Monessen Hearth CR, CL)NVC-PVC, PF, 624DVST User Manual

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Monessen Hearth CR, CL)NVC-PVC, PF, 624DVST User Manual

Designer Series Direct Vent Gas Fireplace

Model:

624dv(ST,PF,CR,CL)NVC/PVC,

NEC/PEC

WARNING

If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

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

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediatelycallyourgassupplierfromaneighbor's phone. Follow the gas supplier's instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WARNING: Improper installation, adjustment, alteration, services or maintenance can cause injury or property damage.Refertothismanual.Forassistanceoradditional information consult a qualified installer, service agency or the gas supplier.

This appliance may be installed in an aftermarket*, permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.

Installation and Operating

Instructions

DUE TO HIGH TEMPERATURES, THE APPLIANCE SHOULD BE LOCATED OUT OF TRAFFIC AND AWAY FROM FURNITURE AND DRAPERIES.

CHILDRENANDADULTSSHOULDBEALERTED TO THE HAZARDS OF HIGH SURFACE TEMPERATUREAND SHOULD STAYAWAY TO AVOID BURNS OR CLOTHING IGNITION.

YOUNG CHILDREN SHOULD BE SUPERVISED

WHEN THEYARE IN THE SAME ROOMAS THE APPLIANCE.

CLOTHINGOROTHERFLAMMABLEMATERIAL SHOULD NOT BE PLACED ON OR NEAR THE APPLIANCE.

Keep the room area clear and free fromcombustiblematerials,gasoline, and other flammable vapors and liquids.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

42D0200 2/10 Rev. 14

Designer Series Gas Fireplaces

CONTENTS

Thank you and congratulations on your purchase of a Monessen Fireplace.

PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE!

IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty.

Important Safety Information.......................................

3

Code Approval...............................................................

4

Product Features...........................................................

5

High Elevations.........................................................

5

Gas Pressures..........................................................

5

Gas Specifications & Orifice Sizes...........................

5

Before You Start.......................................................

5

Fireplace & Framing Dimensions ..............................

6

Fireplace Dimensions...............................................

6

Peninsula Fireplace Framing....................................

7

Corner Fireplace Framing.........................................

7

See Through Fireplace Framing...............................

8

Clearances.....................................................................

9

Installation Information..............................................

10

Fireplace Location..................................................

11

Secure Fireplace....................................................

11

Optional Top Vent Application...................................

12

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

13

Installation Precautions..........................................

13

Installation Clearances...........................................

14

Installation Planning...............................................

15

Installation for Vertical Termination.........................

15

Termination Location..............................................

16

How to Use the Vent Graph....................................

17

Rear Wall Vent Installation......................................

18

Horizontal Termination Configuration......................

20

Below Grade Installation.........................................

22

Vertical Through-the-Roof Installation....................

23

Installation for Vertical Termination.........................

24

Flat Ceiling Installation...........................................

24

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

26

Check Gas Type.....................................................

26

Installing Gas Piping...............................................

26

Checking Gas Pressure..............................................

28

Electrical Installation..................................................

28

Electrical Wiring......................................................

28

Remote Wall Switch................................................

29

Electronic Pilot Ignition..............................................

30

Remote Wall Switch................................................

30

Glass Removal............................................................

31

Log Placement.............................................................

32

Air Restrictor Adjustment..........................................

35

Operating Instructions................................................

36

What To Do If You Smell Gas.................................

36

Lighting Pilot for the First Time...............................

36

Lighting Pilot...........................................................

37

Lighting Burner.......................................................

38

To Turn Off Gas......................................................

38

Cleaning and Maintenance.........................................

39

Venting System.......................................................

39

Cleaning Glass.......................................................

39

Pilot and Burner Flames.........................................

39

Firebox Cleaning....................................................

39

Troubleshooting..........................................................

40

Blower..........................................................................

42

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

43

Massachusetts Residents Only.................................

50

Warranty.......................................................................

51

Efficiencies..................................................................

52

42D0200

IMPORTANT SAFETY INFORMATION

Designer Series Gas Fireplaces

INSTALLER

Please leave these instructions with the owner.

OWNER

Please retain these instructions for future reference.

 

WARNING

Read this owner’s manual carefully and completely before trying to assemble, operate,

 

or service this fireplace.

 

 

 

 

Any change to this fireplace or its controls can be dangerous.

 

 

Improper installation or use of this fireplace can cause serious injury or death from

 

 

fire, burns, explosions, electrical shock and carbon monoxide poisoning.

