60
Bentone
Phase
Function
Ph00
Lockout phase
Ph01
Safety phase
Ph10
Home run
Ph12
Standby (stationary)
Ph22
Fan ramp up time (fan motor = ON, safety valve = ON)
Ph24
Traveling to the prepurge position
Ph30
Prepurge time
Ph36
Traveling to the ignition position
Ph38
Preignition time
Ph39
Valve proving filling time
(test of pressure switch-min when fitted between fuel
valves V1 and V2)
Ph40
1st safety time (ignition transformer ON)
Ph42
1st safety time (ignition transformer OFF)
Ph44
Interval 1
Ph50
2nd safety time
Ph52
Interval 2
Ph60
Operation 1 (stationary)
Ph62
Max. time low-fire (operation 2, preparing for shutdown,
traveling to low-fire)
Ph64
Switching back to pilot: Modulation to ignition load
Ph65
Switching back to pilot: Interval 2 waiting time
Ph66
Switching back to pilot: Reactivation of ig pilot
Ph67
Switching back to pilot: Shutdown of main valves
Ph68
Switching back to pilot: Pilot mode waiting phase
Ph69
Switching back to pilot: Pilot mode waiting phase for
burner startup
Ph70
Afterburn time
Ph72
Traveling to the postpurge position
Ph74
Postpurge time (no extraneous light test)
Ph78
Postpurge time (t3) (abortion when load controller ON)
Ph80
Valve proving test evacuation time
Ph81
Valve proving test time atmospheric pressure, atmospheric
test
Ph82
Valve proving filling test, filling
Ph83
Valve proving time gas pressure, pressure test
Ph90
Gas shortage waiting time
9.2 List of phase displays
The display shows which phase the burner is in. The table below lists
the codes and explains what these mean for the various phases. Not
all the phases described in the table are shown or are suitable for the
burners described in this manual.
Summary of Contents for STG 146i/2
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