stove top and then angles ninety degrees back into the
chimney. The chimney liner should extend to the point
at which the chimney connector enters the chimney.
* Check these
clearances
Chimney Connector Shield
Fig. 7 Chimney connector enters chimney above the fireplace opening.
Mantel
Seal the
Damper
ST244a
If the chimney connector from your installation enters
the chimney above a fireplace, follow all the guidelines
mentioned above for freestanding installations. In addition, give special consideration to the following points:
• Check the clearance between the stove and the
chimney connector, and any combustible trim or the
mantel. Use the necessary combination of mantel,
trim, and connector heat shields to achieve the required
clearances.
• Check the clearance between the chimney con-
nector and the ceiling. If no heat shields are used, the
clearance should be at least 24” (610 mm). To find out
how much this clearance may be reduced with heat
shields, see the clearance chart on Page 14.
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7
Encore Multi-Fuel Heater
T
• The fireplace damper must be sealed to prevent
room air from escaping up the flue. However, it must
be possible to reopen the damper to inspect or clean
the chimney.
Through the Fireplace
If your fireplace opening height is at least 26¹⁄₂"
(675mm), you may install an Encore Multi-Fuel through
the opening using a “positive connection” kit, available
from your local dealer. These positive connection kits
ensure a tight fit between the stove flue collar and the
chimney flue. (Fig. 8)
Fireplace installations, whether connected to the flue
above or through the fireplace opening, have special
clearance requirements to adjacent trim and the mantel.
Floor protection requirements also apply to fireplace
installations. Refer to “Floor Protection” section.
Always adhere to local building codes when installing a
wall pass-through. Figure 9 shows one recommended
method.
All combustible material in the wall must be removed
around the single-wall connector to provide clearance
that is three times the pipe diameter. Any material used
to enclose the opening must be noncombustible.
Figure 9 shows another method of passing a connector
through a wall. All combustible material in the wall is cut
away to provide the required clearance that is 3x the
connector diameter. The resulting space must remain
empty. A flush-mounted sheet metal cover may be used
on one side only. If covers must be used on both sides,
each cover must be mounted on noncombustible spacers at least 25 mm (1”) clear of the wall.
DO NOT CONNECT AN ENCORE MULTI-FUEL TO
ANY AIR DISTRIBUTION SYSTEM.
Flexible Connector
Mantel Shield
Fireplace Adapter
Kit “Positive Connection”
ST245
Fig. 8 In this installation, the chimney connector enters the
firepalce opening and then connects to the chimney.
Wall Pass-Throughs
Whenever possible, design your installation so the connector does not pass through a combustible wall. If you
are considering a wall pass-through in your installation,
check with your building inspector before you begin.
Also, check with the chimney connector manufacturer
for any specific requirements. Some manufacturers
make chimney components that may be used as wall
pass-throughs. If using one of these, make sure it has
been tested and listed for use as a wall pass-through.
8
ST494
Fig. 9 A hollow wall pass-through method.
Hearths
This appliance must be installed on to hearth that
meets the requirements of Part J of the Building Regulations 2000 (Combustion Appliances and Fuel Storage
Systems). This can be achieved by ensuring that the
hearth is constructed and sized in accordance with the
guidelines included in section 2 of approved document
‘J’. The size and clearances of the hearth are as follows:
The constructed hearth should be constructed in accordance with the recommendations in document J,
and should be of minimum width 840 mm and minimum
depth 840 mm (if a free standing hearth b) above) or
a minimum projection of 150 mm from the jamb (if a
recessed hearth a) above).
Unless the stove hearth is completely noncombustible,
the bottom heat shield should be installed to provide
radiant protection for framing which may be below the
hearth. (Fig. 11)
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Costructional Hearth
Dimensions as below
Encore Multi-Fuel Heater
At least 150 mm
or to a suitable
heat resistant wall
Appliance
Doors
Hearth Surface
At least
150 mm
Perimeter should be
clearly marked e.g.
edge of superimposed
hearth
a) Fireplace recess b) Free standing
Fig. 10 Noncombustible hearth surface dimensions.
Wood framing requires protection from radiant heat
Fig. 11 Combustible supporting timbers may lie beneath
fireplace hearths, reqireimg additional floor protection.
Free of Combustible Material
At least
300 mm
ST247e
Floor Protection for Fireplace Installations
Do not assume that your fireplace hearth is completely
noncombustible.
Many fireplace hearths do not meet the “completely
noncombustible” requirement because the brick or
concrete in front of the fireplace opening is supported
by heavy wood framing. (Fig. 11) Because heat passes
through brick or concrete readily, it can easily pass
through to the wood. As a result, such fireplace hearths
can be a fire hazard and are considered a combustible
floor.
Keep in mind, also, that many raised hearths will extend
less than the required clearance from the front of the
heater when it is installed. In such cases, sufficient
floor protection as described above must be added in
front of the hearth to satisfy the minimum floor protector
requirement from the front of the stove: 406 mm (16”)
from the front.
Hearth rugs do not satisfy the requirements for floor
protection.
Appliance
Doors
Perimeter should be
clearly marked e.g.
edge of superimposed
hearth
ST912
Keep the Stove a Safe Distance
from Surrounding Materials
Both a stove and its chimney connector radiate heat in
all directions when operating, and dangerous overheating of nearby combustible materials can occur if they
are too close to the heat. A safe installation requires
that adequate clearance be maintained between the
hot stove and its connector and nearby combustibles.
Clearance is the distance between either your stove
(measured from the bottom edge of the stove’s top
plate) or chimney connector, and nearby walls, floors,
the ceiling, and any other fixed combustible surface.
Your stove has special clearance requirements that
have been established after careful research and testing to both US and European standards. These clearance requirements must be strictly observed.
In addition, furnishings and other combustible materials
must be kept away from the stove as well. In general, a
distance of 1219 mm (48”) must be maintained between
the stove and moveable combustible items such as drying clothes, furniture, newspapers, firewood, etc. Keeping those clearance areas empty assures that nearby
surfaces and objects will not overheat.
Safe Ways to Reduce Clearances
Clearances
As with any solid fuel heating stove, extremely high
surface temperatures can occur, particularly in the
event of uncontrolled operation, e.g. if the doors
are inadvertently left open. It is crucial that sufficient clearances are allowed to any combustible
surfaces, e.g. wooden mantels or lintels, and to
timber framed (studded) walls even if they are faced
with noncombustible board. Detailed information
on fireplace and hearth construction is provided
2000971
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