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UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
MODELS GWRP16, GWRN18, GWRP26, GWRN30
GWRP16T, GWRN18T, GWRP26T AND GWRN30T
WARNING: If the information in this manual is not fol-
lowed 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 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 fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
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Related Manuals for Desa GWRN18
Summary of Contents for Desa GWRN18
- Page 1 UNVENTED (VENT-FREE) INFRARED GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL MODELS GWRP16, GWRN18, GWRP26, GWRN30 GWRP16T, GWRN18T, GWRP26T AND GWRN30T WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
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Page 2: Table Of Contents
TAbLE OF CONTENTS Safety Information .......... Service Hints ............. 17 Local Codes............4 Technical Service..........17 Unpacking............4 Troubleshooting ..........18 Product Identification ........... 4 Specifications ............ 1 Product Features ..........4 Illustrated Parts Breakdown and Parts List.. Air For Combustion and Ventilation ..... -
Page 3: Safety Information
SAFETY INFORMATION Keep the appliance area clear Continued and free from combustible ma- terials, gasoline and other flam- Natural and Propane/LP Gas: Natural and Propane/LP gases are odorless. An odor- mable vapors and liquids. making agent is added to these gases. The 1. -
Page 4: Local Codes
SAFETY INFORMATION 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. -
Page 5: Air For Combustion And Ventilation
AIR FOR COMbUSTION Unusually Tight Construction The air that leaks around doors and windows AND VENTILATION may provide enough fresh air for combus- tion and ventilation. However, in buildings of WARNING: This heater shall unusually tight construction, you must provide not be installed in a confined additional fresh air. - Page 6 AIR FOR COMbUSTION Example: 51,200 Btu/Hr (maximum the space can support) AND VENTILATION 60,000 Btu/Hr (actual amount of Continued Btu/Hr used) The space in the above example is a confined DETERMINING FRESH-AIR FLOW space because the actual Btu/Hr used is more FOR HEATER LOCATION than the maximum Btu/Hr the space can sup- port.
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Page 7: Installation
AIR FOR COMbUSTION 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 heater as your pri- 12" mary heat source. If you have a central heating system, you may Ventilation Grills run system’s circulating blower... - Page 8 INSTALLATION IMPORTANT: Vent-free heaters add moisture 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 moisture. See Air for Combustion and Ventila- This heater is designed to be mounted on a wall. tion, page 5.
- Page 9 INSTALLATION Marking Screw Locations 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 WARNING: Maintain mini- Locate mounting bracket in heater carton. Re- move mounting bracket from heater carton. mum clearances shown in Figure 8.
- Page 10 INSTALLATION Horizontal Slots Continued Mounting Bracket Attaching To Wall Stud Method (attached For attaching mounting bracket to wall studs to wall) 1. Drill holes at marked locations using 9/64" Stand-Out Tab drill bit. 2. Place mounting bracket onto wall. Line up last hole on each end of bracket with holes drilled in wall.
- Page 11 INSTALLATION CONNECTING TO GAS SUPPLY Continued WARNING: This appliance MOUNTING HEATER TO FLOOR requires a 3/8" NPT (National WITH OPTIONAL FLOOR KIT Pipe Thread) inlet connection to Mounting Base Feet to Heater the pressure regulator. Note: A 90° elbow is required for mounting this unit and must be installed BEFORE base WARNING: A qualified service feet to provide proper clearance (see Figure...
- Page 12 INSTALLATION Installation must include equipment shutoff valve, union and plugged 1/8" NPT tap. Locate Continued NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see CAUTION: Use only new, Figure 15). black iron or steel pipe. Inter- IMPORTANT: Install an equipment shutoff nally-tinned copper tubing may valve in an accessible location.
- Page 13 INSTALLATION shutoff valve (see Figure 18). Apply a noncorrosive leak detection fluid to all Continued joints. Bubbles forming show a leak. 4. Correct all leaks at once. CAUTION: For propane/LP PRESSURE TESTING HEATER GAS gas, make sure external regula- CONNECTIONS tor has been installed between 1.
