Delta VFD-ED Series, User Manual

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Ch02 Installation | VFD-ED
2-2
2-1 Mounting Clearance
 Do not allow material such as fiber particles, scraps of paper, shredded wood, sawdust, and metal
particles to adhere 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.
Air Flow
W
W
H
H
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 the table above 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.