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Installation Module/Connector Positions Installing interface modules in a TLS-350 Series Console is a simple process. However,there are important points to remember: 1. For each module, a corresponding expansion slot with connector must be available. 2. ALL unused expansion slots MUST be covered with blank face plates. MODULE POSITION • Record in the circuit directory (inside front panel),the type of module, sensor locations, etc., beside the slot number. • Once a particular type of module has been installed in that slot,the system will always look for that type of module in that slot. CONNECTOR POSITION • Identify all connectors according to their slot location using the self-adhesive numbering labels supplied with each module. • Once a device has been wired to certain terminals on the connector and the system has been programmed, terminal positions may not be changed without reprogramming the system. Installing Modules The steps below apply for any of the sensor modules discussed in this manual.Additional information regarding the below steps can be found in the Veeder-Root TLS-3XX Series Consoles Site Preparation and Installation manual. 1. Open the right-hand door of the console by unscrewing the right-top and right-bottom locking bolts. 2. To retain current programming, be sure that the CPU (for TLS-350) or ECPU (for TLS-350R) battery backup switch is in the On position (see Figure 1 on page 4). If you have to set the battery backup switch to the On position, avoid touching any circuit components with your hand or any conductive tool. A WARNING .; 0 You are working with a device in which potentially lethal voltages may be present. If high voltage is shorted across any barrier terminal,explosion and fire could O result. a Turn Off,tag and lockout power to the console before installing/wiring any module. 3