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Mounting
3.4.2.1
Electrical installation
1. Isolate all associated power supplies. Ensure that they remain isolated until
required for commissioning.
2. Connect the enclosure earth stud to a local ground point.
3. Remove the blanking plug(s) from the enclosure gland entries.
4. Fit the cable gland to the enclosure. Ensure that it is fitted with a minimum of
five threads inside the enclosure and with the ingress protection seal
washer fitted at the bottom of the thread. Tighten the gland to a torque
between 15 - 20 Nm (11 - 15 lbf ft).
5. Loosen the set screw located in the rear enclosure cover. Unscrew and
remove the rear enclosure.
6. Connect the cabling to the terminals in one of the following configurations:
0 - 20 mA output (source non-isolated)
Pin
Description
1
24 Vdc
2
0 Vdc
5
0 - 20 mA source
12
Relay output (Alarm and fault)
Pin
Description
1
24 Vdc
2
0 Vdc
3
To fire panel
4
To fire panel
9
End-of-line resistor
10
End-of-line resistor
11
Alarm resistor
12
Alarm resistor
7. Apply an even coating of non-setting waterproof grease to the flame path on
both the enclosure rear cover and body.
Instructions for use
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