Desa CBT30NT, CBT30PT manuale d’uso

Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: 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[...]

www .desatech.com 107882-01M 2 W ARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer , service agency or the gas supplier . W ARNING: T[...]

www .desatech.com 3 107882-01M SAFETY INFORMA TION WAR NIN G: Thi s prod uc t co n- ta ins an d/o r ge ne ra tes ch emi cal s kno wn to the Stat e of Cali for nia to cause ca nce r or birth de fec ts or ot her re pro duc tiv e h arm . IMPORT ANT : Read this owner ’ s man ual carefu lly and compl ete ly b e f o r e t r y i n g t o a s s e m b l e [...]

www .desatech.com 107882-01M 4 5. This heater needs fresh, outside air ventilation to run properly . This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and V entilation, page 5. 6. Keep all air openings in front and bottom of heater clea[...]

www .desatech.com 5 107882-01M AIR FOR COMB USTION AND VENTILA TION WAR NING: T his he ater s hall not be installed in a confined space or unusually tight con - struction unless provisions are prov ided f or ade quat e comb us- tion and ventilation air. Re ad the following instructions to insure proper fresh air for this and other fuel-burning app[...]

www .desatech.com 107882-01M 6 DETERMINING FRESH-AIR FLOW FOR HEA TER LOCA TION Determining if Y ou Have a Confined or Unconfined Space Use this work sheet 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 pas- sageways or ventilation grills [...]

www .desatech.com 7 107882-01M AIR FOR COMB USTION AND VENTILA TION Continued V entilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. Y ou must provide two permanent open - ings: one within 12" (3 0.4 cm) of the ceiling and one withi n 12 " (30.4 cm) of the floo r . Connec t these items directly to th[...]

www .desatech.com 107882-01M 8 IMPORTANT: V ent -fr ee heate rs add moistu re to the air . Althou gh this is benefi cia l, insta llin g heater in rooms withou t enough ven tila tion air may cause mi ld ew to for m fro m to o muc h moi stur e. See Ai r for Com bus tio n and V ent ila tio n, page 5. If high hum id - ity is ex per ienc ed, a deh umid[...]

www .desatech.com 9 107882-01M INST ALLING HEA TER TO W ALL Mounting Bracket Locat e moun ting bracket in heat er carton. Remove mounting bracket from heater carton. Figure 6 - Mounting Bracket INST ALLA TION Continued Removing Front Panel Of Heater 1. Remove the four painted screws, two on each side of front panel. 2. Pull bottom of front panel fo[...]

www .desatech.com 107882-01M 10 Side View Front View Attaching T o W all Stud Method For attaching mounting bracket to wall studs 1. Drill holes at marked locations using 9/64" drill bit. 2. Place mount ing bracket onto wall. Line up last hole on each end of bracket with holes drilled in wall. 3. Insert mounting screws through bracket and into[...]

www .desatech.com 1 1 107882-01M INST ALLA TION Continued CONNECTING TO GAS SUPPL Y W ARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator . W ARNING: A qualified ser- vic e pers on must con nec t heat er to gas supply . Follow all local codes. WA R N I N G : F o r n a t u r a l gas, nev[...]

www .desatech.com 107882-01M 12 INST ALLA TION Continued * A CSA design-cer tified equipme nt shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA des ign -ce rtifi ed equi pme nt shut of f valve fro m your dealer . See Accessories , page 26. Figure 15 - Gas Connection Install sedim[...]

www .desatech.com 13 107882-01M INST ALLA TION Continued CHECKING GAS CONNECTIONS W ARN IN G: T est all gas pip in g and connections, internal and external to unit, for leaks after installing or servicing. Correct all leaks at once. W ARNING: Never use an open flame to check for a leak. App ly a no nco rro si ve lea k det ec - tion fluid to all j[...]

www .desatech.com 107882-01M 14 6. T urn contr ol knob counte rc lockwi se to the PILOT position. Press in control knob for five (5) seconds. 7. With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner . N ote: Y ou may be running this heater for the first time after h[...]

