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WIRING
The detector circuits requires a positive and negative supply and these are wired to terminals L1 and L on
the base (Polarity insensitive). Base terminal L2 is connected to base terminal L1 when the detector is
fitted to provide continuity monitoring through the detector. Base terminals L2 and L provide outputs to the
next detector or EOL device.
In case of alarm the detector comunicate the state to control device by sinking from the supply leads an
extra current according to the figure 3, for restoring from an alarm condition the power has to be removed
for 2-5 seconds.
A drive is provided for a remote indicator connected between supply + and terminal R, therefore at a
detector where remote indicator is connected, the polarity of the supply must be known.
MAINTENANCE
The lenght of time between service for each detector will depend upon the environment into which they
are installed .
It is recommended to Inspect , test and clean the detector at least annually. The detector must be removed
for service replacement typically each 5 years (up to 10 years subject to environment).
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0
2
4
6
8
10
12
14
Detector Voltage (V)
+
The Manufacturer reserves the right to change the technical specifications of this product without prior notice.
L1
L
L2
R
L.R.
16
18
20
22
24
26
28
30
32
L1
L
L
L2
R
R
E.O.L.
Fig. 2 Connection diagram.
Fig. 3 Alarm load.
34
Fig.4
Fit the detector unit onto the MUB
base (as per figure ) then twist clockwise.
L1
L2
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