Specifications, Wiring diagram control timings – Bradford White D-4-504S6FSX User Manual
Page 8

Page 8
Ignition State
Timing
Adjust Damper Position and Verify (Open Posi-
tion)
15 seconds
Trial for Ignition
90 seconds
Flame Stabilization Period
3 seconds
Re-adjust Damper Position and Verify
15 seconds
Flame Failure Response Time
1.5 seconds (2 second maximum; 1 second mini-
mum)
Adjust Damper Position and Verify (Closed Po-
sition)
15 seconds
Damper Blade Position Fault (failed open/close)
Retry after 2 minutes
Soft Lockout
Retry after 5 minutes
ECO Limit Lockout
Indefinite (See page 11 to reset)
Verify Resistive Delay
Retry after 2 minutes (repeats 5 times)
Simulated Resistive Load Lockout
Indefinite (cycle power to reset)
Hardware Error Lockout
Indefinite (self clears if fault clears for at least 15
seconds)
Specifications
Wiring Diagram
Control Timings
8