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BLUE FLAME VENT-FREE NATURAL GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
CG6N
CG10N
CGS10N
10,000 and 6,000 Btu/Hr
Thermostat and
Non-Thermostat Models
WARNING: Improper installa-
WARNING: If the information in this manual is
tion, adjustment, alteration,
not followed exactly, a fire or explosion may
service, or maintenance can
result causing property damage, personal in-
cause injury or property dam-
jury, or loss of life.
age. Refer to this manual for
correct installation and opera-
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NATURAL GAS HEATER 5. If heater shuts off, do not relight until Do not place clothing or other SAFETY you provide fresh, outside air. If heater flammable material on or near keeps shutting off, have it serviced. INFORMATION the appliance. Never place any 6. Do not run heater objects on the heater. WARNINGS • where flammable liquids or vapors are used or stored Surface of heater becomes very IMPORTANT: Read this owner’s • under dusty conditions hot when running heater. Keep manual carefully and
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OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Control Knob SAFETY DEVICE Piezo Ignitor This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff sys- tem. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air. PIEZO IGNITION SYSTEM This heater has a piezo ignitor. This system Grill Guard requires no matches, batteries, or other sources to light heater. Glass THERMOSTATIC HEAT Panel CONTROL
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NATURAL GAS HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code, ANS Z223.1 COMBUSTION AND defines a confined space as a space whose The following are excerpts from National VENTILATION volume is less than 50 cubic feet per 1,000 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- 3 Btu per hour (4.8 m per kw) of the aggre- tion 5.3, Air for Combustion and Ventilation. gate input rating of all appliances installed WARNING: This heater shall All spaces in h
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _________________ cu.
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NATURAL GAS HEATER AIR FOR COMBUSTION AND VENTILATION 12" Continued VENTILATION AIR Ventilation Air From Inside Ventilation Grills Building Into Adjoining Room, Ventilation Option 2 Grills Or This fresh air would come from an adjoining into Adjoining Remove unconfined space. When ventilating to an Room, Door into adjoining unconfined space, you must pro- Option 1 Adjoining vide two permanent openings: one within Room, Option 3 12" of the ceiling and one within 12" of the floor on the wall
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OWNER’S MANUAL CEILING LOCATING HEATER INSTALLATION This heater is designed to be mounted on a wall. NOTICE: This heater is intended 36" for use as supplemental heat. Use Minimum WARNING: Maintain the mini- 6" this heater along with your pri- Minimum mum clearances shown in Figure From mary heating system. Do not in- 4. If you can, provide greater clear- Sides of stall this heater as your primary Heater ances from floor, ceiling, and Right heat source. If you have a central joining wall. Side
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NATURAL GAS HEATER 4. For thin walls (1/2" or less), insert red INSTALLATION WARNING: Maintain minimum key into wall anchor. Push red key to Continued clearances shown in Figure 8. If “pop” open anchor wings. you can, provide greater clear- IMPORTANT: Do not hammer key! Removing Front Panel Of Heater ances from floor and joining wall. For thick walls (over 1/2" thick) or solid walls, do not pop open wings. 1. Remove two screws near bottom cor- 2. Mark screw locations on wall (see ners of front
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OWNER’S MANUAL Apply pipe joint sealant lightly to male INSTALLATION CAUTION: Use only new, threads. This will prevent excess sealant Continued black iron or steel pipe. Inter- from going into pipe. Excess sealant in pipe 4. If installing bottom mounting screw into nally-tinned copper tubing may could result in clogged heater valves. hollow or solid wall, install wall anchor. be used in certain areas. Check Follow steps 1 through 4 under Attach- your local codes. Use pipe 3/8" CAUTION: Use pip