 

 

 

This fireplace is a vented product. This fireplace must be properly installed by a qualified service person. The glass door must be properly seated and sealed. If this unit is not properly installed by a qualified service person with glass door properly seated and sealed, combustion leakage can occur.

CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, the fireplace may not have been installed properly. Get fresh air at once! Have the fireplace inspected and serviced by a qualified service person. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Propane/LP gas and natural gas are both odorless. An odor-making agent is added to each of these gases. The odor helps you detect a gas leak. However, the odor added to these gases can fade. Gas may be present even though no odor exists.

Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this fireplace.

1.This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases unless a certified kit is used.

2.For propane/LP fireplace, do not place propane/LP supply tank(s) inside any structure. Locate propane/ LP supply tank(s) outdoors. To prevent performance problems, do not use propane/LP fuel tank of less than 100 gal. capacity.

3.If you smell gas

shut off gas supply.

do not try to light any appliance.

do not touch any electrical switch; do not use any phone in your building .

immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

4.Never install the fireplace

in a recreational vehicle

where curtains, furniture, clothing, or other flammable objects are less than 42" from the front, top, or sides of the fireplace

in high traffic areas

in windy or drafty areas

5.This fireplace reaches high temperatures. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace will remain hot for a time after shutdown. Allow surfaces to cool before touching.

6.Carefully supervise young children when they are in the room with fireplace.

7.Do not modify fireplace under any circumstances. Any parts removed for servicing must be replaced prior to operating fireplace.

8.Turn fireplace off and let cool before servicing, installing, or repairing. Only a qualified service person should install, service, or repair the fireplace. Have burner system inspected annually by a qualified service person.

9.You must keep control compartments, burners, and circulating air passages clean. More frequent cleaning may be needed due to excessive lint and dust from carpeting, bedding material, pet hair, etc. Turn off the gas valve and pilot light before cleaning fireplace.

10.Have venting system inspected annually by a qualified service person. If needed, have venting system cleaned or repaired. Refer to Cleaning and Maintenance, page 41.

11.Keep the area around your fireplace clear of combustible materials, gasoline, and other flammable vapor and liquids. Do not run fireplace where these are used or stored. Do not place items such as clothing or decorations on or around fireplace.

12.Do not use this fireplace to cook food or burn paper or other objects.

13.Never place anything on top of fireplace.

42D0200

Designer Series Gas Fireplaces

IMPORTANT SAFETY INFORMATION and code approval

14.Do not use any solid fuels (wood, coal, paper, cardboard, etc.) in this fireplace. Use only the gas type indicated on rating plate.

15.This appliance, 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, or the Canadian Electrical Code, CSA C22.1.

16.Do not obstruct the flow of combustion and ventilation air in any way. Provide adequate clearances around air openings into the combustion chamber along with adequate accessibility clearance for servicing and proper operation.

17.When the appliance is installed directly on carpeting, tile or other combustible material other than wood flooring, you must set appliance on a metal or wood panel or hearth pad extending the full width and depth of the appliance.

18.Do not use fireplace if any part has been exposed to or under water. Immediately call a qualified service person to arrange for replacement of the unit.

19.Do not operate fireplace if any log is broken.

20.Do not use a blower insert, heat exchanger insert, or any other accessory not approved for use with this fireplace.

21.Do not operate the fireplace with glass door removed, cracked, or broken.

22.This unit is approved for bedrooms and bathrooms.

!WARNING

HOT GLASS WILL

CAUSE BURNS.

DO NOT TOUCH GLASS

UNTIL COOLED.

NEVER ALLOW CHILDREN

TO TOUCH GLASS.

Code Approval

IMPORTANT:

PLEASE READ THE FOLLOWING

CAREFULLY

It is normal for fireplaces fabricated of steel to give off some expansion and/or contraction noises during the start up or cool down cycle. Similar noises are found with your furnace heat exchanger or car engine.

IMPORTANT:

PLEASE READ THE FOLLOWING

CAREFULLY

It is not unusual for gas fireplaces to give off some odor the first time it is burned. This is due to the manufacturing process.

Please ensure that your room is well ventilated during burn off — open all windows.

It is recommended that you burn your fireplace for at least ten (10) hours the first time you use it. Place the fan switch in the “OFF” position during this time.

 

WARNING

Never connect unit to private (non-

 

 

 

 

utility)gaswells. Thisgasiscommonly

 

 

known as wellhead gas.

