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MAGNUM
Vent-Free Fireboxes
Models:
MCUF36E-F, MCUF36D-R,
MCUF42E-F, MCUF42D-R
WARNINGS
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
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.
• 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 fire department.
– Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
Installation and
Operating Instructions
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 minimum fireplace size
requirement.
DO NOT INSTALL AN AppLIANCE IN THIS
FIREBOx UNLESS THIS FIREBOx MEETS
THE MINIMUM DIMENSIONS REqUIRED
FOR THE INSTALLATION.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
264720
MCUF cover
26D4720 10/13 Rev. 11
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Table of Contents
Related Manuals for Vermont Castings MAGNUM MCUF36E-F
Summary of Contents for Vermont Castings MAGNUM MCUF36E-F
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Page 1: Operating Instructions
MAGNUM Vent-Free Fireboxes Models: MCUF36E-F, MCUF36D-R, MCUF42E-F, MCUF42D-R WARNINGS If the information in this manual is not followed exactly, a fire or explosion Installation and may result causing property damage, personal injury or loss of life. Operating Instructions – Do not store or use gasoline or other 264720 flammable vapors and liquids in the MCUF cover... -
Page 2: Table Of Contents
MCUF Series Vent-Free Firebox pLEASE READ THE INSTALLATION & OpERATING INSTRUCTIONS BEFORE USING AppLIANCE. Thank you and congratulations on your purchase of a Vermont Castings Group Vent-Free firebox. 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. -
Page 3: Important Safety Information
IMpORTANT SAFETY INFORMATION MCUF Series Vent-Free Firebox INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. • Any change to this heater or its controls can be dangerous. • Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning. - Page 4 IMpORTANT SAFETY INFORMATION MCUF Series Vent-Free Firebox 20. Input ratings are shown in BTU per hour and are for elevations up to 2,000 feet. For elevations above 2,000 IMpORTANT: feet, input ratings should be reduced 4 percent for each pLEASE READ THE FOLLOWING CAREFULLY 1,000 feet above sea level.
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Page 5: General Installation Information
GENERAL INSTALLATION INFORMATION MCUF Series Vent-Free Firebox Illustrations shown in this manual reflect Do not attempt to burn solid wood fuels, “typical” installations with nominal vented gas log sets, or any other combustible dimensions and are for design and framing in this unvented firebox. -
Page 6: Firebox And Framing Dimensions
FIREBOx, HEARTH and FRAMING DIMENSIONS MCUF Series Vent-Free Firebox Min. Rough Opening Depth H - Min. Rough Opening Width Min. Rough Opening Height 5 ” 37 ” 37 ” 32 ” 26 " 2 ” 2 ” 8 ” 6” Figure 1 - Firebox and Framing Dimensions 9 ”... -
Page 7: Firebox Location
FIREBOx LOCATION and CLEARANCE REqUIREMENTS MCUF Series Vent-Free Firebox LOCATION OF FIREBOx MINIMUM CLEARANCES Ensure that minimum clearances shown in Figures 4 Carefully select the best location for installation of your through 7 are maintained. Left and right clearances are vent-free firebox. -
Page 8: Clearance And Height Requirements
” 45° 3” refer to Figure 7b. 5” NOTE: The Vermont Castings Group Barrington Cabinet 6” Mantel Model series BWC300, BWC400 and BWC500 are specially designed to comply with all mantel temperature requirements. Any custom-built mantel must comply with all Figure 8 - clearance requirements shown in this instruction manual. -
Page 9: Fireplace Framing
FIREBOx FRAMING MCUF Series Vent-Free Firebox Firebox framing can be built before or after the appliance is set in place. Construct firebox framing following Figure The fireplace must be installed giving full 1. Refer to Figure 1 on Page 6 for firebox dimensions. The consideration to the clearance and height framing headers may rest on the top of the firebox. -
Page 10: Gas Line Installation
GAS LINE INSTALLATION MCUF Series Vent-Free Firebox plumbing connections should only be Connecting directly to an unregulated performed by a qualified, licensed plumber. propane / L.p.G. tank can cause an Main gas supply must be off when plumbing explosion. gas line to fireplace or performing service. Do not connect directly to natural gas 1/2 Consult all local codes. -
Page 11: Canopy Installation
CANOpY INSTALLATION MCUF Series Vent-Free Firebox A canopy is furnished with each firebox and MUST be installed for safe operation. Figure 11 Close fireplace screen panel before operating a decorative type unvented room heater. The firebox canopy must not be modified or replaced with a canopy that may be provided with the unvented decorative room heater. -
Page 12: Combustion Air
OpTIONAL Ak-4 OUTSIDE AIR kIT MCUF Series Vent-Free Firebox COMBUSTION AIR 1. Locate combustion air assembly at an exterior location which is not likely to be accidentally blocked in any man- ner. Locate assembly a min. of 12" above the snow line to prevent blockage by snow accumulation. - Page 13 OpTIONAL Ak-4 OUTSIDE AIR kIT MCUF Series Vent-Free Firebox DO NOT remove the cover if the outside Screws air will not be connected. Air Starting Collar Duct The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace.
- Page 14 OpTIONAL Ak-4 OUTSIDE AIR kIT MCUF Series Vent-Free Firebox 7. If the duct is the insulated type, push the insulation back Insulation from one end of the duct approximately 2". Figure 19 8. Slip the exposed end of the duct over the starting collar Approximately ...
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Page 15: Optional Equipment
OpTIONAL EqUIpMENT MCUF Series Vent-Free Firebox BRASS OR CHROME TRIM Electrical connections should only Optional brass trim kits can be used with unit when installed be performed by a qualified, licensed as a free standing fireplace with wood surround. electrician, main power must be off when OpTIONAL WIDE CANOpY connecting to main electrical power supply The optional wide canopy can be installed. -
Page 16: Replacement Parts
REpLACEMENT pARTS MCUF Series Vent-Free Firebox Ref. Description qty. MCUF36E-F MCUF36D-R MCUF42E-F MCUF42D-R Canopy 71D0500 71D0500 71D1000 71D1000 264720 Screen Panel 26D4562 26D4562 26D4562 26D4562 MCUF parts Screen Rod 26D0132K 26D0132K 26D0133K 26D0133K Brick Set 20302364 71D3009 20302366 71D3503 Right Side Brick 20302359 71D3011 20302359... - Page 17 MCUF Series Vent-Free Firebox 26D4720...
- Page 18 MCUF Series Vent-Free Firebox 26D4720...
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Page 19: Warranty
Vermont Castings Group in the appliance are found to be defective in materials or workmanship, Vermont Castings Group will, at its option, replace or repair the defective components at no charge to the original owner. Vermont Castings Group will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of two years from the date of installation. - Page 20 Vermont Castings Group 149 Cleveland Drive • Paris, Kentucky 40361 www.vermontcastingsgroup.com...