DS7432 Installation manual © Bosch Security Systems B.V., 2020 Page 3+ – + – 1 2 3 4 5 6 7 8NONC NCNO NONC NCNO NONC NCNO NONC NCNOPOWER BUS47KΩ 47KΩ 47KΩ 47KΩ 47KΩ 47KΩ 47KΩ 47KΩTo control panel 12VDC power terminals:DS7400, terminals 7 and 8, Fig. 4DS9400, terminals RA and BA, Fig. 5To DS7430, DS7436 or DS9431 MUXBUS Terminals (see Figure 4 or 5)Input LoopsTo separate powered detectors (other than smoke detectors)+-+-Burg. EOL resistor: DS P/N: 26069 (included)Fire EOL resistor: DS P/N: 28010 (sold separately)When used with a DS9431 , power isconnected to the option bus power terminals(RA or RB = +, BA or BB = -). Connection toother (24V) sources will damage the DS7432.For UL Listed fire installations, NormallyOpen (N/O) contacts must be used.Initiating circuits are Class BFigure 3: Wiring the DS7432 with Separate Powered DetectorsAuxiliaryPower -SmokeDetectorSmokeDetectorEOLRelayEOLResistorP/N: 28010DS7400Xi Control/Communicator PCBDS7430 MUXExpansion ModulePowerDS7432 8-Input Remote Module+ – 2 3 4 5 6 7 8Smoke Power -Smoke Power +Example: DS250 in anMB4W base.Example: EOL200Bus +Either Bus A or Bus B, or both, may be usedfor MUX connections when using theDS7436 MUX Expansion Module. See thepanel’s reference guide for information.SmokePower -AuxiliaryPower +Smoke Power -BUS1+ –POWERBusNFPA 72 does not allow redundant/duplicateground paths, do not connect wiring to theBUS (-) terminal on this module for fireapplications. Only the BUS (+) needs to beconnected.PO2 If ProgrammedorAny LP+ TerminalFigure 4: 4-Wire Smoke Detector Wiring for the DS7432 and DS7400Xi Control/Communicator.All manuals and user guides at all-guides.com