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NATURAL GAS HEATER Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG (3.5 kPa) Connections Continued 1. Close equipment shutoff valve (see Fig- 1. Open equipment shutoff valve (see Fig- ure 14). ure 14). CHECKING GAS 2. Pressurize supply piping system by ei- 2. Open main gas valve located on or near CONNECTIONS ther using compressed air or opening gas meter. main gas valve located on or near gas 3. Make sure control knob of heater is in WARNING: Test all gas
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OWNER’S MANUAL Note: If pilot does not stay lit, refer OPERATING LIGHTING to Troubleshooting, pages 14 through INSTRUCTIONS HEATER 16. Also contact a qualified service person or gas supplier for repairs. 1. STOP! Read the safety information Until repairs are made, light pilot with NON-THERMOSTAT MODELS in column 1. match. To light pilot with match, see CG10N AND CG6N 2. Make sure equipment shutoff valve Manual Lighting Procedure. is fully open. FOR YOUR SAFETY 7. Keep control knob pressed in for
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OFF HI NATURAL GAS HEATER Note: If pilot does not stay lit, refer LIGHTING OPERATING to Troubleshooting, pages 14 through INSTRUCTIONS HEATER 16. Also contact a qualified service person or gas supplier for repairs. Continued 1. STOP! Read the safety information Until repairs are made, light pilot with in column 1. match. To light pilot with match, see THERMOSTAT MODEL CGS10N 2. Make sure equipment shutoff valve Manual Lighting Procedure, page 13. is fully open. FOR YOUR SAFETY 7. Keep control kn
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OWNER’S MANUAL ODS/PILOT AND BURNER OPERATING WARNING: If yellow tipping • Use a vacuum cleaner, pressurized air, occurs, your heater could pro- HEATER or small, soft bristled brush to clean. duce increased levels of carbon Continued monoxide. If burner flame pat- CLEANING BURNER MANUAL LIGHTING tern shows yellow tipping, follow PILOT AIR INLET HOLE PROCEDURE instructions below. 1. Follow steps 1 through 5 under Light- We recommend that you clean the unit every NOTICE: Do not mistake orange ing
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NATURAL GAS HEATER 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 pilot unit. service and repair heater. site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is press
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OWNER’S MANUAL 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 13) or replace burner orifice 2. Burner orifice diameter is too small 2. Replace burner orifice 3. Inlet gas pressure is too low 3. Contact local natural gas company Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local natural gas company 2. Burner orifice is clo
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NATURAL GAS HEATER 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, cigar
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OWNER’S MANUAL SPECIFICATIONS CG10N CG6N CGS10N Btu (Variable) 5,000/10,000 4,400/6,000 5,000/10,000 Type Gas Natural Only Natural Only Natural Only Ignition Piezo Piezo Piezo Pressure Regulator Setting 3" W.C. 3" W.C. 3" W.C. Inlet Gas Pressure (inches of water) Maximum 10.5" 10.5" 10.5" Minimum 4" 4" 4" Dimensions, Inches (H x W x D) Heater 18 x 14 x 5 18 x 14 x 5 18 x 14 x 5 Carton 21 x 16 x 7 21 x 16 x 7 21 x 16 x 7 Weight (pounds) Heater 12.9 12.9 13.3 Shipping 15 15 15.4 TECHNICAL SERVICE
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NATURAL GAS HEATER PARTS NOT UNDER ACCESSORY REPLACEMENT WARRANTY Purchase this heater accessory from your PARTS local dealer. If they cannot supply this ac- Contact authorized dealers of this product. Note: Use only original replacement parts. cessory, either contact your nearest Parts If they cannot supply original replacement This will protect your warranty coverage for Central (see page 19) or call DESA part(s), either contact your nearest Parts parts replaced under warranty. International’s
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OWNER’S MANUAL 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. Baltimore Electric Washer Equipment Co. Dayton Hardware 1715 Main Street P.O. Box 275 1348 Dixwell Avenue Kansas City, MO 64108-2195 North Dayton Station Hamden, CT 06514-0322 1-800-397-7553 KS, MO, AR Dayton, OH 45404-0275 203-248-7553 816-842-3911 All States Parts Department www.washerparts.com 937-258-3721
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NATURAL GAS HEATER ILLUSTRATED PARTS LIST CG10N 8 30 1 18 9 12 11 19 17 7 3 23 4 20 15 17 14 27 16 24 7 5 7 13 26 10 6 22 27 25 21 18 19 7 28 29 2 7 25-1 29 25-2 7 ODS Pilot Assembly 107294 20
