Bradford-White Corp SDW2TW50T Solar Thermal, Troubleshooting Chart, Service, Probable Cause

Models: SDW2504T SDW275S SDW265T SDW2TW50T SDW2TW65T SDW2TW75T

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Solar Thermal

EcoStor2™ Solar

Solar Thermal

Troubleshooting Chart

This troubleshooting chart serves as a water heater supplement to troubleshoot specifically the solar features of the water heater. Please refer to page 3 to determine which base model service manual is appropriate for the non-solar troubleshooting chart for the water heater.

 

 

 

 

 

SERVICE

SYMPTOM

PROBABLE CAUSE

CORRECTIVE ACTION

PROCEDURE

 

1.

Gas control

1.

Verify accurate

 

 

 

temperature is sensed.

 

 

 

temperature sensor

2.

 

 

 

Review calculations to

 

 

 

out of spec.

 

 

2.

Improperly sized

 

determine appropriate

 

Not enough

 

solar collector(s).

3.

collectror array.

1. See service

hot water

3.

Gas backup not

Review service manual

procedure ST-II.

 

 

functioning.

4.

for base model.

 

 

4.

Solar thermal

Review solar thermal

 

 

 

system not

 

system for

 

 

 

functioning.

 

functionality.

 

10

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Bradford-White Corp SDW2TW50T Solar Thermal, Troubleshooting Chart, Service, Probable Cause, Corrective Action, Symptom