Siemens VTA2001-A1 Voice Terminal Board - Class B, Installation Instructions

INSTRUCTIONS VTA2001 A1 Voice Terminal Board Class B option Model VTA2001 A1 Voice Terminal Board is the central wiring terminal for internal and external of the VR2005 Remote Microphone station The VTA2001 A1 provides connection points between the and switch modules in the VR2005 and the system components located in the FV2025 FV2050 Fire Voice Control Panel principal features of the VTA2001 A1 Voice Terminal Board include Provides a cable interface between the FV2025 2050 FV922 FV924 Fire Control Panel and the remotely located microphone and switch which are mounted in the VR2005 Remote Microphone station Provides connections for routing microphone audio 24 VDC power and Bus communications Routes control and indicator signals to the microphone and switch Provides an interconnection point for the loudspeakers and the tune down relay used to suppress audio feedback Supports networking of up to four VR2005 Remote Microphone 1 Voice Terminal are no pre installation steps required before mounting the VTA2001 A1 Voice Terminal Board in the Remote Microphone station VTA2001 A1 Voice Terminal Board Routes external cabling from the FV2025 2050 FV922 FV924 Fire Voice Control Panel to components mounted in the VR2005 Remote Microphone station Routes option module signals audio and control communication and 24VDC power within the Remote Microphone station via a 16 conductor ribbon cable Provides a pass through connection between the disconnected or muted speaker s and the use tune down relay mounted in the microphone module and Indicators are no controls or indicators on the VTA2001 A1 Voice Terminal Board Power down the VR2005 Remote Microphone station before mounting the VTA2001 A1 Terminal Board on the 1HU backbox 2 Standoff Locations on the 1HU Backbox for the VTA2001 A1 Voice Terminal Board Please refer to Figure 2 Connect the ground lug to the building ground Align the VTA2001 A1 Voice Terminal Board with the six standoffs indicated on Figure 2 Please refer to Figure 3 Insert six 4 40 x inch round head screws into the mounting holes the VTA2001 A1 and tighten HOLE PLACES 3 Holes on the VTA2001 A1 Voice Terminal Board Wiring internal wiring procedure for the VTA2001 A1 Voice Terminal Board will vary according to whether system includes one or multiple VR2005 Remote Microphone stations Always install ribbon cables so that the red wire is connected to pin 1 of the mating connector For the installation of the internal wiring for a single station or the last station in a multiple station please refer to Figure 4 Install a CAN ribbon cable between connector X9 on the Voice Terminal Board and connector X205 on the VTO2001 U2 U3 Option Module Switches CAN ribbon cables are needed to connect the VTO2001 U2 U3 Option Module 24 and VTO2004 U2 U3 Option Module Microphone Refer to instructions listed in Step Also install an A5Q00055918 End of Line termination on connector X205 of the microphone board of the VTO2004 U2 U3 Option Module Microphone see detail in Figure 4 END OF LINE TERMINATOR VOICE BOARD OPTION MICROPHONE DOOR 4 Single or Last Station Internal Wiring OPTION MODULE 24 NEAREST THE BACKBOX BOARD VOICE BOARD OPTION MODULE DOOR 5 Intermediate Station Internal Wiring OPTION MODULE 24 SWITCHES THE BACKBOX the system contains multiple VR2005 Remote Microphone Stations please refer to Figure 5 in the intermediate stations a CAN ribbon cable between the right most VTO2001 U2 U3 Module 24 Switches connector X205 and VTA2001 A1 connector X10 Also install a CAN cable between VTA2001 A1 connector X9 and connector X204 on the microphone board of the VTO2004 U2 U3 Option Module Microphone as shown in the detail of 5 No EOL termination is required on X205 Refer to Step 3 for connecting the VTO2001 Option Module 24 Switches for installing the remaining CAN ribbon cables which interconnect the VTO2001 Option Module 24 Switches to each other and to the VTO2004 U2 U3 Option Module are provided in the following Siemens Industry Inc Building Technologies Division A6V10370342 Installation Instructions for the Model VTO2001 U2 U3 Option Module A6V10370377 Installation Instructions for the Model VTO2004 U2 U3 Option Module Switches Wiring wiring connects the VTA2001 A1 Voice Terminal Board in the VR2005 Remote Microphone to the VCA2002 A1 Card Cage in the FV2025 2050 FV922 FV924 Fire Voice Control Panel wiring also interconnects the VR2005 Remote Microphone stations to each other in multiple systems Table 1 wiring limits detail overall system length for reliable system operation Overall length cannot exceed the listed limitations regardless of the number of Remote Microphone the optional tune down relay on the VTO2004 U2 U3 Option Module Microphone is used to or mute local speakers in the area of the VR2005 Remote Microphone station additional wiring is used to connect those speakers to the VTA2001 A1 Voice Terminal Board and then the terminal board to the tune down relay connections to the muted speaker s refer to VTO2004 U2 U3 Option Module Microphone A6V10370377 For a single or the first Remote Microphone station use the diagram in Figure 6a to construct a cable of the required length having the wire specifications presented in Table 1 the cable at each end using 8 position Phoenix style terminal blocks Gauge AWG max AWG min AWG max AWG min AWG max AWG min 1 specifications ohms max pair Length pair m 1000 ft ohms max pair Twisted m 2000 ft ohms max pair Twisted m 2000 ft TWISTED PAIR TWISTED PAIR CABLE DISTANCE BETWEEN CONNECTOR X401 AND X402 THE FV2025 2050 FV922 FV924 FIRE VOICE CONTROL PANEL AND X2 IN THE VR2005 REMOTE MICROPHONE STATION 6a station cable construction details TWISTED PAIR TWISTED PAIR 6b stations cable construction details PAIR 12 18 AWG NEXT VTA2001 SHIELDED PAIR 12 24 AWG CABLE IF LAST VTA2001 A5Q000559180 TERMINATION ON X205 THE VTO2004 U2 U3 IF LAST OR ONLY VTA2001 AND X10 WILL HAVE CONNECTIONS TO THE ID MUTED VOICE BOARD TO FIG 2 KNOCKOUT WIRING POWER LIMITED CAGE 24VDC 24VDC IN 1 IN 1 TO FIG 4 FIG 5 FOR WIRING 6A 6B REMOTE MICROPHONE STATION 7 VTA2001 A1 for up to two remote stations Please refer to Figure 7 Install the cable constructed in Step 1 above between connector X1 on VTA2001 A1 Voice Terminal Board and connector X401 and X402 located on the upper left of the backplane of the VCA2002 A1 Card Cage mounted in the FV2025 2050 Fire Voice Control Panel For systems that include only one VR2005 Remote Microphone station skip to Step 4 below For that include more than one VR2005 Remote Microphone station a series of cables must p