 

 

 

Direct Vent type appliances draw all combustion air from outside of the dwelling through the vent pipe.

These appliances have been tested by CSA and found to comply with the established standards for DIRECT VENT GAS FIREPLACE HEATERS in the USA and Canada as follows:

Listed Vented Gas Fireplace Heater

Tested To: ANSI Z21.88b-2008 / CSA 2.33b-2008 Standards

Amanufactured home (USAonly) or mobile home OEM installation must conform with the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280, or when such a standard is not applicable, the Standard for Manufactured Home Installations, ANSI/NCSBCS A225.1, or Standard for Gas Equipped Recreational Vehicles and Mobile Housing, CSA Z240.4.

42D0200

product features

Designer Series Gas Fireplaces

product SPECIFICATIONS

This appliance has been certified for use with either natural or propane gas. See appropriate data plates.

This appliance is not for use with solid fuels.

The appliance is approved for bedroom or bedsitting room installations.

The appliance must be installed in accordance with local codes if any. If none exist use the current installation code. ANSI Z223.1/NFPA 54 in the USA, CSA B149 in Canada.

This appliance is mobile home approved.

This appliance is approved for bathroom installation.

The appliance must be properly connected to a venting system.

The appliance is not approved for closet or recessed installations.

The efficiency rating of this appliance is a product thermal efficiency rating determined under continuous operating conditions and was determined independently of any installed system.

HIGH ELEVATIONS

Input ratings are shown in BTU per hour and are certified without deration for elevations up to 4,500 feet (1,370 m) above sea level.

For elevations above 4,500 feet (1,370 m) in USA, installation must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.

In Canada, please consult provincial and/or local authorities having jurisdiction for installation at elevations above 4,500 feet (1,370 m).

GAS pressures

 

Natural

Propane (LP)

Inlet Minimum

4.5” w.c.

11.0” w.c.

Inlet Maximum

10.5” w.c.

13.0” w.c.

Manifold Pressure

3.5” w.c.

10.0” w.c.

 

 

 

Optional

 

Remote

 

Receiver

 

Hi/Lo Knob

FP2276

 

Off/Pilot/On

 

Knob

 

Control Panel Blower Control

Figure 1 -

Designer Series Fireplace Controls

Before You START

Read this homeowner manual thoroughly and follow all instructions carefully. Inspect all contents for shipping damage and immediately inform your dealer if any damage is found. Do not install any unit with damaged, incomplete, or substitute parts. Check your packing list to verify that all listed parts have been received. You should have the following:

Fireplace (Firebox and Burner System)

Log Set

Lava Rock

Rock Wool

Deflector Shield (to be used with Simpson DuraVent Horizontal Termination – P/N 985)

Items Required For Installation

Phillips Screwdriver

Framing Materials

Hammer

Wall Finishing Materials

Saw and/or saber saw

Level

Measuring Tape

Electric Drill and Bits

Tee Joint

Pliers

Square

Pipe Wrench

Caulking Material (Noncombustible)

Fireplace Surround Material (Noncombustible)

Piping Complying with Local Codes

Pipe Sealant Approved for use with Propane/LPG (Resistant to Sulfur Compounds)

Gas Specifications & ORIFICE SIZE

 

 

Max.

Min.

 

 

 

Input

Input

Orifice

Model

Fuel

Btu/h

Btu/h

Size

624DVNVC

Nat.

36,000

25,000

#44

624DVPVC

LP

36,000

26,000

#54

624DVNEC

Nat.

36,000

25,000

#44

624DVPEC

LP

36,000

26,000

#54

42D0200

 

 

 

 

Designer Series Gas Fireplaces

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIREPLACE DIMENSIONS

See-Through and Peninsula Model

 

 

 

 

 

 

 

 

2(6QE”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimensions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(624DVST, 624DVPF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23 6M”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Rear Vent Shown)

18(6 ”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4(6QE”

 

 

 

 

 

 

 

 

 

39 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

405 6QE” 5/8” 1/2”

1/2” 5/8”

Gas/Electric Access

Corner Model Dimensions

(624DVCR, 624DVCL)

(Right, Top Vent Shown)

C

 

L

 

32 6M”

3456O”

44”

356M”

18(6 ”

2456O”

4(6QE”

39 6

5/8”

 

 

1/2”

 

37 6M”

 

 

37 6M”

1 6M”

1956O”

 

405 6QE”

 

 

1/2”

3256M”

 

 

5/8”

 

 

Gas/Electric Access

44”

 

Figure 2 -

Fireplace Dimensions

42D0200

FIREPLACE Framing

Designer Series Gas Fireplaces

It is best to build firebox framing after the appliance is set in place. Refer to the dimensions for your fireplace on Page 7. The framing headers may rest on the top of the firebox standoffs.

