Delta CT2000 Series User Manual page 120

Specification for Operation Temperature and Protection Level
Model Frame Top cover
VFDxxxCT43_ _ _ _ _
Heat Dissipation System Diagram
Electric
Control
Case
Air Velocity Specification at Heat Dissipation Channel
Frame
Model VFD_ _ _CT43_ _ _ _ _
Air Velocity @fc=2kHz (M/sec)
Air Velocity @ default fc (M/sec)
Definition of Air Velocity: When the dissipation channels are at bypass condition, the air speed that equally flows
5cm in front of the heatsink. As shown in the Figure 1 below, dotted lines are required size in mm to
calculate the minimum air velocity (table above) to cool down the heat.
The closer the size of the heat dissipation channel to the size of the heatsink,
the better the result of heat dissipation.
Conduit
Box
Top cover Standard
B, C
Removed conduit box
No conduit
D N/A
box
Motor
Drive
B
110 150
3.5 3.5
3.5 6.5
Chapter 9 Specifications CT2000 Series
Protection Level
IP20/UL Open Type
IP00
IP20/UL Open Type
This circled part is IP00,
other areas are IP20
Air
exhaust
system
Temperature of air hose ≤ 40 C
See page 2 3 for Air flow rate for cooling
-
Cooling
Fan
C
185 220 300
3.5 3.5 3.5
8.5 3.5 7
9-3
Temperature
Flange mounted
models
Body:
-10~50℃
Heat sink:
-10~40℃
Wall mounted
models
-10~50℃
º
Dust
Collector
D
370 450 550
7 3.5 4.5
9.5 5.5 6
Operation
750 900
6 8.5
8.5 9.5