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Page 14: Operating Heater
OPERATING HEATER position. Press in control knob for five (5) seconds. FOR YOUR SAFETY READ Manual Models: Press in and turn control BEFORE LIGHTING knob counterclockwise to the PI- LOT position. Keep control knob pressed WARNING: If you do not fol- in for five (5) seconds. - Page 15 OPERATING HEATER Control Knob Burners Continued CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve. Ignitor Control Button Knob Figure 20 - Control Knob In The OFF Position for Thermostat Models Ignitor Electrode Figure 22 - Burner Patterns for Manual Pilot Control Models Burner...
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Page 16: Inspecting Heater
OPERATING HEATER INSPECTING HEATER Continued Check pilot flame pattern and burner flame pattern often. THERMOSTAT CONTROL PILOT FLAME PATTERN OPERATION Figure 24 shows a correct pilot flame pattern. The thermostatic control used on these Figure 25 shows an incorrect pilot flame pat- models differs from standard thermostats. -
Page 17: Cleaning And Maintenance
You can also visit DESA Heating Products’ tech- nical service web site at www.desatech.com. 1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. -
Page 18: Troubleshooting
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... - Page 19 TROUbLESHOOTING Continued OBSERvED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. C o n t r o l k n o b n o t f u l l y 1. Press in control knob fully goes out when control knob pressed in is released 2.
- Page 20 TROUbLESHOOTING 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.
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Page 21: Specifications
SPECIFICATIONS GWRN18 AND GWRN18T GWRP16 AND GWRP16T • Natural Gas • Propane/LP Gas • 18,000 Btu/hr (GWRN18 is variable) • 16,000 Btu/hr (GWRP16 is variable) • Piezo Ignition • Piezo Ignition • Pressure Regulator Setting: 6" W.C. • Pressure Regulator Setting: 8" W.C. - Page 22 ILLUSTRATED PARTS bREAkDOWN CABINET BODY MODELS GWRP16, GWRN18, GWRP26, GWRN30, GWRP16T, GWRN18T, GWRP26T AND GWRN30T See pages 4 and 5 www.desatech.com 107885-01N...
- Page 23 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. NO. PART NO. DESCRIPTION 10767-01 Front Panel • • • • 107676-01 Front Panel •...
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Page 24: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS bREAkDOWN AND PARTS LIST BURNER ASSEMBLY MODELS GWRP16, GWRN18, GWRP26 AND GWRN30 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. Burner Assembly GWRP16 and GWRN18 Burner Assembly GWRP26 and GWRN30 NO. - Page 25 ILLUSTRATED PARTS bREAkDOWN AND PARTS LIST BURNER ASSEMBLY MODELS GWRP16T, GWRN18T, GWRP26T AND GWRN30T This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. Burner Assembly Burner Assembly GWRP26T and GWRN30T GWRP16T and GWRN18T...
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Page 26: Replacement Parts
This will protect your warranty coverage for cessories, either contact your nearest Parts parts replaced under warranty. Central (see page 27) or call DESA Heating PARTS UNDER WARRANTY Products at 1-866-672-6040 for referral in- Contact authorized dealers of this product. If formation. -
Page 27: Parts Central
PARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Tool & Equipment Co. Washer Equipment Co. 5 Manila Ave 1715 Main Street Hamden, CT 06514-0322 Kansas City, MO 64108-2195 1-800-7-755 KS, MO, AR... -
Page 28: Warranty Information
LIMITED WARRANTIES FOR NEW AND FACTORY RECONDITIONED PRODUCTS New Products: DESA Heating Products warrants this heater and any parts thereof, to be free of defects in materials and workmanship for two (2) years from the date of first purchase, when operated and maintained in accordance with the manufacturer's instructions.