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Ecowatt
®
Drive K120 series
The chapter describes the mechanical installation and electric installation of the VFD.
Only trained and qualified professionals are allowed to carry out the
Ensure the VFD power is disconnected before installation. If the VFD
Installation must be designed and done according to applicable local
3.1 Mechanical installation
3.1.1 Installation environment
Installation environment is essential for the VFD to operate at its best in the long run.
Environment
Installation
site
Ambient
temperature
3 Installation guidelines
operations mentioned in this chapter. Please carry out operations
according
to
instructions
precautions". Ignoring these safety precautions may lead to physical
injury or death, or equipment damage.
has been powered on, disconnect the VFD and wait for at least the
time designated on the VFD.
laws and regulations. Kruger does not assume any liability
whatsoever for any installation which breaches local laws and
regulations. If recommendations given by Kruger are not followed,
the VFD may experience problems that the warranty does not cover.
Indoors
-10°C–+50°C, and the temperature changing rate is less than
0.5°C/minute.
When the ambient temperature exceeds 40°C, derate 1% for
every additional 1°C.
It is not recommended to use the VFD when the ambient
temperature is above 50°C.
In order to improve the reliability of the device, do not use the
VFD if the ambient temperature changes frequently.
Please provide cooling fan or air conditioner to control the
internal ambient temperature below the required one if the
VFD is used in an enclosed space such as in the control cabinet.
When the temperature is too low, if the VFD needs to restart to
run after a long stop, it is necessary to provide an external
heating device to increase the internal temperature; otherwise,
damage to the devices may occur.
presented
Condition
-13-
Installation guidelines
in
chapter
1
"Safety
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