A.O. Smith BTP-140-140 - Manuals

Page 2 - FOREWORD; TABLE OF CONTENTS; IDENTIFICATION

2 FOREWORD This manual is intended to be used in conjunction with otherliterature provided with the heater. This includes power burnerand related gas control information. It is important that this manualand the additional publications be reviewed in their entirety beforebeginning any work. The insta...

Page 3 - WARNING

3 GENERAL SAFETY INFORMATION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY PART HAS BEENUNDERWATER. Immediately call a qualified service technicianto inspect the appliance and to replace any part of the controlsystem and any gas control which has been under water. IF THE UNIT IS EXPOSED TO THE FOLLOW...

Page 4 - FIGURE 1; INSTALLATION INSTRUCTIONS; REQUIRED ABILITY; FEATURES; WATER TEMPERATURE CONTROL; Temperature

4 The water temperature is controlled by two thermostats. Onethermostat is located near the top of the tank and the other is inthe lower part of the tank. The upper thermostat must be set atleast 5°F higher than the lower thermostat. In the case where thewater heater has electronic thermostats, this...

Page 5 - LOCATING THE HEATER; LEVELING; MINIMUM INSTALLATION CLEARANCES; AIR REQUIREMENTS; UNCONFINED SPACE

5 The latest version of the National Electrical Code, NFPA No.70. In Canada refer to Canadian Electrical Code C 22.1, fromNational Fire Protection Association, 1 Batterymarch Park,Quicy, MA 02269-9101. LOCATING THE HEATER When installing the heater, consideration must be given to properlocation. Loc...

Page 6 - VENTING; VENT CONNECTOR; TABLE 1; BAROMETRIC DRAFT CONTROL ASSEMBLY; PROPER DRAFT CONTROLLER AND

6 UNDESIRABLE OPENINGS, CAUSING POOR COMBUSTION.SOOTING MAY RESULT WITH AN INCREASED RISK OFASPHYXIATION. THERMAL EXPANSION (CLOSED SYSTEM) Thermal expansion occurs in any hot water system when systemwater is heated or “recovered” during periods of non-use. If the system is operated in an “open” con...

Page 7 - GAS PIPING

7 Where an existing chimney or vent is to be used, be sure that thechimney or vent has adequate capacity for the number and sizesof gas appliances being vented through it. Inspect the chimneyor vent and remove all soot or other obstructions, which will retardfree draft. Vent piping making horizontal...

Page 8 - NATIONAL FUEL GAS CODE.; PURGING; CAUTION; GAS METER SIZE – CITY GASES ONLY; POWER BURNER; WIRING

8 TABLE 3 EQUIVALENT LENGTH OF FITTINGS IN FEET Pipe Size (IPS) 1 1.25 1.5 2 2.5 3 4 Std. Tee through side 5.5 7.5 9.0 12.0 14.0 17.0 22.0 Std. E11 2.7 3.7 4.3 5.5 6.5 8.0 12.0 45°F E11 1.2 1.6 2.0 2.5 3.0 3.7 5.0 Plug Cock 3.0 4.0 5.5 7.5 9.0 12.0 16.0 WARNING THE HEATER IS NOT INTENDED FOR OPERATI...

Page 11 - MODEL; OPERATION; IMPORTANT; FILLING; COMBUSTION ARRANGEMENT REQUIREMENTS

11 OF ELECTRICAL SHOCK. DO NOT ENERGIZE THE BRANCHCIRCUIT BEFORE THE HEATER TANK IS FILLED WITHWATER. TWO UNIT MANIFOLD INSTALLATION Assure water flow balance of all units. Without this balance, thefull water heating and storage potential of the system cannot beachieved. Otherwise, the units with th...

Page 12 - MAINTENANCE; GENERAL

12 3. The correct test instruments are: • CO 2 indicator or 0 2 analyzer • CO indicator • Stack thermometer • Draft gauge or inclined manometer • U-tube manometer or calibrated 0-10” and 0-35” w.c.pressure gauge • Combination volt/ammeter. Suggested safety device test procedures are: A. While heater...

Page 13 - RELIEF VALVE

13 Lime accumulation not only reduces the life of the equipment butalso reduces efficiency of the heater and increases fuelconsumption. The usage of water softening equipment greatly reduces thehardness of the water. However, this equipment does not alwaysremove all of the hardness (lime). For this ...

Page 14 - VENT SYSTEMS; FIGURE 3; TROUBLESHOOTING; NOT ENOUGH OR NO HOT WATER

14 BURNER AIR OPENINGS OR VENTILATION GRILLES FORCOMBUSTION AIR. REMOVE LINT ACCUMULATION FROMAIR INTAKE GRILL. At least annually, contact a qualified service agency for burnercleaning and other routine maintenance. CLEANING FLUES-COF & COBT ONLY The following describes how to gain access to the...

Page 16 - CERTIFIED FACTORY START - UP REQUIRED

16 CERTIFIED FACTORY START - UP REQUIRED To activate your warranty, contact your local sales representative or Authorized Start-up Agent to arrange for a FREE Certified Start-up. A.O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1. THE T...