23
(Conforming standard UL 508C, CSA C22.2 No.14)
(1) Installation
This inverter is a UL / cUL Listed open type device for use inside an enclosure or enclosed Type 1 device with a
suitably rated enclosure.
For open type, design an enclosure so that the inverter ambient temperature, humidity and atmosphere satisfy the
specifications.
(Refer to page 1.)
The following UL / cUL Listed FR-A700 Series Inverters employ a UL Type 1 Enclosure - Suitable for Installation in a
Compartment Handling Conditioned Air (Plenum):
Models FR-A760-00220, -00330, followed by -NA suffix.
(*1) - Denotes suitable for Normal Duty and Heavy Duty Current Ratings only.
Wiring protection
For installation in the United States, branch circuit protection must be provided in accordance with the National
Electrical Code and any applicable provincial codes.
For installation in Canada, branch circuit protection must be provided in accordance with the Canadian Electrical Code
and any applicable provincial codes.
Provide the appropriate UL and cUL listed Class T type fuse that is suitable for branch circuit protection in accordance
with the table below.
* Maximum allowable rating by US National Electrical Code at SLD rating.
Exact size must be chosen for each installation.
(2) Wiring of the power supply and motor
For wiring the input (R/L1, S/L2, T/L3) and output (U, V, W) terminals of the inverter, use the UL Listed copper, stranded
wires (rated at 75°C (167°F)) and round ring crimping terminals. Crimp the crimping terminals with the crimping tool
recommended by the terminal maker.
(3) Short circuit ratings
•
600V class
Suitable For Use in A Circuit Capable Of Delivering Not More Than 100kA rms Symmetrical Amperes, 660V
Maximum.
Appendix 1 Instructions for UL and cUL Compliance
FR-A760-
00017 00040 00061 00120 00220 00330 00550 00840
Rated fuse voltage(V)
575V or more
Fuse Maximum
allowable rating (A)*
Without power factor
improving reactor
10
20
30
40
80
125
125
175
A760_installation_guideline_NA.book 23 ページ ２００７年１月１０日 水曜日 午前８時４９分
Summary of Contents for FR-A760-00017-NA
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