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Installing the Dispenser Pan Sensor Installation Procedures <br />8. See subsections below, as each type of sensor has different wiring requirements. In the wiring examples <br />below, rigid conduit is shown between the junction box and the console. However, some sites use direct burial <br />cable between the junction box and the console. <br />a. Solid -State Discriminating Dispenser Pan Sensor (Part No. 794380-320): Using wire nuts, connect the <br />three -wire cable to the field wires in the sensor junction box (Refer to Figure 3). Be sure to observe color <br />codes to maintain proper polarity hookup with the Type B Interface Module in the TLS -350 or TLS -350R <br />Console. <br />B Red <br />TO G Black <br />Type B Seal -off • From <br />Interface i i i Sensor <br />Module A ® White <br />i <br />r <br />1/2" rigid <br />conduit <br />Epoxy sealed connections in a <br />senso \QdpsWr.eps weatherproof junction box <br />Figure 3. Three -Wire (Type B Interface) Sensor Wiring Installation Diagram <br />b. Discriminating Dispenser Pan Sensor (Part No. 794380-322): Using wire nuts, connect the two -wire cable <br />to the field wires in the sensor junction box in the TLS -300. Field wires connect to the Interstitial Interface <br />Module in the TLS -350 or TLS -350R Console or to the appropriate sensor terminals in the TLS -300 <br />Console. (Refer to Figure 4 on page 6.) <br />Figure 4. Two -Wire (Interstitial Sensor Interface) Sensor Wiring Installation Diagram <br />c. Solid -State Dispenser Pan Sensor (Part No. 794380-321): Using wire nuts, connect the two -wire cable to <br />the field wires in the sensor junction box (See Figure 5 on page 7). Be sure to observe color codes to <br />maintain proper polarity hookup with the Type A Interface Module (Part No. 847490-105) in the TLS -350 or <br />TLS -350R Console. <br />6 <br />i Black <br />To <br />® <br />InterstitialSensor <br />i i i <br />Seal -off i From <br />Interfcei <br />Sensor <br />Module <br />i White <br />+i ® <br />\1/2" rigid �J <br />conduit <br />Epoxy sealed connections in a <br />sensors\ddpswir.eps <br />weatherproof junction box <br />Figure 4. Two -Wire (Interstitial Sensor Interface) Sensor Wiring Installation Diagram <br />c. Solid -State Dispenser Pan Sensor (Part No. 794380-321): Using wire nuts, connect the two -wire cable to <br />the field wires in the sensor junction box (See Figure 5 on page 7). Be sure to observe color codes to <br />maintain proper polarity hookup with the Type A Interface Module (Part No. 847490-105) in the TLS -350 or <br />TLS -350R Console. <br />6 <br />