www .desatech.com 15 107882-01M OPERA TING HEA TER Continued INSPECTING HEA TER Check pilot flame pattern and burner flame pat - tern often. PILOT FLAME P A TTERN Fi gu re 21 sho ws a co rr ec t pi lo t flam e pat ter n. Fi gu re 22 sho ws an inc or re ct pil ot fla me patt ern . The inco r - re ct pi lo t flam e is no t tou ch in g the th er [...]

www .desatech.com 107882-01M 16 INSPECTING HEA TER Continued BURNER FLAME P A TTERN W ARNING: If yellow tipping occurs, your heater could pro- duce increased levels of carbon monoxide. NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles enter the heater and burn causing brief patches of orange flame. Figure 23 [...]

www .desatech.com 17 107882-01M 1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. 2. Inspect burner , pilot for dust and dirt. 3. Blow air across the ports/slots and holes in the burner . 4. Never insert objects into the pilot tube. Clean the pilot assembly also. A yellow tip on the pilot flame indicate[...]

www .desatech.com 107882-01M 18 TROUBLESHOO TING W ARN ING: T urn off and unpl ug hea te r an d let coo l befo re ser vic ing. 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[...]

www .desatech.com 19 107882-01M TROUBLESHOO TING Continued POSSIBLE CAUSE 1. C o nt ro l kn ob n o t f ul ly p re ss e d in 2. Control knob not pressed in long enough 3. Equipment shutoff valve not fully open 4 . Thermocouple connection loose at control valve 5. Pilot flame not touching ther - mocouple, which allows ther - mocouple to cool, causin[...]

www .desatech.com 107882-01M 20 POSSIBLE CAUSE 1. Not enough air 2. Gas regulator defective 3. Clogged or dirty burner 1. Residues from manufacturing processes 1. Met al ex pan din g whi le hea tin g or contracting while cooling 1. Turning control knob to the highest position when burner is cold 2. Air in gas line 3. Air passageways on heater block[...]

www .desatech.com 21 107882-01M TROUBLESHOO TING Continued W ARNING: 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. • If [...]

www .desatech.com 107882-01M 22 SPECIFICA TIONS CBN20T • Natural Gas • 10,000/20,000 Btu/Hr (V ariable) • Piezo Ignition • Pressure Regulator Setting - 3" W .C. • Inlet Gas Pressure* (in. of water) Maximum - 10.5" - Minimum - 4" • Heater Dimensions H x W x D 26.25" x 18.25" x 7" (66.7 x 46.4 x 17.8 cm) • [...]

www .desatech.com 23 107882-01M REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty . P ARTS UNDER W ARRANTY Contact authorized dealers of this product. If they canʼt supply original replacement part(s), call DESA Heating Productsʼ T echnical Service Department a[...]

www .desatech.com 107882-01M 24 ILL USTRA TED P ARTS BREAKDOWN MODELS CBN20T , CBP20T , CBN30T , CBP30T , CBT20NT , CBT20PT , CBT30NT AND CBT30PT AA Battery Positive UP AAA Battery Negative UP 2 9 10 1 1 12 13 14 16 18 19 4 15 3 5 6 8 20 9 1 1 7 17 21 Install battery according to this illustration (Actual ignitor may vary)[...]

www .desatech.com 25 107882-01M P ARTS 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. KEY NO. P ART NO. DESCRIPTION QT Y 1 1 1 1435-01 Electronic Ignitor • • • • 1 097159-04 Piezo Ignitor • • • • 1 2 10 79 54 -03C [...]

www .desatech.com 107882-01M 26 ACCESSORIES Pu rc ha se th es e hea te r acc es so ri es fr om yo ur loc al de al er. If th e y ca n no t su p pl y th es e ac ce ss or i es , ei th e r co nt act yo ur n e ar es t P ar ts C e nt ra l ( se e page 27) or ca ll DE SA He atin g P rod uc ts at 1- 86 6- 67 2-60 40 for re fe rra l in fo r ma ti o n. Yo u c[...]

www .desatech.com 27 107882-01M P ARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer ʼ s needs by providing original replacement parts and accessories. T ool & Equipment Co. 5 Manila A ve Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Portable Heater Parts 342 N. County Rd. 400 East V [...]

107882 01 KEEP THIS WARRANTY WARRANTY INFORMA TION Model Serial No. Date Purchased P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com Always specify model and serial numbers when communicating with the factory . W e reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard [...]