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UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
MODELS
LCR16PT, LCR18NT, LCR26PT, LCR30NT
HDR16PT, HDR18NT, HDR26PT, HDR30NT
WARNING: 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.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appl
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TALE b OF CONTENTS Safety .................................................................. 2 Service Hints ..................................................... 17 Local Codes......................................................... 4 Technical Service............................................... 17 Unpacking............................................................ 4 Troubleshooting ................................................. 18 Product Identification ...............................
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SAFETY Keep the appliance area clear Continued and free from combustible ma- Natural and Propane/LP Gas: Natural and terials, gasoline and other flam- Propane/LP gases are odorless. An odor-mak- mable vapors and liquids. ing agent is added to these gases. The odor 1. This appliance is only for use with the type helps you detect a gas leak. However, the odor of gas indicated on the rating plate. This added to the gas can fade. Gas may be present appliance is not convertible for use with e
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SAFETY PRODUCT Continued IDENTIFICATION Control Knob 12. Operating heater above elevations of Ignitor Button 4,500 feet (1,371 m) could cause pilot outage. 13. To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. (45 kg) capacity. 14. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If Grill heated, the vapors from these products may Guard create a white powder residue within burner box or on adjacent walls or fur
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Unusually Tight Construction AIR FOR COMb USTION The air that leaks around doors and windows AND VENTILATION may provide enough fresh air for combustion and ventilation. However, in buildings of un- WARNING: This heater shall usually tight construction, you must provide not be installed in a confined additional fresh air. space or unusually tight con- Unusually tight construction is defined as struction unless provisions are construction where: a. walls and ceilings exposed to the outsid
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The space in the above example is a confined AIR FOR COMb USTION space because the actual Btu/Hr used is more AND VENTILATION than the maximum Btu/Hr the space can sup- Continued port. You must provide additional fresh air. Your options are as follows: DETERMINING FRESH-AIR FLOW A. Rework worksheet, adding the space of an FOR HEATER LOCATION adjoining room. If the extra space provides an unconfined space, remove door to adjoin- Determining if You Have a Confined or ing room or add ventil
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AIR FOR COMb USTION INSTALLATION AND VENTILATION NOTICE: This heater is intended Continued for use as supplemental heat. Use this heater along with your primary heating system. Do not install this 12" heater as your primary heat source. If you have a central heating system, you may run system’s circulating Ventilation Grills Into Adjoining Room, Ventilation Option 2 blower while using heater. This will Grills into Or Adjoining Remove Room, help circulate the heat throughout Door
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IMPORTANT: Vent-free heaters add moisture INSTALLATION to the air. Although this is beneficial, installing Continued heater in rooms without enough ventilation LOCATING HEATER air may cause mildew to form from too much This heater is designed to be mounted on a wall. moisture. See Air for Combustion and Ventila- tion, page 5. If high humidity is experienced, a dehumidifier may be used to help lower the WARNING: Maintain the water vapor content in the air. minimum clearances shown For co
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Marking Screw Locations INSTALLATION 1. Tape mounting bracket to wall where Continued heater will be located. Make sure mount- INSTALLING HEATER TO WALL ing bracket is level. Mounting Bracket Locate mounting bracket in heater carton. Re- WARNING: Maintain minimum move mounting bracket from heater carton. clearances shown in Figure 8. If you can, provide greater clearanc- es from floor and joining wall. 2. Mark screw locations on wall (see Figure 8). Note: Only mark last hole on each end of
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2. Mark screw locations on wall. INSTALLATION 3. Remove heater from mounting bracket. Continued 4. If installing bottom mounting screws into Attaching To Wall Anchor Method hollow or solid wall, install wall anchors. For attaching mounting bracket to hollow Follow steps 1 through 4 under Attaching walls (wall areas between studs) or solid walls To Wall Anchor Method. (concrete or masonry) If installing bottom mounting screw into 1. Drill holes at marked locations using wall stud, drill h
