FMI (V)B42L User Manual

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WOOD BURNING FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

PFS ®

C US

ICC-ES#ESR-2542

MODELS (V)B42, (V)B42I, (V)B42L AND (V)B42LI

SAVE THIS BOOK

This book is valuable. In addition to instructing you on how to install and maintain your appliance, it also contains information that will enable you to obtain replacement parts or accessory items when needed. Keep it with your other important papers.

This fireplace is approved for use as a wood burning fireplace or for use with a vented gas log approved to ANS Z21.60 or Z21.84 standards or for use with a vent-freegas logheaterapprovedtoANSZ21.11.2standard.AFMIPRODUCTS, LLC hood must be installed when using avent-freelog heater (see , page 18).

This wood burning fireplace complies with UL127- CAN/ULC-S610-M87standard as a FACTORY BUILT

APPLIANCE.

FOR CANADA: The authority having jurisdiction (such as the municipal building department, fire department, etc.) should be contacted before installation to determine the need to obtain a permit.

INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.

For more information, visit www.fmiproducts.com

TABLE OF CONTENTS

Safety...................................................................

2

Operation and Maintenance...............................

14

Specifications.......................................................

3

Technical Service...............................................

15

Fireplace Installation............................................

4

Replacement Parts.............................................

15

Venting Installation...............................................

7

Parts...................................................................

16

Optional Gas Line Installation............................

13

Accessories........................................................

18

SAFETY

WARNING: Improper installation, adjustment, alteration, service or maintenance can causeinjury,propertydamageor loss of life. Refer to this manual for assistance or additional information. Consult a qualified installer or local distributor.

IMPORTANT: Check local codes before installing this fireplace.

Before beginning installation of this fireplace, read these instructions through completely.

This FMI PRODUCTS, LLC fireplace and its components are safe when installed according to this installation manual. Unless you use FMI PRODUCTS, LLC components, which have been designed and tested for the fireplace system, you may cause a fire hazard.

The FMI PRODUCTS, LLC warranty will be voided by and FMI PRODUCTS, LLC disclaims any responsibility for the following actions.

a.Modification of the fireplace, com - ponents, doors, air inlet system and damper control.

b.Use of any component part not manufactured or approved by FMI PRODUCTS,

LLC in combination with a FMI PRODUCTS, LLC fireplace system.

Proper installation is the most important step in ensuring safe and continuous operation of fireplace. Consult the local building codes as to the particular requirements concerned with the installation of all factory built fireplaces.

WARNING: Do not install a fireplaceinsertinthisboxunless the manufacturer's instructions with the insert specifically state thisfireplacehasbeentestedfor use with this insert.

FOR YOUR SAFETY

Do not store or use gasoline oranyotherflammablevapors or liquids in the vicinity of this or any other appliance.

Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.

Do not place clothing or other flammablematerialsonornear the appliance.

Never leave children unattended when a fire is burning in the fireplace.

WARNING: Use solid wood or processed solid fuel fire logs only. When processed wood fuel fire logs are used, do not poke or stir the logs while they are burning. Use only fire logs that have been evaluated for the application in fireplace and refer to fire log warnings and caution markings on packaging prior to use.

This fireplace is not intended to be used as a substitute for a furnace to heat an entire home. Use for supplemental heat only.

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109036-01M

0" TO

TOP SPACERS

3/4" AIR

SPACE

BACK

AND

SIDES

OUTSIDE AIR (LEFT SIDE ONLY)

0" TO BOTTOM

21.125"

0.625"

37.5"

33"

6.5"

1"

SPECIFICATIONS

1" AIRSPACE

TO COMBUSTIBLE MATERIAL

 

GAS LINE

RIGHT SIDE

 

KNOCK OUTS

 

 

NO COMBUSTIBLE

 

 

MATERIAL ON FACE

 

 

 

 

8.25"

 

COMBUSTIBLE

 

7"

 

