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Site Preparatio id Installation Instructions TLS-350 UST Monitoring System D.POWER WIRING CONNECTIONS. 4. Connect the power supply wires in the power panel to WARNING: IN INSTALLATION OF THIS a separate dedicated circuit. PRODUCT, COMPLY WITH THE NATIONAL 5. Check to be sure that the electrical resistance between ELECTRICAL CODE;FEDERAL,STATE,AND the monitor ground terminal and a known good earth LOCAL CODES; AND ANY OTHER APPLI- ground is less than IQ. CABLE SAFETY CODES.IN ADDITION,TAKE E.PROBE AND SENSOR WIRING CONNECTIONS. NECESSARY PRECAUTIONS DURING IN- STALLATION, SERVICE AND REPAIR TO WARNING: IN INSTALLATION OF THIS PREVENT PERSONAL INJURY, PROPERTY PRODUCT, COMPLY WITH THE NATIONAL LOSS AND EQUIPMENT DAMAGE. ELECRICAL CODE; FEDERAL, STATE,AND WARNING:BE SURE POWER TO THE TLS-350 LOCAL CODES; AND ANY OTHER APPLI- CABLE SAFETY CODES.IN ADDITION,TAKE CIRCUIT IS TURNED OFF BEFORE CON- NECESSARY PRECAUTIONS DURING IN- NECTING POWER WIRING.FAILURE TO DO STALLATION, SERVICE AND REPAIR TO SO COULD RESULT IN DEATH, SERIOUS PREVENT PERSONAL INJURY, PROPERTY PERSONAL INJURY, PROPERTY LOSS AND LOSS AND EQUIPMENT DAMAGE. EQUIPMENT DAMAGE. WARNING:BE SURE AC POWER TO THE SYS- Power Supply Rating. ih TEM IS OFF BEFORE OPENING THE FRONT-PANEL COVER AND CONNECTING Input Power:(L',N,G); 120 VAC,50/60 Hz,10OW Max. PROBE AND SENSOR WIRES.IF HIGH VOLT- AGE IS SHORTED ACROSS ANY BARRIER Output Power:Alarm Relay Contacts, resistive load— TERMINAL, EXPLOSION AND FIRE COULD 120 VAC,2A Max.;or, 24 VDC, 2A Max. RESULT. 1. Connect a# 12 AWG(or larger)barrier ground conduc- Connectors are supplied with each sensor and probe for from the ground lug closest to the conduit entry in module.They provide screw terminations for each sensor the monitor to the earth ground bus on the power panel and probe. being used to supply AC line voltage to the TLS-350 CAUTION• ONCE PROBES AND SENSORS monitor(see Figure 11,"Power Wiring Diagram"). 16 HAVE BEEN CONNECTED AND THE SYSTEM 16 NOTE:If connecting to a subpanel,be sure there is HAS BEEN STARTED AND PROGRAMMED, an earth ground connection between the subpanel MODULE POSITIONS,CONNECTOR POSITIONS and the main power panel in accordance with the AND WIRE POSITIONS CANNOT BE CHANGED National Electrical Code. WITHOUT REPROGRAMMING THE SYSTEM! 2. Connect the power wires (L' and N) to the proper IMPROPER SYSTEM OPERATION WILL RESULT IF ANY ONE OF THESE POSITIONS IS terminals in the AC connector(see Figure 11). CHANGED WITHOUT REPROGRAMMING. 3. Connect the chassis ground wire from the ground lug Be sure to accurately record on the circuit directory the closest to the conduit entry in the monitor to the earth type of module, and the location of each device wired to ground bus on the power panel being used to supply the connector. AC line voltage to the TLS-350 monitor(see Figure 11, "Power Wiring Diagram"). Identify each connector with a self-adhesive number la- bel according to the slot number. GROUND LUG 1A FUSE 3AG SLO-BLO 1. Two-Wire Probes and Sensors. EI-. Connect the two color-coded or marked wires from E0 ® M o each probe or sensor to the appropriate terminals in ® ® the probe or sensor module connectors (see Figure 12, "Four Probe/Thermistor Interface Module Wiring Dia- gram"and Figure 13,"Interstitial Liquid Sensor Inter- MODULE face Module Diagram.") • 0 0 CONNECTOR Be sure to maintain proper polarity between the GROUND LUG CLOSEST TO probe wires and their respective module connector CONDUIT ENTRY terminations, Since interstitial liquid sensors are con- tact switches, polarity is not a consideration when con- ® ® necting field wires to interface modules. 2. Three-Wire Vapor Sensors. Connect the three color-coded or marked wires from o MONITOR each vapor sensor to the appropriate terminals in the RIGID a ° vapor sensor module connectors(see Figure 14,"Vapor CONDUIT E Sensor Interface Module Wiring Diagram"). Be sure to maintain proper polarity between the vapor N L, sensor wires and their respective module con- Figure 11. Power Wiring Diagram. nector terminations. 17