3-1
Chapter3 Environment & Installation
3.1 Environment
Installation environment has a direct effect on the correct operation and the life expectancy of
the inverter, Install the inverter in an environment complying with the following conditions：
Protection
Protection class
IP20 / NEMA 1 & IP66
Suitable Environment
Operation
temperature
IP20 / NEMA 1 type：(please refer the ambient temperature and rating current
curves in section 3.4.3)
Insdie distributor：-10~50°C(without sticker or dust cover)( up to 60°C)
Output distributor：-10~40°C(with sticker or dust cover)( up to 50°C)
(It is required to derate 1.5% of output current at each additional degrees once
the ambient temperature is higher than 50 degrees.) If several inverters are
installed in the same Operator panel, ensure adequate spacing and provide the
necessary cooling and ventilation for successful operation.
**Please does not exceed 70% rated current of inverter with dust sticker or over.
Storage
temperature
-20～60℃
Relative
Humidity
Relative humidity 5% to 95%, free of moisture.
(Follow IEC60068-2-78 standard)
Vibration
Frequency : 10Hz to 150Hz and return to 10Hz
Amplitude : 0.3mm (10Hz to 50Hz)
Acceleration : 2G (50Hz to 150Hz)
(According to IEC60068-2-6 standard)
Altitude
It is required to derate 1% of output current at each additional 100m, the
maximum altitude is 2000m.
Installation side
Install in an environment that will not have an adverse effect on the operation of the unit and ensure
that there is no exposure to areas such as that listed below：
Direct sunlight, Rain or moisture.
Oil mist and salt
Dust, lint fibbers, small metal filings and Corrosive liquid and gas.
Electromagnetic interference from sources such as welding equipment.
Radioactive and flammable materials.
Excessive vibration from machines such as stamping, punching machines, add a vibration-proof
pads if necessary.
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