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VENT-FREE GAS HEATER
SAFETY INFORMATION AND
TM
INSTALLATION MANUAL
For more information, visit www.desatech.com For more information, visit www.desatech.com
GWN6, GWP6
GWN10, GWP10
GWN10T, GWP10T
GWRN10 AND GWRP10
WARNING: Improper installa-
WARNING: If the information in this manual is not
tion, adjustment, alteration, ser-
followed exactly, a fire or explosion may result caus-
vice, or maintenance can cause
ing property damage, personal injury, or loss of life.
injury or property damage. Re-
f
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TABLE OF CONTENTS 2 SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 20 UNPACKING ............................................................................... 3 SPECIFICATIONS .................................................................... 26 PRODUCT IDENTIFICATION ..................................................... 3 REPLACEMENT PARTS ...............................
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SAFETY INFORMATION 3 UNPACKING 3 PRODUCT IDENTIFICATION PRODUCT FEATURES LOCAL CODES SAFETY INFORMATION PRODUCT IDENTIFICATION Continued Piezo Ignitor Piezo Ignitor 4. If you smell gas Button Button Control Knob Control Knob • 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 Grill • Immediately call your gas supplier from a neighbor’s phone. Guard Follow the gas supplier’s instructions Glass Burners • If you canno
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AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation 4 Determining Fresh-Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION c. caulking or sealants are applied to areas such as joints WARNING: This heater shall not be installed in a around window and door frames, between sole plates confined space or unusually tight construction un- and floors, between wall-ceiling joints, between wall pan- less provisions are provided for adequate combus- els, at penetrations for plum
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AIR FOR COMBUSTION AND VENTILATION 5 Determining Fresh-Air Flow For Heater Location 5 Ventilation Air VENTILATION AIR AIR FOR COMBUSTION AND Ventilation Air From Inside Building VENTILATION Continued This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must 3. Add the Btu/Hr of all fuel burning appliances in the space. provide two permanent openings: one within 12" of the ceiling and Vent-free heater _____________ Btu/Hr one within
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INSTALLATION Check Gas Type 6 INSTALLATION WARNING: Never install the heater NOTICE: This heater is intended for use as supple- • in a bathroom (10,000 Btu/hr only. 6,000 Btu/hr mod- mental heat. Use this heater along with your primary els are allowed in a bathroom. Check local codes.) heating system. Do not install this heater as your • in a recreational vehicle primary heat source. If you have a central heating • where curtains, furniture, clothing, or other flam- system, you may run system’s
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INSTALLATION 7 Installation Items 7 Locating Heater Installing Heater To Wall INSTALLATION Continued 3. Insert wall anchor (wings first) into hole. Tap anchor flush to INSTALLING HEATER TO WALL wall. Marking Screw Locations 4. For thin walls (1/2" or less), insert red key into wall anchor. 1. Determine where you will locate heater. Push red key to “pop” open anchor wings (see Figure 7). IMPORTANT: Do not hammer key! For thick walls (over 1/2" thick) or solid walls, do not pop open wings. WARNIN
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INSTALLATION Installing Heater To Wall (Cont.) 8 Connecting To Gas Supply INSTALLATION Continued Removing Front Panel Of Heater CONNECTING TO GAS SUPPLY 1. Remove two screws near bottom corners of front panel. WARNING: This appliance requires a 3/8" NPT 2. Lift straight up on grill guard until it stops. Grill guard will slide (National Pipe Thread) inlet connection to the pres- up about 1/4". sure regulator. 3. Pull bottom of front panel forward, then down. WARNING: A qualified service person
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INSTALLATION 9 Connecting To Gas Supply (Cont.) 9 Checking Gas Connections INSTALLATION Continued Installation must include equipment shutoff valve, union, and plugged CHECKING GAS CONNECTIONS 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 13). WARNING: Test all gas piping and connections IMPORTANT: Install an equipment shutoff valve in an accessible for leaks after installing or servicing. Correct all leaks location. The equip
