Manuale d’uso / di manutenzione del prodotto NG del fabbricante AquaStar
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WARNING : Improper installation, adjustment , alterat ion, service or maint enance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier .
2 6 720 606 446 This well engineered, gas water heater has all the fea- tures a water heater should have: It operates on the principle of heating water instantaneously “on demand”. When a hot water faucet is opened, cold water flows through the coils of the heat exc hanger in the Aquastar.
3 6 720 606 446 M I N I M U M I N S T ALLA TI O N C LE ARAN C E S FR OM C O M B U STI B LE AN D N ON C OM B U S TI B LE MA TE R IAL S FR O NT VI EW SIDE V IEW A Q U AST AR MO DE L 38B MODEL 38B TOP (A.
4 6 720 606 446 G E NE R AL R U LE S T O FOLL OW FOR SAF E OPE RA TION 1. Y ou should follow these instructions when you install your heater . In the United St ates: The installation must conform with local codes or , in the absence of local codes , the National Fuel Gas Code AN SI Z223.
5 6 720 606 446 COMBUSTION AIR REQUIREMENT The AquaStar water heater holds cold water in its copper heat exchanger and brass water valve when not in use. Because of this, any cold air that comes in through the unit’s vent pipe is capable of freezing these components.
6 6 720 606 446 Appliances located in unconfined spaces: a) An unconfined space is one whose volume is greater than 50 cubic feet per 1 0 00 Btu per hour of the combined rating of all appliances installed in the space. That would be 2000 cubic feet for the AquaStar 38B alone.
7 6 720 606 446 VENTING V ent pipe connection . WARN IN G: Do not reduce t he vent pipe size. The heater must be vented to the outside following all local ordinances and specifications for installing a gas appliance vent or chimney .
8 6 720 606 446 MASON RY CHI M NEY : Masonry chimneys shall be built and installed in accordance with N FP S 2 1 1 or local codes . A minimum 4” diameter gas vent pipe (metal double wall T ype B ), or an approved clay flue liner or a listed c himney lining system must be used when venting into a naturally drafting, internal masonr y c himney .
9 6 720 606 446 WARNING Note: The burners of an instantaneous “on demand” water heater such as the AquaStar are only on at the time that hot water is actually being used, the vent pipe is therefor.
10 6 720 606 446 Connecting the pressure relief valve (PRV) A listed pressure relief valve supplied with the heater must be installed at the time of installation. Should a discharge line be added to the PRV no valve is to be placed between the P RV and the heater .
11 6 720 606 446 LIGHTING INSTRUCTIONS (as seen on front cover of heater) 1. ST OP! Read the s afety information on the front panel of the heater . 2. The Gas valve must be turned off by sliding the gas valve button ( ) to the far left under the OFF ( ) mark.
12 6 720 606 446 Fig. 6 - Water Flow Control Knob The position you select on the temperature adjustment knob will depend on the temperature of the incoming water (50°F is average in the U.S.). If you plan to supply the AquaStar 38 B, with preheated water (i.
13 6 720 606 446 PIL O T DO ES N O T LI GHT 1 . No gas to t he Aquastar A . Gas cock on gas line may not be open. B . Gas valve button has not been moved to “PI L O T POSITION”. Slide button to right to single flame position ( ) . 2. In-line Aquastar gas regulator jammed (usually on LP gas) Replace or unlock the regulator .
14 6 720 606 446 B UR N ERS DO N O T IG N ITE WH EN H O T WA TE R IS TU RN E D ON 1 . Pilot is not on. Light the pilot. See lighting instructions. 2 . Pilot lighting push button not turned to proper position Be sure that once the pilot flame is on, that the gas valve button ( ) is slid all the way to the right to the ON position ( ).
15 6 720 606 446 4 . Btu input is too low due to insufficient gas supply Make sure your main gas line is fully opened. If using LP gas, be sure that the size of the propane tank is adequate to supply the required gas pressure.
16 6 720 606 446 Fig. 9 - Diagram of AquaStar 38 B 2 4 8 10 1 7 9 11 1 . Heat exchanger 2. Pilot assembly 3. Burner manifold gas pressure test nipple 4. Pilot gas tubing 5. Main gas burner 6. Inlet gas pressure test nipple 7 . Gas valve 8. Gas control slide 9.
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18 6 720 606 446 Fig. 1 0 - I NTE RI OR COM P ON ENTS D IA G R AM AND P ARTS LI ST.
19 6 720 606 446 Fig. 1 0 INTERIOR COMPONENTS DIAGRAM AN D P ARTS LIST 3 8B 1 Cover 8 705 4 21 021 2 Temp eratu re ad justme nt kno b 8 702 000 182 4 Dra ft diver tor 8 705 5 05 361 5 Hea t excha nge .
20 6 720 606 446 Fig . 1 1 - Flow chart of Aquastar 3 8 B.
21 6 720 606 446 LI M ITE D W AR R ANT Y Aquast ar General Aquastar water heaters are warranted by the Manufacturer ( B OSC H) through BB T North America .
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Bosch Heating System Co. Foschan Guangdong C. T . 5283 1 5 P .R . China Recycled paper 3 1 & 2 1 s e g a p e e s E L B A T E C N A N E T N I A M R A E Y Y R E V ES R A E Y 2 Y R E V ES R A E Y 5 -.
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 AquaStar NG 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 AquaStar NG - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso AquaStar NG imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul AquaStar NG ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il AquaStar NG, 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 AquaStar NG.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il AquaStar NG. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo AquaStar NG 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.
