Potter Installation Manual MCM Miniature Contact Module

TN51314e 0 01.06 2011 Manual MCM Miniature Contact Module TO THE INSTALLER manual provides an overview and the installation instructions for the MCM module This module is only with addressable fire systems that utilize the Potter Nohmi addressable protocol terminals are power limited and should be wired in accordance with the requirements of NFPA 70 NEC NFPA 72 National Fire Alarm Code Failure to follow the wiring diagrams in the following pages will the system to not operate as intended For further information refer to the control panel installation module shall only be installed with listed control panels Refer to the control panel installation manual for system operation Description miniature contact module MCM module is used to monitor the contact status of an initiating device that a normally open contact When the Normally open contact is selected and the contact is shorted MCM reports its condition to FACP The MCM supervises an open circuit of wiring connected to the C and NO MCM is generally used to monitor pull stations and other devices where the module is installed in an box or enclosure The contact utilizes a terminal block that is covered in accordance with UL to protect from inadvertent shorts and ground faults Setting the Address addressable module smoke sensor heat detector and combination sensor detector must have the set prior connecting the device to the SLC loop The address is set using the hand held device to connecting a device to the SLC loop the following precautions should be taken to prevent potential to SLC or device Verify the following before proceeding Document discrepancies and notify personnel Power in the Addressable Module is removed Field wiring on the module is correctly installed Field wiring has no open or short circuits Wiring diagram Loop FACP or module the next of line resistor ohm 1 2W 1 Wiring diagram in case of supervising Normally open contact SLC wiring style is applicable to the NFPA Class A Style 6 7 Class B Style 4 IDC wiring style is applicable to the NFPA Class B Style B SLC loop wiring S S and initiating device wiring C NO are power limited Wiring for terminals S S are supervised Wiring for terminals C NO are supervised This addressable module does not support 2 wire detectors All wiring is between 14 2.08 mm2 max and 22 0.32 mm2 min Wire Preparation all wires 1 4 inch from their edges as follows inch 6.4 mm Stripping too much insulation may cause ground fault Stripping too little may cause a poor connection and subsequently an open circuit Specifications voltage range of SLC input power S S input circuit wiring style resistor for IDC Maximum SLC 24 VDC standby current S S Maximum SLC 24 VDC alarm current S S Maximum wiring resistance of IDC Maximum wiring capacitance of IDC Maximum no of module per loop Dimensions temperature range humidity range Applicable electrical box for installation to 24.0V B Style B to 120 0 to 49 to 93 non condensing units H 2.32 W 0.94 D single gang box instructions do not purport to cover all the details or variations in the equipment described nor provide every possible contingency to be met in connection with instillation operation and maintenance subject to change without prior notification Technical Assistance contact Potter Electric Signal Company at 800 325 3936 performance is based on proper application of the product by a qualified professional further information be desired or should particular problems arise which are not covered sufficiently the purchaser s purpose the matter should be referred to Nohmi or a distributor in your region Electric Signal Company LLC Park 370 Place Hazelwood MO 63042 USA 866 956 1211 http www pottersignal com