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Installation Guide VSFC Unit PC Boards <br /> VSFC Unit PC Boards <br /> Figure 5 shows the front door of the VSFC unit open.The VSFC board is on top, the Logic board is in the <br /> middle, and the Power board is on the bottom. <br /> Note that the intrinsically-safe wiring compartment has the cover removed in this diagram. Only intrinsically- <br /> safe O.S.)wiring/conduit can enter this side of the unit. <br /> VSFC power,pump,and com wiring/conduit must enter the power side of the unit only. <br /> I <br /> s1 s2 <br /> �n�T sW1 <br /> Non-Intrinsically-safe wiring <br /> side for power,pump,and <br /> com wiring/conduit <br /> J4 ®® 6 <br /> VSFC board (top) <br /> DO <br /> 11 J2� JS OG J7FO J8 (1 <br /> Lug D1 <br /> • 51 effou SW2 SW3 <br /> ❑ ❑ ❑ o ❑ ❑ o <br /> Logic board <br /> T1 T2 T3 (middle) <br /> L1 L2 L3 MOTOR <br /> Grounding AC POWER OUTPUT <br /> lug <br /> INPUT <br /> ooh -}. Power board j <br /> \ (bottom) <br /> OGrounding l <br /> L,ol' <br /> stud <br /> lZtAIARNING! <br /> Intrinsically-safe(I.S.)wiring • Dangerous voltages present on <br /> compartment for sensor-related power board while the D5 LED <br /> wiring/conduit only. is lit.Wait until LED dims <br /> Shown with cover removed) before reaching into unit. <br /> Figure 5.VSFC PC Board Locations <br /> 9 <br />