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Table of Contents
Residential Electric and Light Duty
Commercial Electric Water Heaters
Manual 238-51544-00C REV 9/21
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
Residential:
RE1, RE2 & 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 RE230L6-1NCW
Summarization of Contents
General Information
Commonly Used Formulas for Water Heater Calculations
Essential formulas for calculating Amps, Watts, and Ohms for electric water heaters.
Common Service Wire Configurations Explained
Visual guides for 120V, 240V, and 3-Phase electrical connections.
Wattage Limitations by Voltage
Tables specifying maximum wattage for different voltage ratings.
Surface Mounted Thermostat Description
Details on the function and mounting of surface-mounted thermostats.
Direct Immersion Screw-In Heating Element
Overview of the screw-in type heating element and its features.
Sequence of Operation
Single Element Operation Sequence
Step-by-step explanation of single heating element function.
Double Element Non-Simultaneous Operation
How upper and lower elements heat sequentially.
Double Element Simultaneous Operation
How both heating elements operate at the same time.
Double Element Off-Peak Operation Mode
Operation of dual-element heaters during off-peak utility hours.
Troubleshooting
Common Heating Element Failures
Causes like dry firing, grounding, and sediment build-up.
Quick Troubleshooting for No Hot Water
Immediate diagnostic steps for lack of hot water.
Service Procedures
Line Voltage and High Limit (ECO) Testing
Testing electrical supply and ECO safety cutoff.
Heating Element Testing Procedures
How to test heating elements for faults like open circuits or shorts.
Residential Thermostat Testing Guide
Steps to verify the proper function of thermostats.
Heating Element Removal and Replacement
Steps for removing and replacing water heater elements.
Dip Tube and Anode Inspection and Replacement
Procedures for checking and replacing dip tubes and anodes.
Generic Parts List
Generic Parts List and Identification
Illustrated list of common water heater components.
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