Bradford White EF100T150(E)*(N Service Manual page 22

4. Setpoint (Display/Change)
5. °F/°C (Display/Change)
6. Differential (Display only - shows the differential of the thermostat)
22
Accessing Service Mode on Control Display
For models with Honeywell Integrated Control
setpoint
°F
idle
Status Operational
SELECT SET
setpoint
°F °F/C°
idle
Operational
Status
SELECT SET
Differential
°F
idle
Status Operational
SELECT SET
22