Owner's Manual

ManualsBrandsMonessen ManualsFire BoxesGRUF42C-F GRUF 42" Universal Radiant Vent-Free Firebox with Cottage Clay Fiber Ceramic Firebrick and Circulating Heat Distribution, CSA Design Certified





710530

GCUF cover

       

      





       

     



 

  

  



      

 



  



     

    





      

     

Do Not Build a Wood Fire.



     

     







   







Installation and

Operating Instructions

71D0530 1/11 Rev. 7

Summary of content (20 pages)

PAGE 1
Vent-free Fireboxes Models: GCUF, GRUF 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. Installation and Operating710530 Instructions GCUF cover – WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance.
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GCUF Vent-Free Fireboxes CONTENTS PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE. Thank you and congratulations on your purchase of a Monessen 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. Important Safety Information......................................3 General Installation Information.............................
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IMPORTANT SAFETY INFORMATION INSTALLER WARNING Please leave these instructions with the appliance. GCUF Vent-Free Fireboxes OWNER 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. • Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns.
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IMPORTANT SAFETY INFORMATION GCUF Vent-Free Fireboxes 22. 23. 24. 25. 26. 27. WARNING 21. 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 allow odors to dissipate. Any odors remaining after this initial break-in period will be slight and will disappear with continued use. Input ratings are shown in BTU per hour and are for elevations up to 2,000 feet.
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GENERAL INSTALLATION INFORMATION The new GCUF and GRUF Series are vent-free fireboxes. They feature a self contained heat-circulating system. These units also feature a 2-in1, flexible-face system, sold as an accessory, that converts the circulating system into a radiant system in seconds. This installation manual will enable you to obtain a safe, efficient and dependable installation of your vent-free fireplace system. Do not alter or modify the firebox or its components under any circumstances.
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Firebox dimensions GCUF Vent-Free Fireboxes D F Rough Opening Depth P O C R 1/2” - 5/8” M - Rough Opening Width P Q Rough Opening Height 156M” E 5(6QE” N I 21 6M” H J 6” Figure 1 Firebox and Framing Dimensions 256O” B A 256O” 1 6QE” K L G Ref. GCUF32C GCUF36C GCUF42C A 37" 41" 47" B 32" 36" 42" C 16" 18" 18" 710530 D 29" 32" 38" GCUF dims E 18B\," 20B\," 20B\," F 23C\," 27C\," 33C\," G 13Z\v" 15C\v" 15C\v" H 18" 17B\," 17B\," I 29M\," 34" 40" J 7Z\," 9C\v" 9C\v" K 8" 8Z\v" 8Z\v" L 2C\v
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Hearth Dimensions and firebox location GCUF Vent-Free Fireboxes location of firebox Carefully select the best location for installation of your vent-free firebox. The following factors should be taken into consideration: C • Clearance to side wall, ceiling, woodwork and windows. D E • • A B Ref. GCUF32C GCUF36C GCUF42C A 29M\," 34" 40" FP2901 hearth dims 15C\v" B 13Z\v" 15C\v" C 23C\," 27C\," 33C\," D 21M\," 21M\," 21M\," E 18" 17B\," 17B\," Figure 2 Minimum Hearth Dimensions • • • • • • See “Cl
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MINIMUM CLEARANCES GCUF Vent-Free Fireboxes Ensure that minimum clearances shown in Figures 4 through 8 are maintained. Left and right clearances are determined when facing the front of the firebox. 12” Follow these instructions carefully to ensure safe installation. Failure to follow these requirements may create a fire hazard. 1. Sidewall clearances: The clearance from the inside of the appliance to any combustible wall should not be less than 9". Figure 4 2.
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MINIMUM CLEARANCES and FRAMING 5. Floor clearance: This inner chamber firebox floor must be installed at least 5" above any combustible flooring material, such as carpeting or asphalt tile, which is closer than 14" to the base of the firebox. Figure 7 OR The inner chamber firebox floor may be installed nearer to the floor if a minimum of 14" of noncombustible ma terial such as slate or marble is installed between the base of the firebox and the combustible flooring.
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fireplace and CANOPY INSTALLATION GCUF Vent-Free Fireboxes 1. Bend out the nailing flanges located on each side of the firebox. 2. Slide the firebox into prepared framing or position firebox in its final position and frame later. 3. Level the firebox by checking the top edge of the firebox. Shim if necessary. 4. Anchor firebox to the side framing members using 8d nails or other suitable fasteners. Figure 9. 5. The canopy must be installed for safe operation of the heater.
PAGE 11
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. Remove the baseplate for ease of gas line installation. Remove screws along the front edge of the baseplate and bottom center piece of the firebox and set aside. Lift baseplate and pull toward you. Replace baseplate prior to connecting gas line to heater.
PAGE 12
COMBUSTION AIR GCUF Vent-Free Fireboxes Combustion Air 1. Locate combustion air assembly at an exterior location which is not likely to be accidentally blocked in any manner. Locate assembly a min. of 12" above the snow line to prevent blockage by snow accumulation. 2. Never mount the combustion air inlet assembly in a garage or storage area where combustible fumes such as gasoline might be drawn into the fireplace. 3.
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WARNING COMBUSTION AIR GCUF Vent-Free Fireboxes DO NOT remove the cover if the outside air will not be connected. Screws 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. Use the model AK4 combustion air kit. Model AK-4 Combustion Air Assembly 1. Remove the cover plate from the 4" outlet opening location on the left or right outside of the fireplace. 2.
PAGE 14
COMBUSTION AIR GCUF Vent-Free Fireboxes 7. If the duct is the insulated type, push the insulation back from one end of the duct approximately 2". Figure 19 8. Slip the exposed end of the duct over the starting collar on the fireplace. 9. Using the sheet metal screws provided, secure the duct end to the collar attached to the fireplace. 10.Nail or screw the combustion air assembly to the surface of the wall. Note: If the wall covering is brick or stone, use appropriate masonry fasteners.
PAGE 15
optional equipment GCUF Vent-Free Fireboxes Forced Air Kit (BLOTMC) If you are installing the forced air kit on GCUF or GRUF models, see the installation instructions provided with the kit for electrical wiring requirements, or the blower installation section. The firebox must be connected to main power supply at time of firebox installation. The blower must be installed prior to the installation of the vent-free heater.
PAGE 16
REPLACEMENT PARTS GCUF Vent-Free Fireboxes 6 4 1 7 5 3 4 2 FIREBOX COMPONENTS Ref. Description Qty. GCUF32C GCUF36C GCUF42C 1. Canopy 1 71D0023 71D0500 71D1000 2. Screen Panel 2 61D0001 61D0001 61D0003 710530 3. Screen Rod 2 26D0138 26D0132 26D0133 GCUF parts 4. Black Louver 6 26D0695 26D0697 26D0699 Accessories in Kits 1. Standard Brass Canopy 1 BRCU32 BRCU36 BRCU42 1. Wide Brass Canopy 1 BRC32 BRC36 BRC42 4. Brass Louver 1 L32BR L36BR L42BR 4. Pewter Louver 1 L32PW L36PW L36PW 5.
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GCUF Vent-Free Fireboxes 71D0530 17
PAGE 18
GCUF Vent-Free Fireboxes 18 71D0530
PAGE 19
GCUF Vent-Free Fireboxes LIMITED LIFETIME WARRANTY POLICY The following components are warranted for life to the original owner, subject of proof of purchase: Firebox, Combustion Chamber, Heat Exchanger, Grate, and Stainless Steel Burners. Five Year Warranty The following components are warranted for 5 years to the original owner, subject of proof of purchase: Vent Free Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners.
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MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.