2
2-3
2.4 Connections
DANGER
Hazardous Voltage
Before accessing the AC drive:
!
Disconnect all power to the AC drive.
!
Wait ten minutes for DC bus capacitors discharge.
Any Electrical or mechanical modification to this equipment without prior written
consent of WATT Drive GmbH. will void all warranties and may result in a safety
hazard in addition to voiding the CE or UL listing.
Short Circuit Withstand:
The rated voltage of power system that is installed on AC drive must be equal to or less
than 240 Volts (400/460V model is 480 Volts) and the current must be equal to or less
than 5000A RMS.
#
General Wiring Information
Applicable Codes
For installation in compliance with CE standards you must follow the instructions provided
the section “EMC-wiring” in chapter 3.
All L2500 drives are Underwriters Laboratories, Inc. (UL) and Canadian Underwriters
Laboratories (cUL) listed, and therefore comply with the requirements of the National
Electrical Code (NEC) and the Canadian Electrical Code (CEC).WATT Drive GmbH also
declare the conformity of all L2500 drives to CE standards.
Installation intended to meet the UL and cUL requirements must follow the instructions
provided in “
Wiring Notes
” as a minimum standard. Follow all local codes that exceed UL
and cUL requirements. Refer to the technical data label affixed to the AC drive and the
motor nameplate for electrical data.
The "Line Fuse Specification" in Appendix B, lists the recommended fuse part number for
each L2500 Series part number. These fuses (or equivalent) must be used on all
installations where compliance with U.L. standards is a requirement.
2.5 Environments
Avoid rain and moisture,
Avoid direct sunlight,
Avoid corrosive gases or liquids,
Avoid airborne dust or metallic particles,
Avoid vibration,
Avoid magnetic interference,
Environment temperature: -10 ~ 50
°
C,
Environment humidity: below 90% RH,
Environment air pressure: 86 kpa ~ 106 kpa.