Intrinsically Safe Zone Monitor Unit Wiring (Czmu352-Is) - Eaton FX6100 Installation And Operation Manual

Section 4: Appendix

Intrinsically safe zone monitor unit wiring (CZMU352-IS)

Installation
1 . Separate the two halves of the unit
2 . Drill out (or knock out) the required cable entries in the surface mounting backbox
3 . Fit the back-box in position and pass the wires into it
4 . Connect the unit according to the diagram below
5 . Recommended Cable Type: FIRETUF , FP200, MICC
N ote: No addressing of the interface is required . See control panel operation
for details . There are no serviceable parts so no maintenance
procedures apply
Standard connections
N ote:
1 . This detection zone can only be used with intrinsically safe detectors SLR-E-IS
(optical) / DCD-1E-IS (Heat) with the non-diode base YBN-R/4IS
2 . The call point zone can only be used with BG3 I/S call points
3 . Only connect cable screen to its adjacent earth terminal
4 . The end of line resistor must always be fitted, even if the spur is unused
5 . Maximum spur length – See BS5839 Pt1:2001 for Zone Coverage
94
INSTALLATION AND OPERATION MANUAL 25-16329-B December 2019 www.eaton.com