Manuale d’uso / di manutenzione del prodotto BTI 120 del fabbricante A.O. Smith
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1 MODELS BTI 120 THRU 400/A COMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER • INSTALLATION • OPERATION • MAINTENANCE • LIMITED WARRANTY PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE. P ART NO. 195809-000 Printed in U.
2 ROUGH-IN-DIMENSIONS Model BTI-120 BTI-154 BTI-180 BTI-199 BTI-200 BTI-250 BTI-275 BTI-310 BTI-366 BTI-400 Dim. Inches m m Inches m m Inches m m Inches m m Inches m m Inches m m Inches m m Inches m m.
3 T ABLE OF CONTENTS ROUGH-IN-DIMENSIONS ................................................ 2 FOREWORD ..................................................................... 3 GENERAL SAFETY INFORMA TION .................................. 4 Precautions .
4 GENERAL SAFETY INFORMA TION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY P ART HAS BEEN UNDER W A TER. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water .
5 • Do not apply insulation to the top of the water heater , as this will interfere with safe operation of drafthood. • Do not cover the temperature & pressure relief valve. • Do not cover the instruction manual. Keep it on the side of the water heater or nearby for future reference.
6 ELECTRONIC IGNITION CONTROL Each heater is equipped with a ignition module. The solid state ignition control (Fig. 4), ignites the main burner by utilizing a silicone nitride ignitor .
7 WARNING FLAMMABLE ITEMS, PRESSURIZED CONT AINERS OR ANY OTHER POTENTIAL FIRE HAZARDOUS ARTICLES MUST NEVER BE PLACED ON OR ADJACENT T O THE HEA TER. OPEN CONT AINERS OR FLAMMABLE MA TERIAL SHOULD NOT BE STORED OR USED IN THE SAME ROOM WITH THE HEA TER.
8 AND ONE IN OR WITHIN 12 INCHES (30.5cm) OF THE ENCLOSURE BOTTOM. Each opening shall have a free area of at least one square inch per 1000 Btuh (2,225mm 2 /kW)of the total input of all appliances in the enclosure, but not less than 100 square inches (645 square cm).
9 TYPE B GAS VENT Multiple Gas Fired T ank-T ype Heaters When venting multiple tank type heaters using T ype B vent pipe, follow the installation diagram (figure 4) and tables below which give sizing and data based upon NFP A 54/ANSI Z223.
10 MODEL BTI-250 Input: 250,000 Btu/hr T otal V ent Height (Feet) V ent Connector Size: 6 inches 6 8 10 15 20 30 50 100 Input Btuh/hr Rise V ent Connector Diameter (Inches) 250,000 1 Ft 8 8 7 7 7 6 6 .
11 W A TER LINE CONNECTIONS This manual provides detailed installation diagrams (see pages 15-21 of this manual) for typical methods of application for the water heaters. The water heater may be installed by itself, or with a separate storage tank, on both single and two-temperature systems.
12 MALFUNCTION OF THE SUPPL Y SYSTEM, THE GAS V AL VE MUST BE CHECKED FOR SAFE OPERA TION. MAKE SURE THA T THE OUTSIDE VENTS ON THE SUPPL Y REGULA TORS AND THE SAFETY VENT V AL VES ARE PROTECTED AGAINST BLOCKAGE. THESE ARE PAR TS OF THE GAS SUPPL Y SYSTEM, NOT THE HEA TER.
13 HEA TER WIRING All electrical work must be installed in accordance with the latest version of the National Electrical Code ANSI/NFP A No. 70, must conform to all local code authority having jurisdiction. AN ELECTRICAL GROUND IS REQUIRED TO REDUCE RISK OF ELECTRICAL SHOCK OR POSSIBLE ELECTROCUTION.
14 INST ALLA TION DIAGRAMS-T OP INLET/OUTLET USAGE Use of the top inlet water connection requires installation of an inlet dip tube (refer to figure 1 1). The tube is supplied in the heater. Follow caution labels if applying heat to this fitting. Do not allow pipe dope to contact the plastic tube during installation.
15 VERTICAL ST ORAGE T ANK AND FORCED CIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERATURE CONTROL WARNING ON P AGE 25. IF HIGHER PREHEA T TEMPERA TURES A RE NECESSARY TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI- SCALD V AL VE FOR HOT WA TER SUPPLIED TO FIXTURES.
16 DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERATURE CONTROL WARNING ON P AGE 25. IF HIGHER PREHEA T TEMPERA TURES A RE NECESSARY TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI- SCALD V AL VE FOR HOT WA TER SUPPLIED TO FIXTURES.
17 INST ALLA TION DIAGRAMS-SIDE INLET/OUTLET USAGE DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERATURE CONTROL WARNING ON P AGE 25. IF HIGHER PREHEA T TEMPERA TURES A RE NECESSARY TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI- SCALD V AL VE FOR HOT WA TER SUPPLIED TO FIXTURES.
