Manuale d’uso / di manutenzione del prodotto BTH 120 - 250 del fabbricante A.O. Smith
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1 A DIVISION OF A.O. SMITH CORPORA TION Mc BEE, SOUTH CAROLINA PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
2 T able 1. RECOVER Y CAP ACITIES - NA TURAL GAS / L.P . ROUGH-IN -DIMENSIONS CYCLONE XHE BTH 120 - 250 Recov er y capacities are based on heater perf or mance at 94% thermal efficiency . TEMPERA TURE RISE - DEGREES °F - GALLONS PER HOUR Model B T U Approx.
3 Water Line Connections .................................................................. 1 4 Heater Wiring .................................................................................. 1 4 OPERA TION ...........................................
4 T emperature Time to Produce 2nd & 3rd Setting Degree Burns on Adult Skin 180°F Nearly instantaneous 170°F Nearly instantaneous 160°F About 1/2 second 150°F About 1-1/2 seconds 140°F Less t.
5 DISHW ASHING MACHINE REQUIREMENT All dishwashing machines meeting the National Sanitation Foundation requirements are designed to operate with water flow pressures between 15 and 25 pounds per square inch. Flow pressures above 25 pounds per square inch, or below 15 pounds per square inch, will result in improperly sanitized dishes.
6 UNCONFINED SP ACE In buildings of conventional frame, brick or stone construction, unconfined spaces may provide adequate air for combustion and ventilation. If the unconfined space is within a building of tight construction (buildings using the following construction: weather stripping, heavy insulation, caulking, vapor barrier , etc.
7 FIGURE 5 *NOTE: BTH 250 USES TEE ON AIR INT AKE TERMINAL DIRECT VENT HORIZONT AL VENT FIGURE 6 DO NOT TERMINA TE EXHAUST OVER PUBLIC AREA WHERE CONDENSA TE OR V APOR CAN CAUSE NUISANCE OR HAZARD. EXHAUST VENT HOOD MUST BE LOCA TED 1' MINIMUM FROM ANY OPENING IN BUILDING.
8 IMPORT ANT The vent system must terminate so that proper clearances are maintained as cited in local codes or the latest edition of the National Fuel Gas Code, ANSI Z223.1,7.3.4e and 7.8a,b, as follows: 1. Do not terminate the exhaust vent terminal over public area where condensate or vapor can cause nuisance or hazard.
9 IMPORT ANT WHEN LOCA TING THE TERMINALS ON A SIDEWALL, THE FOLLOWING SPECIFICA TIONS PERT AINING TO TERMINAL LOCA TION MUST BE FOLLOWED. 1. The intake vent terminal and the exhaust vent terminal mus.
10 FIGURE 12 INST ALLA TION OF VENT SYSTEM W ARNING THE OPTIONAL INT AKE VENTING ARRANGEMENT AND THE EXHAUST VENTING ARRANGEMENT MUST BE INST ALLED TO RUN DIRECTLY TO THE OUTDOORS AND NOT IN ANY W A Y BE CONNECTED TO ANOTHER VENTING SYSTEM (I.E. FURNACE, DRYERS OR SP ACE HEA TERS).
11 D. Know your own qualifications or those of your contractor . The solvent welding technique of joining PVC, PVC cellular core, ABS or CPVC pipe is a specialized skill just as any other pipe fitting technique. E. Closely supervise the installation and inspect the finished job before start-up.
12 tubing must be connected in order for the switch to change the electrical contacts. The controller requires that the electrical contacts on this air flow switch be open before it will allow the blower to come on.
13 CONNECTION OF GAS PIPE 1. When connecting gas pipe to unit, apply wrench to flange only . Note: Do not use wrench on gas valve or gas bracket. See Figure 15. 2. PERFORM THE GAS LEAK TEST ANY TIME WORK IS DONE ON A GAS SYSTEM TO A VOID THE POSSIBILITY OF FIRE OR EXPLOSION WITH PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
14 HEA TER WIRING IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED, IT MUST BE REPLACED WITH 105°C WIRE OR ITS EQUIV ALENT , EXCEPT IN THE BURNER HOUSING. IN THIS CASE USE 200°C WIRE. THE COMPUTER CONTROL REQUIRES A SOURCE OF ST ABLE CLEAN ELECTRICITY FOR PROPER OPERA TION.
15 OPERA TION SEQUENCE OF OPERA TION T ypical Control/Appliance Operating Sequence 1. When the control is powered, it should first display 0, then the input line voltage (120), the calibration setting (12), then the actual water temperature in the tank.
16 ERROR CODES The following Error Codes are external to the controller . 01 Pressure Switch Fail On, should be Off 1 1 Pressure Switch Fail Off, should be On 02 Ignition Fail after 3 attempts 04 ECO .
17 Display Flashes 05 when button is pressed: Display Flashes 15 when button is pressed: Display Flashes 25 when button is pressed: ECO SWITCH OPEN (Figure 22) ECO LED Flashing: ECO SWITCH OPEN, ECO LED Flashing FIGURE 22 CONTROL BAD (Figure 23) All LEDs Flashing: Possible Cause Remedy 1.