The firebox may be installed directly on a combustible floor or raised on a platform of an appropriate height. Do not place firebox on carpeting, vinyl, or other soft floor coverings. It may, however, be placed on a flat wood, plywood, particle board, or other hard surfaces. Be sure firebox rests on a solid continuous floor or platform with appropriate framing for support. No cold air should enter room from under the firebox.

Peninsula Framing

Gas Connection

2 x 4 (Minimum)

A1

A2

FP2038

C

Top View

 

A

A

2

1

 

C

B

Figure 3 -

Peninsula Framing

Corner Framing

Top View

A1

Gas Connection

 

A2

 

 

 

 

 

 

 

 

2 x 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Minimum)

 

FP2037

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 x 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

(Minimum)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Peninsula & Corner

 

 

 

 

 

 

 

 

2

 

 

Framing Specifications

 

 

1

 

 

 

 

 

 

 

 

 

 

 

1/2" Drywall

5/8" Drywall

 

 

Figure 4 -

 

 

A1

 

43Z\x"

 

43C\,"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corner Unit Framing

 

 

A2

 

39M\,"

 

39C\v"

 

 

 

 

 

 

 

 

(Right Hand Configuration shown)

 

 

B

 

41Z\,"

 

41Z\,"

 

 

 

 

 

 

 

 

 

 

 

 

C

 

22C\v"

 

22Z\x"

 

 

 

 

 

 

D

 

24"

 

23M\,"

 

 

 

 

 

 

B

2 x 2 (Minimum)

D

42D0200

Designer Series Gas Fireplaces

framing FIREPLACE

Framing See Through Fireplace

*Note: For ease of installation, frame around the firebox after it has been set. Refer to chart below for specifications.

When installing into existing framed (A1) openings, loosen the junction box. Remove the rear-mounted flue pipe adaptor. Refer to Page 16, Figures 10 and 11. Reattach both assemblies.

See-through Framing

 

Gas

2 x 4

A1

Connection

(Minimum)

A2

FP2038

C

Top View

Figure 5 -

See-through See-Through Framing

Framing Specifications

1/2" Drywall 5/8" Drywall

A1

44Z\v"

44Z\v"

A2

40B\,"

40B\,"

B

41Z\,"

41Z\,"

C

22C\v"

22Z\x"

 

A

A

2

1

 

2 x 4 (Minimum)

B

C

WARNING

The fireplace must be installed giving full consideration to the clearance and height requirements identified in this manual.

42D0200

clearances

Designer Series Gas Fireplaces

Clearances to combustibles

WARNING

Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fire hazard.

The appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombustible material panel extending full width and depth of the appliance.

mantel clearances

NOTE: The combustible area above the facing must not protrude more than 3/4" from the facing. If it does, it is considered a mantel and must meet the mantel requirements listed in this manual.

10”

 

 

 

Wall

 

 

 

 

 

8”

 

 

 

 

6”

 

 

Insulation Board

12”

 

 

 

 

4”

 

 

 

10”

 

 

 

 

 

 

 

8”

 

2”

Standoff

 

 

6”

 

 

 

 

 

 

 

 

4”

 

 

 

 

 

 

 

 

Top of Louvers

 

 

 

FP2279

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6 -

 

 

 

Mantel Clearances

 

 

WARNING

Never obstruct or modify the air inlet or outlet grills (louvers). This may create a fire hazard.

Finishing Material

NOTE: Any remote wiring (i.e. remote control, wall switch, and optional fan) must be done prior to final finishing to avoid costly reconstruction.

Only noncombustible materials (i.e. brick, tile, slate, steel, or other materials with a UL fire rating of Zero) may be used to cover the black-painted face of the appliance. A 300°F minimum adhesive may be used to attach facing materials to the black surface. If joints between the finished wall and the fireplace surround are sealed, a 300°F minimum sealant material (General Electric RTV103 or equivalent) must be used. Combustibles may come to the top and side edges but not overlay the face.

