|
Flame detector |
Type reference |
Approved in: |
tw/s |
t1/s |
TSA/s |
t3n/s |
t3/s |
t4/s |
t9/s |
t10/s |
t11/s |
t12/s |
t20/s |
|
|
|
|
ca. |
min. |
max. |
ca. |
ca. |
ca. |
6) max. |
min. |
3) max. |
3) max. |
ca. |
|
Burner controls
for 2-stage burners without control of actuator |
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|
Ionization probe
(ION) or UV detector QRA... with AGQ1...A27 |
LGB21.130A27 4)7) |
CH, EU, S, SF |
8 |
7 |
3 |
2.4 |
2 |
8 |
--- |
5 |
--- |
--- |
6 |
|
LGB21.230A27 5) |
CH, EU, S, SF |
8 |
15 |
3 |
2.4 |
2 |
8 |
--- |
5 |
--- |
--- |
38 |
|
|
LGB21.330A27 5) |
CH, EU, H, S, SF |
8 |
30 |
3 |
2.4 |
2 |
8 |
--- |
5 |
--- |
--- |
23 |
|
|
LGB21.350A27 5)7) |
CH, EU, H, S, SF |
8 |
30 |
5 |
4 |
2 |
10 |
--- |
5 |
--- |
--- |
21 |
|
|
LGB21.550A27 5) |
AUS, CH, EU |
8 |
50 |
5 |
4 |
2 |
10 |
--- |
5 |
--- |
--- |
2 |
|
|
tw |
Waiting time |
|
|
|
t1 |
Prepurge time |
|
|
|
TSA |
Ignition safety time |
|
|
|
t3 |
Preignition time |
4) |
Also suited for flash steam generators |
|
t3n |
Postignition time |
5) |
Also suited for stationary direct-fired air heaters |
|
t4 |
Interval fuel valve (BV1) –
fuel valve (BV2) or |
|
|
|
|
fuel valve BV1) – load
controller (LR) |
7) |
Also available for AC 100...110 V; in that case, the last 2 |
|
t9 |
2nd safety time |
|
|
|
t10 |
Specified time for air pressure signal |
|
|
|
t11 |
Programmed opening time for actuator (SA) |
|
|
|
t12 |
Programmed closing time for actuator (SA) |
|
|
|
t20 |
Interval up to self-shutdown of programming mechanism |
|
|
