Terminal Block Connections; Wire Size Requirements - DSC LC-171 Installation Instructions & User Manual

Dual-tech motion sensor (dual pir & microwave) with pet immunity
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7

Terminal Block Connections

Terminal 1 - Marked "-" (GND) - Connect to the ground of the Control Panel.
Terminal 2 - Marked "+" (+12V) - Connect to a positive Voltage of 9.6 -16Vdc source
(usually from the Control Panel)
Terminals 3 & 4 - Marked "TAMP" - If a Tamper function is required connect these
Terminals to a normally closed 24-Hour Tamper Zone on the Control Panel.
If the top cover of the detector is opened or the detector is detached from installation wall, an
immediate alarm signal will be sent to the Control Panel.
Terminal 5 - Marked "EOL" - End of line – optional terminal for end of line resistors
connections.
Terminals 6, 7 & 8 - Marked "NC / C / NO" - These are the output relay contacts of the
detector. Connect to a zone input on the control unit. When an intruder is detected, alarm
relays (N.C. and N.O.) will switch for 1.8 sec.

7.1 Wire Size Requirements

Use #22 AWG or larger wires. Use the following table to determine required wire gauge and
length.
Wire Length [m]
Wire Length [ft.]
Wire Gauge [#]
205
310
510
800
1200
2000
22
20
18
9
870
3400
16
EN

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