Bradford White ElectriFLEX HD CEHD 50 User Manual

Save this manual for future reference
M
anual 238-51791-00A REV 08/18
Effective: August 2018 ECO 7960
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
CEHD(50,80,120)(A)
Bradford White ElectriFLEX HD
™
(Heavy Duty)
Commercial Electric Water Heater
CEHD SERIES
Immersion Thermostat Models

Bradford White ElectriFLEX HD CEHD 50 Specifications

General

Type	Electric
Model	CEHD 50
Brand	Bradford White
Series	ElectriFLEX HD
Capacity	50 gallons
Heating Elements	Dual
Warranty	6 years
Phase	1
Diameter	22 inches
Energy Factor	0.95
Voltage	240V
Recovery Rate	21 GPH at 90°F Rise
Wattage	4500W

Summary

Troubleshooting

Service Procedure I: Heating Element Testing

Test for Open or Burned Out Element

Tests heating elements for electrical resistance to detect burnout.

Test for Grounded Element

Tests heating elements for short circuits to ground.

Service Procedure II: Line Voltage Testing

Single Phase Line Voltage Testing

Verifies correct line voltage for single-phase water heaters.

Three Phase Line Voltage Testing

Verifies correct line voltage for three-phase water heaters.

Service Procedure III: Fuse Testing

Service Procedure IV: Hi Limit Switch Testing

Hi Limit Switch Continuity Test

Service Procedure V: Thermostat Testing

Service Procedure VI: Contactor Testing

Service Procedure VII: Thermostat Removal and Replacement

Service Procedure VIII: Hi Limit Switch Removal and Replacement

Service Procedure IX: Heating Element Removal and Replacement

Service Procedure X: Anode Inspection and Replacement