18 ADJUSTMENT PROCEDURE INITIAL ST ART-UP A minimum gas supply pressure of 5.0" W .C. (4.5" on BTH 150 and 199) for natural gas (1 1.0" W.
19 FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life.
20 W ARNING UNDER NO CIRCUMST ANCES SHOULD THE INPUT EXCEED THE RA TE SHOWN ON THE HEA TER RA TING PLA TE. OVERFIRING COULD RESUL T IN DAMAGE OR SOOTING OF THE HEA TER.
21 FIGURE 25 T o dissolve and remove the more stubborn mineral deposits, A.O. Smith UNLIME® Professional Delimer should be used. A.O. Smith UNLIME® Professional Delimer is an easy to handle patented food grade acid formulated specifically for lime scale removal from all types of water using equipment.
22 T o inspect or replace an anode: The anodes on this heater are easily accessible from the top of the heater making replacement simple and quick. 1. Turn the heater off per the lighting instructions. Connect a hose to the drain valve . Locate the hose's discharge in an area where hot water will not cause any damage or injury .
23 ONE TEMPERA TURE - ONE HEA TER HORIZONT AL ST ORA GE T ANK FORCED CIRCULA TION WITH OR WITHOUT BUILDING RECIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE AT FIXTURES. SEE W A TER TEMPERA TURE CONTROL WARNING ON P AGE 4.
24 * PIPE RELIEF V AL VE TO OPEN DRAIN. NOTE: IF TEMPERED WA TER IS RECIRCULA TED, RETURN LINE SHOULD BE CONNECTED A T POINT A. INST ALL IN ACCORDANCE WITH LOCAL CODES. TWO TEMPERA TURE - ONE HEA TER HIGH TEMPERA TURE WITH OR WITHOUT BUILDING RECIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE AT FIXTURES.
25 TWO TEMPERA TURE - TWO HEA TERS HIGH TEMPERA TURE WITH OR WITHOUT BUILDING RECIRCULA TION TWO TEMPERA TURE - THREE HEA TERS (TWO PRE-HEA TERS/ONE BOOSTER HEA TER) WITH OR WITHOUT BUILDING RECIRCULA TION MUST BE IDENTICAL HEA TERS FOR MUL TIPLE HEA TER INST ALLA TION SEE MANIFOLD KIT SPECIFICA TIONS, P AGE 28.
26 * PIPE RELIEF V AL VE TO OPEN DRAIN ** 140°F TO 150°F SHOULD BE MAXIMUM WA TER TEMPERATURE MAINT AINED IN THE PRE-HEA TERS. 120°F SHOULD BE THE MINIMUM TEMPERA TURE OF WA TER IN THE PRE- HE A TERS. CONNECT CIRCULA TING LINE FROM FIXTURES, IF USED, TO COLD W A TER SUPPL Y LINE OF PRE-HEA TER.
27 NOTE 1: TOGGLE SWITCH CONTROLS 180°F WA TER CIRCULA TION. INST ALL ON OR CLOSE TO DISHWASHER. T OGGLE SWITCH MUST BE CLOSED (ON) DURING THE RINSE OPERA TION AND OPEN (OFF) WHEN DISHWASHER IS NOT OPERA TING OR WHEN ON LONG ST ANDBY .
28 MANIFOLD KITS Precision cut type L all copper A.O. Smith manifold kits assure water flow balance of all units. Without this balance, the full water heating and storage potential of the system cannot be achieved. Plus, the units with the higher water flow may have a shortened life.
29 CHECKLIST AND SERVICE INFORMA TION IMPORT ANT The installer may be able to observe and correct certain problems which might arise when the unit is put into operation or when it is re-fired after a prolonged shutdown. HOWEVER, it is recommended that only qualified servicemen, using appropriate test equipment, be allowed to service the heater .
30 MOTOR WILL NOT RUN 1. Confirm 120V AC to the controller. Also, to verify correct polarity , check for 120 V AC between hot supply and ground. If there is no voltage, check for a loose connection where it connects to the controller . 2. If there is 120 volts to the controller, check for loose connections or a locked rotor .
31 Model BTH Limited W arranty A. O. Smith Corporation, the warrantor , extends the following LIMITED WARRANTY to the owner of this water heater . 1. THE T ANK If the glass-lined tank in this water he.
32 A.O. SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET ALSIP, ILLINOIS 60803 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 WWW.HOTWATER.COM E-MAIL: PARTS@HOTWATER.
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 A.O. Smith BTH 120 - 250 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 A.O. Smith BTH 120 - 250 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso A.O. Smith BTH 120 - 250 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul A.O. Smith BTH 120 - 250 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il A.O. Smith BTH 120 - 250, 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 A.O. Smith BTH 120 - 250.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il A.O. Smith BTH 120 - 250. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo A.O. Smith BTH 120 - 250 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.
