FMI (V)S36 User Manual

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Residential and Outdoor Wood burning Fireplace OWNER’S OPERATION AND INSTALLATION MANUAL

PFS ®

C US

ICC-ES#ESR-2542

Models (V)S36 Series

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.

Thisfireplaceisapprovedforuseasawoodburningfireplace or for use with a vented gas log approved to ANS Z21.60 or Z21.84 standards or for use with a vent-freegas log heater approved toANS Z21.11.2 standard.AFMI PRODUCTS, LLC hood must be installed when using avent-freelog heater (seeAccessories, page 16).

This wood burning fireplace complies with UL127- CAN/ULS-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 Guidelines.............

12

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

3

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

14

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

4

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

17

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

6

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

17

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

11

 

 

Safety

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury, property damage or loss of life. Refer to this manual for assistance or additional information.

Consultaqualifiedinstaller 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, components, 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 firelogs only. When processed wood fuel firelogsareused,donotpokeor stir the logs while they are burning. Use only fire logs that have beenevaluatedfortheapplication in fireplace and refer to fire log warnings and caution markings on packaging prior to use.

Thisfireplaceisnotintendedtobe used as a substitute for a furnace to heat an entire home. Use for supplemental heat only.

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0" TO

TOP SPACERS

3/4" AIR SPACE BACK AND SIDES

OUTSIDE AIR

(LEFT SIDE ONLY)

0" TO BOTTOM

21

0.625"

41.25"

37"

8"

1"

Specifications

1" AIRSPACE

ELECTRICAL

TO COMBUSTIBLE

OUTLET

RIGHT SIDE

MATERIAL

 

 

 

 

NO COMBUSTIBLE

 

 

MATERIAL ON FACE

 

 

 

7.092"

 

8.717"

 

 

11.217"

 

 

 

LEFT SIDE

 

COMBUSTIBLE

 

 

WALL BOARD

 

 

10.435"

 

 

NOT LESS

 

 

THAN 12"

 

 

TO PERPENDICULAR

 

 

SIDEWALL

8.717"

 

 

HEARTH EXTENSION

14.437"

 

52" X 16"

 

 

8"

 

 

EACH SIDE

 

 

29"

22"

 

14.25" 12.5"

32.5"

41"

ROUND TOP TERMINATION

1"

SQUARE CHASE-TOP21" TERMINATION

35"

41"

GAS LINE KNOCK OUTS

2.5" 8.125"

AIR KIT

KNOCK OUT

GAS LINE KNOCK OUTS

2.5" 8.125"

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3

Fireplace Installation

selecting location

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

1.The location must allow for proper clearances (see Figures 1 and 2).

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

3.A location that avoids the 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 6).

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 5

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 for

Residential Installation

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

Minimum/Maximum Chimney Height for

Outdoor Installation

The minimum height of the chimney, measured from the base of the fireplace to the flue gas outlet of the termination, is 7 1/2 feet (minimum of 4 feet of chimney pipe sections required for outdoor installation).

Framing

1.Frame opening for fireplace using the 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, the fireplace must be installed upon a metal or wood panel extending the 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 the level of the fireplace and shim with sheet metal if necessary.

5.Before securing fireplace to prepared framing, the ember protector (provided) must be placed between the hearth extension (not supplied) 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- type ember protector (not supplied) must be fabricated to fit your required platform height. The ember protector should ex-

tend under fireplace a minimum of 1 1/2".

The 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.

 

 

41.375"

 

41.250"

21.875"

 

 

 

Figure 1 - Framing Dimensions

 

 

17.253"

 

 

MAINTAIN 3/4"

 

 

CLEARANCE AT

 

 

SIDES AND BACK

24.399"

52.183"

OF FIREPLACE

3/4" CLEARANCE

 

NOT REQUIRED AT

NAILING FLANGES

73.798"

Figure 2 - Corner Installation

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Fireplace Installation

Continued

Drain Pan (DP36)

For outdoor installations, the fireplace enclosure must allow for adequate drainage and fresh air ventilation. It is recommended that a sealed, corrosion resistant catch pan with provision for drainage be installed under the fireplace within the fireplace enclosure (see

Accessories on page 16).

Hearth Extension

A hearth extension projecting a minimum of

16" in front of and a minimum of 8" beyond each side of the fireplace opening is required to protect combustible floor construction in front of the 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 the 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 the manufacturer or supplier of the noncombustible material. If the 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 the hearth extension from shifting and seal gap between the fireplace frame and hearth extension with a noncombustible material (see Figure 3).

Fireplace Front

Seal Gap

 

Ember Protector

 

Fireplace Front

 

Raised Hearth

 

Ember Protector

Hearth

 

Extension

Fireplace Front

Seal Gap

Elevated

 

Ember Protector

Figure 3 - Hearth Extension

WARNING:Hearthextension

is to be installed only as shown

in Figure 3.

Mantels

A mantel may be installed if desired (see Figure 4). Woodwork such as wood trims, mantels or any other combustible material projecting from the front face must not be placed within 12" of the fireplace opening.