42D0200

Designer Series Gas Fireplaces

INSTALLATION INFORMATION

INSTALLATION AND OPERATING INSTRUCTIONS

This gas fireplace should be installed by a qualified installer in accordance with local building codes and with current CSA-B149 (.1 or .2) Installation codes for Gas Burning Fireplaces and Equipment. If the unit is being installed in a mobile home the installation should comply with the current CAN/ CSA Z 240 .4 code.

FOR U.S.A. Installations follow local codes and/or the current National Fuel Gas Code. ANSI Z223.1.

fireplace location

For Safe Installation and Operation Please Note The Following:

1.This fireplace gives off high temperatures and should be located out of high traffic areas and away from furniture and draperies.

2.Children and adults should be alerted to the hazards of the high surface temperatures of this fireplace and should stay away to avoid burns or ignition of clothing.

3.Caution, due to high glass surface temperature children should be carefully supervised when they are in the same room as the fireplace.

4.Under no circumstances should this fireplace be modified. Parts removed for servicing should be replaced prior to operating the fireplace again.

5.Installation and any repairs to this fireplace should be carried out by a qualified service person. A professional service person should be contacted to inspect this fireplace annually. Make it a practice to have all of your gas fireplaces checked annually. More frequent cleaning may be required due to excess lint and dust from carpeting, bedding material, etc.

6.Control compartments, burners and air passages in this fireplace should be kept clean and free of dust and lint. Make sure that the gas valve and pilot light are turned off before you attempt to clean this fireplace.

7.The venting system (chimney) of this fireplace should be checked at least once a year and if needed your venting system should be cleaned.

8.Keep the area around your fireplace clear of combustible materials, gasoline and other flammable vapor and liquids. This fireplace should not be used as a drying rack for clothing, nor should Christmas stockings or decorations be hung on or around the fireplace.

9.Under no circumstances should any solid fuels (wood, coal, paper or cardboard etc.) be used in this fireplace.

10.The flow of combustion and ventilation air must not be obstructed in any way.

11.When the fireplace is installed directly on carpeting, vinyl tile or any combustible material other than wood, the fireplace must be installed on a metal or wood panel extending the full width and depth of the fireplace.

12.This fireplace requires adequate ventilation and combustion air to operate properly.

13.This fireplace must not be connected to a chimney flue serving a separate solid fuel burning fireplace.

14.When the fireplace is not in use it is recommended that the gas control valve be left in the “OFF” position.

This appliance has been approved for after-market mobile home installations.

IMPORTANT:

PLEASE READ THE FOLLOWING CAREFULLY

Remove any plastic from trim parts before turning the fireplace ON.

It is normal for fireplaces fabricated of steel to give off some expansion and/or contraction noises during the start up or cool down cycle. Similar noises are found with your furnace heat exchanger or car engine.

It is not unusual for your Monessen gas fireplace to give off some odor the first time it is burned. This is due to the curing of the paint and any undetected oil from the manufacturing process.

Please ensure that your room is well ventilated — open all windows.

It is recommended that you burn your Monessen fireplace for a least ten (10) hours the first time you use it. If the optional fan kit has been installed, place the fan switch in the “OFF” position during this time.

10

42D0200

INSTALLATION

Designer Series Gas Fireplaces

 

X

 

 

 

X

X

 

 

B

 

 

A

Y

A

Y

 

Z

 

Y

 

 

 

 

 

 

FP2277

Figure 7 -

Possible Fireplace Locations

A.WALL LOCATION

Y Minimum distance between a glass panel and a parallel wall = 42"

Z Minimum distance between the edge of a glass panel and an adjacent wall = 3"

B.Island Location

X (Maximum length of horizontal venting = 20'. Refer to the venting section of this manual for specific dimensions.

A Flat on Wall B Room Divider

SecurE fireplace to floor

The fireplace must be secured to the floor and/or to framing studs as shown in Figure 8. Use two (2) wood screws or masonry/ concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. The side brackets are adjustable from 1/2" to 5/8" to accommodate different thickness of noncombustible material.

Screws

FP2278

Figure 8 -

Secure Fireplace to Floor and Framing Studs

42D0200

11

Designer Series Gas Fireplaces

OPTIONAL TOP VENT installation

Optional top vent application

The appliance is shipped as a rear vent unit. If the installation layout requires the unit to be a top vent configuration the appliance can be converted by following the steps below.

When removing and refitting the plates and adapter be sure the associated gaskets are undamaged and refitted as required.

1.Remove the eight (8) screws securing the flue pipe adapter to the fireplace body. Figure 9

WARNING

After conversion to top vent configuration the 4" (102 mm) flue pipe should be concentric within the 6B\," (175 mm) outer collar

(within 1/4").

