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Mounting / Installation
Detector heating unit FDBH291
5
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Building Technologies
A6V10209291_h_en_--
Fire Safety
2016-03-03
5.11.2 Connection of the detector heating unit
Connect the cables for the monitored supply from the control panel and the
detector heating unit to the supplied micro terminals DBZ1190-AA.
The cables can be placed in the same cable harness as the detector line or
separately.
Several detector heating units can be connected in parallel.
Detector heating units require a separate supply.
NOTICE
Risk of icing
Malfunction
To ensure smooth operation, the detector must be checked regularly for icing.
Figure 21: Connection diagram for detector heating unit FDBH291
1 Detector base
4 Control panel
2 Micro terminals
5 Control panel supply (monitored)
3 Detector heating unit
+
-
+
-
+
-
+
-
DBZ1190-AA
-
+
LINE
FDBH291
+
-
+
-
+
-
-
+
FDBH291
-
+
DBZ1190-AA
FDB221/FDB221-AA
FDB222
FDB221/FDB221-AA
FDB222
1
2
1
2
3
3
4
5