Monessen Hearth MCUF36, MCUF42 Installation And Operating Instructions Manual

– Do not store or use gasoline or other fl ammable

vapors and liquids in the vicinity of this or any

– WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use

• Immediately call your gas supplier from a

• If you cannot reach your gas supplier, call the

fi re department.

– Installation and service must be performed by

WARNINGS

WARNINGS

WARNINGS

WARNINGS

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Firebox External Dimensions

Minimum Hearth Dimensions

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Forced Air Kit

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Brass or Chrome Trim

Firebrick

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Optional Wide Canopy

Warranty

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the absence of local codes, with the

National Fuel Gas

box enclosures for gas-fi red unvented decorative room

heaters.

location of the heater, and annual cleaning are necessary

to avoid potential problems with sooting. Sooting,

resulting from improper installation or operation,

placement instructions for proper installation.

Candles, incense, oil lamps, etc. produce

these types of products. In addition, the smoke and/or

to minimize the use of candles, incense, etc. while the

vent-free appliance is in operation.

room in which it is installed. Provisions for adequate

installation guidelines.

Please leave these instructions with the owner.

Please retain these instructions for future reference

1. Due to high temperatures, the appliance should

be located out of traffi c and away from furniture

2. Children and adults should be alerted to the hazard

to avoid burns or clothing ignition.

3. Young children should be carefully supervised

4. Do not place clothing or other fl ammable material

5. Any safety screen or guard removed for servicing

the heater.

6. Installation and repair should be done by a qualifi ed

7. To prevent malfunction and/or sooting, an unvented

imperative that control compartments, burners and

Early signs of

headaches, dizziness and/or nausea. If you have these

for use with this heater where applicable.

WARNING

They are not intended to be a primary heating appli-

In most homes of average construction, this does not pose

harmful but may produce annoying smoke and smells

irritation. This is a normal and temporary occurrence.

The initial break-in operation should last two to three

hours with the burner at the highest setting. Provide

maximum ventilation by opening windows or doors to

initial break-in period will be slight and will disappear

piping system by closing its equipment shutoff valve

to inspect the room heater and to replace any part of the

room heater is installed.

vent the fi rebox from coming in contact with combustible

materials.

www.nfi certifi ed.org

We suggest that our gas hearth

®

wellhead gas.

WARNING

The MCUF36 and MCUF42 Series are vent-free fi reboxes. They feature a self contained heat-circulating system.

This installation manual will enable you to obtain a safe, effi cient and dependable installation of your vent-free fi rebox.

Do not alter or modify the fi rebox or its components under any circumstances. Any modifi cation or alteration of the fi rebox

1. Vent-Free Gas Firebox 4. Five (5) sheet metal screws for canopy

2. Canopy 5. Two (2) nuts and bolts for grate

3. Installation and Operating Instructions

WHAT YOU WILL NEED FOR INSTALLATION

Piping complying with local codes

• Wall fi nishing materials

Refer to the installation instructions provided with the log sets for items required for log set installation.

for the fi rebox.

WARNING

NOTICE