Toshiba TOSVERT VF-nC3 Instruction Manual page 33

The space shown in the diagram is the minimum allowable space. Because air cooled equipment has cooling
fans built in on the top or bottom surfaces, make the space on top and bottom as large as possible to allow
for air passage.
Note: Do not install in any location where there is high humidity or high temperatures and where there are
large amounts of dust, metallic fragments and oil mist.
Calorific values of the inverter and the required ventilation
About 5% of the rated power of the inverter will be lost as a result of conversion from AC to DC or from DC to
AC. In order to suppress the rise in temperature inside the cabinet when this loss becomes heat loss, the
interior of the cabinet must be ventilated and cooled.
The amount of forcible air-cooling ventilation required and the necessary heat discharge surface quantity
when operating in a sealed cabinet according to motor capacity are as follows.
Notes
1) The heat loss for the optional external devices (input reactor, DC reactor, radio noise reduction filters,
etc.) is not included in the calorific values in the table
2) Case of 100% Load Continuation operation.
Operating
Voltage class motor capacity
(kW)
0.1
Single-phase 0.2
VFNC3S-
100V class 0.4
0.75
0.1
0.2
Single-phase 0.4
VFNC3S-
200V class 0.75
1.5
2.2
0.1
0.2
0.4
Three-phase
0.75
300V class
1.5
2.2
4.0
10 cm or more
VFnC3 VFnC3
10 cm or more
Calorific values
Inverter type
4kHz
1001P 13
1002P 18
1004P 29
1007P 48
2001PL 13
2002PL 18
2004PL 27
2007PL 44
2015PL
72
2022PL 93
2001P 13
2002P 16
2004P 24
VFNC3- 2007P 41
2015P 73
2022P 85
2037P 128
A-21
Remove seals on top
VFnC3
Amount of forcible air
cooling ventilation
3
required (m /min)
12kHz 4kHz 12kHz
14 0.07 0.08
20 0.10 0.11
33 0.16 0.19
54 0.27 0.31
14 0.07 0.08
20 0.10 0.11
31 0.15 0.18
43 0.25 0.24
83 0.41 0.47
102 0.53 0.53
14 0.07 0.08
18 0.09 0.10
28 0.14 0.16
45 0.23 0.26
85 0.41 0.48
90 0.48 0.51
133 0.73 0.75
E6581595
1
Heat discharge surface
area required for sealed
3
storage cabinet (m )
4kHz 12kHz
0.26 0.28
0.36 0.40
0.58 0.66
0.96 1.08
0.26 0.28
0.36 0.40
0.54 0.62
0.88 0.86
1.44 1.66
1.86 2.04
0.26 0.28
0.32 0.36
0.48 0.56
0.82 0.90
1.46 1.70
1.70 1.80
2.56 2.66