13.1 Compliance with UL Standards and Canadian Standards (cUL certification)
13-1
Chapter 13 COMPLIANCE WITH STANDARDS
13.1 Compliance with UL Standards and Canadian Standards (cUL certification)
13.1.1 General
The UL standards, established by Underwriters Laboratories, Inc. are safety standards to protect operators,
service personnel and the general populace from fires and other accidents in the USA.
cUL certification is given to products that are certified by UL as meeting CSA Standards. cUL certified
products are equivalent to those compliant with CSA Standards.
13.1.2 Conformity with UL standards and Canadian standards (cUL certification)
A Fuji inverter with a UL/cUL mark should be installed according to the following requirements to conform
to UL Standards and Canadian Standards (cUL certification).
Conformity with UL Standards and Canadian Standards (cUL certification)
1. Solid state motor overload protection (motor protection by electronic thermal overload relay) is provided in
each model.
Use function codes F10 to F12 to set the protection level.
2. Use Cu wire only.
3. Use Class 1 wire only for control circuits.
4. Short circuit rating
"Suitable For Use On A Circuit Of Delivering Not More Than 100,000 rms Symmetrical Amperes, 240 Volts
Maximum for 200V class input 22 kW or less, 230 Volts maximum for 200V class input 30 kW or above
when protected by Class J Fuses or a Circuit Breaker having an interrupting rating not less than 100,000
rms Symmetrical Amperes, 240 Volts Maximum." Models FRN; rated for 200V class input.
"Suitable For Use On A Circuit Of Delivering Not More Than 100,000 rms Symmetrical Amperes, 480 Volts
Maximum when protected by Class J Fuses or a Circuit Breaker having an interrupting rating not less than
100,000 rms Symmetrical Amperes, 480 Volts Maximum." Models FRN; rated for 400V class input.
"Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit
protection must be provided in accordance with the National Electrical Code and any additional local
codes."
5. Field wiring connections must be made by a UL Listed and CSA Certified closed-loop terminal connector
sized for the wire gauge involved. Connector must be fixed using the crimp tool specified by the connector
manufacturer.
(To be continued)
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