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Flame supervision
Flame supervision
with QRC...
Measuring circuit for
detector current
measurement
Only with LOA36...
Indication of flame
strength
Building Technologies Division
44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวี ว ั ฒ นา กทม. 10170.
website:
Line ID: @add11 Wechat ID: add0883001122
Measuring circuits and length of the detector cables in accordance with Data Sheet
N7716.
Type of burner control
LOA24.171B17
LOA24.171B27
LOA24.173A27
LOA25.173C27 ¹ )
LOA26.171B27
LOA28.173A27 ¹ )
LOA36.171A27
¹ ) These types of LOA... must not be used in connection with QRC blue-flame detectors...
Data given in the above table only apply under the following conditions:
- Mains voltage depending on version AC 110 V or AC 220...240 V
- Ambient temperature 23 ° C
QRC...
11
12
LOA...
1
7118v02/0102
bl
sw +
br
µA DC
QRC1...
The QRC1 has been designed specifically for blue -burning flames. Incidence of light is
from the front and side. The clamp is secured with a soft plastic plug. 3-core connection
(preamplifier integrated in the detector casing). For the different types of flame
detectors, engineering notes and technical data, refer to Data Sheet N7716.
Detector current LED on
https://www.add-furnace.com/
QRC... (typically)
Detector current
Permissible detector
required during
current during the
operation
prepurge time (dark
current)
(with flame)
Min. 70 µA
Max. 5,5 µA
Min. 70 µA
Max. 5,5 µA
Min. 45 µA
Max. 5,5 µA
---
Min. 70 µA
Max. 5,5 µA
---
Min. 70 µA
Max. 5,5 µA
Legend
µA DC
DC microammeter with an internal resistance of
Ri = max. 5 k
bl
Blue
sw
Black
br
Brown
Min. 40 µA ± 15 %
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Possible detector
current in operation
(with flame)
Max. 90 µA
Max. 110 µA
Max. 45 µA
---
---
Max. 110 µA
---
---
Max. 110 µA
11/16
CC1N7118en
19.05.2016
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