Manual

FIRElink-400 Air Sampling System – Installation Manual Page 35 of 58

9-5-0-346/ISS4/OCT10

 All cables (power and signal) should pass through the screw-in metal cable glands provided. The

screen of the power cable should be terminated at the cable gland.

 Power cables need to be fitted with a ferrite ring inside the detector case (2 off provided). The 24V

and 0V wires should be long enough to form a loop around the ferrite wall.

 Separate wires from the power cables should be kept as short as possible, just enough to provide

adequate stress relief.

Diagrams below show the appropriate arrangements for top and rear entry cables: