Instructions For Ul And Cul - Mitsubishi Electric FR-A500 Instruction Manual

2.3.6

Instructions for UL and cUL

(Standard to comply with: UL 508C, CSA C22.2 No.14)
(1) Installation
The FR-A500 is UL-listed as a product for use in an enclosureand approval tests were conducted under the
following conditions.
Design an enclosure so that the ambient temperature, humidity and ambience of the inverter will satisfy the
specifications. (Refer to page 219.)
200V class
Minimum Enclosure Volume
Inverter Model (Ratio of enclosure volume to
FR-A520-0.4K
FR-A520-0.75K
FR-A520-1.5K
FR-A520-2.2K
FR-A520-3.7K
FR-A520-5.5K
FR-A520-7.5K
FR-A520-11K
FR-A520-15K
FR-A520-18.5K
FR-A520-22K
FR-A520-30K
FR-A520-37K
FR-A520-45K
FR-A520-55K
400V class
Design the enclosure so that the ambient temperature, humidity and ambience of the inverter will satisfy the
above specifications. (Refer to page 219)
(2) Branch circuit protection
For installation in the United States, branch circuit protection must be provided, in accordance with the
National Electrical Code and any applicable local codes.
For installation in Canada, branch circuit protection must be provided in accordance with the Canada
Electrical Code and any applicable provincial codes.
(3) Short circuit ratings
200V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 65kA rms Symmetrical Amperes
maximum, 264 Volts Maximum.
400V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 65kA rms Symmetrical Amperes
maximum, 528 Volts Maximum.
(4) Wiring of the power supply and motor
For wiring the input (R, S, T) <L
recognized copper wires (rated at 75°C (167°F)) and round crimping terminals. To crimp the crimping
terminals, use the crimping tool recommended by the terminal maker.
inverter volume)
150
150
245
245
245
245
245
245
370
370
370
, L , L > and output (U, V, W) terminals of the inverter, use the UL-
1 2 3
INSTALLATION AND WIRING
Air Vent Area
(Ratio of air vent area in
enclosure top and bottom to
enclosure surface area)
5.8
5.8
1.5
1.5
1.5
1.5
1.5
1.5
2.6
2.6
2.6
42
External Cooling Fan
(The following number of fans of
100cfm wind pressure are installed
10cm above the inverter top)
0
0
1
1
1
1
1
2
2
2
2
2
2
2
2