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Altitude derating – Yaskawa iQpump1000 AC Drive Quick Start User Manual

Page 323

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Setting 3: External Heatsink Installation, Finless Drive

Drive operation between -10 °C and +40 °C allows 100% continuous current without derating. Operation between +40 °C and

+50 °C requires output current derating.

100

85

70

55

0

L8-35 = 2: IP20/NEMA Type 1 Enclosure
L8-35 = 3: External Heatsink lnstallation

L8-35 = 0: IP00/Open-Chassis Enclosure

30

-10

40

50

Drive Rating

(%)

L8-12
(Ambient temp:

°C)

L8-35 = 1: Side-by-Side Mounting

Figure A.1 Ambient Temperature and Installation Method Derating

u

Altitude Derating

The drive standard ratings are valid for installation altitudes up to 1000 m. For installations from 1000 m to 3000 m, the drive

rated voltage and the rated output current must be derated for 0.2% per 100 m.

A.4 Drive Derating Data

YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide

323

A

Specifications