Combustible materials above 12" and projecting more than 11/2" from the fireplace must not be placed less than 15" from the top opening of the fireplace (NFPA STD 211,

Sec. 7-3.3.3).

Mantels or any other combustible material also may come up to the side edge of the black metal face of the fireplace just as long as the projection from the front face fall within the limit shown in Figure 4.

 

 

Combustible

 

12 1/4" Ref.

Material

 

 

Safe

6"

 

Zone for

Ref.

33°

Projection of

 

Combustible

 

 

 

3" Nom.

Materials

 

 

12" Min.

11/2" Max.

 

9" Min.

Upper

 

 

Section of

 

 

Fireplace

Fireplace Opening

Top View of Fireplace

 

FIREBOX

8.0"

 

33°

2" Max.

SAFE ZONE

3.0"

 

Min. to

Combustible

Perpendicular

Material Must

Side Wall

Not Overlap

12"

Front Face

Figure 4 - Mantel Clearances to

Combustible Material

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Venting Installation

Optional Outside air Kit (Model ak4/ak4f)

The installation of an outside air kit should be performed during the rough framing of the fireplace due to the nature of it's location. Outside combustion air is accessed through a vented crawlspace(AK4F)orthroughasidewall(AK4).

See Figure 22 on page 13 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

 

Eyebrow

Vented Crawl Space

Vent Hood

Required for

(Check Local Codes

Wall Installation

Before Installing in a

 

Vented Crawl Space)

 

Figure 5 - Outside Air Kit

Chimney Pipe

The 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 the lineal gain chart (see Figure 6). Lineal gain is the actual measurable length of a part after two or more partsareconnected.ForCanada,usechimney parts designated "HT".

WARNING: The opening in collar around chimney at top of fireplace must not be obstructed. Never use blown insulation to fill chimney enclosure.

LINEAL GAIN

PART NO.

DESCRIPTION

GAIN

36"

Fireplace

40"

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"*

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"*

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

ETLO-8DM

Square Chase-Top

12" to

with Mesh & Slip

25 1/2"*

 

Section

 

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

12 3/8" Galvanized

Outer Pipe

8" Stainless

Hemmed

End

Inner Pipe

 

Figure 6 - Lineal Gain

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. The pipe sections must be assembled independently as the chimney is installed.

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Venting Installation

Continued

Whenconnectingchimneydirectlytothefireplace, the inner flue pipe section must be installed first with the lanced side up. The outer pipe section canthenbeinstalledoverthefluepipesectionwith the hemmed end up. Press down on each pipe section until the lances securely engage the hem on the fireplace starter. The wire will assure the proper spacing between the inner and outer pipe

sections. Continue to assemble chimney sections as outlined, making sure that both the inner and outer pipe sections are locked together. When installing double wall snap-lockchimney together, itisimportanttoassurethejointbetweenthechimney sections is locked. Check by pulling chimney upward after locking. The chimney will not come apart if properly locked. It is not necessary to add screws to keep the chimney together (exception - see Figure 9, page 8).

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 and Figure 7).

2.Chimney weight above offset rests on return elbow. Straps must be securely nailed to rafters or joists (see Figure 8, details A and B on page 8).

3.Maximumlengthofpipebetweensupports

(return elbow or 12S-8DM)is 6' of angle run. Maximum of two 6' angle run sections per chimney system (see Figure 7).

4.All pipe connections between offset and return must be secured with two screws on outer pipe only (see Figure 9, page 8). Do not penetrate inner stainless.

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

 

 

33"

66"

1

 

 

 

 

 

1

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

 

 

 

 

 

 

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)

Return

 

 

Return

 

Elbow

 

 

Elbow

 

Offset

Offset

 

Return

 

Elbow

 

Elbow

 

Elbow

6' Max.

 

6' Max.

Ceiling

 

 

 

Return

 

 

Support Pipe

 

Return

 

12S-8DM

6' Max.

Elbow

 

 

Elbow

 

 

 

6' Max.

Offset

Offset

 

 

 

Offset

Elbow

6' Max. Elbow

6' Max.

 

 

 

Elbow

 

 

 

A

 

B

C

Figure 7 - Typical Offset Terminations

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Venting Installation

 

 

Continued

 

 

See Detail A

 

 

2" Min.

Straps

Straps

 

Detail B

 

Angle Firestop

See Detail B

Existing

Ceiling

Frame

Firestop Spacer

Screws or Staples (Min. of 8)

 

 

Figure 10 - Firestop Spacer with Living

 

 

 

Space Above Ceiling

Straps

 

Firestop

Screws or Staples

Straps

(Min. of 8)

 

Spacer

 

 

 

 

Detail A

Existing

Return Elbow

Ceiling

Figure 8 - Ceiling Support Pipe

Frame

 

12S-8DM

 

Screws

B

A

Figure 9 - Elbow Offset

Firestop Spacers (3600FS-8DM-1)

Firestop spacers are required at each point where the chimney penetrates a floor space.

