Manuale d’uso / di manutenzione del prodotto 125B NGS del fabbricante Bosch Appliances
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WARNING : Improper installation, adjustment , alterat ion, service or maint enance can c ause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or t he gas supplier .
2 6 720 606 518 This well engineered, gas water heater has been specially designed to operate with incoming pre-heated water: 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 exchanger in the Aquast ar .
3 6 720 606 518 D861_059 M I N I M U M I N S T ALLA TI ON C LE A R ANC ES F RO M C OM B U S TI B LE AN D N O N C OM B U S TI B LE MA TE R IALS F O R AL COVE O R C L O S ET I NST ALLA TI O NS F RO NT V.
4 6 720 606 518 PR OPER L OCA TION FOR I NST ALL I NG Y OU R HEA T ER C arefully select the location of your new heater. For your safety and for proper heater operation, you must provide an abundant supply of combustion air and a proper venting installation.
5 6 720 606 518 WARNING: Flammable materials, gasoline, pressurized containers, or any other items or articles that are pot entially fire hazards must NOT be placed on or adjacent to the heater. T he appliance area must be kept free of all combustible materials, gasoline and other flammable vapors and liquids.
6 6 720 606 518 Fig. 1 - Mounting the Heater Fig. 2 - Incandescent Part icle T ray Illustrat ion The incandescent particle tray (shipped loose in the carton with the water heater) must be attached at the bottom of the water heater front cover at the time of installation.
7 6 720 606 518 VENTING V ent pipe connect ion. W AR NI NG : Do not reduce t he vent pipe size . S ee Fig. 3 for high alt itude inst allations The heater must be vented to the outside following all local ordinances and specifications for installing a gas appliance vent or chimney .
8 6 720 606 518 MASO NRY CH I MN EY : Masonr y chimneys shall be built and inst alled in accordance with N F PS 2 1 1 or local codes . A minimum 5” 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 chimney .
9 6 720 606 518 Fig. 3 – V ent Adaptor for High Altit ude Inst allations 5” X 6 ” ADAPT O R US ED ON HIGH A L TI TUD E T o check the draft : Close all doors and windows to the outside. T urn on all appliances that force air out of the building .
10 6 720 606 518 GAS CONNECTIONS and Gas Regulator NO TE: The Aquastar 1 25 B”S” is supplied wit h a gas pressure regulator that must be inst alled on t he heat er before attaching the gas supply line. See figure 5. Failure to install the gas regulator as shown in figure 5 will be a violation of CSA certificat ion of t he unit .
11 6 720 606 518 The water heater must be isolated from the gas supply piping system by closing the manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or more than 0.
12 6 720 606 518 O PERA TIN G INST R U C T IONS Before proceeding with the operation of the heater make sure that the system is filled with water . Open the cold water inlet supply to the heater fully .
13 6 720 606 518 Fig. 8 - Characteristic Pilot Flame 3mm Correct gap between pilot burner tip and piezo electrode tip Piezo Electrode Air screen filter 1 0mm 3/8” Piezo Electrode Thermocouple T o clean t he pilot burner and/ or the pilot orifice : T urn off the gas at the unit.
14 6 720 606 518 If some burners have yellow flames while others have good flames, it is likely that dust, lint or spider webs have partially clogged the burner venturis.
15 6 720 606 518 T o test the thermocouple , disconnect the thermocouple lead to the ECO. Insert a multi-meter probe into the thermocouple lead and attach or hold the other lead to the metal gas valve (DC common). Light the pilot flame and hold button, meter reading should be 24 mVDC or more.
16 6 720 606 518 See specifications on page 2. Unlike storage tank water heaters, the burners of a tankless water heater must be very powerful to heat water instantaneously since they do this only at the time hot water is actually being used. It is therefore imperative that the gas pressure requirement be met exactly .
17 6 720 606 518 1 . Heat exchanger 2. Pilot assembly 3 . Burner manifold gas pressure test nipple 4. Main gas burner 5. Pilot gas tubing 6. Gas valve 7 . Piezo igniter 8. Location of pressure tap screw 9 . W ater valve 1 0. Gas inlet gas pressure test nipple 5 1 4 7 9 3 10 6 2 8 Fig.
18 6 720 606 518 A Q 1 25 BS Fig. 1 1 - I NTER IO R COM P ONE NTS DIA G RAM AN D P ARTS LI S T.
19 6 720 606 518 Fig. 1 1 INTERIOR COMPONENTS DIAGRAM AN D P ARTS LIST 1 25B S 1 Cov er 8 705 421 033 2 Cap cover 8 703 304 011 3 Water connection gasket 8 710 103 043 4 Draf t div ertor 8 705 5 05 35.
20 6 720 606 518 Fig. 1 2 - Flow chart of Aquast ar 1 25 BS.
21 6 720 606 518 LI M ITE D W AR R ANT Y Aquast ar General Aquastar water heaters are warranted by the Manufacturer ( B OSC H) through C ontrolled Energy Corp .
VU L C ANO T ermod omést icos S.A. Estrada de Cacia 380 1 - 8 56 Aveiro - P ORTUGAL Recycled paper 3 1 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 S E R A E Y 2 Y R E V S E R A E Y .
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 Bosch Appliances 125B NGS 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 Bosch Appliances 125B NGS - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bosch Appliances 125B NGS imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bosch Appliances 125B NGS ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bosch Appliances 125B NGS, 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 Bosch Appliances 125B NGS.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bosch Appliances 125B NGS. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bosch Appliances 125B NGS 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.