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Cooling System Types For Inverter Enclosure - Mitsubishi Electric FR-F820-00046 Instruction Manual

Fr-f800 series.
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 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-F820-00105(2.2K)
FR-F820-00167(3.7K)
FR-F820-00250(5.5K)
FR-F820-00340(7.5K)
FR-F820-00490(11K)
FR-F820-00630(15K)
FR-F820-00770(18.5K)
200 V class
FR-F820-00930(22K)
FR-F820-01250(30K)
FR-F820-01540(37K)
FR-F820-01870(45K)
FR-F820-02330(55K)
FR-F820-03160(75K)
FR-F820-03800(90K)
FR-F820-04750(110K)
FR-F840-00023(0.75K)
FR-F840-00038(1.5K)
FR-F840-00052(2.2K)
FR-F840-00083(3.7K)
FR-F840-00126(5.5K)
FR-F840-00170(7.5K)
FR-F840-00250(11K)
FR-F840-00310(15K)
FR-F840-00380(18.5K)
FR-F840-00470(22K)
FR-F840-00620(30K)
FR-F840-00770(37K)
400 V class
FR-F840-00930(45K)
FR-F840-01160(55K)
FR-F840-01800(75K)
FR-F840-02160(90K)
FR-F840-02600(110K)
FR-F840-03250(132K)
FR-F840-03610(160K)
FR-F840-04320(185K)
FR-F840-04810(220K)
FR-F840-05470(250K)
FR-F840-06100(280K)
FR-F840-06830(315K)
NOTE
• The amount of heat generated shown assumes that the output current is inverter rated current, power supply voltage is 220 V
(200 V class) or 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.)
38
2. INSTALLATION AND WIRING
2.3 Installation of the inverter and enclosure design
Heatsink section (outside of enclosure)
SLD
104
95
161
147
263
240
265
235
375
340
405
365
555
500
690
615
700
665
1035
925
1170
1040
1520
1360
1960
1740
2165
1930
2860
2530
20
18
36
32
42
39
77
71
120
109
180
170
260
235
260
245
315
290
395
360
510
465
655
575
780
720
970
880
1400
1140
1780
1470
2235
1820
2540
1960
2830
2500
3250
2660
3700
3250
4090
3570
4650
4090
5280
4620
page
41.)
Amount of heat generated (W)
Control section (inside of enclosure)
LD
SLD
36
39
47
90
150
165
215
260
300
415
480
600
790
855
1100
35
39
43
53
55
65
85
110
135
170
230
275
330
370
600
740
915
1060
1220
1400
1600
1760
2000
2270
LD
35
38
45
85
140
150
200
235
285
375
440
540
710
780
1000
32
38
41
49
51
60
80
100
125
160
210
250
300
340
500
630
755
840
1100
1140
1400
1530
1760
1980

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