Bradford-White Corp D4504S*F(BN Water Heater User Manual


 
Page 8
Ignition State Timing
Adjust Damper Position and Verify (Open Posi-
tion)
1
5 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-
m
um)
A
djust 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