5-1
5 Vac System Field Wiring - TLS-450PLUS Console
Connecting Vac Sensors To The TLS-450PLUS Console
1. Connect each Vac Sensor/Vac Float pair and the Vac Sensor/ Tank Interstitial Float pair cables to the Universal
Sensor Module (USM) as shown in Figure 5-1.
At least one USM with attached ATM Pressure Sensor must be installed in the console for
proper Vac Sensor operation.
2. System programming of the Vacuum Sensors is performed following instructions in the TLS-450PLUS/TLS4
Operator’s Manual (P/N 577014-110).
Figure 5-1.- Vac Sensor Inputs
Connecting Pump Control to TLS-450PLUS Console
FOR SITES WITH PLLD LEAK DETECTION
Pump control for Vac Sensors is accomplished with PLLD line leak detection. Connecting PLLD leak detection as
per the instructions provided with that equipment is all that is required.
NOTICE
Attach Cable Shields to Ground
Lug Closest to Conduit Entry
+
Product Line
Interstice Vac
Sump Interstice Vac
Tank Interstice Vac
Rigid Conduit (enters Console
through the USM knockout)
+
+
+
Vapor Ret Line
Interstice Vac
To maintain
intrinsic safety,
Vac Sensor must
be connected to
a USM module.
NOTICE
Observe polarity when
attaching wiring.
4
3
2
WARNING
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