4/16
CC1N7421E
December 04, 1998
Landis & Staefa Division
The type references contained in the following table refer to LMG2... with no plug-in base and with no flame
detector. For ordering information on bases and other accessories, refer to «Ordering».
Type of flame
detector
Type reference
LMG2...
tw
s
max.
t1
s
min.
TSA
s
max.
t3n
s
ca.
t3
s
ca.
t4
s
ca.
t10
s
min.
t11
s ¹)
max.
t12
s ¹)
max.
Behaviour in the
event of flame failure
during operation
Burner controls for pre-purging with low flame air volume, without actuator control
Detector electrode (FE)
LMG21.130A27
2)
8
7
3
2.6
2
8
5
-
-
Lockout
or
LMG21.230A27
3)
8
20
3
2.6
2
8
5
-
-
Lockout
UV detector QRA...
LMG21.330A27
3)
8
30
3
2.6
2
8
5
-
-
Lockout
with
LMG21.350A27
3)
8
30
5
4.6
2
10
5
-
-
Lockout
AGQ2...A27
LMG21.550A27
3)
8
50
5
4.6
2
10
5
-
-
Lockout
Burner controls for pre-purging with nominal air volume, with actuator control
Detector electrode (FE)
LMG22.130A27
2)
8
7
3
2.6
3
8
3
12
12
Lockout
or
LMG22.230A27
3)
8
20
3
2.6
3
8
3
16.5
16.5
Lockout
UV detector QRA...
LMG22.233A27
8
20
3
2.6
3
8
3
30
30
Lockout
with
LMG22.330A27
3)
8
30
3
2.6
3
8
3
12
11
Lockout
AGQ2...A27
LMG22.330A270
3)4)
8
30
3
2.6
3
8
3
12
11
Lockout
Burner controls for pre-purging with low flame air volume, without actuator control
Detector electrode (FE)
LMG25.230A27
8
20
3
2.6
2
8
5
-
-
Max. 3 repetitions
or
LMG25.330A27
8
30
3
2.6
2
8
5
-
-
Max. 3 repetitions
UV detector QRA...
LMG25.350A27
8
30
5
4.6
2
10
5
-
-
Max. 3 repetitions
with AGQ2...A27
tw
Waiting time
t4
Interval «TSA
Ende
-BV2» or «BV1-LR»
t1
Checked pre-purge time
t10
Specified time for air pressure signal
TSA
Ignition safety time
t11
Programmed opening time for actuator «SA»
t3
Pre-ignition time
t12
Programmed closing time for actuator «SA»
t3n
Ignition time during «TSA»
1)
Max. running time available for actuators «SA»
3)
Also suited for use with direct fired air heaters
2)
Also suited for use with flash-steam generators
4)
Without integral fuse; use only in connection with bases
AGK86... or with an external microfuse of max. 6.3 A (slow)
Type summary
Legend
