Service Manual

8
Specifications
UPV75 Series
8
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)