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IMPORTANT: For natural gas, check gas line INSTALLATION pressure before connecting heater to gas line. Continued Gas line pressure must be no greater than 3. Align holes in base foot with mounting holes 10.5" of water. If gas line pressure is higher, on bottom of cabinet (see Figure 13). heater regulator damage could occur. 4. Secure base foot to heater using sheet metal screws. CAUTION: For propane/LP 5. Repeat for other side. gas, never connect heater di- Wood rectly to the propane/LP
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Install sediment trap in supply line as shown INSTALLATION in Figure 15. Locate sediment trap where it Continued is within reach for cleaning. Locate sediment IMPORTANT: Install an equipment shutoff trap where trapped matter is not likely to valve in an accessible location. The equip- freeze. A sediment trap traps moisture and ment shutoff valve is for turning on or shutting contaminants. This keeps them from going off the gas to the appliance. into heater controls. If sediment trap is not
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Thermostat Gas Valve INSTALLATION Continued 4. Check all joints of gas supply piping system. Apply a noncorrosive leak detection fluid to Gas all joints. Bubbles forming show a leak. Meter 5. Correct all leaks at once. 6. Reconnect heater and equipment shutoff valve to gas supply. Check reconnected Equipment fittings for leaks. Shutoff Test Pressures Equal To or Less Than Valve 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Fig- Figure 17 - Checking Gas Joints for ure 16). Nat
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Note: You may be running this heater for OPERATION the first time after hooking up to gas sup- Continued ply. If so, you may need to press in control WHAT TO DO IF YOU SMELL GAS knob for 30 seconds or more. This will • Do not try to light any appliance. allow air to bleed from the gas system. If needed, keep pressing ignitor button until • Do not touch any electric switch; do not use any phone in your building. pilot lights. If ignitor does not light pilot, re- fer to Troubleshooting, pa
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THERMOSTAT CONTROL OPERATION OPERATION Continued The thermostatic control used on these TO SELECT models differs from standard thermostats. HEATING LEvEL Standard thermostats simply turn on and off the burner. The thermostat used on this heater WARNING: When running senses the room temperature. At times the heater, set control knob at LOW, room may exceed the set temperature. If so, the burner will shut off. The burner will cycle MED or HI locked positions. back on when room tempera
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INSPECTING HEATER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern. Figure 23 shows an incorrect pilot flame pat- tern. The incorrect pilot flame is not touching Figure 24 - Correct Burner Flame Pattern the thermocouple. This will cause the thermo- couple to cool. When the thermocouple cools, the heater will shut down. If pilot flame pattern is incorrect, as shown in Figure 23 • turn heater off (see To Turn Off Gas
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CABINET CLEANING Continued Air Passageways Use pressurized air to clean. ODS/PILOT AND BURNER Use a vacuum cleaner, pressurized air or Exterior Use a soft cloth dampened with a mild soap small, soft bristled brush to clean. and water mixture. Wipe the cabinet to re- BURNER PILOT AIR INLET move dust. The primary air inlet holes allow the proper amount of air to mix with the gas. This pro- SERVICE HINTS vides a clean burning flame. Keep these holes When Gas Pressure Is Too Low clear of dust, di
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TROUbLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERvED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is 1. Ignitor electrode positioned 1. Replace pilot assembly pressed in, there is no spark wrong at ODS/pilot 2. Ignit
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TROULESHOO b TING Continued OBSERvED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob pressed in is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep long enough control knob pressed in 30 seconds 3. Equipment shutoff valve not 3. Fully open equipment shut- fully open off valve 4. Thermocouple connection 4. Hand tighten until snug, loose at control valve then tighten 1/4 turn mor
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TROULESHOO b TING Continued WARNING: If you smell gas • Shut off gas supply. • 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. Fol- low the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning sup- plies, paint, paint remover, cigarette smoke, c
