A.O. SmithメーカーBTI-80の使用説明書/サービス説明書
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1 PRINTED IN U.S.A. 0803 MODELS BTI-80 AND 100 PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE. COMMERCIAL GAS W A TER HEA TER Glass-Lined T ank-type W ater Heater P ART NO.
2 FOREWORD The design of models BTI-80 and 100 comply with the latest version of ANSI Z21.10.3/CSA 4.3 as automatic storage or automatic circulating tank type water heaters. Installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping necessary .
3 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 .
4 heater meets or exceeds the ASHRAE/IES 90.1b-1999 standards with respect to insulation and standby loss requirement making an insulation blanket unnecessary . WARNING Should you choose to apply an insulation blanket to this heater , you should follow these instructions.
5 (45.7 CM) OR MORE ABOVE THE FLOOR. THIS MA Y REDUCE THE RISK IF LOCA TION IN SUCH AN AREA CANNOT BE A VOIDED. DO NOT INST ALL THIS WA TER HEA TER DIRECTL Y ON A CARPETED FLOOR. A FIRE HAZARD MA Y RESUL T . Instead the water heater must be placed on a metal or wood panel extending beyond the full width and depth by at least 3 inches (7.
6 CAUTION: IF BUILDING COLD WA TER SUPPL Y HAS A BACK-FLOW PREVENTER, CHECK V AL VE OR W A TER METER WITH CHECK V AL VE, PROVISIONS FOR THERMAL EXP ANSION OF WA TER IN THE HOT WA TER SYSTEM MUST BE PROVIDED. FIGURE 3 CIRCULA TING RETURN LINE CONNECTIONS TEMPERED W A TER LOOP , IF USED, CONNECT TO POINT "A".
7 THERMOMETERS (Not Supplied) Thermometers should be obtained and field installed as shown in Figure 3. Thermometers are installed in the system as a means of detecting the temperature of the outlet water supply . COMBINA TION W A TER (POT ABLE) HEA TING AND SP ACE HEA TING 1 .
8 WIRING DIAGRAM AND SCHEMA TIC - FIGURE 4 HEA TER WIRING All electrical work must be installed in the United S tates in accordance with the latest version of the National Electrical Code ANSI/NFP A No. 70, in Canada, with the latest version of Canadian Electrical Code CSA C22.
9 TABLE 4 - GAS SUPPLY LINE SIZES (IN INCHES)* MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUR LENGTH NORMAL IRON PIPE SIZES (INCHES) IN INPUT IN THOUSANDS BTU/HR FEET 1/2" 3/4" 1" 1 1/.
10 4 . This appliance is equipped with a device which automatically lights the burner . DO NOT TR Y T O LIGHT THE BURNER BY HAND. 5. W ait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow "B" in the safety information above on this label.
11 SETTING THE W A TER HEA TER TEMPERA TURE A T 120°F (49°C) (APPROX. " " MARK ON F ACE OF THE TEMPERA TURE ADJUSTING DIAL) WILL REDUCE THE RISK OF SCALDS.
12 1. Provide complete combustion of gas. 2 . Cause rapid ignition and carryover of flame across entire burner . 3. Give reasonably quiet operation during ignition, burning and extinction.
13 BLOWER MAINTENANCE For safety and satisfactory operation it is recommended that the blower be checked once a year by a competent service person. 1. MOTOR - The motor is factory oiled and sealed and requires no further maintenance. 2. WHEEL - Wheel must be clean of soot, ash or any other coating which inhibits either rotation or air flow .
14 T ANK CLEANOUT PROCEDURE The following practices will ensure longer life and enable the unit to operate at its designed efficiency: 1. Once a month the heater should be flushed. Open the drain valve and allow two gallons of water to drain from the heater .
15 8. When deliming has been completed, the heater should be flushed for 3 to 5 minutes with fresh water . • Remove the deliming equipment, install the drain valve, open the cold water inlet line and allow water to flow through heater and out drain valve.
16 A hydrogen sulfide (rotten egg) odor may result if water contains high sulfate and/or minerals. Chlorinating the water supply should minimize the problem. (See EXTENDED NON-USE PERIODS). NOTE: Anode must remain installed (except for inspection) to avoid shortening tank life.
17 TROUBLESHOOTING For your safety , water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMA TION section first. W ARNING: DO NOT BY -P ASS ANY CONTROLS TO MAKE HEA TER OPERA TE. OPERA TE ONL Y AS WIRED FROM F ACTOR Y .
18 TROUBLESHOOTING Please check guidelines below . For your safety , water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMA TION section first. W ARNING: DO NOT BY -P ASS ANY CONTROLS T O MAKE HEA TER OPERA TE.
19 Model BTI 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 hea.
20 5621 W . 1 15TH STREET , ALSIP , IL 60803 PHONE: 1-800-433-2545 F AX: 1-800-433-2515 w w w .hotwater .com E-mail: p art s@hotwater .com REPLACEMENT P ARTS.
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