SICLI COP3000, Installation Manual, Page: 21 / 45

Cable & Wiring
Only the cable types listed below are allowable for loop connections.
1. Enhanced Fire TUF
2. Fire TUF™
3. FP200
4. MICC
When choosing your preferred cable type, you must take note of the following cable and
wiring requirements.
1. The cable must be 2 core screened with an over sheath.
2. Maximum loop length with any of the above cables is 2KM
3. Maximum volt drop must be limited to 7 volts.
4. The conductors should be 1.5mm minimum and no larger than 2.5mm
5. Multicore cable should not be used for Sensor wiring.
6. Different loops should NEVER be run within the same cable.
7. Loop feeds and returns should NEVER be used within the same cable.
Cable Resistance
Cable Anchorage
The mains cable must be fixed securely with a 20mm cable gland. Remove a suitably
located knockout feed the cable through the gland and bolt the gland to the COP3000
backbox as shown. Secure the cable to the side of the box using the cable clip
provided.
NOTE: The mains cable tail ends must be insulated
to prevent dangerous conditions arising in the event
of accidental switching on of the mains supply.
Core Dia m e te r Typica l FP 200 Re sista nce
1.0m m ² 18.1 Ohm s /k m /Core
1.5m m ² 12.1 Ohm s /k m /Core
2.5m m ² 7.41 Ohm s /k m /Core
4.0m m ² 4.61 Ohm s /k m /Core
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