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Building Technologies Division
Basic Documentation LME7...
CC1P7105en
Infrastructure & Cities Sector
25 Operation via internal LED
29.11.2011
25.2.2.2. List
of
phase
display
Note:
Display depends on program!
Phase number or
3-segment display
and AZL2... display
LED
Function
Standby
OFF
Off
Standby, waiting for heat request
P08
Off
Power ON/test phase (e.g. detector test)
Startup
P21
Yellow
Safety valve ON, air pressure switch test/POC test (timeout/locking
after 5 seconds), actuator opens in low-fire position/CLOSE position
P22
Yellow
Fan motor ON/air pressure switch test/settling time
P24
Yellow
Actuator travels to the prepurge position
P30
Yellow
Prepurging
P36
Yellow
Actuator closes until ignition load/low-fire is reached, and
parameter 259.02: Actuator opens to a position > ignition load
P38
Yellow flashing
Preignition time
P40
Yellow flashing
1st safety time/ignition transformer ON
P42
Green
Safety time (ignition transformer OFF), flame check
P44
Green
Interval: End of safety time and fuel valve 1 ON
Interval: End of safety time and release of load controller
Interval: End of safety time and fuel valve 2 ON
P50
Green
2nd safety time
P54
Green
P259.01: Actuator opens to a position > low-fire
P54
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
P10
Yellow
Shutdown, actuator travels to the CLOSED position (home run)
P72
Yellow
Actuator opens in high-fire position/operation shutdown
P74
Yellow
Postpurging
Valve proving
P80
Yellow
Test space is evacuated
P81
Yellow
Checking time fuel valve 1
P82
Yellow
Test space is filled
P83
Yellow
Checking time fuel valve 2