Manuale d’uso / di manutenzione del prodotto CBT30NT, CBT30PT del fabbricante Desa
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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.
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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 .
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 .
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.
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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 .
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 .
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.
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.
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Desa CBT30NT, CBT30PT è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Desa CBT30NT, CBT30PT - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Desa CBT30NT, CBT30PT imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Desa CBT30NT, CBT30PT ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Desa CBT30NT, CBT30PT, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Desa CBT30NT, CBT30PT.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Desa CBT30NT, CBT30PT. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Desa CBT30NT, CBT30PT insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
