Instruction manual

INSTALLATION AND WIRING
41
2.3.7 Instructions for compliance with the UL and CSA standards
(Since we obtained the approval of the UL and CSA Standards from the UL, the products conforming to the
Standards carry the UL and cUL marks.)
(
1
)
Installation
The above types have been approved as products for use in enclosure and approval tests were conducted
under the following conditions. In enclosure design, refer to these conditions so that the ambient temperature
of the inverter becomes 50
°
C or less.
Inverter Type Control Box Size (Unit: mm (inches)) Vent Hole Area Cooling Fan
FR-A520-0.75K
W H D
210
×
360
×
175
(8.27
×
14.17
×
6.89)
W D
160
×
60
(6.29
×
2.36)
(top and bottom)
Not required
FR-A520-11K
W H D
320
×
400
×
240
(12.60
×
15.75
×
9.45)
W D
130
×
70
(5.12
×
2.76)
(bottom)
Install a cooling fan at top of the
enclosure to suck internal air to the
outside.
(Fan air flow: 1.72m
3
/min. or more)
FR-A520-22K
Control box having
the size of the
inverter size plus
100mm (3.94) in W,
100mm (3.94) in H
and 50mm in D
W H D
350
×
600
×
240
(13.78
×
23.62
×
9.45)
W D
330
×
70
(12.99
×
2.76)
(bottom)
Install a cooling fan at top of the
enclosure to suck internal air to the
outside.
(Fan air flow: 3.44m
3
/min. or more)
FR-A520-55K
W H D
580
×
815
×
300
(
22.83
×
32.09
×
11.81
)
W D
123
×
492 (bottom)
(4.84
×
19.37)
123
×
126
(
bottom
×
2
)
(4.84
×
4.96)
123
×
300
(
bottom
×
2
)
(4.84
×
1.18)
Install cooling fans at top of the enclosure
to suck internal air to the outside.
(Fan air flow: 2
×
3.24m
3
/min. or more)
FR-A540-5.5K
W H D
310
×
460
×
220
(12.20
×
18.11
×
8.66)
W D
100
×
210 (top)
(3.94
×
8.27)
160
×
480 (bottom)
(2.36
×
1.89)
Not required.
FR-A540-22K
W H D
350
×
600
×
240
(13.78
×
23.62
×
9.45)
W D
330
×
70 (bottom)
(12.99
×
2.76)
Install cooling fans at top of the enclosure
to suck internal air to the outside.
(Fan air flow: 2
×
1.72m
3
/min. or more)
FR-A540-55K
Inverter size plus
100mm (3.94) in W,
100mm (3.94) in H
and 50mm (1.97) in
D
W H D
550
×
665
×
300
(
21.65
×
26.18
×
11.81
)
W D
123
×
126
(4.84
×
4.96)
(lower section has 2
ventilation ports)
Install at the upper section of the panel
so that the air in the panel is blown out of
the panel.
(Fan capacity: 2
×
3.24m
3
/min. or more)
(
2
)
Wiring of the power supply and motor
Use the UL-approved power supply and round crimping terminals to wire the input (R, S, T)
〈
L
1
, L
2
, L
3
〉
and output
(U, V, W) terminals of the inverter. Crimp the terminals with the crimping tool recommended by the terminal
manufacturer.
(
3
)
Fuse
On the input side, use any of the UL Class K5 fuses having the ratings as listed below:
Applicable Inverter Type Rating (A) Applicable Inverter Type Rating (A)
FR-A520-0.4K 7.5 to 10 FR-A540-0.4K 5
FR-A520-0.75K 15 to 20 FR-A540-0.75K 8
FR-A520-1.5K 25 to 30 FR-A540-1.5K 10
FR-A520-2.2K 30 to 40 FR-A540-2.2K 20
FR-A520-3.7K 45 to 60 FR-A540-3.7K 35
FR-A520-5.5K 75 to 90 FR-A540-5.5K 45
FR-A520-7.5K 90 to 125 FR-A540-7.5K 60
FR-A520-11K 115 to 175 FR-A540-11K 90
FR-A520-15K 190 to 225 FR-A540-15K 110
FR-A520-18.5K 225 to 300 FR-A540-18.5K 125
FR-A520-22K 265 to 350 FR-A540-22K 150
FR-A520-30K 340 to 450 FR-A540-30K 225
FR-A520-37K 375 to 500 FR-A540-37K 250
FR-A520-45K 450 to 600 FR-A540-45K 300
FR-A520-55K 600 FR-A540-55K 350
(
4
)
Short-circuit rating
Having been put to the short-circuit test of the UL in the AC circuit whose peak current is limited to
∗
A max.,
this inverter conforms to this circuit.
Inverter Type
*
1.5kW to 37kW (2HP to 50HP) 5,000
45kW, 55kW (60, 75HP) 10,000