Instruction/ maintenance manual of the product BTF-75 A.O. Smith
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1 PRINTED IN U. S.A. 0901 P ART NO . 194643-000 Thank you for buying this energy efficient water heater from A.O. Smith W ater Products Company . We appreciate your confidence in our products. CAUTION TEXT PRINTED OR OUTLINED IN RED CONT AINS INFORMA TION RELA TIVE TO YOUR SAFETY .
2 ROUGH-IN-DIMENSIONS FOREWORD The design of model BTF-75 complies with the latest version of ANSI Z21.10.3/CSA 4.3 M98 as automatic storage or automatic circulating tank type water heaters.
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 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 The heater is design certified by the Canadian Standards for installation on combustible flooring in a closet having minimum clearances from combustible material of: 2" clearance from sides and rear , 6" from the front and 24" from the top.
6 CLOSED W A TER SYSTEM A closed system will exist if a back-flow preventer (check valve), pressure reducing valve, or other similar device is installed in the cold water line between the water heater and the street main (or well).
7 5 . The vent termination shall not be mounted directly above or within 3 feet horizontally from an oil tank vent or gas meter to avoid potential freeze-up from condensation. Plan the vent system layout so that proper clearances are maintained from plumbing and wiring.
8 PVC Materials should use ASTM D-2564 Grade Cement; CPVC Materials should use ASTM F-493 Grade Cement and ABS Materials should use ASTM D-2235 Grade Cement. NOTE: 1. For water heaters in locations with high ambient temperatures (above 100°F) and/or insufficient dilution air , it is recommended that CPVC or ABS pipe and fittings be used.
9 POWER VENT WIRING SCHEMA TIC - FIGURE 7 A. Remove two screws that secure side plate on control box and remove plate. B . Cut flexible power cord on inside of control box, as close to inside wall as possible. C . If flexible cord and strain relief are removed, then opening in box must be covered.
10 INST ALLA TION OF VENT SYSTEM, SIDEW ALL With the route of the venting system and selection of materials completed, as discussed in section of this manual titled PLANNING THE VENT SYSTEM, the throu.
11 • Rag - Cotton (Not Synthetic) • Primer and Cleaner • Solvent Cement - PVC for PVC Components and CPVC for CPVC Components • Containers - Metal or Glass to hold Primer and Cement.
12 G. Cleanup and joint movement Remove all excess cement from around the pipe and fitting with a dry cotton rag. This must be done while the cement is still soft. The joint should not be disturbed immediately after the cementing procedure, and sufficient time should be allowed for proper curing of the joint.
13 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. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier ’s instructions.
14 PURGING Gas line purging is required with new piping or systems in which air has entered. CAUTION PURGING SHOULD BE PERFORMED BY PERSONS EXPERIENCED IN THIS TYPE OF GAS SERVICE. TO A VOID RISK OF FIRE OR EXPLOSION, PURGE DISCHARGE MUST NOT ENTER CONFINED AREAS OR SP ACES WHERE IGNITION CAN OCCUR.
15 HIGH TEMPERA TURE CUT-OFF SWITCH The thermostat has a built-in temperature cut-off switch (TCO), which will shut off gas to the burner in case of excessive water temperature. If the TCO functions the valve will flash 4 times and the valve must be replaced.
16 Should the main burner or burner air openings require cleaning, remove the burner and clean with a soft brush. Clean main burner orifice with a suitable soft material. CHECK FOR GOOD FLOW OF COMBUSTION AND VENTILA TING AIR TO THE UNIT . MAINT AIN A CLEAR OPEN AREA AROUND THE HEA TER A T ALL TIMES.
17 NOT ENOUGH OR NO HOT W A T ER VENT PIPE TOO HOT (ABOVE 170° F) YELLOW FLAME CONDENSA TION W ATER LEAKS LEAKING T&P V AL VE HOT W A TER ODORS OR COLOR (Refer to CA THODIC PROTECTION) PROBLEM PO.
18 OFF BRITE - DM 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES 6 FLASHES LED ST A TUS INDICA TES CHECK/REP AIR No power to system control. Normal Operation This indication shows whenever the system is powered, unless some abnormal event has occurred.
19 SV9560/SV9570 SMARTV AL VE ® W A TER HEA TER CONTROL TROUBLESHOOTING GUIDE ST ART l CHECK FOR PROPER VOL T AGE A T CONTROL HARNESS (SEE INSET A). VOL T AGE SHOULD BE 120V BETWEEN 120V COMMON AND 120V HOT . TURN ON GAS SUPPL Y PLUG HARNESS INTO SmartV alve ® CONTROL.
20 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 examin.
An important point after buying a device A.O. Smith BTF-75 (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 BTF-75 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 BTF-75 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith BTF-75 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 BTF-75 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith BTF-75, 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 BTF-75.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith BTF-75. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith BTF-75 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
