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4 <br /> t <br /> Manual No:577013-815•Revision B <br /> Variable Speed Flow -Controller <br /> Installation . - <br /> V <br /> IMPORTANT NOTICE! <br /> A V-R PLLD Pressure Transducer must be installed in the <br /> STP and connected to the Variable Speed Flow Controller <br /> (VSFC)for the VSFC to control the STP. <br /> For VSFC standalone installations (i.e., sites without a TLS- <br /> 350 Console, or sites having a TLS-350 without PLLD line <br /> leak detection), a PLLD Pressure Transducer is required in <br /> the STP (V-R kit P/N 3301320-46X).To install this transducer <br /> refer to relevant sections of the PLLD Site Prep guide (V-R <br /> PIN 576013-902). <br /> For VSFC installations in sites that include a TLS-350 <br /> Console with PLLD line leak detection, a separate PLLD <br /> Pressure Transducer is not required because the VSFC unit <br /> and the PLLD system will share the same transducer. <br /> For all VSFC installations, you must connect the PLLD <br /> Pressure Transducer's cable to the VSFC unit following the <br /> instructions in this VSFC installation Guide. <br /> VEEDER-ROOT <br />