Monessen Hearth MCUF36 Installation And Operating Instructions Manual
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Monessen Hearth MCUF36 Installation And Operating Instructions Manual

Monessen Hearth MCUF36 Installation And Operating Instructions Manual

Unvented vent-free fireboxes
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MAGNUM
UNVENTED
VENT-FREE
FIREBOXES
INSTALLATION AND

OPERATING INSTRUCTIONS

MODELS:
MCUF36 and MCUF42
For use with a listed gas-fired
unvented decorative room heater
not to exceed 40,000 BTU/hr. Do
Not Build a Wood Fire.
Carefully review the instructions
supplied with the decorative type
unvented room heater for the mini-
mum fi replace size requirement.
DO NOT INSTALL AN APPLIANCE
IN THIS FIREBOX UNLESS THIS
FIREBOX MEETS THE MINIMUM
DIMENSIONS REQUIRED FOR
THE INSTALLATION.
If the information in this manual 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 fl ammable
– WHAT TO DO IF YOU SMELL GAS
– Installation and service must be performed by
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
vapors and liquids in the vicinity of this or any
other appliance.
• 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.
• If you cannot reach your gas supplier, call the
fi re department.
a qualifi ed installer, service agency or the gas
supplier.

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Summary of Contents for Monessen Hearth MCUF36

  • Page 1: Operating Instructions

    MAGNUM UNVENTED VENT-FREE FIREBOXES INSTALLATION AND OPERATING INSTRUCTIONS MODELS: MCUF36 and MCUF42 WARNINGS WARNINGS WARNINGS WARNINGS WARNINGS WARNINGS WARNINGS For use with a listed gas-fired WARNINGS unvented decorative room heater If the information in this manual is not followed not to exceed 40,000 BTU/hr. Do exactly, a fire or explosion may result causing Not Build a Wood Fire.

  • Page 2: Table Of Contents

    CONTENTS Important Safety Information ......... 3 Gas Line Installation ..........12 Canopy Installation ..........13 Product Features ............5 Before You Start .............5 Other Optional Equipment ........14 General Installation Information ......6 Forced Air Kit ............14 Brass or Chrome Trim ..........14 Firebox External Dimensions .........6 Firebrick ...............14 Minimum Hearth Dimensions .........7 Optional Wide Canopy .........14...

  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the owner. Please retain these instructions for future reference. IMPORTANT Read these instructions carefully before installing or trying to operate a vent-free gas heater in this fi rebox. • Any change to this heater or its controls can be dangerous. •...
  • Page 4 IMPORTANT SAFETY INFORMATION 24. Never burn solid fuels in a fi replace where a unvented Continued from page 3 room heater is installed. 16. Keep room area clear and free from combustible materi- 25. Always have a fi replace screen in place when the appli- als, gasoline and other fl...

  • Page 5: Product Features

    fi rebox. 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.

  • Page 6: General Installation Information

    Plumb gas line. (Gas connections should only be performed by an experienced, licensed/certifi ed tradesman). Install vent-free gas log heater per the instructions provided with the vent-free gas log heater. Complete fi nish wall material, surround and optional hearth extension to your individual taste. FIREBOX EXTERNAL DIMENSIONS MCUF36 MCUF36 MCUF42 MCUF42 41"...

  • Page 7: Minimum Hearth Dimensions

    GENERAL INSTALLATION INFORMATION LOCATION OF FIREBOX MINIMUM HEARTH DIMENSIONS MCUF36 MCUF36 MCUF42 MCUF42 " " " 16" 16" 16" 16" " " " 21" 21" 26" 26" Figure 2 - Minimum Hearth Dimensions LOCATION OF FIREBOX Carefully select the best location for installation of your vent-free fi...

  • Page 8: Clearances And Height Requirements

    CLEARANCES HEIGHT REQUIREMENTS Ensure that minimum clearances shown in Figures 4 through 7 are maintained. Left and right clearances are determined when facing the front of the fi rebox. Follow these instructions carefully to ensure safe installation. Failure to follow these requirements may create a fi...
  • Page 9 CLEARANCES HEIGHT REQUIREMENTS Mantel clearances: The canopy supplied with the unit must be installed. If a combustible mantel is installed, it must meet the clearance requirements as shown in Figure 5. However, if lower mantel height is desired, see page 14 for canopy options.

  • Page 10: Fireplace Framing

    Combustibles may not come any closer to the top of the enclosure than the standoffs will allow. Do not fi ll spaces around fi rebox with insulation or other materials. This could cause a fi re. MCUF36 MCUF36 MCUF42 MCUF42 "...
  • Page 11 FIREPLACE FRAMING When fi nishing a custom cabinet, mantel, or other built-in enclosure, the opening size to accommodate the fi replace with trim installed is as follows: MCUF36 MCUF36 MCUF36 MCUF42 MCUF42 MCUF42 with Trim with Trim with Trim with Trim...

  • Page 12: Gas Line Installation

    GAS LINE INSTALLATION Plumbing connections should only be performed by a qualifi ed, licensed plumber. Main gas supply must be off when plumbing gas line to fi replace or performing service. Consult all local codes. All gas piping must be installed to comply with local codes, or in the absence of local codes, with the latest edition of the National Fuel Gas Code ANSI Z223.1/NFPA54.

  • Page 13: Canopy Installation

    CANOPY INSTALLATION INSTALLING CANOPY A canopy is furnished with each fi rebox and MUST be installed for safe operation. See Figure 14. The firebox canopy must not be modifi ed or replaced with a canopy that may be provided with the unvented decorative room heater.

  • Page 14: Other Optional Equipment

    FORCED AIR KIT (BLOTM) If you are installing the forced air kit, Model BLOTM, on MCUF36 or MCUF42 models, see the installation instructions provided with the kit for electrical wiring requirements, or the blower installation section. The fi rebox must be connected to main power supply at time of fi...

  • Page 15: Illustrated Parts Breakdown

    ILLUSTRATED PARTS LIST ITEM ITEM ITEM ITEM DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION MCUF36 MCUF36 MCUF42 MCUF42 Canopy Canopy Canopy Canopy Canopy Canopy 26D4568K 26D4570K 26D4568K 26D4570K 26D4568K 26D4570K 26D4568K 26D4570K 26D4568K 26D4570K 26D4568K 26D4570K Screen Panel Screen Panel Screen Panel Screen Panel...

  • Page 16: Warranty

    This warranty is expressly in lieu of other warranties, express or implied, including the warranty of merchantability of fi tness for purpose and of all other obligations or liabilities. Monessen Hearth Systems, Inc. does not assume for it any other obligations or liability in connection with the sale or use of the appliance. In states that do not allow limitations on how long an implied warranty lasts, or do not allow exclusion of indirect damage, those limitations of exclusions may not apply to you.

This manual is also suitable for:

Mcuf42

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