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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 23 Operation via AZL2… 29.11.2011
List of phase display (display depending on program)
Note:
Display depends on program!
Phase number or
3-segment display
and AZL2... display
LED Function
Standby
OFF Off Standby, waiting for heat request
Ph08 Off Power ON/test phase (e.g. detector test)
Startup
Ph21 Yellow Safety valve ON, air pressure switch test/POC test (timeout/locking
after 5 seconds), actuator opens in low-fire position/CLOSE position
Ph22 Yellow Fan motor ON or air pressure switch test/settling time
Ph24 Yellow Actuator travels to the prepurge position
Ph30 Yellow Prepurging
Ph36 Yellow Actuator closes until ignition load/low-fire is reached, and
parameter 259.02: Actuator opens to a position > ignition load
Ph38 Yellow flashing Preignition
Ph40 Yellow flashing 1st safety time/ignition transformer ON
Ph42 Green Safety time (ignition transformer OFF), flame check
Ph44 Green Interval: End of safety time and fuel valve 1 ON
Interval: End of safety time and load controller release
Interval: End of safety tiem and fuel valve 2 ON
Ph50 Green 2nd safety time
Ph54 Green P259.01: Actuator opens to a position > low-fire
Ph54 Green P260: Actuator closes until low-fire position is reached
oP1 Green Interval to release of preset load controller (analog or 3-position step
input)
Operation
oP Green Operation, modulating operation
oP1 Green Operation first stage
oP2 Green Operation second stage
Shutdown
Ph10 Yellow Shutdown, actuator travels to the CLOSED position (home run)
Ph72 Yellow Actuator opens until high-fire position/operation shutdown is reached
Ph74 Yellow Postpurging
Valve proving
Ph80 Yellow Test space is evacuated
Ph81 Yellow Checking time fuel valve 1
Ph82 Yellow Test space is filled
Ph83 Yellow Checking time fuel valve 2
Waiting phases (start prevention)
Ph01 Red/yellow flashing Undervoltage
Ph02 Yellow Safety loop open
Ph04 Red/green flashing Extraneous light on burner startup (timeout/locking after 30 seconds)
Ph90 Yellow Pressure switch-min open safety shutdown
Lockout
LOC Red Lockout phase
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