Selection And Installation Of Peripheral Devices; Selection Of Wire Size - Toshiba TOSVERT VF-AS3 Instruction Manual

10
Selection and installation of
peripheral devices
In this chapter, the selection and installation methods of peripheral devices for this inverter are
described.
• All options to be used must be those specified by Toshiba.
The use of options other than those specified by Toshiba will result in an accident.
• In using a power distribution device and options for the inverter, they must be installed in a
cabinet.
Mandatory
action
When they are not installed in the cabinet, this will result in electric shock.
• The grounding wire must be connected securely.
If the grounding wire is not securely connected, when the inverter has failure or earth leakage,
Be sure to
this will result in electric shock or fire.
connect the
grounding
wire.

10. 1 Selection of wire size

According to the voltage class and capacity of the inverter, perform wiring using appropriate wires as
shown in the table below. When connecting peripheral devices to the inverter also, perform wiring accord-
ing to the wire size for a wire location shown in the table below.
• The wire size is a value when using a 600 V HIV insulation wire (copper wire with the maximum allow-
able temperature 75 °C of an insulator) with 50 °C ambient temperature and 30 m or less the length of
each wire.
• For the wire of the control circuit, use a shielded wire with 0.75 mm
WARNING
2
or more.
10-1

10. Selection and installation of peripheral devices

I
II
III
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18