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Building Technologies Basic documentation LMV37.4... CC1P7546en
23 Operation of LMV37.4 via the AZL2 17.12.2018
23.1.2.3. List of phase displays
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
Ph35 Run the fan to ignition speed
Ph36 Traveling to the ignition position
Ph38 Preignition time
Ph39 Valve proving filling time
(test pressure switch-min when mounted between fuel valve V1 and fuel valve 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 Maximum 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 ignition + 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
Ph71 Run the fan to postpurge speed
Ph72 Traveling to the postpurge position
Ph74 Postpurge time (no extraneous light test)
Ph78 Postpurge time (abortion when load controller ON)
Ph79 Run the fan to standby speed
Ph80 Valve proving - test space evacuating
Ph81 Valve proving - test time atmospheric pressure
Ph82 Valve proving - test space filling
Ph83 Valve proving - test time gas pressure
Ph90 Gas shortage waiting time
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