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MODELS BBCN375T754NV
Series 100
COMMERCIAL ULTRA LOW NOx GAS WATER HEATER
Glass-Lined Tank-type Water Heater
• INSTALLATION • OPERATION • SERVICE • MAINTENANCE • LIMITED WARRANTY
CAUTION
TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION
RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY
BEFORE INSTALLING AND USING THIS APPLIANCE.
www.americanwaterheater.com
American Water Heater
Johnson City, TN 37605
PLACE THESE INSTRUCTIONS ADJACENT TO HEATER
AND NOTIFY OWNER TO KEEP FOR F
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ROUGH-IN DIMENSIONS TOP VIEW *INSTALL IN ACCORDANCE WITH LOCAL CODES FIGURE 1. TABLE 1, DIMENSIONS Units A B C D E F G H J K L M Inches 66 5/8 58 3/4 30 15/16 27 3/4 15 1/4 4 15 3/4 16 1 1/4 1 1/4 1/2 12 1/4 CM 169.22 134.23 78.58 70.5 38.6 10.2 40.0 40.6 3.2 NPT NPT 31.1 TABLE 2, RECOVERY RATINGS INPUT RATE Recovery in US Gallons/hr or Liters/hr at Indicated Temperature Rise in Fahrenheit or Celsius °F 30 40 50 60 70 80 90 100 110 120 130 140 75,100 BTU/H GPH 243 182 145 122 104 91 81 73 66
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TABLE OF CONTENTS Page Page ROUGH-IN DIMENSIONS ............................................................. 2 To Operate The Heater ............................................................. 9 FOREWORD ................................................................................. 2 Lighting Instructions .................................................................. 10 GE
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INPUT section in this manual for inlet and manifold pressure INSULATION BLANKETS requirements. Insulation blankets available to the general public for external use Also due to the input rating reduction required at high altitudes, on gas water heaters are not required for use on your water heater. the output rating of the appliance is also reduced and should be The purpose of an insulation blanket is to reduce the standby heat compensated for in the sizing of the equipment for application.
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installed in a carpeted alcove or closet, the entire floor shall be covered WARNING by the panel. Also, see the drain requirements. ATTIC AND/OR EXHAUST FANS OPERATING ON THE PREMISES WITH A WATER HEATER CAN RESULT IN CARBON MONOXIDE THIS HEATER SHALL BE LOCATED OR PROTECTED SO IT IS POISONING AND DEATH. NOT SUBJECT TO PHYSICAL DAMAGE BY A MOVING VEHICLE. OPERATION OF THESE FANS CAN PRODUCE A NEGATIVE DRAFT IN THE AREA OF THE WATER HEATER PREVENTING THE PRODUCTS WARNING OF COMBUSTION FR
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VENTING WARNING THE INSTRUCTIONS IN THIS SECTION ON VENTING MUST BE FOLLOWED TO AVOID CHOKED COMBUSTION OR RECIRCULATION OF FLUE GASES. SUCH CONDITIONS CAUSE SOOTING OR RISKS OF FIRE AND ASPHYXIATION. This water heater must be protected from freezing downdrafts. Remove all soot or other obstructions from the chimney that will retard a free draft. Type B venting is recommended with these water heaters. This water heater must be vented in compliance with all local codes, the current editio
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Your local code authority may have other specific relief valve THERMOMETERS (Not Supplied) requirements. Thermometers should be obtained and field installed as shown in Figure 3. A DRAIN LINE MUST BE CONNECTED TO THE RELIEF VALVE TO DIRECT DISCHARGE TO A SAFE LOCATION TO AVOID SCALDING OR Thermometers are installed in the system as a means of detecting the WATER DAMAGE. THIS LINE MUST NOT BE REDUCED FROM THE temperature of the outlet water supply. SIZE OF THE VALVE OUTLET AND MUST NOT CON
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HEATER WIRING All electrical work must be installed in the United States in accordance with the current edition of the National Electrical Code ANSI/NFPA No. 70, in Canada, with the current edition of Canadian Electrical Code CSA C22.1, must conform to all local code authority having jurisdiction. AN ELECTRICAL GROUND IS REQUIRED TO REDUCE RISK OF ELECTRICAL SHOCK OR POSSIBLE ELECTROCUTION. If any of the original wire as supplied with the appliance must be replaced, use only type 105°C thermo
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TABLE 4. GAS SUPPLY LINE SIZES (IN INCHES)* PURGING MAXIMUM CAPACITY OF PIPE IN Gas line purging is required with new piping or systems in which air CUBIC FEET PER HOUR has entered. NORMAL IRON PIPE SIZES (INCHES) LENGTH CAUTION INPUT IN THOUSANDS BTU/HR IN PURGING SHOULD BE PERFORMED BY PERSONS EXPERIENCED FEET 1/2" 3/4" 1" 1 1/4" 1 1/2" 2" 2 1/2" 3" 4" IN THIS TYPE GAS SERVICE. TO AVOID RISK OF FIRE OR 10 175 360 680 1400 2100 3960 6300 11000 230000 EXPLOSION, PURGE DISCHARGE MUST NOT EN
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FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. BEFORE OPERATING: ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES. A. This appliance does not have a pilot. It is equipped with • If you cannot reach your gas supplier, call the fire department. an ignition device which automatically lights the burner. Do not try to light the burner by