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INSTALLATION Checking Gas Connections (Cont.) 10 INSTALLATION Continued Control Valve Location Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 14). 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas, or using Gas compressed air. Meter 3. Check all joints from gas meter for natural or propane/LP supply to equipment shutoff va
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OPERATING HEATER (Manual Control Blue Flame Models) 11 For Your Safety Read Before Lighting 11 Lighting Instructions OPERATING HEATER • If control knob does not pop up when released, contact a MANUAL CONTROL BLUE FLAME qualified service person or gas supplier for repairs. MODELS 6. With control knob pressed in, push down and release igni- tor button. This will light pilot. The pilot is attached to the front of burner. If needed, keep pressing ignitor button until FOR YOUR SAFETY READ pilot light
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OPERATING HEATER (Manual Control Blue Flame Models) To Turn Off Gas To Appliance 12 Manual Lighting Procedure OPERATING HEATER (Manual Control Infrared Models) For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER Continued C. Use only your hand to push in or turn the gas control knob. TO TURN OFF GAS Never use tools. If the knob will not push in or turn by TO APPLIANCE hand, don’t try to repair it, call a qualified service techni- cian or gas supplier. Force or attempted r
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OPERATING HEATER (Manual Control Infrared Models) 13 To Select Heating Level 13 To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING HEATER (Thermostat Control Blue Flame and Infrared Models) For Your Safety Read Before Lighting OPERATING HEATER Continued MANUAL LIGHTING TO SELECT PROCEDURE HEATING LEVEL 1. Remove front panel (see Figure 10, page 8). WARNING: When running heater, set control knob 2. Follow steps 1 through 5 under Lighting Instructions, at LOW or HIGH locked position
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OFF HI OPERATING HEATER (Thermostat Control Blue Flame and Infrared Models) Lighting Instructions 14 To Turn Off Gas To Appliance Thermostat Control Operation Manual Lighting Procedure OPERATING HEATER Continued Ignitor Electrode Ignitor Button Thermocouple LIGHTING Pilot Burner Control Knob INSTRUCTIONS 1. STOP! Read the safety information, page 13, column 2. 2. Make sure equipment shutoff valve is fully open. IGNITOR 3. Turn control knob clockwise to the OFF position Clockwise (see Figure 22)
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INSPECTING BURNER 15 Pilot Flame Pattern 15 Burner Flame Pattern Blue Flame Models Burner Flame Pattern Infrared Models INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching 1/2 GLASS HEIGHT the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down. (Models GWN6
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CLEANING AND MAINTENANCE ODS/Pilot and Burner Orifice 16 Cleaning Burner Pilot Air Inlet Hole Cabinet CLEANING AND MAINTENANCE Clean the pilot assembly also. A yellow tip on the pilot flame WARNING: Turn off heater and let cool before indicates dust and dirt in the pilot assembly. There is a small pilot cleaning. air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see Figure 30). With the unit off, lightly blow air through the air inlet hole. You may blow
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TROUBLESHOOTING 17 17 TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off heater needle, or similar object to clean and let cool before servicing. Only Note: For additional help, visit DESA ODS/pilot. This can damage ODS/ a qualified service person should International’s technical service web site pilot unit. service and repair heater. at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pr
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TROUBLESHOOTING 18 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and Maintenance, page 16) or replace burner orifice 2. Inlet gas pressure is too low 2. Contact local natural or propane/LP gas company Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local natural or propane/LP gas company 2. Burner orifice is clogged 2. Clean burner orifice (see
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TROUBLESHOOTING 19 19 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. Follow 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 supplies, paint, paint remover, ci
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ILLUSTRATED PARTS BREAKDOWN 20 GWP6, GWN6, GWP10 and GWN10 ILLUSTRATED PARTS 22 BREAKDOWN 23 21 24 GWP6 27 GWN6 GWP10 20 GWN10 10 16 13 14 12 25 10 4 26 11 15 18 7 9 19 6 3 5 17 8 2 1 PILOT For more information, visit www.desatech.com For more information, visit www.desatech.com 107902-01D
