Chapter 2 Installation | VFD-ED
2-1 Mounting Clearance
 Prevent fiber particles, scraps of paper, shredded wood, sawdust, metal particles, etc. from
adhering to the heat sink.
 Install the AC motor drive in a metal cabinet to prevent the risk of fire.
 Install the AC motor drive in a Pollution Degree 2 (IEC 60664-1) environment with clean and
circulating air. A clean and circulating environment means air without polluting substances and dust.
The motor drives’ figures shown below are for reference only. The actual motor drives may look different.
Figure 2-1
Minimum Mounting Clearance
Frame Capacity Model No.
W (Width)
mm (inch)
H (Height)
mm (inch)
B
3.0–5.0 HP
(2.2–4 kW)
VFD022ED21S, VFD037ED21S, VFD040ED23S/43S 50 (2) 150 (6)
C
7.5–15 HP
(5.5–11 kW)
VFD055ED23S/43S, VFD075ED23S/43S,
VFD110ED23S/43S,
VFD150ED43S, VFD185ED43S
75 (3) 175 (7)
D
20–40 HP
(15–30 kW)
VFD150ED23S, VFD185ED23S, VFD220ED23S/43S,
VFD300ED43S
75 (3) 200 (8)
E
40–100 HP
(30–75 kW)
VFD300ED23S, VFD370ED23S/43S, VFD450ED43S,
VFD550ED43S, VFD750ED43S
75 (3) 200 (8)
NOTE: The minimum mounting clearances stated in Table 2-1 apply to AC motor drives frame B,
C, D and E. Failure to follow the minimum mounting clearances may cause the motor drive fan to
malfunction and cause heat dissipation problems.
Table 2-1
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