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Technical data (cont´d)
Flame supervision with
QRB... and QRC...
Green signal lamp
(LED) for indication of
operating state
Measurement circuit for
detector current
4/16
Building Technologies Division
Required detector current
(with flame)
QRB... ¹)
Min. 45 µA
QRC... ¹)
Min. 70 µA
¹)
The values given in the table above only apply under the following conditions:
- Mains voltage depending on execution AC 230 V
- Ambient temperature 23 °C
Detector current in operation:
- Flame signal instable
-
Green signal lamp (LED) flashing
QRB... ¹)
<45 µA
QRC... ¹)
<45 µA
¹)
The values given in the table above only apply under the following conditions:
- Mains voltage depending on execution AC 230 V
- Ambient temperature 23 °C
QRB...
12
LMO...
11
7138v01/0602
bl
sw
+
µA DC
QRB...
As an alternative to detector current measurement, the OCI400 interface with ACS410
PC software can be used. In that case, connection of the DC microammeter is not
required.
Perm. detector current
(without flame)
Max. 5.5 µA
Max. 5.5 µA
Detector current in operation:
- Flame signal stable
-
Green signal lamp (LED) steady on
QRC...
12
LMO...
11
1
7138v02/0602
br
bl
sw
+
µA DC
QRC1...
Possible detector current
with flame (typically)
Max. 100 µA
Max. 100 µA
>45 µA
>45 µA
Legend
µA DC
DC microammeter
with an internal
resistance of
Ri = max. 5 k
bl
Blue
sw
Black
br
Brown
CC1N7138en
18.05.2016
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