A.O. Smith BTI-80 - Manuals

A.O. Smith BTI-80 – Manual in PDF format online.

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Manual

Manual A.O. Smith BTI-80

Summary

Page 2 - FOREWORD; In the United States:; TOP VIEW

2 FOREWORD The design of models BTI-80 and 100 comply with the latest version ofANSI Z21.10.3/CSA 4.3 as automatic storage or automatic circulating tanktype water heaters. Installation diagrams are found in this manual. These diagrams will serveto provide the installer with a reference for the mater...

Page 3 - TABLE OF CONTENTS; WARNING

3 GENERAL SAFETY INFORMATION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER.Immediately call a qualified service technician to inspect the appliance andto replace any part of the control system and any gas control which hasbeen under water. IF THE UNIT IS EXPOSED TO THE FOLLO...

Page 4 - HIGH ALTITUDE INSTALLATIONS; CIRCULATING PUMP; INSTALLATION INSTRUCTIONS; REQUIRED ABILITY

4 heater meets or exceeds the ASHRAE/IES 90.1b-1999 standards withrespect to insulation and standby loss requirement making an insulationblanket unnecessary. WARNING Should you choose to apply an insulation blanket to this heater, you shouldfollow these instructions. Failure to follow these instruct...

Page 5 - FLAMMABLE ITEMS; CLEARANCES; AIR REQUIREMENTS; UNCONFINED SPACE

5 (45.7 CM) OR MORE ABOVE THE FLOOR. THIS MAY REDUCE THE RISK IFLOCATION IN SUCH AN AREA CANNOT BE AVOIDED. DO NOT INSTALL THIS WATER HEATER DIRECTLY ON A CARPETEDFLOOR. A FIRE HAZARD MAY RESULT. Instead the water heater must be placed on a metal or wood panel extending beyond the full width anddept...

Page 6 - VENTING; FIGURE 2; VENT CONNECTION; MIXING VALVE APPLICATION FOR TWO TEMPERATURE WATER

6 CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOWPREVENTER, CHECK VALVE OR WATER METER WITH CHECKVALVE, PROVISIONS FOR THERMAL EXPANSION OF WATER INTHE HOT WATER SYSTEM MUST BE PROVIDED. FIGURE 3 CIRCULATING RETURN LINE CONNECTIONSTEMPERED WATER LOOP, IF USED, CONNECT TO POINT "A".STO...

Page 7 - AND SPACE HEATING; CAUTION; RELIEF VALVE; GAS PIPING

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 thetemperature of the outlet water supply. COMBINATION WATER (POTABLE) HEATING AND SPACE HEATING 1. All piping components connected...

Page 8 - WIRING DIAGRAM AND SCHEMATIC - FIGURE 4; HEATER WIRING

8 WIRING DIAGRAM AND SCHEMATIC - FIGURE 4 HEATER WIRING All electrical work must be installed in the United States in accordance with the latest version of the National Electrical Code ANSI/NFPA No. 70, inCanada, with the latest version of Canadian Electrical Code CSA C22.1, must conform to all loca...

Page 9 - FIGURE 5 - GAS PIPING AND DIRT LEG INSTALLATION; PURGING; GAS PRESSURE REGULATOR; OPERATION; TO OPERATE THE HEATER

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 1/4" 1 1/2" 2" 2 1/2" 3" 4" 10 175 360 680 1400 2100 3960 6300 11000 23000 20 120...

Page 10 - FOR YOUR SAFETY READ BEFORE OPERATING; OPERATING INSTRUCTIONS; BEFORE OPERATING

10 4. This appliance is equipped with a device which automatically lights the burner.DO NOT TRY TO LIGHT THE BURNER BY HAND. 5. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow "B" in the safety information above on this label.If you don't smell gas, go to next...

Page 11 - CHECKING VENTING; DANGER; FIGURE 6

11 SETTING THE WATER HEATER TEMPERATURE AT 120°F (49°C) (APPROX." " MARK ON FACE OF THE TEMPERATURE ADJUSTING DIAL) WILLREDUCE THE RISK OF SCALDS. Some states require settings at specific lower temperatures. Temperature Time to Produce 2nd & 3rd Setting Degree Burns on Adult Skin 180°F (...

Page 12 - CHECKING GAS INPUT; VENT SYSTEM; SERVICE INFORMATION; MAIN BURNER AND IGNITER

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.4. Cause no excessive lifting of flames from burner ports. If preceding burner characteristics are not evident, chec...

Page 13 - PREVENTIVE MAINTENANCE; FIGURE 8

13 BLOWER MAINTENANCE For safety and satisfactory operation it is recommended that the blower bechecked 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 wh...

Page 14 - TANK CLEANOUT PROCEDURE; FIGURE 9

14 TANK CLEANOUT PROCEDURE The following practices will ensure longer life and enable the unit to operateat 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. Inlet water valveshould remain open to main...

Page 15 - CHECKLIST; NOT ENOUGH OR NO HOT WATER; CONDENSATION

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 thecold water inlet line and allow water to flow through heater and outdrain valve. Don’t forget to plug vent and cap opening in Fl...

Page 16 - SERVICE AND REPAIR; TROUBLESHOOTING; WATER HEATING CYCLE

16 A hydrogen sulfide (rotten egg) odor may result if water contains highsulfate and/or minerals. Chlorinating the water supply should minimize theproblem. (See EXTENDED NON-USE PERIODS). NOTE: Anode must remain installed (except for inspection) to avoid shortening tank life. See LIMITED WARRANTY. R...

Page 17 - PROBLEM

17 TROUBLESHOOTING For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE. OPERATE ONLY AS WIRED FROM FACTORY. NOT ENOUGH OR NO HOT WATER YELLOW F...

Page 18 - WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE.; TER HEA; LED STATUS

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 INFORMATION section first. WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE. OPERATE ONLY AS WIRED FROM FACTORY. W A ...

Page 19 - Model BTI Limited Warranty

19 Model BTI Limited Warranty A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1. THE TANK 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 ...

Page 20 - REPLACEMENT PARTS

20 5621 W. 115TH STREET, ALSIP, IL 60803 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 www.hotwater.com E-mail: [email protected] REPLACEMENT PARTS