9
UPV Series
9
Control Timings
Ignition State
Timing
Pre-purge
15 Seconds
Trial for Ignition
90 Seconds
Flame Stabilization Period
3 Seconds
Inter-purge
15 Seconds
Flame Failure Response Time
1.5 Seconds (2 second maximum; 1 second
minimum)
Post-purge
15 Seconds
PS Fault Delay (failed open/close)
Retry after 2 minutes
Soft Lockout
Retry after 5 minutes
ECO Limit Lockout
Indefinite (see page 26)
Verify Resistive Delay
Retry after 2 minutes (repeats 5 times)
Flammable Vapor Sensor/Simulated Resistive Load
Lockout
Indefinite (cycle power to restart)
Hardware Status Lockout
Indefinite (self clears if fault clears for at least 15
seconds)
