Eaton CF2000 - Intrinsically Safe Zone Monitor Unit

72
Technical Data PR202-50-502-22
Effective June 2017
CF2000 System
EATON www.eaton.com
Intrinsically Safe Zone Monitor Unit Wiring
CZMU352-IS
To install the device
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 in Figure 51.
5. Recommended Cable Type: FIRETUF, FP200, MICC
ote:N
No addressing of the interface is required. See control panel
operation for details. There are no serviceable parts so no
maintenance procedures apply.
Figure 51. Standard connections CZMU352-IS
otes:N
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, each if the spur
is unused.
5. Maximum spur length - See BS5839 Pt1:2001 for Zone
Coverage.