Cooling System Types For Inverter Enclosure - Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual

 Installing the heatsink outside the enclosure
When the heatsink is installed outside the enclosure, the amount of heat generated by the inverter unit is shown in the following
tables. (For the details on protruding the heatsink through a panel, refer to
Voltage Inverter model
FR-A820-00105(1.5K)
FR-A820-00167(2.2K)
FR-A820-00250(3.7K)
FR-A820-00340(5.5K)
FR-A820-00490(7.5K)
FR-A820-00630(11K)
FR-A820-00770(15K)
200 V class FR-A820-00930(18.5K)
FR-A820-01250(22K)
FR-A820-01540(30K)
FR-A820-01870(37K)
FR-A820-02330(45K)
FR-A820-03160(55K)
FR-A820-03800(75K)
FR-A820-04750(90K)
FR-A840-00023(0.4K)
FR-A840-00038(0.75K)
FR-A840-00052(1.5K)
FR-A840-00083(2.2K)
FR-A840-00126(3.7K)
FR-A840-00170(5.5K)
FR-A840-00250(7.5K)
FR-A840-00310(11K)
FR-A840-00380(15K)
FR-A840-00470(18.5K)
FR-A840-00620(22K)
FR-A840-00770(30K)
400 V class
FR-A840-00930(37K)
FR-A840-01160(45K)
FR-A840-01800(55K)
FR-A840-02160(75K)
FR-A840-02600(90K)
FR-A840-03250(110K)
FR-A840-03610(132K)
FR-A840-04320(160K)
FR-A840-04810(185K)
FR-A840-05470(220K)
FR-A840-06100(250K)
FR-A840-06830(280K)
NOTE
• The amount of heat generated shown assumes that the output current is inverter rated current, power supply voltage is 440 V
(400 V class), and carrier frequency is 2 kHz.
2.3.3

Cooling system types for inverter enclosure

From the enclosure that contains the inverter, the heat of the inverter and other equipment (transformers, lamps, resistors, etc.)
and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure temperature lower than the
permissible temperatures of the in-enclosure equipment including the inverter.
The cooling systems are classified as follows in terms of the cooling calculation method.
• Cooling by natural heat dissipation from the enclosure surface (totally enclosed type)
• Cooling by heat sink (aluminum fin, etc.)
Amount of heat generated (W)
Heatsink section (outside of enclosure)
SLD LD ND
104 95 77
161 147 95
263 240 155
265 235 174
375 340 244
405 365 261
555 500 421
690 615 520
700 665 620
1035 925 745
1170 1040 895
1520 1360 1150
1960 1740 1280
2165 1930 1530
2860 2530 1925
20 18 12
36 32 23
42 39 33
77 71 57
120 109 86
180 170 120
260 235 160
260 245 195
315 290 275
395 360 310
510 465 360
655 575 480
780 720 590
970 880 740
1400 1140 890
1780 1470 1250
2235 1820 1540
2540 1960 1590
2830 2500 1950
3250 2660 2410
3700 3250 2690
4090 3570 3180
4650 4090 3570
5280 4620 4130
page 44.)
Control section (inside of enclosure)
HD SLD LD
40 36 35
70 39 38
103 47 45
110 90 85
155 150 140
190 165 150
315 215 200
430 260 235
595 300 285
615 415 375
735 480 440
920 600 540
1000 790 710
1180 855 780
1560 1100 1000
6 35 32
12 39 38
19 43 41
38 53 49
53 55 51
90 65 60
115 85 80
145 110 100
200 135 125
265 170 160
305 230 210
385 275 250
485 330 300
610 370 340
730 600 500
925 740 630
1230 915 755
1260 1060 840
1570 1220 1100
1850 1400 1140
2380 1600 1400
2590 1760 1530
3150 2000 1760
3530 2270 1980
2. INSTALLATION AND WIRING
2.3 Installation of the inverter and enclosure design
1
2
ND HD
33 30
35 30
3
35 32
66 50
106 75
4
109 90
169 135
200 170
260 245
5
305 265
375 315
460 380
6
550 450
650 520
775 660
28 24
7
32 28
37 31
43 37
8
44 37
50 45
60 50
85 65
9
115 85
140 120
160 145
210 175 10
250 215
280 250
400 330
540 425
660 540
710 590
850 680
1040 800
1160 1020
1370 1110
1530 1350
1770 1520
41