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Revision May 2009, 00DE, V0.50 1-1
Chapter 1 Introduction
The brushless DC motor drive should be kept in the shipping carton or crate before installation. In
order to retain the warranty coverage, the brushless DC motor drive should be stored properly when it
is not to be used for an extended period of time. Storage conditions are:
CAUTION!
1. Store in a clean and dry location free from direct sunlight or corrosive fumes.
2. Store within an ambient temperature range of -20
°
C to +60
°
C.
3. Store within a relative humidity range of 0% to 90% and non-condensing environment.
4. DO NOT place on the ground directly. It should be stored properly. Moreover, if the surrounding
environment is humid, you should put exsiccator in the package.
5. DO NOT store in an area with rapid changes in temperature. It may cause condensation and
frost.
6. If the brushless DC motor drive is stored for more than 3 months, the temperature should not be
higher than 30 °C. Storage longer than one year is not recommended, it could result in the
degradation of the electrolytic capacitors.
7. When the brushless DC motor drive is not used for longer time after installation on building sites
or places with humidity and dust, it’s best to move the brushless DC motor drive to an
environment as stated above.