Keypad selectable parameters, non-recycle operation, modulation, open/closed damper proving, 4 sec FFRT, Unpowered inputs provide indefinite hold, pilot hold, revert to pilot from auto
Keypad selectable parameters, non-recycle operation, modulation, open/closed damper proving, 4 sec FFRT. Powered inputs provide indefinite hold, pilot hold, revert to pilot from auto
Keypad selectable parameters, non-recycle operation, modulation, open/closed damper proving, indefinite pilot hold, revert to pilot from auto, 1 second FFRT
Keypad selectable parameters, includes 0 sec purge time, fixed 0 sec low fire start time, non-recycle operation, fixed TFI times, pilot proving, modulation, open/closed damper proving, 1 second FFRT
