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For use with a listed gas-fired 
unvented decorative room heater 
not to exceed 40,000 BTU/hr. 
Do 
not build a wood fi re.

READ AND SAVE THESE INSTRUCTIONS

WARNINGS

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 other fl ammable 

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 fi re 

department.

–  Installation and service must be performed by 

a qualified installer, service agency or the gas 
supplier.

LO-RIDER

UNVENTED 

VENT-FREE FIREBOXES 

INSTALLATION AND OPERATING 

INSTRUCTIONS

MODELS: 

LCUF32-F

LCUF32-R

LCUF36C-R

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.

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 fl ammable 

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 

fi re department.

–  Installation and service must be performed by 

a qualifi ed installer, service agency or the gas 
supplier.

WARNINGS

Summary of Contents for LCUF36-R

Page 1: ...NTED VENT FREE FIREBOXES INSTALLATION AND OPERATING INSTRUCTIONS MODELS LCUF32 F LCUF32 R LCUF36C R Carefully review the instructions supplied with the decorative type unvented room heater for the mini mum fireplace size requirement DO NOT INSTALL AN APPLIANCE IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS REQUIRED FOR THE INSTALLATION WARNINGS If the information in this manual i...

Page 2: ...on Information 6 Firebox External Dimensions 6 Minimum Hearth Dimensions 7 Location of Firebox 7 Clearances and Height Requirements 8 Firebox Framing 10 Gas Line Installation 12 Canopy Installation 13 Optional Equipment 14 Illustrated Parts Breakdown 14 Using Optional Outside Air Kit 15 Warranty Back Cover ...

Page 3: ...to operate a vent free gas heater in this firebox IMPORTANT SAFETY INFORMATION 1 Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies 2 Children and adults should be alerted to the hazard of high surface temperature and should stay away to avoid burns or clothing ignition 3 Young children should be carefully supervised when they are in the s...

Page 4: ...e reduced 4 percent for each 1 000 feet above sea level Refer to the National Fuel Gas Code 21 The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa 22 The appliance must be isolated from the gas supply piping system by closing its equipment shutoff valve durin...

Page 5: ...rating Instructions 2 Canopy 4 Five 5 sheet metal screws for canopy WHAT YOU WILL NEED FOR INSTALLATION TOOLS BUILDING SUPPLIES Phillips screwdriver Square Framing materials Hammer Piping complying with local codes Wall finishing materials Saw and or sabersaw Tee joint Caulking material noncombustible Level Pipe wrench Fireplace surround materials noncombustible Measuring tape Pliers Electric dril...

Page 6: ...ming or into prepared framing 2 Plumb gas line Gas connections should only be performed by an experienced licensed certified tradesman 3 Install vent free gas log heater per the instructions provided with the vent free gas log heater 4 Complete finish wall material surround and optional hearth extension to your individual taste GENERAL INSTALLATION INFORMATION Figure 1 Firebox Dimensions LCUF32 F ...

Page 7: ...windows or doors Installation must provide adequate ventilation and combustion air DO NOT INSTALL THIS FIREBOX IN A BEDROOM OR BATHROOM Location should be out of high traffic or windy or drafty areas DO NOT INSTALL WHERE CURTAINS FURNITURE CLOTHING OR OTHER FLAMMABLE OBJECTS ARE LESS THAN 42 FROM FRONT OF HEATER Never obstruct the front opening of the vent free firebox or restrict the flow of comb...

Page 8: ... back wall Figure 4 Clearance and Height Requirements 4 Floor clearance This inner chamber firebox floor must be installed at least 1 above any combustible flooring mate rial such as carpeting or asphalt tile which is closer than 14 to the base of the firebox See Figure 5 Or The inner chamber firebox floor may be installed nearer to the floor if a minimum of 14 of noncombustible material such as s...

Page 9: ...P VIEW Figure 8 Mantel Clearances CLEARANCES AND HEIGHT REQUIREMENTS 5 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 7A However if lower mantel height is desired see page 14 and Figure 7B for canopy options Figure 7A Mantel Clearances Figure 7B Mantel Clearances for Wide Profile ...

Page 10: ...pth of the 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 noncombustible finish material must not extend past or interfere with the fireplace opening The classification combustible material incudes but is not limited...

Page 11: ...mmodate the fireplace with trim installed is as follows Figure 13 Custom Cabinet Figure 14 Location of Nailing Flanges Nail Sides Through Nailing Flanges The fireplace must be installed giving full consideration to the clearance and height requirements identified in this manual WARNING This appliance is approved for the installation of drywall or other combustible materials against the sides or to...

Page 12: ...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 prevent movement when connecting to inlet ...

Page 13: ...the side frames See Figure 15 2 Align the canopy with the holes in the top frame 3 Replace the screws previously removed 4 Tighten side screws Make sure the canopy is level and secure 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 he...

Page 14: ...D0023 71D0023 71D0500 2 Screen Panel 2 070942 070942 26D4563 3 Screen Rod 2 26D0138 26D0138 26D0132K ACCESSORIES IN KITS 1 Standard Brass Canopy 1 BRCU32 BRCU32 BRCU36 1 Wide Brass Canopy 1 BRC32 BRC32 BRC36 4 Brass Trim Curved Design 1 BRTK32C BRTK32C BRTKM36C 4 Pewter Trim Curved Design 1 PWTK32C PWTK32C PWTKM36C 4 Black Trim Curved Design 1 BLTK32C BLTK32C BLTM36C 5 Outside Air Kit 1 AK 4 AK 4 ...

Page 15: ...pace or garage space 5 Locate air supply inlet at least 3 away from any appliance 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 See Figures 16 through 19 for methods of installing the outside air for combustion assemblies Figure 16 B...

Page 16: ...g collar with duct clamp or screws See Figure 21 DO NOT remove the cover if the outside air will not be connected WARNING Figure 20 Attaching Outside Air Starting Collar and Insulation Ring to Left Side of Fireplace Figure 21 Attaching Outside Duct to Starting Collar Insulation Ring AK 4 Starting Collar Sheet Meal Screws Left Side of Fireplace Shorter End of Air Starting Collar Air Starting Collar...

Page 17: ...ll 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 INSTALLING 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 over the end of each...

Page 18: ...in accordance with the installation instructions The Limited Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident neglect misuse abuse alteration negligence of others including the installation thereof by unqualified installers 2 the...

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