Fimer PVS-175-TL - Page 146

FIMER_PVS-175-TL A.1 Version_Product manual_EN_RevC-
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10. Discharge of the capacitor
Wait the internal capacitors to be discharged.
WARNING – B The discharge time of the stored energy is indicated on the regulatory label.
11. Voltage absence test on DC side (wiring box)
WARNING – B Before to approach the below operations all the steps from 1 to 9 included
must be successfully completed.
• Access to the wiring box (02) by opening the front wiring box cover (07).
• Visually inspect the components to identify the presence of any overheating, signs of electric arcs,
failure of the insulating devices, loosen connections or cables not connected.
• Test the absence of voltage on the
DC inputs using the voltage
detector: the voltage absence test
on DC side must be carried out on
the DC surge arrester boards (21),
shown in the picture.
The layout of the DC surge arrester boards (21) is provided below, with reference of the points where
the input DC voltage absence test must be performed. The points are represented by the faston
where the cables (coming from DC switches (19)) are connected.
+
+
+
+
+
+
+
+
+
+
+
+
CH1
CH12
CH2
CH11
CH3
CH10
CH4
CH9
CH5
CH8
CH6
CH7
21