Comfort Glow CGN20TA - Manuals

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Manual

Manual Comfort Glow CGN20TA

Summary

Page 2 - Blue Flame Vent-Free Natural Gas Heater; WARNINGS; DANGER: Carbon monoxide

2 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA SAFETYINFORMATION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, oper-ate, or service this heater. Im-proper use of this heater cancause serious injury or death fromburns, fire...

Page 3 - OWNER’S MANUAL; LOCAL CODES; American National Standards Institute, Inc.; Ignitor Button; UNPACKING; Remove heater from carton.; Safety Device

3 104190 OWNER’S MANUAL PRODUCTIDENTIFICATION LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes,use the latest edition of the National FuelGas Code ANSI Z223, also known as NFPA54*. *Available from: American National Standards Institute, Inc. 1430 Bro...

Page 4 - Unusually Tight Contruction; Unusually Tight Construction; per kw) of the aggregate

4 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA FRESH AIR FORCOMBUSTION ANDVENTILATION Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home own-ers weather strip and caulk around window...

Page 5 - Includes the room in which you; Continued

5 104190 OWNER’S MANUAL FRESH AIR FORCOMBUSTION ANDVENTILATION Continued DETERMINING FRESH-AIRFLOW FOR HEATERLOCATION Determining if You Have aConfined or Unconfined Space Use this worksheet to determine if you havea confined or unconfined space. Space: Includes the room in which you will install he...

Page 6 - Figure 3 - Ventilation Air from Outdoors; WARNING: If the area in which; VENTILATION AIR; Figure 2 - Ventilation Air from Inside Building; Ventilation Air From Outdoors; Do not provide openings for

6 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 Figure 3 - Ventilation Air from Outdoors FRESH AIR FORCOMBUSTION ANDVENTILATION Cont...

Page 7 - INSTALLATION; CHECK GAS TYPE; WARNING: Never install the; Figure 4 - Mounting Clearances As Viewed From Front of Heater; CAUTION: If you install the

7 104190 OWNER’S MANUAL INSTALLATION NOTICE: A qualified service per-son must install heater. Followall local codes. CHECK GAS TYPE Use only natural gas. If your gas supply isnot natural gas, do not install heater. Calldealer where you bought heater for propertype heater. INSTALLATION ITEMS Before i...

Page 8 - Marking Screw Locations; Figure 8 - Mounting Bracket Clearances; WARNING: Maintain minimum; Mounting Bracket; Figure 6 - Bracket Location; Figure 7 - Removing Front Panel Of Heater; Attaching to wall stud; Clamp; Removing Front Panel Of Heater; Only mark last hole on each end

8 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA 16" 18 3/4" Min. 7 1/4" Min. Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Floor Marking Screw Locations 1. Tape mounting bracket to wall whereheater will be located. Make suremounting bracket is level. F...

Page 9 - Figure 9 - Folding Anchor; Horizontal Slots; Mark screw locations on wall.; Attaching to wall stud method; For attaching mounting bracket to wall studs; Attaching to wall anchor method; Fold wall anchor as shown in Figure 9.

9 104190 OWNER’S MANUAL INSTALLATION Continued Figure 9 - Folding Anchor 3. Insert wall anchor (wings first) intohole. Tap anchor flush to wall. 4. For thin walls (1/2" or less), insert redkey into wall anchor. Push red key to“pop” open anchor wings. IMPORTANT: Do not hammer key! For thick walls...

Page 10 - Hold pressure regulator; Tee Joint; Figure 13 - Gas Connection; Ground Joint Union; Typical Inlet Pipe Diameters; Check gas line pressure be-; WARNING: Never connect

10 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA IMPORTANT: Hold pressure regulator with wrench when connecting it to gas pip-ing and/or fittings. PressureRegulator Tee Joint ReducerBushing to1/8" NPT 1/8" NPTPlug Tap TestGaugeConnection* Tee Joint Pipe Nipple Cap 3/8" NPTPipe N...

Page 11 - WARNING: Never use an open; Correct all leaks at once.; Figure 14 - Manual Shutoff Valve; Open; Figure 15 - Checking Gas Joints

11 104190 OWNER’S MANUAL WARNING: Test all gas pip- ing and connections for leaksafter installation or servicing.Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles formingshow a leak. Correct all leaks atonce...

Page 12 - CAUTION: Do not try to adjust; Thermocouple; Shutting Off Heater

12 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA TO TURN OFF GAS TO APPLIANCE CAUTION: Do not try to adjust h e a t i n g l e v e l s b y u s i n g t h emanual shutoff valve. Thermocouple Ignitor Electrode Figure 17 - Pilot Pilot Burner OPERATINGHEATER FOR YOUR SAFETY READ BEFORE LIGHTING A...

Page 13 - The thermostat sensing bulb mea-; Figure 18 - Correct Pilot Flame Pattern; • turn heater off (see To Turn Off Gas to; Figure 20 - Correct Burner Flame Pattern; WARNING: If yellow tipping; Yellow Tipping

13 104190 OWNER’S MANUAL OPERATINGHEATER Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on thesemodels differs from standard thermo-stats. Standard thermostats simply turnon and off the burner. The thermostatused on this heater senses the room tem-perature. The thermostat adjus...

Page 14 - TROUBLESHOOTING; POSSIBLE CAUSE

14 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. CAUTION: Never use a wire,...

Page 15 - OBSERVED PROBLEM; nance, page 17) or replace burner orifice

15 104190 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera-tion Heater produces a whistling noise whenb...

Page 16 - IMPORTANT

16 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA 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 ...

Page 17 - SPECIFICATIONS; CABINET; WARNING: Turn off heater

17 104190 OWNER’S MANUAL TECHNICALSERVICE You may have further questions about in-stallation, operation, or troubleshooting. If so, contact DESA International’sTechnical Service Department at1-800-323-5190. CGN20TA Btu (Variable) 10,000/20,000 Type Gas Natural Only Ignition Piezo Pressure Regulator ...

Page 18 - PARTS CENTRALS

18 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs by providing original replacement parts and accessories. Baltimore Electric 1348 Dixwell AvenueHamden, CT 065141-800-397-7553203-248-7553Part...

Page 19 - ACCESSORIES

19 104190 OWNER’S MANUAL ACCESSORIES Purchase these heater accessories from yourlocal dealer. If they can not supply theseaccessories, either contact your nearest PartsCentral (see page 18) or call DESAInternational’s Parts Department at 1-800-972-7879 for referral information. You canalso write to ...

Page 20 - 2 ODS/Pilot Assembly

20 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA ILLUSTRATEDPARTSBREAKDOWN CGN20TA 12 ODS/Pilot Assembly 12-1 12-2 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 24 26 25 18 16

Page 21 - PARTS LIST; KEY

21 104190 OWNER’S MANUAL PARTS LIST CGN20TA This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 17 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 098742-03 Front Panel...

Page 22 - NOTES

22 104190 Blue Flame Vent-Free Natural Gas Heater CGN20TA NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ ____________________________________________...

Page 24 - For information about this warranty write:; WARRANTY INFORMATION; KEEP THIS WARRANTY; NOT A UPC

LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years fromthe date of first purchase, provided that the product has been properly installed, operated and maintained inaccordance with ...