Instructions For Compliance With U.s. And Canadian Electrical Codes - Mitsubishi Electric FR-F500 Series Instruction Manual

2.3.7 Instructions for compliance with U.S. and Canadian Electrical Codes

(Standard to comply: UL 508C)
( 1 ) Installation
The FR-F500 is UL-listed as a product for use in an enclosure and approval tests were conducted under the
following conditions.
• • • • 200V class
Inverter Model
FR-F520-0.75K
FR-F520-1.5K
FR-F520-2.2K
FR-F520-3.7K
FR-F520-5.5K
FR-F520-7.5K
FR-F520-11K
FR-F520-15K
FR-F520-18.5K
FR-F520-22K
FR-F520-30K
FR-F520-37K
FR-F520-45K
FR-F520-55K
• • • • 400V class
Design the enclosure so that the ambient temperature, humidity and ambience of the inverter will satisfy the
above specifications. (Refer to page 190)
( 2 ) Branch circuit protection
For installation in 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 5 or 10kA rms Symmetrical Amperes, 230
or 500 Volts Maximum.
• • • • 400V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 10kA rms Symmetrical Amperes, 500
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) and round crimping terminals. To crimp the crimping terminals, use
the crimping tool recommended by the terminal maker.
Minimum Enclosure Volume
(Ratio of enclosure volume to
inverter volume)
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
1.5
1.5
1.5
1.5
1.5
1.5
2.6
2.6
2.6




41
External Cooling Fan
(The following number of
fans of 100cfm wind pressure
are installed 10cm above the
inverter top)
0
1
1
1
1
1
1
2
2
2
2
2
2
2