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Bradford-White Corp
M-2-50T6DS service manual
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Manual 238-47104-00A
SERVICE MANUAL
Troubleshooting Guide and Instructions for Service
(To be performed ONLY by qualified service providers)
Models Covered by This Manual:
RESIDENTIAL ELECTRIC AND LIGHT DUTY COMMERCIAL ELECTRIC WATER HEATERS
Table of Contents
Introduction
Tools
120 VOLT
Common Service Wire Configurations
240 VOLT
240 3Ph
208 3Ph
Wattage Limitations at Various Voltages
Page 4
GENERAL INFORMATION
Surface Mounted Thermostats
Direct Immersion Screw-in Type Heating Element
Page 5
Sequence of Operation- Single Element Operation.
Page 6
Non-Simultaneous and Simultaneous Operation
Sequence of Operation- Double Element, Non-Simultaneous Operation, Single Phase.
Page 7
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Sequence of Operation- Double Element, Non-Simultaneous Operation, 3 Phase.
Page 9
Sequence of Operation- Double Element, Simultaneous Operation, 3 Phase.
Page 10
Sequence of Operation- Double Element, Non-Simultaneous Operation, Single Phase,Off Peak.
Page 11
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SYMPTOM PROBABLE CAUS E CORRECTIVE ACTION
No Hot Water
Not Enough Hot Water Slow Hot Water Recovery
Over Heated Water or Continues Operation
Quick Step Plan to Hot Water
High voltage exposure. Use caution when making voltage checks to avoid personal injury.
SERVICE PROCEDURE RE-I Line Voltage & High Limit (ECO) Testing
High voltage exposure. Use caution when making voltage checks to avoid personal injury.
Page 14
SERVICE PROCEDURE RE-II Heating Element Testing
Page 15
personal injury during this procedu re.
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SERVICE PROCEDURE RE-IV Light Duty Commercial Thermostat Testing
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SERVICE PROCEDURE RE-IV Light Duty Commercial Thermostat Testing