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LO-RIDER
UNVENTED
VENT-FREE FIREBOXES
INSTALLATION AND OPERATING
INSTRUCTIONS
MODELS:
LCUF32-F
LCUF32-R
LCUF36C-R
WW ARNINGS ARNINGS
For use with a listed gas-fired
unvented decorative room heater WARNINGS
If the information in this manual is not followed
not to exceed 40,000 BTU/hr. Do
exactly, a fire or explosion may result causing
not build a wood fi re.
If the information in this manual is not followed exactly,
property damage, personal injury or loss of life.
a fi re or explosion may
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CONTENTS Important Safety Information ................................. 3 Firebox Framing .....................................................10 Product Features ......................................................5 Gas Line Installation ..............................................12 Before You Start .....................................................5 Canopy Installation ................................................13 General Installation Information .............................6 Op
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IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. IMPORTANT Read these instructions carefully before installing or trying to operate a vent-free gas heater in this fi rebox. • 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 fi re, burns, explosion or carbon monoxide poisoning. • Do not allow fans to b
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IMPORTANT SAFETY INFORMATION Continued from page 3 24. Never burn solid fuels in a fireplace where a unvented room heater is installed. 16. Keep room area clear and free from combustible materi- als, gasoline and other flammable vapors and liquids. 25. Always have a fireplace screen in place when the appli- ance is in operation, and unless other provisions for 17. Unvented gas heaters are a supplemental zone heater. combustion air are provided, the screen shall have an They are not intended
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PRODUCT FEATURES Do not attempt to burn solid wood fuels, vented gas log sets, or any other combustible in this unvented fi rebox. Also, do not install a vent-free gas log set in this fi rebox if the minimum clearance and height requirements of the log set are too large for the fi rebox. The LCUF32-F and LCUF36C-R are vent-free fireboxes. They feature a self contained heat-circulating system. This instal- lation manual will enable you to obtain a safe, efficient and dependable installation of
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GENERAL INSTALLATION INFORMATION In planning the installation for the appliance it is necessary to determine where the unit is to be installed and whether optional accessories are desired. Gas supply piping should also be planned. The following steps represent the normal sequence of installation. Each installation is unique, however, and might require a different sequence. 1. Position firebox prior to framing or into prepared framing. 2. Plumb gas line. (Gas connections should only be perf
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GENERAL INSTALLATION INFORMATION AND LOCATION OF FIREBOX MINIMUM HEARTH DIMENSIONS LCUF32-F LCUF36C-R A 22 ⅜" 25 ⅞" B 12¾" 15" C 28 ⅝" 32½" D 28" 30¼" E 23¼" 25 ⅝" Figure 2 - Minimum Hearth Dimensions LOCATION 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 windows. See “Clearances/Height Requirements” on page 8. Minimum clearances to
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42" Minimum 6" 6" Minimum Minimum CLEARANCES AND HEIGHT REQUIREMENTS Ensure that minimum clearances shown in Figures 4 through 7 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. Sidewall clearances: The clearance from the inside of the appliance to any combustible wall should not be less than 6". See Figure 4. 2.
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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. 12" 10" Combustible material can contact top of 8" fi replace. 6" 23" 21" 1 2 /2" 19" 16" 12" Non-combustible material only if needed to cover radiant top face above Figure 7A - Mantel Cleara
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FIREBOX FRAMING Firebox framing can be built before or after the appliance is set in place. Construct fi rebox framing following Figures 9 through 12 and the chart below for your specifi c installation requirements. See Figure 1 on Page 6 for fi rebox dimensions. The framing headers may rest on the top of the fi rebox standoffs. The fi rebox may be installed directly on a combustible fl oor or raised on a platform of an appropriate height. When the fi rebox is installed directly on carpeting, tile
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FIREBOX FRAMING When finishing a custom cabinet, mantel, or other built-in enclosure, the open- ing size to accommodate the fireplace with trim installed is as follows: LCUF32-F with trim LCUF36C-R with trim K 37¾" 41¾" K J 35 ⅜" 38 ⅞" This appliance is approved for the installation of drywall or other combustible materials against the sides or top of the black-painted firebox face. J Noncombustible facings will not burn when exposed to heat coming off this fireplace. The classificatio
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GAS LINE INSTALLATION Plumbing connections should only be performed by a qualified, licensed plumber. Main gas supply must be off when plumbing gas line to fireplace or performing service. 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. 1 The /2" gas line may enter either from the left side or right side of the firebox. Gas access holes are provided
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CANOPY INSTALLATION INSTALLING CANOPY A canopy is furnished with each firebox and MUST be installed for safe operation. See Figure 15. The firebox canopy must not be modifi ed or replaced with a canopy that may be provided with the unvented decorative room heater. 1. Remove the three (3) screws from the top front frame assembly. Also remove the two (2) screws on the side frames. See Figure 15. 2. Align the canopy with the holes in the top frame. 3. Replace the screws previously remo
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OPTIONAL EQUIPMENT AND ILLUSTRATED PARTS LIST OPTIONAL WIDE CANOPY The optional wide canopy can be installed. See installation instructions provided with kit. ITEM DESCRIPTION QTY LCUF32-F LCUF32-R LCUF36C-R 1 Canopy 1 71D0023 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
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USING 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 minimum 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 fi replace. 3. Combustion air can be drawn from the crawl space under a house when an ade
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USING 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 ASSEMBLY DO NOT remove the 1. Remove the cover plate from the 4" outlet opening location on the left or cover if the outside air right outside of the fi replace. will not be connected. 2. Place the insulation ring between the A
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USING OPTIONAL AK-4 OUTSIDE AIR KIT MODEL AK-4 COMBUSTION AIR ASSEMBLY (CONTINUED) Approximately 7. If the duct is the insulated type, push the insulation back from one end of 2" the duct approximately 2". See Figure 23. Duct Connector 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 attached to the fi replace. 10. Nail or screw the combustion air assembly to the surface of the wall. Ins
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MONESSEN HEARTH SYSTEMS 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. BASIC WARRANTY Monessen Hearth Systems (MHS) warrants the compon