18 ONE OR TWO TEMPERATURE - ONE HEATERS, HIGH TEMPERATURE STORAGE WITH OR WITHOUT RECIRCULATION HEATER WITH OR WITHOUT MIXING VALVE HEATER WITH MIXING VALVE AND RECIRCULATED SANITIZING LOOP NOTE 1: TOGGLE SWITCH CONTROLS 180°F (82°C) W A TER CIRCULATION.
19 TWO TEMPERATURE - TWO PRE-HEATERS WITH MIXING VALVE OR BOOSTER HEATER WITH OR WITHOUT BUILDING RECIRCULATION TWO PRE-HEATERS WITH MIXING VALVE TWO PRE-HEATERS WITH BOOSTER HEATER DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES.
20 MEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION VERTICAL STORAGE TANK HORIZONTAL STORAGE TANK DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE AT FIXTURES. SEE WA TER TEMPERA TURE CONTROL W ARNING ON P AGE 25.
21 MODEL DIMENSION “A” BTI-120 63 ” BTI-154 70 ” BTI-180 70 ” BTI-199 70 ” BTI-200/A 7 2 ” BTI-250/A 7 2 ” BTI-275/A 7 2 ” BTI-310/A 7 3 ” BTI-366/A 7 3 ” BTI-400/A 7 3 ” MANIFOLD KITS TWO UNIT MANIFOLD KIT (P ART NO. 195686) THREE UNIT MANIFOLD KIT (P ART NO.
22 TABLE 8 APPROXIMATE TIME REQUIRED TO CONSUME 1 CU. FT. OF GAS AT FULL CAPACITY TIME REQ’D INPUT TYPE BTUH T O CONSUME R A T E O F PER 1 CU. FT . (BTUH) G AS CU. FT . OF GAS 120,000 N A TURAL 1050 31.5 SEC. (35kW) PROP ANE 2500 75.0 SEC. 154,000 N A TURAL 1050 24.
23 SEQUENCE OF OPERA TION The following information will describe the Sequence of Operation for this appliance. 1. Switch power on to unit. 2. Thermostat calls for heat. 3. Ignition Control Board performs diagnostic check on system components. 4. On completion of diagnostics check, the Ignition Control Board sends signal to Exhaust Inducer .
24 A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner . Do not try to light the burner by hand. B . BEFORE OPERA TING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor .
25 W A TER TEMPERA TURE CONTROL DANGER THIS W A TER HEA TER IS EQUIPPED WITH AN ADJUST ABLE THERMOST A T TO CONTROL W A TER TEMPERA TURE. HOT W A TER TEMPERA TURES REQUIRED FOR AUTOMA TIC DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD BURNS RESUL TING IN SERIOUS PERSONAL INJURY AND/ OR DEA TH.
26 NOTE: 1. Remove main burners from unit. 2. Check that burner venturi and ports are free of foreign debris. 3 . Clean burners with bristle brush and/or vacuum cleaner - DO NOT distort burner ports or pilot location. 4. Reinstall burners in unit. Make sure front and rear of burners are installed correctly in burner support brackets.
27 If the appliance installation includes other relief valves, such as in “remote” storage tanks etc., check their relief valve operation with the same frequency . WARNING THE W A TER P ASSING OUT OF THE V AL VE DURING THIS CHECKING OPERA TION MA Y BE EXTREMEL Y HOT .
28 4. Remove lime, scale, or sediment using care not to damage the glass lining. 5 . Inspect cleanout plate gasket, if new gasket is required, replace with A. O. Smith part no. 99038. 6 . Install cleanout plate. Be sure to draw plate up tight by tightening screws securely .
29 7. Lower container , you may have to place the container on its empty carton to prevent the UN•LIME from flowing back into the container . 8. Let UN•LIME remain in the heater for 5 minutes and then lower the container to the "Drain" Position, see Figure 16.
30 SEQUENCE OF OPERA TION FLOW CHART Description of this flow chart can be found in the “SEQUENCE OF OPERA TION” section found on page 23. Switch power on to unit.
31 REMEDY COMPLAINT CAUSE USER SERVICEMAN *Water not hot enough. Thermostat set too low . Set thermostat dial to a higher temperature. Thermostat out of calibration. Call serviceman Recalibrate thermostat. If thermostat cannot be recalibrated, replace.
32 Model BTI Limited Warranty A. O. Smith Corporation, the warrantor, extends the following LIMITED W ARRANTY to the owner of this water heater . 1. THE T ANK If the glass-lined tank in this water hea.
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 BTI 120 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 BTI 120 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso A.O. Smith BTI 120 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul A.O. Smith BTI 120 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il A.O. Smith BTI 120, 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 BTI 120.
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 BTI 120. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo A.O. Smith BTI 120 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.
