Instruction/ maintenance manual of the product BT- 80 A.O. Smith
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1 PRINTED 0107 197569-000 MODELS BT - 80 AND 100 300/301 SERIES PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE.
2 FOREWORD The design of models BT -80 and 100 comply with the current edition 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 ATER. 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 IF YOU EXPERIENCE AN OUT -OF-GAS SITUA TION, DO NOT TRY TO RELIGHT APPLIANCES YOURSELF , ask your LP delivery person to relight pilots for you. Only trained LP professionals should conduct the required safety checks in accordance with industry standards.
5 Drain pans suitable for these heaters are available from your distributor or A. O. Smith W ater Products Company , 500 T ennessee W altz Parkway , Ashland City , TN 37015. W ater heater life depends upon water quality , water pressure and the environment in which the water heater is inst alled.
6 insulation, caulking, vapor barrier , etc.), air for combustion, ventilation and draft hood dilution must be obtained from out doors. The installation instructions for confined spaces in tightly constructed buildings must be followed to ensure adequate air supply .
7 VENT CONNECTION V ent connections must be made to an adequate stack or chimney . Size and install proper size vent pipe. Do not reduce pipe size to less than that of the draft hood outlet. Horizontal runs of vent pipe must have a minimum upward slope toward the chimney of 1/4 inch per foot.
8 GAS PIPING Contact your local gas service company to ensure that adequate gas service is available and to review applicable installation codes for your area. Size the main gas line in accordance with T able 1. The figures shown are for straight lengths of pipe at 0.
9 FIGURE 6-THERMOSTAT FOR NATURAL AND PROPANE GASES GAS PRESSURE REGULA TOR The gas pressure regulator is built into the gas valve and is equipped to operate on the gas specified on model and rating plate.
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11 FOR YOUR SAFETY READ BEFORE LIGHTING • If you cannot reach your gas supplier , call the fire department. C. Use only your hand to push down or turn the gas control knob. Never use tools. If the knob will not push down or turn by hand, don’t try to repair it, call a qualified service technician.
12 It is recommended that lower water temperatures be used to avoid the risk of scalding. It is further recommended, in all cases, that the water temperature dial be set for the lowest temperature which satisfies your hot water needs. This will also provide the most energy ef ficient operation of the water heater .
13 WARNING F AILURE TO CORRECT BACK DRAFTS MA Y CAUSE AIR CONT AMINA TION AND UNSAFE CONDITIONS. • If the back draf t cannot be corrected by the normal method or if a suit able draft cannot be obtained, a blower type flue gas exhauster must be employed to assure proper venting and correct combustion.
14 T ABLE 3 INPUT CHECK TIME REQUIRED TO CONSUME 1 CU. FT . OF GAS T ype of BTU Per Approx. Time Required T o Model Gas Cu. Ft. Consume 1 Cu. Ft. of Gas BT -80 Natural 1050 50.3 sec. Prop ane 2500 1 19.8 sec. BT -100 Natural 1050 50.3 sec. Prop ane 2500 1 19.
15 PREVENTIVE MAINTENANCE RECOMMENDED PROCEDURE FOR PERIODIC REMOV AL OF LIME DEPOSITS FROM T ANK TYPE COMMERCIAL WA TER HEA TERS The amount of calcium carbonate (lime) released from water is in direct proportion to water temperature and usage, see chart.
16 DELIMING USING FLO-JUG METHOD UN•LIME in the 5 gallon size is recommended for deliming of the BT -80 and 100 models. UN•LIME with the necessary hoses and fittings to delime your heater is also available as a kit: Up-N-Down Transfer Kit. Cont act your local A.
17 if excessive, can drip into the floor shield. Also, during normal operation there may be occasions when large quantities of water are drawn, chilling the tank bottom. This too can result in condensation. • Condensation, appearing in the vent pipe (water dripping from draft diverter) during heater operation is evidence of poor vent action.
18 Model BT Limited W arranty 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.
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20 A.O. SMITH WATER PRODUCTS COMPANY 500 Tennessee Waltz Parkway • Ashland City, TN 37015 PHONE: 1-800-527-1953 www.aosmithwaterheaters.com • E-MAIL: parts@hotwater.
An important point after buying a device A.O. Smith BT- 80 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith BT- 80 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith BT- 80 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith BT- 80 you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith BT- 80 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith BT- 80, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith BT- 80.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith BT- 80. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith BT- 80 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
