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UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
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
MODELS
NY108 AND NY109
Actual heater may
vary from illustration
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Related Manuals for Desa NY108
Summary of Contents for Desa NY108
- Page 1 SAFETY INFORMATION AND INSTALLATION MANUAL Actual heater may vary from illustration MODELS NY108 AND NY109 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 ..........2 Specifications ............ 23 Local Codes............4 Service Hints ............. 23 Product Identification ........... 4 Replacement Parts ..........23 Unpacking............4 Technical Service..........23 Product Features ..........4 Service Publications .......... 23 Air For Combustion and Ventilation ..... 5 Illustrated Parts Breakdown and Parts List.. - Page 3 SAFETY INFORMATION Surface of heater becomes very Continued hot when running heater. Keep children and adults away from DANGER: Carbon monoxide hot surface to avoid burns or poisoning may lead to death! clothing ignition. Heater will remain hot for a time after shut- Early signs of car- Carbon Monoxide Poisoning: down.
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Page 4: Local Codes
SAFETY INFORMATION PRODUCT IDENTIFICATION Continued 8. Do not run heater Control Knob Heater • where flammable liquids or vapors are Ignitor Button Cabinet used or stored • under dusty conditions 9. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture. -
Page 5: Air For Combustion And Ventilation
AIR FOR COMBUSTION Unusually Tight Construction AND VENTILATION The air that leaks around doors and windows 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. - Page 6 AIR FOR COMBUSTION 4. Compare the maximum Btu/Hr the space can AND VENTILATION support with the actual amount of Btu/Hr used. _______ Btu/Hr (maximum can support) Continued _______ Btu/Hr (actual amount) DETERMINING FRESH-AIR FLOW Example: 51,200 Btu/Hr (maximum the space can support) FOR HEATER LOCATION 60,000 Btu/Hr (actual amount of Determining if You Have a Confined or...
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Page 7: Installation
AIR FOR COMBUSTION AND VENTILATION Ventilated Outlet Attic Continued Outlet VENTILATION AIR To Attic Ventilation Air From Inside Building This fresh air would come from an adjoining Crawl unconfined space. When ventilating to an Space Inlet adjoining unconfined space, you must provide two permanent openings: one within 12"... - Page 8 INSTALLATION CAUTION: This heater cre- Continued ates warm air currents. These INSTALLATION ITEMS currents move heat to wall sur- Before installing heater, make sure you have faces next to heater. Installing the items listed below. heater next to vinyl or cloth wall •...
- Page 9 INSTALLATION Front Panel Screw Continued THERMOSTAT SENSING BULB Locate thermostat sensing bulb. 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in hardware package. 2. Snap clamp into upper mounting hole as shown in Figure 5. Mounting hole is located on lower left edge on back of heater.
- Page 10 INSTALLATION Attaching To Wall Anchor Method For attaching mounting bracket to hollow Continued walls (wall areas between studs) or solid walls 2. Mark screw locations on wall (see Figure 8). (concrete or masonry) Note: Only mark last hole on each end of 1.
- Page 11 INSTALLATION MOUNTING HEATER TO FLOOR WITH OPTIONAL FLOOR KIT Continued Mounting Base Feet to Heater Installing Bottom Mounting Screws Note: A 90° elbow is required for mounting 1. Locate two bottom mounting holes. These this unit and must be installed BEFORE base holes are near bottom on back panel of feet to provide proper clearance (see Figure heater (see Figure 12).
- Page 12 INSTALLATION Typical Inlet Pipe Diameters 20,000 Btu/Hr Models - 3/8" or greater Continued 30,000 Btu/Hr Models - 1/2" or greater CONNECTING TO GAS SUPPLY Propane/LP External Supply Tank WARNING: This appliance Regulator requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator.
- Page 13 INSTALLATION CAUTION: For propane/LP Continued gas, make sure external regula- Installation must include equipment shutoff tor has been installed between valve, union and plugged 1/8" NPT tap. Locate propane/LP supply and heater. NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see See guidelines under Connect- Figure 15, page 12).
- Page 14 INSTALLATION 7. Turn off heater (see To Turn Off Gas to Appliance, page 16). Continued 8. Replace front panel. PRESSURE TESTING HEATER GAS CONNECTING TO ELECTRICAL CONNECTIONS 1. Open equipment shutoff valve (see Figure SUPPLY) 16, page 13). WARNING: Fan accessory 2.
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Page 15: Operating Heater
OPERATING HEATER 5. Wait five minutes to clear out any gas. Then smell for gas, including near the FOR YOUR SAFETY READ floor. If you smell gas, STOP! Follow “B” BEFORE LIGHTING in the safety information, column 1. If you don’t smell gas, go to the next step. - Page 16 OPERATING HEATER MANUAL LIGHTING PROCEDURE Continued 1. Remove front panel (see Figure 7, page 9). CAUTION: Do not try to ad- 2. Follow steps 1 through 7 under Lighting just heating levels by using the Instructions, page 15. equipment shutoff valve. 3.
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Page 17: Inspecting Heater
INSPECTING HEATER BURNER FLAME PATTERN Check pilot flame pattern and burner flame WARNING: If yellow tipping pattern often. occurs, your heater could pro- PILOT FLAME PATTERN duce increased levels of carbon Figure 22 shows a correct pilot flame pattern. monoxide. Figure 23 shows an incorrect pilot flame pat- tern. -
Page 18: Cleaning And Maintenance
CLEANING AND 1. Shut off the unit, including the pilot. Allow MAINTENANCE the unit to cool for at least thirty minutes. 2. Inspect burner, pilot for dust and dirt. 3. Blow air through the ports/slots and holes WARNING: Turn off heater in the burner. -
Page 19: 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 20 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...
- Page 21 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Yellow flame during burner 1. Not enough air 1. Check burner for dirt and combustion debris. If found, clean burner (see Cleaning and Maintenance, page 18) 2. Gas regulator defective 2. Replace gas regulator 3.
- Page 22 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 23: Specifications
You may feel your gas pressure is too low. If part(s), either contact your nearest Parts so, contact your local natural or propane/LP Central (see page 27) or call DESA Heat- gas supplier. ing Products at 1-866-672-6040 for referral information. -
Page 24: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN MODELS NY108 AND NY109 www.desatech.com 119169-01E... -
Page 25: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. NO. PART NO. DESCRIPTION QTY. 097159-04 Piezo Ignitor • • 107673-03 Front Panel •... -
Page 26: Wiring Diagrams
Purchase these heater accessories from your local dealer. If they can not supply these ac- cessories, either contact your nearest Parts Central (see page 27) or call DESA Heating Products at 1-866-672-6040 for referral in- formation. You can also write to the address listed on the back page of this manual. -
Page 27: Parts Centrals
PARTS CENTRALS 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 1-800-397-7553 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.