FIMER_PVS-175-TL A.1 Version_Product manual_EN_RevC-
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7. Operations on internal AC disconnect Switch (09) (only -S2, -SX2 models)
NOTE – D This operation can be done only in case of wiring box -S2, -SX2 models. The
wiring box -S, -SX models doesn’t include the AC switch (09).
• Open the main AC disconnect switch (09) (shown in blue in the picture below).
PV Strings
External DC
Switch
Internal DC
Switches
Internal AC
Switch
INVERTER UNIT
(Unit under service)
PWRMOD
WBOX
OPEN+LOTO
PV Strings
External DC
Switch
Internal DC
Switches
Internal AC
Switch
INVERTER UNIT
PWRMOD
WBOX
External LV
AC Switch
External Main LV
AC Switch
External LV
AC Switch
LV Distriubution
Panel
MW Switch
LV/MW
Transformer
OPEN+LOTO
OPEN
+
LOTO
• Affix designated lock preventing operation onto AC disconnect switch (09), affixing designated tags
(LOTO procedure).