Desa NZ103 NZ104 manual

UNVENTED (VENT -FREE) INFRARED REMOTE CONTR OL GAS HEA TER SAFETY INFORMA TION AND INST ALLA TION MANU AL For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- lowed exactly , a re or explosion may result causing property damage, personal injury or loss of life. — Do not store or use gasoline or [...]

www .desatech.com 1 18621-01B 2 SAFETY INFORMA TION W ARNI NG: Im prope r in - st al la ti on , ad ju st me nt , al - te ra ti on , se rv ic e or m ain te - na nc e c an ca us e i nj ur y o r pr op er ty da ma ge . Re fe r to th is ma n ua l fo r c o rr e ct in - st al la ti on an d op er at io na l p r o c e d u r e s . F o r a s s i s - ta nc e o[...]

www .desatech.com 3 1 18621-01B Natural and Propane/LP Gas: Natural and Pro - pane/LP gases are odorless. An odor-making agent is added to these gases. The odor helps you detect a gas leak. However , the odor added to the gas can fade. Gas may be present even though no odor exists. Make certain you read and understand all warnings. Keep this manual[...]

www .desatech.com 1 18621-01B 4 1 1. Turn off and unplug heater and let cool before servicing. Only a qualied service person should service and repair heater . 12 . Operating heater above elevations of 4,500 feet (1,371 m) could cause pilot outage. 13. T o prevent performance problems, do not us e p ro pa ne /L P f ue l t an k o f le ss th an 1 [...]

www .desatech.com 5 1 18621-01B AIR FOR COMB USTION AND VENTILA TION W ARNING: This heater shall not be installed in a conned space or unusually tight con - struction unless provisions are provided for adequate combus - tion and ventilation air . Read the following instructions to insure pro per fr esh ai r f or this an d other fuel -burni ng ap[...]

www .desatech.com 1 18621-01B 6 DETERMINING FRESH-AIR FLOW FOR HEA TER LOCA TION Determining if Y ou Have a Conned or Unconned Space Use this work sheet to determine if you have a conned or unconned space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills b[...]

www .desatech.com 7 1 18621-01B VENTILA TION AIR V entilation Air From Inside Building This fresh air would come from an adjoining unconned space. When ventilating to an adjo ining uncon ned spac e, you must provi de two perm anen t openin gs: one with in 12" of the ceiling and one within 12" of the oor on the wall connecting the[...]

www .desatech.com 1 18621-01B 8 CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater . Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning u - id s, oil or kero se ne lam ps, et [...]

www .desatech.com 9 1 18621-01B INST ALLING HEA TER TO W ALL Mounting Bracket Loca te mounting bracke t in heater carto n. Re - move mounting bracket from heater carton. Removing Front Panel Of Heater 1. Remove the four painted screws, two on each side of front panel. 2. Pu ll b ott om o f fr ont pan el f orwa rd, then out . 3. Remove any remaining[...]

www .desatech.com 1 18621-01B 10 Placing Heater On Mounting Bracket 1. Locate two horizontal slots on back panel of heater . 2. Plac e heate r onto mount ing bracke t. Slide horizontal slots onto stand-out tabs on mounting bracket. INST ALLA TION Continued Figure 10 - Mounting Heater Onto Mounting Bracket Mounting Bracket (attached to wall) Horizon[...]

www .desatech.com 1 1 1 18621-01B MOUNTING HEA TER TO FLOOR WITH OPTIONAL FLOOR KIT Mounting Base Feet to Heater 1. Lay heater cabinet on its back on a table with the heater bottom overhanging the table edge. 2. Al ign ho le s i n ba se fo ot wi th mou nti ng ho les on b ot tom o f ca bi net (se e Fi gure 12) . 3. Secure base foot to heater using s[...]

www .desatech.com 1 18621-01B 12 T ee Pipe Cap Joint Nipple T ee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug T ap * A CSA design-certied equipment shutof f valve with 1/8" NPT tap is an acceptable al - ternative to test gauge connection. Purchase the optional CSA design-certied equipment shutoff valve from your dealer . See[...]

www .desatech.com 13 1 18621-01B INST ALLA TION Continued IMPORT ANT : Install an equipment shutoff valve in an accessible location. The equip - ment shutoff valve is for turning on or shutting off the gas to the appliance. Apply pipe joint sealant lightly to male NPT threads . This will prevent excess sealant from going into pipe. Excess sealant i[...]

www .desatech.com 1 18621-01B 14 INST ALLA TION Continued PRESSURE TESTING HEA TER GAS CONNECTIONS 1. O p e n e q u i p m e n t s h u t o f f v a l v e ( s e e Figure 18, page 13). 2. For natural gas open main gas valve located on or near gas meter . For pro - pane/LP gas open propane/LP supply tank valve. 3. Make sure control knob of heater is in [...]

www .desatech.com 15 1 18621-01B smel l gas , ST OP! F ollow “B” i n the s afet y info rmat ion, column 1. If you don ’t smel l gas, go to t he ne xt s tep. 6. Press in pilot knob and turn control knob counterclockwise to the PILOT position. Keep pilot knob pressed in for ve (5) seconds (see Figure 22). 7. Wi th p il ot k nob pre ss ed i n[...]

www .desatech.com 1 18621-01B 16 OPERA TING HEA TER Continued Remote Control The remote control has ON, OFF , THERMO - ST A T , and PROGRAM functions. This is part of the system’s design. If the LCD screen is not working check the position of the remote control’s battery . The remote control has two code switches located on the back that will n[...]