WALL BOARD

 

 

 

 

AIR KIT

GAS LINE

 

 

KNOCK OUTS

 

 

KNOCK OUT

 

 

NOT LESS

LEFT SIDE

 

 

 

 

THAN 14" TO

 

 

 

PERPENDICULAR

 

 

SIDEWALL

 

 

 

HEARTH

10.375"

8.25"

 

EXTENSION

 

 

 

 

12"

66" X 20"

 

 

 

 

7"

EACH SIDE

 

 

 

 

 

13"

28.5"

 

25.375"

 

 

 

 

14.438"

 

14"

 

 

44"

 

38.85"

1.375"

 

 

 

ROUND TOP TERMINATION

1"

32"

 

SQUARE CHASE-TOP

21.5"

TERMINATION

42"

44"

1.75"

 

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3

FIREPLACE INSTALLATION

SELECTING LOCATION

To determine safest and most efficient location for fireplace, you must take into consideration the following guidelines:

1.Location must allow for proper clearances

(see Figures 1 and 2).

2.Consider a location where fireplace will not be affected by drafts, air conditioning ducts, windows or doors.

3.A location that avoids cutting of joists or roof rafters will make installation easier.

4.An outside air kit is available with this fireplace (see Optional Outside Air Kit on page 7).

MINIMUM CLEARANCE TO

COMBUSTIBLES

Back and sides of fireplace

3/4" minimum*

Floor**

0" minimum

Perpendicular wall to opening

12" minimum

Top spacers

 

0" minimum

Mantel clearances

see Mantels, page 6

Chimney outer pipe surface

1" minimum

* Not required at nailing flanges

 

** See step 2 of Framing

 

 

WARNING: Do not pack required air spaces with insulation or other materials.

Minimum/Maximum Chimney Height

Minimum height of chimney, measured from base of fireplace to flue gas outlet of termination, is 14.5 feet for straight flue or a flue with one elbow set. Maximum distance between elbows is 6 feet. For systems with two elbow sets, minimum height is 22 feet. Maximum height of any system is 50 feet. This measurement includes fireplace, chimney sections and height of termination assembly at level of flue gas outlet (see Figure 18, page 11).

FRAMING

1.Frame opening for fireplace using dimensions shown in Figures 1 and 2.

2.If fireplace is to be installed directly on carpeting, tile (other than ceramic) or any combustible material other than wood flooring, fireplace must be installed upon a metal or wood panel extending full width and depth of fireplace.

3.Set fireplace directly in front of this opening and slide unit back until nailing flanges touch side framing.

4.Check level of fireplace and shim with sheet metal if necessary.

5.Before securing fireplace to prepared framing, ember protector must be placed between hearth extension (not included) and under bottom front edge of fireplace to protect against glowing embers falling through. If fireplace is to be installed on a raised platform, a Z-typeember protector (not included) must be fabricated to fit your required platform height. Ember protector should extend under fireplace a

minimum of 1 1/2". Ember protector should be made of galvanized sheet metal (28 gauge minimum) to prevent corrosion.

6.Using screws or nails, secure fireplace to framing through flanges located on sides of fireplace.

 

37.625"

44.25"

22"

Figure 1 - Framing Dimensions

Maintain 3/4"

Clearance at

15 7/8" Sides and

Back of

Fireplace 22 1/2" 521/2"

3/4" Clearance Not Required at Nailing Flanges

72 7/8"

Figure 2 - Corner Installation

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FIREPLACE INSTALLATION

HEARTH EXTENSION

A hearth extension projecting a minimum of 20" in front of and a minimum of 12" beyond each side of fireplace opening is required to protect combustible floor construction in front of fireplace. Fabricate a hearth extension using a material which meets the following specifications: a layer of noncombustible, inorganic material having a thermal conductivity of K=0.84 BTU IN/FT, HR. F (or less) at 1" thick. For example, if material selected has a K factor of 0.25, such as glass fiber, the following formula would apply:

0.25 x 1.0" = 0.30" thickness required

0.84

Thermal conductivity "K" of materials can be obtained from manufacturer or supplier of noncombustible material. If hearth extension is to be covered, use noncombustible material such as tile, slate, brick, concrete, metal, glass, marble, stone, etc. Provide a means to prevent hearth extension from shifting and seal gap between fireplace frame and hearth extension with a noncombustible material

(see Figure 3).

