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Undertaking modernization
4
Step 1: Detector modernization
4.1.2
Configuration of detector type
The point detectors FDOOT241-A9-Ex and OOH740-A9-Ex can be set to the
existing detector type using parameter set resistors.
Procedure:
Detector bases FDB20x or FDB22x are installed.
1. Install a point detector FDOOT241-A9-Ex or OOH740-A9-Ex directly in the new
detector base as a replacement for a point detector DO1101A-Ex.
2. If the point detector FDOOT241-A9-Ex or OOH740-A9-Ex is intended to
replace a heat detector: Also install a standard resistor to set another
parameter set.
- Determine the resistance required using the table below.
- Install the resistor as shown in the diagram.
The point detector FDOOT241-A9-Ex or OOH740-A9-Ex is installed and
configured.
Installing the parameter set resistor R in the detector base
+
-
+
-
+
-
R
Values for the parameter set resistor R (≥ 200
mW)
R
Parameter set
∞
Sensitive (when replacing a point detector DO1101A-Ex)
18
kΩ
A1R (when replacing a point detector DT1101A-Ex)
10
kΩ
BR (when replacing a point detector DT1102A-Ex)
17
Building Technologies
A6V10443621_a_en_--
Fire Safety
2014-09-01