2.Set the flue pipe adapter aside, complete with the gasket. Do not damage the gaskets as the adapter and gasket must

be refitted.

Flue Pipe

3. Remove the eight (8) screws securing the flue pipe cover to Adapter the top of the intake box and remove the cover and gasket.

Figure 9

4. Remove eight (8) screws securing the flue pipe to the back of the intake box and remove the pipe and gasket. Figure 10

5. Replace flue pipe to top of firebox. Ensure the gasket is in place and undamaged. Secure with eight (8) screws.

Figure 11

6. Place the flue pipe cover and gasket removed in step 3 over the flue opening in bottom of the intake box.

7. Refit the flue pipe adapter and gasket to the top of fireplace. Secure the adapter with eight (8) screws removed in step 1.

 

Flue Pipe

 

Adapter

 

Figure 9

-

Flue Pipe

Remove

16 Screws from Flue Pipe

Cover

Adapter and Flue Pipe Cover

Screws

Flue Pipe

Screws

Flue Pipe

Screws

FP1991

Figure 10 -

Remove Flue Pipe

FP1992

Figure 11 -

Attach Flue Pipe to Top Vent Coln-

figuration

FP1993

12

42D0200

VENTING INSTALLATION

Designer Series Gas Fireplaces

VentING installation

 

Read all instructions completely and

WARNING

thoroughly before attempting installation.

Failure to do so could result in serious

 

 

injury, property damage or loss of life.

 

Operation of improperly installed and

 

maintained venting system could result in

 

serious injury, property damage or loss of

 

life.

 

 

 

 

NOTICE

Failure to follow these instructions

 

 

will void the warranty.

 

 

Installation precautions

NOTE: This appliance must be installed with a Monessen approved venting system only.

Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installation. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.

Only a qualified installer/service person should install venting system. The installer must follow these safety rules:

Wear gloves and safety glasses for protection.

Use extreme caution when using ladders or when on rooftops.

Be aware of electrical wiring locations in walls and ceilings.

The following actions will void the warranty on your venting system:

Installation of any damaged venting component.

Unauthorized modification of the venting system.

Installation of any component part not manufactured or approved by MHSC.

Installation other than permitted by these instructions.

VENTING CLEARANCES

 

Horizontal sections of this vent system

 

require a minimum of 3" clearances to

WARNING

combustibles at the top of the flue and 1"

clearance at the sides and bottom until

 

 

the flue penetrates the outside wall. A

 

minimum 1" clearance all around the flue

 

is acceptable at this point of penetration.

 

Verticalsectionsofthisventsystemrequire

 

a minimum of 1" clearance to combustibles

 

on all sides of the pipe.

 

 

*3"

**1” 326M”

**1"

FP2280

*Aminimum of 3" clearance to the top is required along horizontal length until flue pipe penetrates outside wall.

** A minimum 1" clearance to combustibles permitted all around flue at outside wall.

Figure 12 -

Combustible Clearances for Vent Pipe

WARNING

This fireplace must be vented to the

outside. The venting system must NEVER

 

 

be attached to a chimney serving a separate

 

solid fuel burning appliance. Each gas

 

appliance must use a separate vent system.

 

Do not use common vent systems.

 

 

42D0200

13

for horizontal termination
Select the amount of vertical rise desired. All horizontal run of venting must have 1/4" rise for every 12" of run towards the termination.
You may use up to three 90° elbows in this vent configuration. Refer to Horizontal Termination Configurations on Pages 22 and 23.
For vertical termination
Measure the distance from the fireplace floor to the ceiling. Add the ceiling thickness, the vertical rise in an attic or second story, and allow for sufficient vent height above the roof line.
NOTE: You may use two 45° elbows in place of a 90° elbow. You must follow rise to run ratios when using 45° elbows. The appliance is approved for use with three 90° elbows maximum or a combination of 90° and 45° elbows up to a maximum of 270°.
For two-story applications, firestops are required at each floor level. If an offset is needed in the attic, additional pipe and elbows will be required.
You may use a chase with a vent termination with exposed pipe on the exterior of the house. Refer to Installing Vent System in a Chase below. If pipe is enclosed in chase, it is not exposed.
It is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust. Certain limitations apply to vent configurations and must be strictly followed.
Installing a vent system in an outside chase
A chase is a vertical boxlike structure built to enclose venting that runs along the outside of a building. A chase is required for such venting.
Vertical Termination
Horizontal Termination
There are two basic types of direct-vent installation:
Never run the vent pipe down. This may cause excessive temperatures which could cause a fire.
WARNING It is important to select the proper length of vent pipe for the type of termination you choose. It is also
important to note the wall thickness.
Designer Series Gas Fireplaces
installation planning
VentING installation

WARNING

Treatment of firestops and construction of the chase may vary from building type to building type. These instructions are not substitutes for the requirements of local building codes. You must follow all local building codes.

