Preface
Thank you for purchasing our GMD series of inverters.
This product is designed to drive a three-phase induction motor and three-phase permanent magnet
synchronous motor (PMSM). Read through this instruction manual and be familiar with proper han-
dling and operation of this product.
Improper handling might result in incorrect operation, a short life, or even a failure of this product as
well as the motor.
Have this manual delivered to the end user of this product. Keep this manual in a safe place until this
product is discarded.
The materials are subject to change without notice. Be sure to obtain the latest editions for use.
Guideline for Suppressing Harmonics in Home Electric and General-
purpose Appliances
Three-phase 200 V class series of inverters with a capacity of 15 kW or less, single-phase
200 V class series with 2.2 kW or less were once subject to the "Japanese Guideline for
Suppressing Harmonics in Home Electric and General-purpose Appliances" (established in
September 1994 and revised in October 1999), published by the Ministry of International Trade and
Industry (currently the Ministry of Economy, Trade and Industry (METI)).
Since the revision of the guideline in January 2004, however, these inverters have no longer been
subject to the guideline. The individual inverter manufacturers have voluntarily employed harmonics
suppression measures.
As our measure, it is recommended that DC reactors (DCRs) authorized in this manual be con-
nected to the GMD series of inverters.
When using DCRs not authorized in this manual, however, consult your GMTCNT representative
for the detailed specifications.
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