Cooper DF6000 Manual de usuario descargar pdf (Pagina 29)

DF6000 - USER MANUAL

Cable and 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 2 km

3. Maximum volt drop must be limited to 7 V.

4. The conductors should be 1.5mm minimum an no larger than 2.5mm

5. Multicore cable should not be used for detector 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 DF6000 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.

Section 1 - System Installation and Design

Core Diameter Typica l FP200 Resistance

1.0mm² 18.1 Ohms/km/Core

1.5mm² 12.1 Ohms/km/Core

2.5mm² 7.41 Ohms/km/Core

4.0mm² 4.61 Ohms/km/Core

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Cooper DF6000 Manual de usuario Pagina 29