Chapter 3 – Installation Instructions
3-2 ACH 400 with Electronic Bypass User’s Manual
Heat Dissipation
Requirements
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
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.
240 Volt Models 480 Volt Models
Heat Dissipation
Drive Only
Drive with
Line Reactors
Type Codes HP Type Codes HP Watts BTU/Hr Watts BTU/Hr
ACH40160042x 3 80 95
ACH401x0043x 3 100 340 115 390
ACH40160052x 5 120 140
ACH401x0053x 5 130 440 145 490
ACH40160062x 7.5 ACH401x0063x 7.5 180 610 195 670
ACH401x0093x 10 240 820 260 700
ACH401x0113x 15 340 1160 360 1230
ACH40160112x 10/15 340 390
ACH401x0163x 20 460 1570 490 1670
ACH40160162x 20 460 520
ACH401x0203x 25 570 1950 620 2120
ACH40160202x 25 610 680
ACH401x0253x 30 670 2290 730 2490
ACH40160302x 30 750 840
ACH401x0303x 40 910 3110 970 3310
ACH40160412x 40 910 1010
ACH401x0413x 50 1110 3790 1180 4030
ACH40160603x 60 1800 6150 1910 6520
ACH40160703x 75 2100 7170 2200 7510
ACH40160601x 50 2185 7500 2300 7850
ACH40160701x 60 2950 10100 3080 10500
ACH40161003x 100 3000 10200 3120 10650
ACH40x61203x 125 3600 12300
ACH40x61403x 150 4200 14300
ACH40262103x 200 6300 21500
ACH40262603x 250 7800 26600
ACH40263203x 300 9600 32800
ACH40264003x 400 12000 40900
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