Toshiba Tosvert VF-AS1 User Manual

Page 37

E6581301

A-21

Install the inverter in a well-ventilated indoor place and mount it on a flat metal plate in portrait orientation.
If you are installing more than one inverter, the separation between inverters should be at least 5cm, and they should be
arranged in horizontal rows.
If the inverters are horizontally arranged with no space between them (side-by-side installation), remove of the
protective cover on top of the inverter. It is necessary to decrease the current if the inverter is operated at over 50°C.

(a): Standard installation

(b): Side-by-side installation

H1 or more

H2 or more

5cm or more

H3 or more

*1 200V 0.4kW~15kW, 400V 0.75kW~15kW
*2 200V 18.5kW~45kW, 400V 18.5kW~75kW

H1(cm)

H2(cm)

H3(cm)

200V 75kW or smaller
400V 110kW or smaller

400V 132, 160kW

400V 200~280kW

400V 355, 400kW

400V 500kW

The space shown in the diagram is the minimum allowable clearance. Make the space on top and bottom as large as
possible to allow for air passage.For models designed for 110kW motors or larger, leave a space of 30cm or more
above and below the inverter.

Note: Do not install in any location where there is high humidity or high temperatures and where there are large

amounts of dust and metallic fragments. If you are going to install the equipment in any area that presents a
potential problem, please consult with your supplier before doing so.

■

Current reduction curve
Depending on the way in which the inverter is installed, the ambient temperature and the carrier frequency setting,
you may need to reduce the inverter’s continuous output current.
Reduction rates vary depending on the capacity. The capacities shown in these diagrams are capacities with the
highest reduction rates. Set parameter H to . Output current (4kHz or less) described in “Specifications,”
Section 12 is considered as 100%.

200V

0.4~15kW

400V

0.75~18.5kW (See lines shown in - - - for 2.2kW)

4kHz

8kHz

12kHz

16kHz

Carrier frequency (EH)

100%

90%

80%

70%

60%

50%

Output cu

rrent

40°C: (a)
50°C:

When the upper protection cover is removed under
condition (a)
(b)

50°C: (a)

60°C: (a)

When the upper protection cover is removed under
condition (a)
(b)

Ambient temperature: Permanently-installed inverters