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UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
PFS
®
US
MODELS
GWRP16C, GWRN18C, GWRP26C, GWRN30C,
GWRP16TC, GWRN18TC, GWRP26TC, GWRN30TC
VSHRP16M, VSHRP16T, VSHRN18M, VSHRN18T,
VSHRP26M, VSHRP26T, VSHRN30M, AND VSHRN30T
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 vi
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TABLE OF CONTENTS Safety .................................................................. 2 Specifications .................................................... 18 Local Codes......................................................... 4 Troubleshooting ................................................. 19 Product Identification ........................................... 4 Parts .................................................................. 22 Unpacking.........................................
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SAFETY Continued Natural and Propane/LP Gas: Natural and Keep the appliance area clear propane/LP gases are odorless. An odor- and free from combustible ma- making agent is added to these gases. The terials, gasoline and other flam- odor helps you detect a gas leak. However, the odor added to the gas can fade. Gas may be mable vapors and liquids. present even though no odor exists. 1. This appliance is only for use with the type Make certain you read and understand all of gas indicated on
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SAFETY Continued 11. Turn off and unplug heater and let cool 14. Before using furniture polish, wax, carpet before servicing. Only a qualified service cleaner or similar products, turn heater off. person should service and repair heater. If heated, the vapors from these products may create a white powder residue within 12. Operating heater above elevations of burner box or on adjacent walls or furni- 4,500 feet (1,371 m) could cause pilot ture. outage. 15. Provide adequate clearances aro
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AIR FOR COMBUSTION AND VENTILATION Unusually Tight Construction WARNING: This heater shall The air that leaks around doors and windows may provide enough fresh air for combustion not be installed in a room or space and ventilation. However, in buildings of un- unless the required volume of in- usually tight construction, you must provide door combustion air is provided additional fresh air. by the method described in the Unusually tight construction is defined as National Fuel Gas Code,
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AIR FOR COMBUSTION AND VENTILATION Continued The space in the example is a confined space DETERMINING FRESH-AIR FLOW because the actual Btu/Hr used is more than the FOR HEATER LOCATION maximum Btu/Hr the space can support. You Determining if You Have a Confined or must provide additional fresh air. Your options Unconfined Space are as follows: Use this work sheet to determine if you have A. Rework worksheet, adding the space of an a confined or unconfined space. adjoining room. If the ex
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AIR FOR COMBUSTION AND VENTILATION Continued ing and one within 12" (30.5 cm) of the floor. Connect these items directly to the outdoors 12" or spaces open to the outdoors. These spaces include attics and crawl spaces. Follow the Na- tional Fuel Gas Code, ANSI Z223.1/NFPA 54, Ventilation Grills Into Adjoining Room, Air for Combustion and Ventilation for required Ventilation Option 2 Grills into Or size of ventilation grills or ducts. Adjoining Remove Room, Door into Option 1 IMP
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INSTALLATION Continued IMPORTANT: Vent-free heaters add moisture LOCATING HEATER to the air. Although this is beneficial, installing This heater is designed to be mounted on a wall. heater in rooms without enough ventilation air may cause mildew to form from too much WARNING: Maintain the moisture. See Air for Combustion and Ventila- minimum clearances shown tion, page 5. If high humidity is experienced, in Figure 4. If you can, provide a dehumidifier may be used to help lower the gre
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INSTALLATION Continued INSTALLING HEATER TO WALL MARKING SCREW LOCATIONS 1. Tape mounting bracket to wall where Mounting Bracket heater will be located. Make sure mount- Locate mounting bracket in heater carton. Re- ing bracket is level. move mounting bracket from heater carton. WARNING: Maintain minimum clearances shown in Figure 8. If you can, provide greater clearanc- es from floor and joining wall. Figure 6 - Mounting Bracket 2. Mark screw locations on wall (see Figure 8). Removing Fr
