Bradford White LE110U3 Installation & Operating Instruction Manual

Light duty commercial electric water heater

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A Spanish language version of these instructions is available by

contacting the company listed on the rating plate.

La versión espãnola de estas instrucciones se puede obtener al

escribirle a la fábrica cuyo nombre aparece en la placa de

especificaciones.

INSTALLATION & OPERATING

THE WARRANTY ON THIS WATER HEATER IS IN EFFECT ONLY WHEN

THE WATER HEATER IS INSTALLED AND OPERATED IN

ACCORDANCE WITH LOCAL CODES AND THESE INSTRUCTIONS. THE

MANUFACTURER OF THIS HEATER WILL NOT BE LIABLE FOR ANY

DAMAGE RESULTING FROM FAILURE TO COMPLY WITH THESE

INSTRUCTIONS. READ THESE INSTRUCTIONS THOROUGHLY

BEFORE STARTING.

For safety and convenience, it is recommended that this water heater

be installed and serviced by a plumbing professional.

LIGHT DUTY COMMERCIAL

ELECTRIC WATER HEATER

INSTRUCTION MANUAL

238-40759-00X REV 6/16

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Summary of Contents for Bradford White LE110U3

Page 1 LIGHT DUTY COMMERCIAL ELECTRIC WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. La versión espãnola de estas instrucciones se puede obtener al escribirle a la fábrica cuyo nombre aparece en la placa de especificaciones.
Page 2: Table Of Contents
TABLE OF CONTENTS General Information ............3 Installation ..............4 Locating the Water Heater ........4 Water Connections ............ 5 Electrical Connections ..........11 General Operation ............16 Thermostat Adjustment ..........17 Maintenance ..............18 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual will explain in detail the installation and maintenance of your...
Page 3: General Information
GENERAL INFORMATION This electric water heater’s design is certified by INTERTEK (ETL) and listed in accordance with UL 174. CETL listed in accordance with Canadian National Standard C22.2, No. 110-M90. This water heater must be installed in accordance with local codes. In the absence of local codes, install this water heater in accordance with the N.E.C.
Page 4: Installation
General Information continued- IMPORTANT Before proceeding, please inspect the water heater and it’s components for possible damage. DO NOT install any damaged components. If damage is evident, please contact the supplier where the water heater was purchased or the manufacturer listed on the rating plate for replacement parts. WARNING This product contains one or more chemicals known to the State of California to cause cancer, birth defects, or reproductive harm.
Page 5: Water Connections
Locating the Water Heater continued- These materials are corrosive at very low concentration levels with little or no odor to reveal their presence. NOTE: DAMAGE TO THE WATER HEATER CAUSED BY EXPOSURE TO CORROSIVE VAPORS IS NOT COVERED BY THE WARRANTY. DO NOT OPERATE THE WATER HEATER IF EXPOSURE HAS OR WILL OCCUR.
Page 6 Water Connections continued- CAUTION If sweat fittings are to be used, DO NOT apply heat to the nipples on top of the water heater. Sweat the tubing to the adapter before fitting the adapter to the water connections. It is imperative that heat is not applied to the nipples containing a plastic liner.
Page 7 Water Connections continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials, as meeting the Requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22, and the Standard...
Page 8 Water Connections continued- CAUTION INCREASING THE THERMOSTAT SETTING ABOVE THE PRESET TEMPERATURE MAY CAUSE SEVERE BURNS AND CONSUME EXCESSIVE ENERGY. HOTTER WATER INCREASES THE RISK OF SCALD INJURY. This water heater can deliver scalding temperature water at any faucet in the system.
Page 9 Water Connections continued- Upright Models (See Figure 1A & 1B) The hot and cold water connections are identified on the top of the water heater (See figure 1A). For bottom inlet models (-503 models), the cold water inlet is located on the side of the drain valve (see figure 1B). Connect the hot and cold water lines to the installed nipples using unions.
Page 10 Utility Models (See Figure 2) Utility models are supplied with inlet and outlet nipples located in a plastic bag attached to the side of the water heater. The hot and cold water connections are identified on the side of the water heater. Apply appropriate amount of thread sealant to the provided nipples and install them into the side of the tank.
Page 11: Electrical Connections
Electrical Connections Before any electrical connections are made, be sure that the water heater is full of water and that the manual shut-off valve in the cold water supply line is open. Check the rating plate and wiring diagram before proceeding. This electric water heater was built and wired in accordance with the INTERTEK testing approvals requirements.
Page 12 Electrical Connections continued- Figure 3A Figure 3B...
Page 13 Electrical Connections continued- Figure 4 Figure 4A...
Page 14 Electrical Connections continued- The following tables show the recommended fuse size for the maximum wattage supplied to the water heater. The maximum wattage and rate voltage are shown on the water heater data plate. BRANCH CIRCUIT SIZING GUIDE Watt Recommended over Copper wire size –...
Page 15 Electrical Connections continued- SINGLE PHASE FULL LOAD CURRENT DRAW (SIMULTANEOUS OPERATION) Element 120V 208V 240V 277V 380V 415V 480V Wattage 1500/1500 25.0 14.4 12.6 10.8 2000/2000 33.4 19.2 16.6 14.4 10.6 2500/2500 41.6 20.8 18.0 13.2 12.0 10.4 3000/3000 28.8 25.0 21.6 15.8...
Page 16: General Operation
GENERAL OPERATION Before closing the switch to allow electric current to flow to the water heater, make certain that the water heater is full of water and that the cold water inlet valve is open. Complete failure of the heating element(s) will result if they are not totally immersed in water at all times.
Page 17: Thermostat Adjustment
Thermostat Adjustment CAUTION Before adjusting thermostat(s), turn off power supply to the water heater. The temperature of the water can be changed by adjusting the thermostat(s). Before any work is done on the water heater, disconnect all power to the water heater by opening the switch at the main electrical circuit breaker or fuse box.
Page 18: Maintenance
MAINTENANCE IMPORTANT The water heater should be inspected at a minimum of annually by a qualified service technician for damaged components. DO NOT operate this water heater if any part is found damaged. Shut off the electric power whenever the water supply to the water heater is off.
Page 19 Maintenance continued- WARNING When lifting lever of temperature-pressure relief valve, hot water will be released under pressure. Be certain that any released water does not result in bodily injury or property damage. 4. If the combination temperature and pressure relief valve on the appliance discharges periodically, this may be due to thermal expansion in a closed water supply system.
Page 20 Maintenance continued- Contact your local plumbing supplier or plumbing professional for replacement parts or contact the company at the address displayed on the rating plate of the water heater. For faster and better service, please provide the part name, model, and serial number(s) of the water heater(s) when ordering parts.

This manual is also suitable for:

Le120u3