Monessen Hearth GCUF Series manual

For use with a listed gas-fired unvented decorative room heater not to exceed 40,000 BTU/hr . Do Not Build a Wood Fire. READ AND SA VE THESE INSTRUCTIONS W ARNINGS If the information in this manual is not followed exactly , a fi re or explosion may result causing property damage, personal injury or loss of life. – Do not store or use gasoline or[...]

2 71D0530 CONTENTS Important Safety Information ................................. 3 Product Features ......................................................5 Before Y ou Start .....................................................5 General Installation Information .............................6 Firebox External Dimensions ............................[...]

71D0530 3 9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.l/NFPA54. 10. This unit complies with ANSI Z21.91 ventless firebox enclosures for gas-fired unvented decorative room heat- ers. 11. Do not install heater in a bathroom or bedroom. 12. Correct installation of the [...]

4 71D0530 IMPORT ANT SAFETY INFORMA TION Continued from page 3 16. Keep room area clear and free from combustible materi- als, gasoline and other flammable vapors and liquids. 17. Unvented gas heaters are a supplemental zone heater. They are not intended to be a primary heating appli- ance. 18. Unvented gas heaters emit moisture into the living are[...]

71D0530 5 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 dependabl[...]

6 71D0530 L J K 5 7/16" G F D E C 34 1/2" H A B I 1 1/4" 21 3/4" 6" 1 5/16" 2 1/2" 1 ¼" 5 7 / 16 " 21 ¾" 2 ½" 1 5 / 16 " 6" 34 ½" In planning the installation for the appliance it is necessary to determine where the unit is to be installed and whether optio nal accessories ar[...]

71D0530 7 E MINIMUM HEARTH DIMENSIONS GENERAL INST ALLA TION INFORMA TION AND LOCA TION OF FIREBOX Figure 2 - Minimum Hearth Dimensions LOCA TION OF FIREBOX Carefully select the best location for installation of your vent-free firebox. The following factors should be taken into consideration: • Clearance to side wall, ceiling, woodwork and window[...]

8 71D0530 9" Minimum 42" Minimum 9" Minimum 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. Follow these instructions carefully to ensure safe installation. Failure to follow these requirements may create a fire hazard. 1. Sidew[...]

71D0530 9 4. 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 6a . However, if lower mantel height is desired, refer to page 14 and see Figure 6b. 5. Floor clearance: This inner chamber firebox floor must be installed at least 5&q[...]

10 71D0530 H G D F E A C B A 1 / 2 "o r 5 / 8 " C A G C G A 1 / 2 " or 5 / 8 FIREPLACE FRAMING Firebox framing can be built before or after the appliance is set in place. Construct firebox framing following Figures 9 through 12 and the chart below for your specific installation requirements. See Figure 1 on Page 6 for firebox dimensi[...]

71D0530 11 K J FIREPLACE FRAMING GCUF32C with trim GCUF36C with trim GCUF42C with trim K 37 ⅞ " 41 ⅞ " 47 ⅞ " J 35 ⅞ " 35 ⅞ " 35 ⅞ " 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. L[...]

12 71D0530 GAS LINE INST ALLA TION 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 botom cen[...]

71D0530 13 CANOPY INST ALLA TION INST ALLING CANOPY A canopy is furnished with each firebox and MUST be installed for safe operation. See Figure 14. 1. Align the canopy with the holes in the top frame. 2. Secure the screws as shown. 3. Tighten side screws. Make sure the canopy is level and secure. The firebox canopy must not be modi fi ed or repla[...]

14 71D0530 Electrical connections should only be performed by a quali fi ed, licensed electrician, main power must be off when connecting to main electrical power supply or performing service. The blower when installed, must be electrically grounded in accordance with local codes or in the absence of local codes, with the National Electrical Code [...]

71D0530 15 4 1 5 6 4 2 3 7 ILLUSTRA TED P ARTS LIST ITEM DESCRIPTION QTY GCUF32C GCUF36C GCUF42C 1 Canopy 1 71D0023 71D0500 71D1000 2 Screen Panel 2 61D0001 61D0001 61D0003 3 Screen Rod 2 26D0138 26D0132 26D0133 4 Black Louver 6 26D0695 26D0697 26D0699 ACCESSORIES IN KITS 1 Standard Brass Canopy 1 BRCU32 BRCU36 BRCU42 1 Wide Brass Canopy 1 BRC32 BR[...]

16 71D0530 8'max. FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT 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[...]

71D0530 17 FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT 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 fi replace. Use the model AK4 combustion air kit. MODEL AK-4 COMBUSTION AIR ASSEMBL Y 1. Remove the cover plate from the 4" outlet ope[...]

18 71D0530 MODEL AK-4 COMBUSTION AIR ASSEMBL Y (CONTINUED) 7. If the duct is the insulated type, push the insulation back from one end of the duct approximately 2". See Figur e 23. 8. Slip the exposed end of the duct over the starting collar on the fi replace . 9. Using the sheet metal screws provided, secure the duct end to the collar attach[...]

71D0530 19 NOTES[...]

MA Y 2008 P/N 71D0530 • Rev . 6 MONESSEN HEARTH SYSTEMS LIMITED LIFETIME W ARRANTY 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 W ARRANTY The following components are warranted for 5 years to th[...]