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Chapter 3 – Installation Instructions
Heat Dissipation
Requirements
240 Volt Models
Type Codes
ACH40160042x
ACH40160052x
ACH40160062x
ACH40160112x 10/15
ACH40160162x
ACH40160202x
ACH40160302x
ACH40160412x
ACH40160601x
ACH40160701x
3-2
ACH 400 drives are self-cooled. The cooling air entering the drive must be
clean and free from corrosive materials. The tables below give the heat
dissipated into the hot air exhausted from the drives. If the drives are installed
in a confined space, the heat must be removed from the area by ventilation or
air conditioning equipment.
Table 3-1 Heat Dissipation for ACH 400 Electronic Bypass Units
480 Volt Models
HP
Type Codes
3
ACH401x0043x
5
ACH401x0053x
7.5
ACH401x0063x
ACH401x0093x
ACH401x0113x
ACH401x0163x
20
ACH401x0203x
25
ACH401x0253x
30
ACH401x0303x
40
ACH401x0413x
ACH40160603x
ACH40160703x
50
60
ACH40161003x
ACH40x61203x
ACH40x61403x
ACH40262103x
ACH40262603x
ACH40263203x
ACH40264003x
If the cooling air contains dust, clean the cooling surfaces of the unit regularly
using compressed air and a brush. If the ACH 400 is in a NEMA 1 enclosure,
cover the vents during cleaning to prevent the dust from entering the unit.
If the heatsink is not cleaned and is not able to dissipate the expended heat, the
ACH 400's thermal protection will activate, causing a fault indication which
stops the drive. The ACH 400 can be started again when the temperature of
the heatsink has fallen below the trip level.
Heat Dissipation
Drive Only
HP
Watts
BTU/Hr
80
3
100
340
120
5
130
440
7.5
180
610
10
240
820
15
340
1160
340
20
460
1570
460
25
570
1950
610
30
670
2290
750
40
910
3110
910
50
1110
3790
60
1800
6150
75
2100
7170
2185
7500
2950
10100
100
3000
10200
125
3600
12300
150
4200
14300
200
6300
21500
250
7800
26600
300
9600
32800
400
12000
40900
ACH 400 with Electronic Bypass User's Manual
Drive with
Line Reactors
Watts
BTU/Hr
95
115
390
140
145
490
195
670
260
700
360
1230
390
490
1670
520
620
2120
680
730
2490
840
970
3310
1010
1180
4030
1910
6520
2200
7510
2300
7850
3080
10500
3120
10650
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