5 kHz2 kHz100%80%0Figure A.4 Carrier Frequency Derating (2A0343 to 2A0396 and 4A0414 to 4A0590)100%88%58%2 kHz 5 kHz 10 kHz04A0361Figure A.5 Carrier Frequency Derating (4A0361)u Temperature DeratingTo ensure the maximum performance life, the drive output current must be derated as shown in Figure A.6 when the drive isinstalled in areas with high ambient temperature or if drives are mounted in a cabinet. In order to ensure reliable drive overloadprotection, set parameters L8-12 and L8-35 according to the installation conditions.Note: To install a heatsink on the outside of a panel, design the panel to keep the air temperature inside the panel within 10 °C (18 °F)[5 °C (9 °F) for 2A0273 and 4A0124] of the outside air temperature.n Parameter SettingsNo. Name Description Range Def.L8-12 AmbientTemperature Setting Adjust the drive overload (oL2) protection level when the drive is installedin an environment that exceeds its ambient temperature rating. 40 to 60 40 °CL8-35 Installation MethodSelection0: IP00/Open-Chassis Enclosure2: IP20/NEMA 1, UL Type 1 Enclosure3: External Heatsink Installation 0, 2, 3 2IP00/Open-Chassis EnclosureDrive operation between -10 °C and +50 °C (14 and 122 °F) allows 100% continuous current without derating. Models2A0343A, 2A0396A, 4A0361A, 4A0414A, 4A0480A, and 4A0590A are sold as IP00/Open-Chassis.IP20/NEMA 1, UL Type 1 EnclosureDrive operation between -10 °C and +40 °C (14 and 104 °F) allows 100% continuous current without derating. Operationbetween 40 °C and 50 °C (104 and 122 °F) requires output current derating.Note: The temperature derating remains unchanged when removing the top protective cover and the bottom conduit bracket to change IP20 NEMA1, UL Type 1 enclosure models 2A0011F through 2A0273F and 4A0005F through 4A0302F to IP00/Open-Type enclosures (deratingrequired for temperatures over 40 °C [104 °F]).External Heatsink InstallationDrive operation between -10 °C and +40 °C (14 and 104 °F) allows 100% continuous current without derating. Operationbetween 40 °C and 50 °C (104 and 122 °F) requires output current derating.A.4 Drive Derating DataYASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual 279A Specifications