WARNING:Hearthextension

is to be installed only as shown

in Figure 3.

Seal Gap

Fireplace Front

Ember Protector

NO

 

Do Not Block Louver

Hearth

 

Extension

Fireplace Front

Seal Gap

Elevated

 

Ember Protector

Hearth Extension, Circulating Modes

Fireplace Front

Seal Gap

 

Ember Protector

 

Fireplace Front

 

Raised Hearth

 

Ember Protector

Hearth

 

Extension

Fireplace Front

Seal Gap

Elevated

 

Ember Protector

Hearth Extension, Noncirculating Models

Figure 3 - Hearth Extension

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5

Sheet
Metal
Screws

FIREPLACE INSTALLATION

Continued

MANTELS

A mantel may be installed if desired (see Figure 4). Woodwork such as wood trims, mantels or any other combustible material projecting from front face must not be placed within 12" of fireplace opening (and within 9" of top louver opening). Combustible materials above 12" and projecting more than 1 1/2" from fireplace must not be placed less than

12" from top opening of fireplace (NFPA STD

211, Sec. 7-3.3.3).

Mantels or any other combustible material may come up to side edge of black metal face of fireplace if projection from front face falls within limits shown in Figure 5.

 

12 1/4" Ref.

Combustible

 

 

 

Material

6"

 

 

Safe Zone For

 

 

Projection of

Ref.

33°

Combustible

 

Materials

 

 

 

 

 

3" Nom.

*Note: Drawing

 

 

 

Not To Scale

15"

 

1 1/2"

 

Min.

 

 

 

9" Max.

 

 

 

 

 

12"

Min.

 

 

Min.

Top of

 

 

 

Upper Section

 

 

Louvered

 

 

of Circulating

 

 

Opening

 

 

Fireplace

 

 

 

Fireplace Opening

 

Figure 4 - Mantel Clearances to

 

Combustible Material

 

 

 

FIREBOX

Top View of Fireplace

 

 

 

 

0.625" Max.

8"

SAFE ZONE

1"

33°

 

 

 

 

 

Min. 12" from Perpendicular Side Wall

Figure 5 - Side Mantel Clearance

FAN/BLOWER KIT ASSEMBLY

Fan or blower kit is optional with this fireplace (for circulating models only). Use of blowers or fans other than those manufactured by

FMI PRODUCTS, LLC voids warranty. Fan is operated by pressing rocker switch (see Figure 6) in lower right hand corner of fireplace face. Blower is operated by turning control knob (not shown).

Fan/blower kit electrical connections are made through electrical cover plate on side of fireplace a shown in Figure 6.

Rocker

Electrical

Electrical

Switch

Bushing

Cover

 

 

Plate

Electrical

Wire Nut (3x)

Outer Wrapper

(Not Supplied) of Fireplace

Housing

 

Power Source Wiring

 

 

 

 

(Not Supplied)

 

 

To Power

 

 

Source

 

 

Electrical Cover

Receptacle

Plate and

Electrical Bushing

(Supplied)

Fireplace Chassis

Prewired Receptacle

Ground

and Ground

 

Figure 6 - Fan Switch-ElectricalBushing

Wiring Instructions

1.Remove electrical cover plate with bushing from fireplace by removing 2 sheet metal screws as shown in Figure 6.

2.Slide power source wiring through electrical bushing opening and electrical cover plate and make all necessary connections.

3.Slide all wiring connections in electrical housing as shown in Figure 6.

