VM1000 Series
‐25‐
Free from direct sunlight, high humidity and condensation
Free from corrosive, explosive and flammable gas
Free from oil dirt, dust and metal powder
Environmental
temperature
When VFD is with normal rated load, the permitted environmental
temperature is -10℃+~40℃, service in derated capacity for 40℃~50℃.
Notes: 1) Derate 4% capacity for every 1℃ increased. 2) If the ambient
temperature is too low, it needs to take measures to increase the temperature.
Humidity
≤95%RH, no water condensation
Notes: If there is condensation may occur due to environmental factors, install
electrical heating device in the control cabinet.
Storage
temperature
-40℃～ 70℃。
Altitude
Lower than 1000m, use according to the normal load standard
Higher than 1000m, it needs derating. Derate 1% capacity every 100m.
Vibration
Please install in the place that is not easy to generate vibration. Vibration
should not exceed 0.6G. Special Notes: 1. Do not be installed on the punching
machine etc; 2. Do not use as VOBC (Vehicle on Board Controller); 3. When
it is applied to moving equipment like cranes etc., ensure VFD is installed
according to the stability of equipment and make sure VFD won’t occur
uncontrollable shaking or other abnormal condition.
Table 2-1 Index List for Environmental Requirements
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