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Commercial Electric Water Heaters
Manual 238-51544-00A REV 08/18
Residential & Light Duty
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
Residential:
RE1 & RE3 Upright Models.
RE1 & RE2 Lowboy Models.
RE1 Utility Models.
RE1 Wall Hung Models.
Light Duty:
LE Upright Models.
LE Utility Models.
LE Lowboy.
LE Wall Hung.
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Table of Contents
Related Manuals for Bradford White ElectriFLEX LD LE110U3-1NAL
Summarization of Contents
Introduction
Tools Required for Service
Lists essential tools for water heater service and repair.
General Information
Commonly Used Formulas
Provides essential electrical and heating formulas for calculations.
Common Service Wire Configurations
Details typical wiring setups for 120V, 240V, and 3-phase systems.
Wattage Limitations at Various Voltages
Lists maximum wattage for different series and voltages.
Surface Mounted Thermostats
Explains the function and mounting of surface-mounted thermostats.
Direct Immersion Screw-in Heating Element
Illustrates the design and components of screw-in heating elements.
Sequence of Operation
Single Element Operation
Describes the heating cycle for single-element water heaters.
Double Element Non-Simultaneous Operation
Explains how double elements operate one after another.
Double Element Simultaneous Operation
Details how double elements operate at the same time.
Double Element Non-Simultaneous 3 Phase
Covers the operation sequence for 3-phase non-simultaneous elements.
Double Element Simultaneous 3 Phase
Covers the operation sequence for 3-phase simultaneous elements.
Off Peak Operation Sequence
Explains water heater operation during off-peak electricity periods.
Troubleshooting
Quick Step Plan to Hot Water
Provides a rapid diagnostic guide for common hot water issues.
Service Procedures
Line Voltage & High Limit (ECO) Testing
Details testing procedures for voltage supply and the ECO.
Heating Element Testing
Outlines methods for testing heating elements.
Residential Thermostat Testing
Provides steps to test thermostats in residential models.
Light Duty Commercial Thermostat Testing
Details testing procedures for thermostats in light-duty commercial models.
Thermostat Removal and Replacement
Guides on safely removing and installing thermostats.
Heating Element Removal and Replacement
Instructions for removing and replacing heating elements.
Dip Tube and Anode Inspection and Replacement
Covers inspection and replacement of dip tubes and anode rods.
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