Monessen Hearth GCUF Series Installation And Operating Instructions Manual Download

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GCUF/GRUF Vent-Free Fireboxes

Monessen • GCUF/GRUF Owner Manual • 71D0530 • Rev G • 01/20

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 ................................5

Before You Start ......................................................5

What You Will Need for Installation .........................5

Firebox and Framing Dimensions

..............................6

Hearth Dimensions ......................................................7

Firebox Location

..........................................................7

Minimum Clearances...................................................8

Firebox Framing

..........................................................9

Fireplace Installation .................................................10
Canopy Installation ...................................................10
Gas Line Installation .................................................11

Combustion Air

..........................................................12

Optional AK4 Outside Air Kit .................................13

Model 403 Duct Connector ...................................14

Optional Equipment

..................................................15

Service Parts

.............................................................16

Warranty .....................................................................19

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Summary of Contents for GCUF Series

Page 1: ...your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier 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 NO...

Page 2: ...ilure to follow these instructions may result in a possible fire hazard and will void the warranty Important Safety Information 3 General Installation Information 5 Before You Start 5 What You Will Need for Installation 5 Firebox and Framing Dimensions 6 Hearth Dimensions 7 Firebox Location 7 Minimum Clearances 8 Firebox Framing 9 Fireplace Installation 10 Canopy Installation 10 Gas Line Installat...

Page 3: ... temporary occurrence IMPORTANT SAFETY INFORMATION 8 CARBON MONOXIDE POISONING Early signs of carbon monoxide poisoning are similar to the flu with headaches dizziness and or nausea If you have these signs obtain fresh air immediately Have the heater serviced as it may not be operating properly 9 The installation must conform with local codes or in the absence of local codes with the National Fuel...

Page 4: ... is installed 26 Always have a fireplace screen in place when the appliance is in operation and unless other provisions for combustion air are provided the screen shall have an opening s for induction of combustion air 27 Do not fill spaces around the firebox with insulation or other materials These spaces must be maintained to prevent the firebox from coming in contact with com bustible materials...

Page 5: ...U WILL NEED FOR INSTALLATION TOOLS and BUILDING SUPPLIES Phillips screwdriver Square Framing materials Hammer Saw and or saber saw Tee joint Level Pipe wrench Measuring tape Pliers Electric drill and bits Fireplace surround materials noncombustible Caulking material noncombustible Wall finishing materials Piping complying with local codes Pipe sealant approved for use with propane L P G resistant ...

Page 6: ...ms I 1 6 1 5 N 21 E H J L G K 34 Ref GCUF32C GRUF32C GCUF36C GRUF36C GCUF42C GRF42C A 37 41 47 B 32 36 42 C 16 18 18 D 29 32 38 E 185 8 205 8 205 8 F 233 8 273 8 333 8 G 131 4 153 4 153 4 H 18 175 8 175 8 I 297 8 34 40 J 71 8 93 4 93 4 K 8 81 4 81 4 L 23 4 21 4 21 4 M 371 4 411 4 471 4 N 35 35 35 O 151 2 171 2 171 2 P 433 4 483 4 53 Q 613 4 687 8 747 8 R 307 8 341 2 371 2 Figure 1 Firebox and Fram...

Page 7: ...must not be affected by drafts caused by kitchen exhaust fans ceiling fans return air registers for forced air furnaces air conditioners windows or doors Installation must provide adequate ventilation and com bustion air Location should be out of high traffic or windy or drafty areas DO NOT INSTALL WHERE CURTAINS FURNITURE CLOTHING OR OTHER FLAMMABLE OBJECTSARE LESS THAN 42 FROM FRONT OF HEATER Ne...

Page 8: ... 4 Clearance and Height Requirements 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 5 However if lower mantel height is desired refer to Page 14 Figure 6 NOTE The Monessen Barrington Cabinet Mantel Model series BWC300 BWC400 and BWC500 are specially designed to comply with all m...

Page 9: ... enclosure The classification noncombustible material includes but is not limited to stone brick and mortar Noncombustibles are safe to overlay the black painted metal face including radiant plates and do not pose a fire hazard Any noncom bustible finish material must not extend past or interfere with the fireplace opening The classification combustible material includes but is not limited to plyw...

Page 10: ...anopy is level and secure Figure 11 Installing Canopy FP2451 install canopy Screws Canopy FP2451 WARNING The firebox canopy must not be modified or replaced with a canopy that may be provided with the unvented decorative room heater WARNING Close fireplace screen panel before operating a decorative type unvented room heater 1 Bend out the nailing flanges located on each side of the firebox 2 Slide...

