3. Environment and Installation
3.1. Environment
The environment will directly affect the proper operation and the life span of the inverter. To ensure that the
inverter will give maximum service life, please comply with the following environmental conditions:
Protection
Protection Class IP20/NEMA 1 or IP00
Operating Temperature Ambient Temperature: (-10°C - +40°C (14 -104 °F)
Without Cover: -10°C - +50°C (14-122 °F); but it is required to derate 2% of current at each additional 1°C.
The maximum operating temperature is 60°C.
If several inverters are placed in the same control panel, provide a heat removal means to maintain ambient
temperatures below 40°C
Storage Temperature -20°C - +70°C (-4 -158 °F)
Humidity 95% non-condensing
Relative humidity 5% to 95%, free of moisture.
(Follow IEC60068-2-78 standard)
Altitude Altitude: Below 1000 m (3281 ft.)
It is required to derate 1% of current at each additional 100 m.
The maximum altitude is 3000 m.
Installation Site Avoid exposure to rain or moisture.
Avoid direct sunlight.
Avoid oil mist and salinity.
Avoid corrosive liquid and gas.
Avoid dust, lint fibers, and small metal filings.
Keep away from radioactive and flammable materials.
Avoid electromagnetic interference (soldering machines, power machines).
Avoid vibration (stamping, punching machines etc.).
Add a vibration-proof pad if the situation cannot be avoided.
Shock Maximum acceleration: 1.0G (9.8m/s²), from 49.84 to 150 Hz
Displacement amplitude : 0.3mm (peak value), from 10 to 49.84 Hz (Follow IEC60068-2-6 standard)
3.2. Installation
When installing the inverter, ensure that inverter is installed in upright position (vertical direction) and there is
adequate space around the unit to allow normal heat dissipation as per the following Fig. 3.2.1
5.9in.
150mm
X
5.9in.
150mm
Air Flow
Ambient
temperature
-10 to +40°C
5.9in.
150mm
X
5.9in.
150mm
Fig3.2.1:VDI100Installationspace
X=1.18”(30mm)forinverterratingsupto
18.5 kW (25HP)
X=1.96”(50mm)forinverterratings
22 kW(30HP)orhigher
The inverter heatsink temperature can reach up to 194°F / 90°C during operation; make sure to use insulation mate-
VDI100 • Instruction manual 13
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