95INSTALLATION AND OPERATION MANUAL 25-16329-B December 2019 www.eaton.comSection 4: AppendixShop monitor unit wiring (MSU840)Installation1 Separate the two halves of the unit2 Drill out (or knock out) the required cable entries in the surface mounting back- box3 Fit the back-box in position and pass the wires into it4 Connect the unit according to the diagram belowote:N No addressing of the interface is required See control paneloperation for detailsStandard connectionsote:N1 This unit can only be used with CDB300/I detector base and compatible detectors2 Only connect cable screen to its adjacent earth terminal3 The end of line resistor must always be fitted, even if the spur is unused4 Maximum spur length - See BS5839 Pt1:2002 for Zone Coverage5 Maximum number of call points allowed is unlimited6 Detector zone end of line device is EOLM-17 Callpoint zone has end of line resistorEELLOOOOPPOOUUTT IINN CCAALLLLPPOOIINNTTZZOONNEEDDEETTEECCTTOORR ZZOONNEESSOOUUNNDDEERREEXXTTEERRNNAALLPPSSUUMMOONNIITTOORR2244VVEEXXTTEERRNNAALLPPSSUUIINNPPUUTT11 22FFIIRREERREELLAAYYEE EE EEEEEENN//OOFFaauullttCCoonnttaaccttNN//OO2244VV DDCC OOUUTTPPUUTTPPOOWWEERR SSUUPPPPLLYY UUNNIITT2244VVOO//PPCC NN//CC-- -- -- --++ ++ ++ +++++----++++++++---------- OOUUTT ++-- IINN ++-- OOUUTT ++-- IINN ++66KK88 1122KK 1122KK12KEEOOLLMM--11Analogue Addressable LoopCallpoints can be connected with detectorson detector zone if preferred