Page 11: ...r must be used on all propane L P G heaters in addition to the regulator fitted to the heater to reduce the supply tank pressure to 13 w c maximum Any copper tubing used to supply propane L P G from the tank must be internally tinned NOTE When connecting propane L P G vent free room heaters you must use pipe sealant resistant to propane L P G IMPORTANT Hold heater regulator with a wrench to preven...

Page 12: ... inlet at least 3 away from any ap pliance vent terminal 6 Avoid extremely long runs and numerous turns in the duct leading from the fireplace to the combustion air assembly These conditions increase the resistance to the free flow of air through the duct Refer to Figures 12 through 15 for methods of installing the outside air for combustion assemblies FP2459 OA basement install Above Snow Level G...

Page 13: ...he fireplace wall FP1900 OA start collar 8 08 Figure 16 Attach Outside Air Starting Collar and Insulation Ring to Left Side of Fireplace Insulation Ring AK4 Starting Collar Sheet Meal Screws Left Side of Fireplace Shorter End of Air Starting Collar 4 Attach outside duct to starting collar with duct clamp or screws Figure 17 5 Cut a 6 inch diameter opening for model AK4 in the outside wall covering...

Page 14: ...the surface of the wall NOTE If the wall covering is brick or stone use appropriate masonry fasteners If necessary splice the duct Use a model 403 duct connector to splice duct sections INSTALL MODEL 403 DUCT CONNECTOR 1 Push insulation back approximately 2 from the end of each duct 2 Slip each duct over duct connector until an equal length of connector extends into each duct 3 Place duct clamp ov...

Page 15: ...pewter louver kits may be installed in place of the factory installed black louvers Refer to installation instructions provided with the brass or pewter louvers OPTIONAL TRIM Optional trim kits can be used with unit when installed as a free standing fireplace with wood surround FIREBRICK Optional firebrick kits can be installed See installation instructions provided with kit OPTIONAL WIDE CANOPY T...

Page 16: ...esting service parts from your dealer or distributor Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 1 Canopy Black Paint 71D0023K Texture Paint 71D0023TK 2 Screen Panel Qty 2 req SRV61D0001 3 Screen Rod Qty 2 req 26D0138K 4 Black Louver Assembly GCUF Only Top 54D0900TK Bottom 54D0901TK Accessories 5 Blower w Rheostat BLOTMC 6 Black Trim Curved Design BLTK32C Black Trim Kit BLMTK32C 7 1 Ref...

Page 17: ...esting service parts from your dealer or distributor Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 1 Canopy Black Paint 71D0011K Texture Paint 71D0011TK 2 Screen Panel Qty 2 req SRV61D0001 3 Screen Rod Qty 2 req 26D0132K 4 Black Louver Assembly GCUF Only Top 54D0902TK Bottom 54D0903TK Accessories 5 Blower w Rheostat BLOTMC 6 Black Trim Curved Design BLTK36C Black Trim Kit BLMTK36C 7 1 Ref...

Page 18: ...vice parts from your dealer or distributor Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 1 Canopy Black Paint 71D1000K Texture Paint 71D1000TK 2 Screen Panel Qty 2 req SRV61D0003 3 Screen Rod Qty 2 req 26D0133K 4 Black Louver Assembly GCUF Only Top 54D0904TK Bottom 54D0905TK Accessories 5 Blower w Rheostat BLOTMC 6 Black Trim Curved Design No longer available BLTK42C Black Trim Kit BLMTK4...

Page 19: ...hever occurs earlier However the warranty shall commence no later than 24 months following the date of product shipment from HHT regardless of the installaƟon or occupancy date The warranty period for parts and labor for covered components is produced in the following table The term Limited LifeƟme in the table below is de ned as 20 years from the beginning date of warranty coverage for gas applia...

Page 20: ...codes 3 shipping or improper handling 4 improper opera on abuse misuse con nued opera on with damaged corroded or failed components accident or improperly incorrectly performed repairs 5 environmental condi ons inadequate ven la on nega ve pressure or dra ing caused by ghtly sealed construc ons insuﬃcient make up air supply or handling devices such as exhaust fans or forced air furnaces or other s...

Page 21: ...21 GCUF GRUF Vent Free Fireboxes Monessen GCUF GRUF Owner Manual 71D0530 Rev G 01 20 This page intentionally left blank ...

Page 22: ...22 GCUF GRUF Vent Free Fireboxes Monessen GCUF GRUF Owner Manual 71D0530 Rev G 01 20 Monessen a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 50044 www monessenhearth com ...

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