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Type summary
Switching times are given in the order of the startup sequence, valid for 50 Hz mains frequency. At 60 Hz frequency, switching times
are about 17 % shorter.
Flame supervision with QRB1... or QRC1... for blue-
flame burners
Flame supervision with QRB1... or RAR...
Choice of air pressure supervision
Choice of semiautomatic startup
Same as LAL2.25 with the following exception:
No lockout, but prevention of startup in the case of
extraneous light
t1
TSA
t3
t3´
t3n
t4
t5
t6
t7
t8
t10
t11
t12
t13
t16
t20
Ordering
Building Technologies
HVAC Products
Flash steam genera-
From the start ¹)
Optional
Optional
¹)
With air pressure supervision: From the time the air pressure signal is received
²) Does not apply to LAL1...
3)
Available as AC 100...110 V versions; add type suffix «– 110 V» when ordering
Oil burner control, without plug-in base
Plug-in base is not included in standard delivery, must be ordered as a separate item!
Accessories for medium-capacity burner controls
Plug-in base AGM410490500 with Pg11 thread for cable entry glands
-
Plug-in base AGM13.1 with M16 thread for cable entry glands
-
Flame detectors
Photoresistive detectors QRB1...
-
Blue-flame detectors QRC1...
-
Selenium photocell detectors RAR...
-
Test unit KF8806 for burner controls
For the simulation of faults
-
For measuring the pull-in and drop-out values of the flame relay in the case of fla-
-
me supervision with QRB... photoresistive detectors
Universal use
tors
LAL1.25
LAL4.25A27
3)
LAL2.14
LAL2.25
Special applications
such as incinerator
plants
LAL3.25
10 s
22.5 s
4 s
2 s
10 s
8 s
4 s
10 s
2 s
30 s
6 s
10 s ²)
10 s
4 s
32 s
Medium- or heavy-oil
burners
3)
3)
LAL2.65
3)
66.5 s
5 s
2.5 s
2.5 s
15 s
7.5 s
7.5 s
7.5 s
7,5 s
15 s
2.5 s
2.5 s
47 s
15 s
5 s
35 s
12.5 s
refer to «Type summary»
refer to Data Sheet N7230
refer to Data Sheet N7714
refer to Data Sheet N7716
refer to Data Sheet N7713
refer to Manual Document B7987
3)
5 s
15 s
15 s
91 s
10 s
15 s
5 s
5/20
CC1N7153en
20.04.2005
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