ABB ACS850-04 series, Hardware Manual

Page: 39 / 164

Planning the cabinet installation
39
1 Supporting frame of the cabinet 9 JCU control unit.
2 Vertical (2a, 2b) and horizontal (2c, 2d) air
baffles that separate the cool and hot
areas (leak-proof lead-throughs). See also
page
46 .
Note : With an internal control unit (P905), the
air inlet 17 is critical for proper cooling of the control
board.
2e Optional air baffle that is needed when 10 External control cables
there is no fan on the lower part of the 11 Grounding screws
cabinet door (see 1b on page 38 ). 12 Alternative to grounding screws (11)
3 Cabinet grounding busbar (PE) 13 Air flow to the roof
4 Input power cable including the protective 14 Air flow through the drive module (side view)
ground conductor (PE) of the drive
15 Air inlet gratings in the cabinet door
5 Disconnector and fuses 16 Air inlet for the brake option
6 Contactor 17 Air inlet for circuit boards and DC and output busbars
7 Drive module
8 Motor cable including the protective
ground conductor of the drive
PE
U1
V1
W1
W2
V2
U2
1
4
5
6
7
8
3
2a
11
2a
12
13
14
9
10
2b
3
2c
2d
15
2e
2e
16
17