Toshiba TOSVERT VF-AS3, Instruction Manual

Page: 41 / 622

E6582062 
2-7
2. Installation and wiring
2
3
9
10
The amount of forcible air-cooling ventilation required and the necessary heat discharge surface
quantity when operating in a sealed cabinet depending on motor capacity are as follows.
<ND rating>
Input
voltage
Class
Applicable
motor
capacity
(kW)
Inverter type-form
Frame
size
Inverter
calorific value
(W) *1
Inner side
calorific value
(W) *1
Forced
air-cooled
Required
ventilation
amount
(m
3
/min)
Sealeded
cabinet
Necessary
heat discharge
surface
quantity (m
2
)
3-phase
240 V
0.75
VFAS3-
2004P
A1
65 27 0.37 1.30
1.5 2007P 92 29 0.52 1.83
2.2 2015P 115 32 0.65 2.31
4.0 2022P 189 38 1.07 3.79
5.5 2037P A2 243 47 1.38 4.85
7.5 2055P
A3
392 53 2.22 7.84
11 2075P 544 62 3.09 10.87
15 2110P
A4
625 90 3.55 12.51
18.5 2150P 750 101 4.26 15.01
22 2185P 874 112 4.96 17.49
30 2220P
A5
1084 136 6.15 21.68
37 2300P 1384 163 7.86 27.68
45 2370P 1631 184 9.26 32.63
55 2450P
A6
2466 278 14.00 49.33
75 2550P 3432 359 19.48 68.64
*1 Case of 100% load ND continuous operation. The heat loss for the optional external devices (input reactor, radio noise reduction filters, etc.) is not
included in the calorific values in the table.