4.Secure electrical cover plate with screws previously removed.

Note: Electrical housing and cover plate have sharp edges. Wear protective gloves.

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VENTING INSTALLATION

OPTIONAL OUTSIDE AIR KIT (MODEL AK4/AK4F)

Installation of outside air kit should be performed during rough framing of fireplace due to the nature of it's location. Outside combustion air is accessed through a vented crawl space (AK4F) or through a sidewall (AK4).

See Figure 24 on page 15 for instruction of operating air kit.

CAUTION: Combustion air inlet ducts shall not terminate in attic space.

The maximum height for the air vent can not exceed 3 feet below the flue gas outlet of the termination.

Secure to Collars with Metal Tape, Screws or Straps (Min. of 1/4" x 20" in size)

 

Air Inlet

 

Location

 

Must Allow

 

For Bushes

 

or Snow

 

Air Inlet

Vented Crawl Space

Eyebrow

 

Vent Hood

(Check Local Codes

Required for

Before Installing in a

Wall Installation

Vented Crawl Space)

 

Figure 7 - Outside Air Kit

CHIMNEY PIPE

FMI PRODUCTS, LLC chimney system consists of 12", 18", 24", 36" and 48" snaplock, double-wallpipe segments, planned for maximum adaptability to individual site requirements. Actual lengths gained after fitting overlaps must be taken into consideration (lineal gain) and are given in lineal gain chart (see Figure 8).

Lineal gain is actual measurable length of a part after two or more parts are connected.

WARNING: The opening in collar around chimney at top of fireplacemustnotbeobstructed. Neveruseblowninsulationtofill chimney enclosure.

12 3/8" GalvanizedOuter Pipe

 

 

 

 

 

 

Hemmed

8" Stainless

 

 

 

 

 

End

 

 

 

 

 

 

Inner Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINEAL GAIN

 

PART NO.

DESCRIPTION

GAIN

36"

 

 

Fireplace

37 1/2"

12-8DM

 

Pipe Section

10 5/8"

12-8HT

 

 

 

 

 

 

 

18-8DM

 

Pipe Section

16 5/8"

18-8HT

 

 

 

 

 

 

 

24-8DM

 

Pipe Section

23 5/8"

24-8HT

 

 

 

 

 

 

 

36-8DM

 

Pipe Section

34 5/8"

36-8HT

 

 

 

 

 

 

 

48-8DM

 

Pipe Section

46 5/8"

48-8HT

 

 

 

 

 

 

 

RT-8DM

Round Termination

6 7/8"*

RTL-8DM

Round Termination

7 3/4"*

RLT-8DM

Round Termination

7 1/2"*

RTT-8DM

Round Termination

6 7/8" to

with Slip Section

23 1/8"*

 

RTTL-8DM

Round Termination

8 1/2" to

with Slip Section

21 1/2"*

 

RLTT-8DM

Round Termination

7 1/2" to

with Slip Section

21 1/4"*

 

ET-8DM

Square Chase-Top

12"*

ETO-8DM

Square Chase-Top

12"*

 

 

with Mesh

 

ETL-8DM

Square Chase-Top

7" to 15"*

 

with Slip Section

 

 

Square Chase-Top

12" to

ETLO-8DM

with Mesh & Slip

25 1/2"*

 

 

 

Section

 

 

 

 

* The lineal gain for the terminations is measured to the flue gas outlet height.

Figure 8 - Lineal Gain

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7

VENTING INSTALLATION

Continued

ASSEMBLY AND INSTALLATION OF DOUBLE WALL CHIMNEY SYSTEM

Each double wall chimney section consists of a galvanized outer pipe, a stainless steel inner flue pipe and a wire spacer. Pipe sections must be assembled independently as chimney is installed. When connecting chimney directly to fireplace, inner flue pipe section must be installed first with lanced side up. Outer pipe section can then be installed over flue pipe section with hemmed end up.

