Bentone BG 400-2 Installation And Maintenance Instruction page 35

8.9.2 UV –detector (QRC)
The UV sensor should not be exposed to temperatures higher than 60 °C. The
current passing through the UV sensor when it is lighted must be at least 70
µA. The current can be measured using a rotary coil instrument. A check is
necessary only if a malfunction is suspected.
8.9.3 Flame monitoring UV-detector (QRC)
2
1
Bk
bl sw
Bu

µA DC
QRC1...
Technical data
Idle voltage at ION-terminals
Short-circuit current
Max. current for flame detection
Required current to ensure detection
Possible detection current
Operational indicator lamp flashes green
Operational indicator lamp shines green
12 LME23...
br
Bn
AC 115-230V
Max. AC 100-300 mA
Max. DC 5.5 µA
Min. DC 40 µA
Max. DC 60 µA
<45 µA DC
>45 µA DC
35
Bentone