Compac OPT SCR200 설치 매뉴얼 - 페이지 12

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Electrical Installation

Power Cable

3 Core Steel Wire Armour Cable 2.5mm². 230 Volts, 10A, 50 Hz. Connect the incoming mains

as follows:

▪ Live - Connect to the Left bottom screw down terminal of the mains switch.

▪ Neutral - Connect to the Right bottom screw down terminal of the mains switch.

▪ Earth - Connect to the busbar.

Pump Comms

2 Core Steel Wire Armour Cable 1.5mm². Total cable length in the comms circuit should not

exceed 100 metres.

Terminals will be labelled depending on the brand of pump on site. Correct polarity must be

observed.

NOTE: For pump comms, tank gauging and ADSL connections it is suggested that the wires

are crimped to a ferrule to provide a greater contact area for the screw fastener.

NOTE: Make sure the clamping screw contacts the terminal and not the insulation.

Tank Gauging

Connect the wires from the tank gauging unit to the terminals on the Din rail marked Tx, Rx

and G. The Tx wire from the tank gauging unit connects to the Rx terminal.

Cable length should be less than 3 metres. Cable length can be extended up to 10 metres if

an opto-isolator is used.

NOTE: Site electrical and magnetic interference can reduce transmission distance.