NOTICE

When installing in a chase, you should insulate the chase as you would the outside walls of your home. This is especially important in cold climates. Insulation should be considered a combustible material. Maintain proper clearances to all combustible materials.

WARNING

Always maintain minimum clearances around vent systems. The minimum clearances to combustibles for horizontal vent pipe are 3" at the top and 1" at the sides and bottom of the vent system until the pipe penetrates the nearest vertical wall. A 1" minimum clearance all around the pipe must be maintained. Do not pack the open air spaces with insulation or other materials. This could cause high temperatures and may present a fire hazard.

14

42D0200

ventING installation

Designer Series Gas Fireplaces

General Venting Information - Termination Location

Figure 13 -

Termination Locations

 

 

 

 

INSIDE

 

 

 

 

 

 

 

 

CORNER DETAIL

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

A

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

L

C

 

B

 

 

 

 

 

 

B

V

 

 

 

 

 

 

 

Fixed

 

 

B

V

 

 

 

Closed

V

 

 

 

 

 

 

 

Fixed

 

 

 

 

 

 

Operable

Operable

 

 

 

 

 

 

 

Closed

 

 

 

 

F

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

V

 

M

 

 

 

B

 

B

J

X

 

 

 

 

V

K

X

CFM145a

 

 

 

A

 

I

 

 

 

 

 

 

 

 

 

 

 

 

V VENT TERMINATION X AIR SUPPLY INLET

AREA WHERE TERMINAL IS NOT PERMITTED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canadian Installations1

uS Installations2

 

 

A =

Clearance above grade, veranda, porch,

12” (30 cm)

12” (30 cm)

 

deck, or balcony

 

 

 

 

B = Clearance to window or door that may be

6” (15 cm) for appliances

6” (15 cm) for appliances

 

 

opened

< 10,000BTU/h (3kW), 12” (30 cm)

< 10,000 BTU/h (3kW), 9”

 

 

 

for appliances > 10,000 Btuh (3kW) and

(23 cm) for appliances > 10,000

 

 

 

< 100,000 BTU/h (30kW), 36” (91 cm)

Btuh (3kW) and < 50,000 BTU/h

 

 

 

for appliances > 100,000 BTU/h (30kW)

(15kW), 12” (30 cm) for

 

 

 

 

appliances > 50,000 BTU/h(15kW)

 

C = Clearance to permanently closed window

12” (305 mm) recommended to

12” (305 mm) recommended to

 

 

 

prevent window condensation

prevent window condensation

 

D = Vertical clearance to ventilated soffit located

 

 

 

 

above the terminal within a horizontal

18” (458 mm)

18” (458 mm)

 

distance of 2’ (610mm) from the center

 

 

 

 

line of the terminal

 

 

 

 

E = Clearance to unventilated soffit

12” (305 mm)

12” (305 mm)

 

F =

Clearance to outside corner

see next page

see next page

 

G = Clearance to inside corner (see next page)

see next page

see next page

 

H = Clearance to each inside of center line

3’ (91 cm) within a height of 15’ (5 m)

3’ (91 cm) within a height of 15’

 

 

extended above meter/regulator assembly

above the meter/regulator assembly

(5 m) above the meter/regulator

 

 

 

 

assy

 

I =

Clearance to service regulator vent outlet

3’ (91 cm)

3’ (91 cm)

 

J =

Clearance to nonmechanical air supply inlet

6” (15 cm) for appliances < 10,000

6” (15 cm) for appliances

 

 

to building or the combustion air inlet to any

BTU/h (3kW), 12” (30 cm) for

< 10,000 BTU/h (3kW), 9”

 

 

other appliances

appliances > 10,000 BTU/h (3kW) and

(23 cm) for appliances > 10,000

 

 

 

< 100,000 Btuh (30kW), 36” (91 cm)

BTU/h (3kW) and < 50,000 BTU/h

 

 

 

for appliances > 100,000 BTU/h (30kW)

(15kW), 12” (30 cm) for

 

 

 

 

appliances > 50,000 BTU/h(15kW)

 

K =

Clearance to a mechanical air supply inlet

6’ (1.83 m)

3’ (91 cm) above if within 10'

 

 

 

 

(3 m) horizontally

L =

Clearance above paved sidewalk or paved

7’ (2.13 m)†

7’ (2.13 m)†

 

 

driveway located on public property

 

 

 

 

M = Clearance under veranda, porch, deck or

12” (30 cm)

12” (30cm)

 

 

balcony

 

 

 

1 In accordance with the current CSA-B149 Installation Codes

2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes

† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings

only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor:

NOTE: 1. Local codes or regulations may require different clearances.