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SETTING THE WATER HEATER TEMPERATURE AT 120°F (49°C) TEMPERATURE REGULATION (APPROX. " " MARK ON FACE OF THE TEMPERATURE ADJUSTING DIAL) WILL REDUCE THE RISK OF SCALDS. Some States or Provinces require settings at specific lower temperatures. Figure 6 shows the approximate water temperatures produced at various thermostat settings. Short repeated heating cycles caused by small hot water uses can cause temperatures at the point of use to exceed the thermostat setting by up to 20°F (11°C). I
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6. After it has been determined that each appliance connected to the 1. Provide complete combustion of gas. venting system properly vents when tested as outlined above, return 2. Cause rapid ignition and carryover of flame across entire burner. doors, windows, exhaust fans, fireplace dampers and any other gas 3. Give reasonably quiet operation during ignition, burning and extinction. burning appliance to their previous conditions of use. 4. Cause no excessive lifting of flames from burner ports.
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BLOWER MAINTENANCE PREVENTIVE MAINTENANCE For safety and satisfactory operation it is recommended that the blower be checked once a year by a competent service person. RECOMMENDED PROCEDURE FOR PERIODIC REMOVAL OF LIME DEPOSITS FROM TANK TYPE 1. MOTOR - The motor is factory oiled and sealed and requires no COMMERCIAL WATER HEATERS further maintenance. 2. WHEEL - Wheel must be clean of soot, ash or any other coating which inhibits either rotation or air flow. Remove all foreign material fr
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2. With the Flo-Jug upright: TANK CLEANOUT PROCEDURE • Take off cap, remove cover under opening and install 3/4" x 4" The following practices will ensure longer life and enable the unit to operate at its designed efficiency: pipe nipple. • Drill or punch a 3/16" vent hole in handle. A stainless steel screw 1. Once a month the heater should be flushed. Open the drain valve is included with the Flo-Jug kit. This screw is to be installed in and allow two gallons of water to drain from the
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cold water inlet line and allow water to flow through heater and out drain valve. Don’t forget to plug vent and cap opening in Flo-Jug. • When a water heater is first installed and filled, the bottom of the tank might condense water. The water accumulation, if excessive, 9. When flushing is completed: can drip into the floor shield. Also, during normal operation there may be occasions when large quantities of water are drawn, • Fill heater being certain to expel air from tank through a
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NOTE: Anode must remain installed (except for inspection) to WATER HEATING CYCLE avoid shortening tank life. See LIMITED WARRANTY. Replace (GAS AND ELECTRIC POWER ARE ON,“OFF/ON” SWITCH IS ON) as necessary. 1) CALLS FOR HEAT SERVICE AND REPAIR A) THERMOSTAT SENSES NEED FOR HEATING WATER The water heater requires no special care other than the normal B) CONTACTS CLOSE IN THERMOSTAT, POWER (115 VAC) maintenance as noted above. If you are having a problem with your FLOWS TO BLOWE
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TROUBLESHOOTING For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. POSSILBE MALFUNCTION SERVICE TO BE PERFORMED PROBLEM 1) Blower will not run. A) "ON/OFF" control switch turned off. Turn switch to the on position. B) Blower unplugged. Plug blower back into 115 vac. outlet. C) No power at outlet. Repair service to outlet. D) "ON/OFF" switch defective. Replace switch. E) Control harness defective
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TROUBLESHOOTING GUIDELINES TROUBLE SHOOTING 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. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL # LED STATUS PROBLEM SOLUTION B C D E F Inadequate or no earth ground 1. Ensure the wall outlet is properly grounded. 1 sensed by the Intelli-Vent™ control. 2. Ensure all ground connections/wires on the
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TROUBLESHOOTING GUIDELINES TROUBLE SHOOTING 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. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL # LED STATUS PROBLEMSOLUTION 1. Gas supply is turned off-pressure too low. Ensure supply and Ignition/flame failure. B C D E F 6 manifold gas pressures are within requirements in installation The water heater has rea
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TROUBLESHOOTING GUIDELINES TROUBLE SHOOTING 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. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL # LED STATUS PROBLEMSOLUTION B C D E F The self-diagnostic test determined resistance 1. Turn off power to the water heater. 15 of the black resistor wire on ignitor assembly 2. Unplug the ignitor assembly plug fr
