A.O. Smith BT- 65 - Manuals

Page 2 - FOREWORD

2 ROUGH-IN-DIMENSIONS FOREWORD The design of Model BT-65 complies with the latest version ofANSI Z21.10.1/CSA 4.1 M98 as automatic storage type water heater. Installation diagrams are found in this manual. These diagramswill serve to provide the installer with a reference for the materialsand method...

Page 3 - TABLE OF CONTENTS; GENERAL SAFETY; PRECAUTIONS; CHEMICAL VAPOR CORROSION; WARNING; IMPROPER COMBUSTION; WARNING; EXTENDED NON-USE PERIODS; WARNING

3 TABLE OF CONTENTS Page ROUGH-IN DIMENSIONS ....................................................................... 2FOREWORD .......................................................................................... 2GENERAL SAFETY INFORMATION .........................................................

Page 4 - INSULATION BLANKETS; INSTALLATION INSTRUCTIONS; REQUIRED ABILITY; HIGH ALTITUDE INSTALLATIONS

4 to flow. THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN. INSULATION BLANKETS Insulation blankets available to the general public for external useon gas water heaters are not necessary with A.O. Smith water heater.The purpose of an insulation blanket is to reduce th...

Page 5 - CANADIAN REQUIREMENTS; CLEARANCES; HEATING AND SPACE HEATING

5 U.S. REQUIREMENTS Ratings specified by manufacturers for most appliances apply forelevations up to 2000 feet (610 m). For elevations above 2000 feet(610 m), ratings must be reduced at the rate of 4% for each 1000feet (305 m) above sea level. For example, if a heater is rated at65,000 Btuh (19 Kw) ...

Page 6 - VENTING; RELIEF VALVE

6 2. Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into this system. 3. This unit may NEVER be connected to any existing heating system or component(s) previously used with a non-potablewater heating appliance. 4. W h e n t h e s y s t e m r e q u i r e s w a t ...

Page 7 - GAS PIPING

7 In addition to the appliance relief valve, each remote storage tankwhich may be used in conjunction with this appliance shall alsobe installed with a properly sized, rated and approved combinationtemperature (ANSI) and pressure (ASME) relief valve(s). WARNING THE PURPOSE OF RELIEF VALVE IS TO AVOI...

Page 8 - PURGING; GAS PRESSURE REGULATOR

8 TABLE 1 - 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 9 - OPERATION

9 TABLE 2 MANIFOLD PRESSURE SETTING Model Type of Manifold Number Gas Input Pressure BT-65 Natural 65,000 Btu/hr 4.0 in. W.C. 16.7 KW/hr 1.0 Kpa BT-65 Propane 55,000 Btu/hr 10.0 in. W.C. 16Kw 2.49kPa OPERATION It is recommended that a qualified person perform the initial firingof the heater. At this...

Page 10 - TO TURN OFF GAS TO APPLIANCE

10 FOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONS WARNING I f you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. • If you cannot reach your gas supplier, call the firedepartment. C. Use only your hand to ...

Page 11 - TEMPERATURE REGULATION; HIGH TEMPERATURE LIMIT SWITCH

11 TEMPERATURE REGULATION DANGER THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLETHERMOSTAT TO CONTROL WATER TEMPERATURE. HOTWAT E R T E M P E R AT U R E S R E Q U I R E D F O R A U T O M AT I CDISHWASHER AND LAUNDRY USE CAN CAUSE PAINFULSCALDING WITH POSSIBLE SERIOUS AND PERMANENT INJURY.THE TEMPER...

Page 12 - SERVICE INFORMATION; PILOT AND MAIN BURNER; CHECKING GAS INPUT

12 of the building. Turn on all appliances not connected to theventing system. Turn on all exhaust fans, such as range hoodsand bathroom exhausts, so they shall operate at maximumspeed. Close fireplace dampers. 4. Follow the lighting instruction. Place the water heater being inspected in operation. ...

Page 13 - CHECKLIST

13 Compare the actual input rate to that given on the heater’s ratingplate. In the example, the BT-65’s full input rate should be65,000 Btuh (19.0 KW) for natural gas. VENT SYSTEM Examine the venting system every 6 months for obstructions and/or deterioration of vent piping. RELIEF VALVE At least on...

Page 15 - Model BT Limited Warranty

15 Model BT 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 w...