Press down on each pipe section until lances securely engage hem on fireplace starter.

Wire will assure proper spacing between inner and outer pipe sections.

Note: For Canada, use chimney parts designated HT.

Opening in collar around chimneyattopoffireplacemust not be obstructed. Never use blown insulation to fill chimney enclosure.

Continue to assemble chimney sections as outlined, making sure that both inner and outer pipe sections are locked together. When

installing double wall snap-lockchimney together, it is important to assure joint between chimney sections is locked. Check by pulling chimney upward after locking. Chimney will not come apart if properly locked. It is not necessary to add screws to keep chimney together (exception - see Figure 11, page 9).

USING ELBOW OFFSETS (30E-8DM)

1.To achieve desired offset, you may install combinations of 12", 18", 24", 36" and

48" length of double wall pipe (see offset chart, page 7, and Figure 9).

Note: For systems with 2 elbow sets, minimum height is 22 feet. Maximum height for any system is 50 feet.

2.Chimney weight above offset rests on return elbow. Straps must be securely nailed to rafters or joists (see Figure 10, details A and B, page 9).

3.Maximum length of pipe between supports

(return elbow or 12S-8DM)is 6' of angle run. Maximum of two 6' angle run sections per chimney system (see Figure 9).

4.All pipe connections between offset and return must be secured with two screws on outer pipe only (see Figure 11, page 9). Do not penetrate inner stainless.

 

Return

 

Return

 

 

 

Elbow

 

 

Elbow

 

 

 

 

 

 

Offset

 

Offset

Return

 

Elbow

 

Elbow

 

6' Max.

Elbow

 

 

6' Max. Ceiling

 

 

 

 

 

 

Return

Support Pipe

 

 

 

Elbow

12S-8DM

6' Max.

Return

6' Max.

Offset

Offset

 

 

Elbow

Elbow

 

Elbow

Offset

6' Max.

 

6' Max.

 

Elbow

 

 

 

 

A

B

 

C

Figure 9 - Typical Offset Installation

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VENTING INSTALLATION

Continued

See Detail A

Ceiling Support

Pipe 12S-8DM

2" Min.

See Detail B

Straps

 

 

Straps

Straps

 

 

Straps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detail A

 

 

 

 

 

Detail B

 

 

 

 

 

 

Return Elbow

 

 

 

 

Angle

 

 

 

 

 

 

 

 

 

 

 

 

 

Firestop

 

 

 

 

 

 

 

 

 

 

Figure 10 - Ceiling Support Pipe 12S-8DM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFFSET

RISE

 

CHIMNEY LENGTH

 

 

 

 

 

 

 

A

B

48"

36"

24"

18"

12"

 

 

 

 

 

 

 

4 3/8"

16 3/8"

 

ELBOW SET ONLY

 

 

 

 

 

 

 

9 3/4"

25 1/2"

 

 

 

 

 

1

 

 

 

 

 

 

 

12 3/4"

30 3/4"

 

 

 

 

1

 

 

 

 

 

 

 

 

15"

34 3/4"

 

 

 

1

 

 

 

 

 

 

 

 

 

18"

40"

 

 

 

 

1

1

 

 

 

 

 

 

 

21 1/4"

46 1/4"

 

 

1

 

 

 

 

 

 

 

 

 

 

23 3/4"

49 1/4"

 

 

 

1

1

 

 

 

 

 

 

 

 

27 3/4"

56 3/4"

 

1

 

 

 

 

 

 

 

 

 

 

 

30"

60 3/4"

 

 

1

 

1

 

 

Screws

 

 

33"

66"

 

1

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

B

 

36"

71"

 

1

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38 1/4"

75"

 

 

2

 

 

 

 

 

 

 

 

 

 

41 1/4"

80 1/4"

 

 

1

 

1

1

 

 

 

 

 

 

 

45"

86 3/4"

 

 

2

 

 

 

 

 

 

 

 

 

