Switching Of Grounding Capacitor - With Frame Size A1 - Toshiba TOSVERT VF-AS3 Instruction Manual

It is switched by changing the position of the exclusive switching screw(s) that varies depending on the
type. For some types, the grounding capacitor is completely disconnected (frame size A1to A5). For
others, the capacitor capacity is reduced (frame size A6 to A8).
For the details of the influence of the leakage current and measures, refer to [2. 4. 3].
Important
2
Switch the grounding capacitor in the following procedure given for each type. At the time of shipping,
the grounding capacitor is grounded or its capacity is large.
■ With frame size A1
VFAS3-2004P to 2022P, VFAS3-4004PC to 4037PC
1 Remove the front cover.
For how to remove, refer to [2. 2. 1].
2 Remove two screws for switching of grounding
capacitor.
The grounding capacitor is disconnected.
Mount the removed screws to the positions shown
in the figure on the right and tighten them.
3 To recover the shipping state, mount the two
9
screws for switching of grounding capacitor and
tighten them.
The
grounded.
4 After switching, mount the front cover.
For how to mount, refer to [2. 2. 1].
Important
2. Installation and wiring
• Note that when the grounding capacitor is switched, the inverter unit no longer comply with the
EMC directive.
• Be sure to switch with the power off.
• For models with two switching screws, be sure to set both screws to the same side.
grounding capacitor is
• For models with two switching screws, be sure to set both screws to the same side.
Grounding
Screw
Non-grounding
connected and
2-40
E6582062
Screw