2.The special venting system used on Direct Vent Fireplaces are certified as part of the appliance, with clearances tested and approved by the listing agency.

3.MHSC assumes no responsibility for the improper performance of the appliance when the venting system does not meet these requirements.

42D0200

15

Designer Series Gas Fireplaces

 

ventING installation

termination clearances for buildings with combustible

 

 

and noncombustible exteriors

 

 

 

 

 

 

 

D

 

 

 

C

C

 

 

 

 

G

G=6" (152mm)

 

 

 

V

V

 

 

V

 

 

E

 

F

F=6" (152mm)

 

 

 

 

Inside Corner

Outside Corner

 

 

 

 

 

 

 

 

H

 

C = Maximum depth of 48" (1219mm)

 

 

 

for alcove location

 

 

G

V

 

D = Minimum width for back wall of

 

 

alcove location

 

 

V

J

 

 

Combustible - 38" (965mm)

 

 

 

 

 

Noncombustible - 24" (610mm)

 

 

 

 

 

Combustible &

 

E = Clearance from corner in alcove

 

 

 

location

 

 

 

Noncombustible

 

 

 

 

G = Combustible 24"(610mm)

 

 

Combustible - 6" (152mm)

 

 

H = 24" (610mm)

 

 

 

 

Noncombustible 18"(457mm)

J = 20" (508mm)

 

 

Noncombustible - 2" (51mm)

 

Balcony with No Side Wall

Balcony with Perpendicular

 

 

 

Alcove Location

 

 

Figure 14 -

Side Wall

 

40

 

 

 

 

 

Allowable Venting Chart

 

 

38

 

 

 

 

 

How To Use The Vent Graph

 

36

 

 

 

 

Vertical

 

34

 

Dimensions in

 

The Vent Graph should be read in conjunction with the following

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

Feet

 

 

vent installation instructions to determine the relationship between

 

30

 

 

 

Dimension

 

 

 

 

 

ing through the outer wall. Using this dimension on the Sidewall

 

 

 

 

 

 

 

 

 

 

 

the vertical and horizontal dimensions of the vent system.

 

28

 

 

 

 

 

1. Determine the height of the center of the horizontal vent pipe exit-

 

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

Vent Graph below, locate the point intersecting with the slanted

 

24

 

 

 

PipeVentHorizontal

UnitofFloorthe From

 

12

 

 

 

Example: If the vertical dimension from the floor of the fireplace

 

 

 

 

graph line.

 

 

22

 

 

 

 

 

2. From the point of this intersection, draw a vertical line to the

 

20

 

 

 

 

 

bottom of the graph.

 

 

18

 

 

 

 

 

 

 

16

 

 

 

 

 

3. Select the indicated dimension, and position the fireplace in

 

 

 

 

 

 

 

14

 

 

 

 

 

accordance with same.

 

 

 

 

eg: A

 

 

 

 

 

 

 

 

 

is 11' (3.4 m) the horizontal run to the face of the outer wall must

 

10

 

 

 

 

to

 

8

 

 

 

 

the

not exceed 14' (4.3 m).

 

 

 

 

 

 

Example: If the vertical dimension from the floor of the unit is

 

6

 

 

 

 

Center

7’ (2.14m), the horizontal run to the face of the outer wall must

20"

4

 

 

 

 

not exceed 8Z\x' (2.6 m).

 

 

2

 

 

 

 

of

 

 

 

 

 

 

 

 

Sidewall Vent Graph showing the relationship between vertical and

 

2

4

6

8 10 1214 16 1820

 

the

horizontal dimensions for a Direct Vent flue system.

 

 

 

 

 

Horizontal Dimension From the Outside Face of the

 

 

 

Figure 15 - Wall to the Center of the Fireplace Vent Flange

 

Rear Wall Venting Graph

 

 

 

 

16

42D0200

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