Their purpose is to establish and maintain the required clearance between the chimney and the combustible materials. When the pipe passes through a framed opening into a living space above, the firestop must be placed onto the ceiling from below as shown in Figure 10.

They also provide complete separation from one floor space to another or attic space as required by most codes. When the double wall pipe passes through a framed opening into an attic space, the firestop must be placed into an attic floor as shown in Figure 11.

Figure 11 - Firestop Spacer with Attic Space Above Ceiling

Penetrating roof

To maintain a 1" clearance to the pipe on a roof with a pitch, a rectangular opening must be cut.

1.Determine center point through which pipe will penetrate roof.

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

3.Use roof opening chart (Figure 12, page 9) to determine the correct opening length and flashing required.

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

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

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Venting Installation

Continued

Minimum Measurements

 

14 3/8"

 

 

(36.5 cm)

1"

30"

 

 

(2.5

(76.2 cm)

 

cm)

1"

 

 

 

 

(2.5 cm)

 

1"

 

 

(2.5

 

 

cm)

 

 

 

Opening "A"

Storm Collar Installation (SC1 or SC2)

Place storm collar over pipe and slide down until it is snug against the open edge of the flashing (see Figure 14). Use SC1 for all round terminations and SC2 for all terminations with slipsections.Applywaterproofcaulkaroundthe perimeter of the collar to provide a proper seal.

Chimney

Waterproof

Pipe

Caulk

Storm

Flashing

Collar

Pitch

Slope

Opening "A"

Used Flashing

 

 

Max.

Model No.

Flat

15"

V6F-8DM

0-6/12

26.6°

16 1/8"

V6F-8DM

6/12-

45.0°

20 3/8"

V12F-8DM

12/12

 

 

 

Figure 12 - Roof Opening Measurements

Flashing installation (v6f-8dmorv12f-8dm)

Determine the flashing to be used with the 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 13). 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 the flashingandroof.Theflashingmustbesecured to the roof using #8 x 3/4" screws and then sealed with roof coating to prevent leakage throughscrewholes.Aroofcoatingmustalsobe applied around perimeter of flashing to provide a proper seal.

Storm Collar

Overlap

Flashing

Shingles Top

and Sides Only

Cone

 

Nail Only

Outer

Perimeter

of Flashing

Figure 14 - Storm Collar

Terminations/Spark Arrestor

The fireplace system must be terminated with the listed round top or chase terminations. In any case, refer to the installation instructions supplied with the termination. The termination approvedforthisfireplacearetheRT-8DMand

RTL-8DMthatcanbeusedforflashingorchaseandET-8DM,ETO-8DM,ETL-8DMandETLO-8DMforchasestyleterminationonly.Figure15 shows anRTL-8DMround top termination.

CAUTION: Do not seal openingsontherooftopflashing.Follow the installation instructions provided with the termination being used.

Attach Bracket

RTL-8D

Tabs to

Outer Pipe

Level of

(3 Places)

Flue Gas

Secure with

Outlet

Screws

Caulk

Overlap

Collar

Shingles Top

and Sides

Flashing

 

 

Underlap

Underlap Shingles

Shingles

Bottom Only

at Bottom

 

Figure 13 - Flashing Installation

Figure 15 - Termination

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Venting Installation

Continued

Terminations with 16" slip pipe sections are available. The RTT-8DMandRTTL-8DMare approved for flashing installations. When needed, these adjustable terminations may be used in combination with the pipe assembly to achieve the correct chimney height.

Note: In the rare instance there is a problem with the side driven rain or wind or the chimney is not drafting properly, anADS-8DM(Anti-DraftShield) can be used with round terminations.

Chase installations

Instructions for chase installations are included with the chase style termination chosen. In a multiple chase installation, be sure to provide adequate distance between terminations to prevent smoke spillage from one termination to another. We suggest that terminations be separated at least 24", center to center and stacked at a vertical height difference of 18" (see Figure 16).

Note: If a decorative shroud is to be installed, contact the manufacturer for specifications.

18"

Min.

Typ.

24" Min.

24" Min.

10 foot rule

All flue gas outlet chimney terminations must extend a minimum of 3 feet in height above the highest point where it passes through the roof and must be at least 2 feet above the highest point of the roof that is within a horizontal distance of 10 feet (see Figure 17).

Level of

10' Flue Gas

Outlet

10'

2' Min.

3' Min.

 

2' Min.

3' Min.

 

Figure 17 - 10 Foot Rule

finishing fireplace

Combustible materials, such as wallboard, gypsum board, sheet rock, drywall, plywood, etc.maymakedirectcontactwithsidesandtop around the fireplace face. It is important that combustible materials do not overlap the face itself. Brick, glass, tile or other noncombustible materials may overlap the front face provided they do not obstruct essential openings like louvered slots or any other opening. When overlapping with a noncombustible facing material, use only noncombustible mortar or adhesive.

Figure 16 - Multiple Chase Installation

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