Siemens LME71 Series

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Smart Infrastructure Basic Documentation LME7... CC1P7105en
13 Operation via AZL2 24.07.2020
List of phase display (display depending on program)

Note
Display depending on the PME7, refer to User Documentation A7105.x.
Phase number
AZL2 display
Function
Standby
OFF Standby, waiting for heat request
Ph08 Power ON / test phase (e.g. detector test)
Startup
Ph21 Safety valve ON, air pressure switch test / POC test (timeout / locking after 5 seconds),
actuator opens in low-fire position / CLOSE position
Ph22 Fan motor ON and air pressure switch test / settling time
Ph24
A
ctuator travels to the prepurge position
Ph30 Prepurging
Ph36
A
ctuator closes until ignition load / low-fire is reached, and
parameter 259.02: Actuator opens to a position > ignition load
Ph38 Preignition
Ph40 1st safety time / ignition transformer ON
Ph42 Safety time (ignition transformer OFF), flame check
Ph44 Interval: End of safety time and fuel valve V1 ON
Interval: End of safety time and load controller release
Interval: End of safety time and fuel valve V2 ON
Ph50 2nd safety time
Ph54 Parameter 259.01: Actuator opens to a position > low-fire
Ph54 Parameter 260: Actuator closes until low-fire position is reached
oP:P1 Interval to release of preset load controller (analog or 3-position step input)
Operation
oP:xx Operation, modulating operation
oP:P1 Operation first stage
oP:P2 Operation second stage
Shutdown
Ph10
A
ctuator travels to the CLOSED position (home run)
Ph72
A
ctuator opens until high-fire position / operation shutdown is reached
Ph74 Postpurging
Valve proving
Ph80 Test space evacuating
Ph81 Test time atmospheric pressure
Ph82 Test space filling
Ph83 Test time gas pressure
Waiting phases (start prevention)
Ph01 Undervoltage / overvoltage
Ph02 Safety shutdown, followed by a non-alterable lockout with interlocking
 e.g. safety loop open
Ph04 Extraneous light on burner startup (timeout / locking after 30 seconds)
Ph90 Pressure switch-min open
 safety shutdown / non-alterable lockout with interlocking
Non-alterable lockout
LOC Lockout phase