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INSTALLATION Continued Attaching To Wall Anchor Method 3. Remove heater from mounting bracket. For attaching mounting bracket to hollow 4. If installing bottom mounting screws into walls (wall areas between studs) or solid walls hollow or solid wall, install wall anchors. (concrete or masonry) Follow steps 1 through 4 under Attaching 1. Drill holes at marked locations using To Wall Anchor Method. 5/16" drill bit. For solid walls (concrete or If installing bottom mounting screw into ma
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INSTALLATION Continued 3. Align holes in base foot with mounting holes IMPORTANT: For natural gas, check gas line on bottom of cabinet (see Figure 13). pressure before connecting heater to gas line. 4. Secure base foot to heater using sheet Gas line pressure must be no greater than metal screws. 10.5" W.C.. If gas line pressure is higher, 5. Repeat for other side. heater regulator damage could occur. Wood CAUTION: For propane/LP Screw gas, never connect heater di- rectly to the propan
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INSTALLATION Continued IMPORTANT: Install an equipment shutoff WARNING: Use pipe joint valve in an accessible location. The equip- ment shutoff valve is for turning on or shutting sealant that is resistant to liquid off the gas to the appliance. petroleum (LP) gas. Check your building codes for an special Install sediment trap in supply line as shown requirements for locating equipment shutoff in Figure 15. Locate sediment trap where it valve to heater. is within reach for cleaning. Loc
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INSTALLATION Continued 2. Cap off open end of gas pipe where equip- 2. For natural gas, open main gas valve lo- ment shutoff valve was connected. cated on or near gas meter. For propane/ LP gas, open propane/LP supply tank 3. Pressurize supply piping system by either valve. opening propane/LP supply tank valve for propane/LP gas or opening main gas 3. Make sure control knob of heater is in the valve located on or near gas meter for OFF position. natural gas or using compressed air. 4. Check
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OPERATION FOR YOUR SAFETY in the safety information, column 1. If you don’t smell gas, go to the next step. READ BEFORE LIGHTING 6. Thermostat Models: Turn control knob counterclockwise to the PILOT WARNING: If you do not fol- position. Press in control knob for five (5) low these instructions exactly, seconds. a fire or explosion may result Manual Models: Press in and turn control causing property damage, per- knob counterclockwise to the PILOT sonal injury or loss of life. positi
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OPERATION Continued 10. To shut off burners only and leave pilot Control 16,000 & 26,000 & lit, turn control knob clockwise to Knob 18,000 Btu/Hr 30,000 Btu/Hr the PILOT position. WARNING: Always operate manual control heaters at the HI HI locked positions. Operation between these positions may create a possible health hazard MED MED if used in a poorly ventilated room. Read owner’s manual for complete instructions. LOW LOW CAUTION: Do not try to ad- just heating levels by usin
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OPERATION Continued THERMOSTAT CONTROL CAUTION: Label all wires OPERATION prior to disconnection when The thermostatic control used on these servicing controls. Wiring errors models differs from standard thermostats. can cause improper and danger- Standard thermostats simply turn on and off the burner. The thermostat used on this heater ous operation. senses the room temperature. At times the room may exceed the set temperature. If so, CAUTION: Do not plug power the burner will sh
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INSPECTING HEATERS Check pilot flame pattern and burner flame BURNER FLAME PATTERN patterns often. Figure 28 shows a correct burner flame pat- tern. Figure 29 shows an incorrect burner PILOT FLAME PATTERN flame pattern. Figure 26 shows a correct pilot flame pattern. Figure 27 shows an incorrect pilot flame pat- If burner flame pattern is incorrect, as shown in Figure 29 tern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple • turn heater off (see
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CLEANING AND MAINTENANCE Continued We also recommend that you keep the burner assembly. There is a small pilot air inlet hole tube and pilot assembly clean and free of dust about 2" from where the pilot flame comes out and dirt. To clean these parts we recommend of the pilot assembly (see Figure 30). With the using compressed air no greater than 30 PSI. unit off, lightly blow air through the air inlet Your local computer store, hardware store or hole. You may blow through a drinking straw h
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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. Ign
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TROUBLESHOOTING 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. Pilot flame not touching 4. A) Contact local natural or thermocouple, which al- propane/LP gas company
