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INSTALLATION AND OPERATION MANUAL
25-16327-B November 2020 www.eaton.com
Section 4: Appendix
Zone monitor unit wiring (CZMU352)
Installation
1 . Separate the two halves of the unit
2 . Drill out (or knock out) the required cable entries in the surface
mounting back - box
3 . Fit the back-box in position and pass the wires into it
4 . Connect the unit according to the diagram below
ote:
N
No addressing of the interface is required . See control panel
operation for details
Standard Connections
ote:
N
1 . This unit can only be used with the CDBB300 range of detector bases and
compatible detectors
2 . Only connect cable screen to its adjacent earth terminal
3 . The end of line resistor must always be fitted, even if the spur is unused
4 . Maximum spur length - See BS5839 Pt1:2002 for Zone Coverage
5 . Maximum number of call points allowed is unlimited, max number of
conventional detectors is 20
6 . Detector zone end of line device is EOLM-1 (supplied)
7 . Callpoint zone has 6K8 ohms end of line resistor
EE
LLOO OO PP
OO UUTT
IIN
N
CC AALLLL
PP OO IIN
NTT
ZZOO N
NEE
DDEE TTEE CC TTOO RR ZZOO N
NEE
EE
EE
EE
--
--
--
--
++
++
++
++
- OUT +
- IN +
- OUT +
- IN +
12K
EOLM-1
Analogue Addressable Loop
Callpoints can be connected with detectors
on detector zone if preferred