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A.O. Smith BTI 120 manuel d'utilisation

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- informations sur les caractéristiques techniques du dispositif A.O. Smith BTI 120
- nom du fabricant et année de fabrication A.O. Smith BTI 120
- instructions d'utilisation, de réglage et d’entretien de l'équipement A.O. Smith BTI 120
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif A.O. Smith BTI 120, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation A.O. Smith BTI 120. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    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.S.A. 0803 SUPERSEDES P ART NO.194780-000 A DIVISION OF A. O. SMITH CORPORA TI[...]

  • Page 2

    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 Inches m m Inches m m A 63 1800 70 1778 7 0 1 778 70 1778 72 1829 72 1829 72 1829 73 1854 73 1854 73 1854 B 4 1/4 10 8 4 1/ 4 10 8 4 1/4 10 8 4 1/4 1[...]

  • Page 3

    3 T ABLE OF CONTENTS ROUGH-IN-DIMENSIONS ................................................ 2 FOREWORD ..................................................................... 3 GENERAL SAFETY INFORMA TION .................................. 4 Precautions .................................................................. 4 Grounding Instructions ........[...]

  • Page 4

    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 . IF THE UNIT IS EXPOSED TO THE FOLLOWING, DO NOT OPERA TE HEA TER UNTIL ALL CO[...]

  • Page 5

    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. • Do obtain new labels from A.O. Smith for placement [...]

  • Page 6

    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 . The silicone nitride ignitor shut s off during the heating cycle and the main burner flame is sensed through a remote flame sensor integral to the silicone nitride[...]

  • Page 7

    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. When installing the heater , consideration must be given to proper location. Location selected [...]

  • Page 8

    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). If the confined space is within a building of tight construction, air for combusti[...]

  • Page 9

    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. 1992. TECHNICAL DA T A VENTING MODEL BTI-120 Input: 120,000 Btu/hr T otal V ent Height (Feet) V ent Connector [...]

  • Page 10

    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 6 250,000 2 Ft 7 7 7 7 6 6 6 6 250,000 3 Ft 7 7 7 7 6 6 6 6 Number Combined Input BTI 250 of Heaters in Thousands of Btu/hr Manifold and Common V ent [...]

  • Page 11

    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. When used with a separate storage tank, the circulation m[...]

  • Page 12

    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. VENT BLOCKAGE MA Y OCCUR DURING ICE STORMS. TABLE 6 - GAS SUPPLY LINE SIZES [...]

  • Page 13

    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. If any of the original wire as supplied with the[...]

  • Page 14

    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. CODE RESTRICTIONS Use of the to[...]

  • Page 15

    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. HORIZONT AL ST [...]

  • Page 16

    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. TWO TEMPERA TURE - ONE HEA TER HIGH TEMPERA TURE STORAGE WITH R[...]

  • Page 17

    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. A listed temper[...]

  • Page 18

    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. INST ALL ON OR CLOSE TO DISHWASHING MACHINE. TOGGLE SWITCH MUST BE CLOSED (ON) DURING THE RIN[...]

  • Page 19

    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. SEE WA TER TEMPERA TURE CONTROL WARNING ON P AGE 25. IF HIGHER PREHEAT TEMPERA TURES A[...]

  • Page 20

    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. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSARY T[...]

  • Page 21

    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. 195687) FOUR UNIT MANIFOLD KIT (P ART NO. 195688)[...]

  • Page 22

    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 24.5 SEC. (45kW) PROP ANE 2500 58.4 SEC. 180,000 N A TURAL 1050 21.1 SEC. (53kW) PROP[...]

  • Page 23

    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 . 5 . Ex[...]

  • Page 24

    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 . “WHA T TO DO IF[...]

  • Page 25

    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. THE TEMPERA TURE A T WHICH INJURY OCCURS V ARIES WITH THE P[...]

  • Page 26

    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. Also check for[...]

  • Page 27

    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 . A VOID CONT ACT AND DISCHARGE SAFEL Y TO PREVENT WA TER DAMAGE. If the temper[...]

  • Page 28

    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 . 7. Replace outer jacket cover plate. In some water areas the sediment might[...]

  • Page 29

    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. 9. Deliming activity is indicated by foaming on the surface of the UN•LIM[...]

  • Page 30

    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. Thermostat calls for heat. Ignition Control Board performs diagnostic check on components Ignition Control Board sends power to Exhaust Inducer Exhaust Inducer engages Prover Switch [...]

  • Page 31

    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. *Insufficient hot water Thermost at set too low . Set thermostat dial to a higher *See WA TER TEM[...]

  • Page 32

    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 heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the first THREE years aft[...]