www .desatech.com 17 1 18621-01B ON OFF THERMO SET PM FLAME ROOM 1 8 7 2 3 5 4 6 P2 P1 2 P 1 P AM PM Figure 25 - LCD Display Buttons MODE - Changes modes from ON, THERMO and OFF . DOWN - Lowers set temperature in THERMO mode. UP - Increases set temperature in THERMO mode TIME/PR OGRAM - Activa tes time setting and activates PROGRAM mode. SET - Used[...]

www .desatech.com 1 18621-01B 18 T o Activate the Program Mode A short push (press and release) on TIME/ PROGRAM button will activate or deactivate program mode. A long push (press and hold for more than 5 seconds) on TIME/PROGRAM button will enter into setting of program. When the program mode is activated, the P-1 and P-2 icons and the word OFF w[...]

www .desatech.com 19 1 18621-01B + + 1 9 13 5 7 3 11 15 A M E G C K I O 1 9 13 7 5 3 11 15 OFF REMOTE A M E G C K I O Figure 27 - Receiver Slide Switch Receiver + + 1 9 13 5 7 3 11 15 A M E G C K I O 1 9 13 7 5 3 11 15 OFF REMOTE A M E G C K I O Figure 28 - Receiver and Remote Control Setup Slide Switch Code Switches Receiver Back of Remote Control[...]

www .desatech.com 1 18621-01B 20 INSPECTING HEA TER Check pilot ame pattern and burner ame pattern often. PILOT FLAME P A TTERN Figure 29 shows a correct pilot ame pattern. Figure 30 shows an incorrect pilot ame pat - tern. The incorrect pilot ame is not touching the thermocouple. This will cause the thermo - couple to cool. When the[...]

www .desatech.com 21 1 18621-01B CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. CAUTION: Y ou must keep control areas, burner and circu - lating air passageways of heater clean. Inspect the se areas of heater before each use. Have heater inspected yearly by a qualied service person. Heater may need more frequen[...]

www .desatech.com 1 18621-01B 22 TROUBLESHOO TING W AR NI NG : Tur n off a nd unp lu g hea te r and l et c oo l bef ore se rvi cin g. Onl y a qua lie d s ervi ce pers on shou ld serv ice and re pair he ater . CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items ar[...]

www .desatech.com 23 1 18621-01B TROUBLESHOO TING Continued POSSIBLE CAUSE 1 . Control knob not fully pressed 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 thermocouple, which al - lows thermoco uple to cool, causing pilot ame [...]

www .desatech.com 1 18621-01B 24 TROUBLESHOO TING Continued POSSIBLE CAUSE 1. Plaque damaged 2. Inlet gas pressure is too low 3. Control knob set between locked positions 1. Re si due s fro m man uf ac - turing processes 1 . Metal expanding while heating or contracting while cooling 1. Pilot light not lit or control knob in wrong position 2. Batter[...]

www .desatech.com 25 1 18621-01B TROUBLESHOO TING Continued POSSIBLE CAUSE 1. Heater burning vapors from paint, hair spray , glues, etc. S e e IMPORT ANT s t a t e - ment above 2. Low fuel supply (propane/ LP gas only) 3. G a s l e a k . S ee Wa r n i n g statement at top of page 1. G a s l e a k . S ee Wa r n i n g statement at top of page 2. Cont[...]

www .desatech.com 1 18621-01B 26 O F F P IL O T O N 20 10 4 21 24 19 2 3 8 16 18 14 6 9 13 7 1 15 25 22 23 1 1 17 9 5 12 ILL USTRA TED P ARTS BREAKDOWN MODELS NZ100, NZ101, NZ102, NZ103, NZ104, NZ105, NZ106, NZ107, NZ1 16, NZ1 17, NZ1 18 AND NZ1 19[...]

www .desatech.com 27 1 18621-01B P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY NO. P ART NO. DESCRIPTION QTY . 1 097159-04 Piezo Ignitor •••••••••••• 1 2 107673-01 Front Panel • • 1 107676-0[...]

www .desatech.com 1 18621-01B 28 KEY NO. P ART NO. DESCRIPTION QTY . 1 1 10803-03 ODS/Pilot • • • 1 1 10803-02 ODS/Pilot • • • 1 2 1 10186-01 Thermocouple Kit • • • • • • 1 3 109121-01 Pilot Shield •••••• 1 4 1 18628-01 Outlet T ube • • 1 1 18628-02 Outlet T ube • • • • 5 099218-07 Burner Assembly , 5[...]

www .desatech.com 29 1 18621-01B SPECIFICA TIONS NZ100, NZ104, NZ1 16 • Natural Gas • 18,000 Btu/hr • Piezo Ignition • Pressure Regulator Setting: 6" W .C. • Inlet Gas Pressure* (in. of water): Maximum - 10.5", Minimum - 7" • Average Heater W eight: 22 lb (10 kg) • A ve rag e Sh ippi ng We ig ht : 25. 5 lb (1 1. 6 k g) [...]

www .desatech.com 1 18621-01B 30 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 can’t supply original replacement part(s), call DESA Heating Products’ T echnical Ser - vice Depart[...]

www .desatech.com 31 1 18621-01B P ARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer ’s needs by providing original replacement parts and accessories. T ool & Equipment Co. 5 Manila Ave Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Portable Heater Parts 342 N. County Rd. 400 East V [...]

KEEP THIS WARRANTY WARRANTY INFORMA TION 2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com Always specify model and serial numbers when communicating with the factory . We reserve the right to amend these specications at any time without notice. The only warranty applicable is our standard written warranty . We[...]