 

46 3/4"

89 1/2"

 

1

 

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51"

97"

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53 1/4"

101"

 

 

2

 

1

 

 

 

 

 

 

 

 

56 1/4"

106 1/4"

 

2

 

 

 

 

 

 

A

 

 

59 1/4"

111 1/2"

 

1

1

 

1

 

 

 

 

 

 

 

 

61 3/4"

115 1/2"

 

2

 

 

 

1

 

 

 

 

 

 

 

64 3/4"

120 3/4"

 

2

 

 

1

 

 

 

 

 

 

 

 

68 1/4"

127"

 

1

2

 

 

 

 

 

 

 

 

 

 

70"

130"

 

2

 

 

1

1

 

 

 

 

 

 

 

74 1/4"

137 1/2"

 

1

2

 

 

1

 

 

 

 

 

 

 

76 3/4"

141 1/2"

 

1

2

 

1

 

 

 

 

 

 

 

 

79 3/4"

146 3/4"

 

 

4

 

 

 

 

 

 

 

 

 

OFFSET CHART (22-50FT. SYSTEM HEIGHT)

Figure 11 - Elbow Offset

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9

VENTING INSTALLATION

Continued

FIRESTOP SPACERS (3600FS-8DM-1)

Firestop spacers are required at each point where chimney penetrates a floor space. Their purpose is to establish and maintain required clearance between chimney and combustible materials. When pipe passes through a framed opening into a living space above, firestop must be placed onto ceiling from below as shown in Figure 12.

They also provide complete separation from one floor space to another or attic space as required by most codes. When double wall pipe passes through a framed opening into an attic space, firestop must be placed into an attic floor as shown in Figure 13.

If area above is a living space, install firestop below framed hole.

4.Remove shingles around opening measured. Cut out this section.

5.Add next sections of pipe until end penetrates roof line. Check to see that proper clearances are maintained. Extend chimney by adding sections of double wall pipe until pipe is minimum of 30" above highest point of roof cutout. Termination and chimney must extend a minimum of 36" above highest point where it passes through roof.

Minimum Measurements

 

16 3/8"

 

(48.3 cm)

30"

2"

(76.2 cm)

(5.1

2"

cm)

(5.1 cm)

 

2"

 

(5.1

 

cm)

 

Opening "A"

Figure 12 - Firestop Spacer with Living Space Above Ceiling

If area above is an attic or insulated area, install firestop above framed hole.

Figure 13 - Firestop Spacer with Attic Space Above Ceiling

PENETRATING ROOF

To maintain a 2" clearance to pipe on a roof with a pitch, a rectangular opening must be cut.

1.Determine center point where pipe will penetrate the roof.

2.Determine center point of the roof. Pitch is the distance the roof drops over a given span, usually 12".A6/12 pitch means that the roof drops 6" for each 12" measure horizontally down from roof rafters.

3.Use roof opening chart (Figure 14) to determine correct opening length and flashing required.

Pitch

Slope

Opening

Used Flashing

 

 

"A" Max.

Model No.

Flat

15"

V6F-8DM

0-6/12

26.6°

16 1/8"

V6F-8DM

6/1212/12

45.0°

20 3/8"

V12F-8DM

Figure 14 - Roof Opening Measurements

FLASHING INSTALLATION (V6F-8DMORV12F-8DM)

Determine flashing to be used with roof opening chart. Slide flashing over pipe until base is flat against roof. Replace as many shingles as needed to cover exposed area and flashing base. Secure in position by nailing through shingles (see Figure 15, page 11). DO NOT NAIL THROUGH FLASHING CONE.

Installing Flashing on a Metal Roof

When installing flashing on a metal roof, it is required that putty tape be used between flashing and roof. Flashing must be secured to roof using #8 x 3/4" screws and then sealed with roof coating to prevent leakage through screw holes. A roof coating must also be applied around perimeter of flashing to provide a proper seal.

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