Chapter 1 Introduction 
 VFD-EL-W 
   
   
1-7
1.2 Preparation for Installation and Wiring 
1.2.1 Ambient Conditions 
Install the AC motor drive in an environment with the following conditions. 
Operation 
Temperature 
-10°C to 50°C (VFD007EL21W & VFD007EL21W-1, 
fan required). After you install an optional c
you can increase the operating temperature of these 
two models up to 50°C without derating. 
Relative Humidity  < 90%, non-condensing 
Atmospheric pressure  86–106 kPa 
Installation Site Altitude  <1000 m 
Vibration 
1.0 mm, peak-to-peak value: from 2–13.2 Hz; 
 0.7–1.0 G, from 13.2–55 Hz; 1.0 G, from 55–512 Hz
compliance with IEC 60068-2-6 standard. 
Storage 
and 
Transportation 
Temperature 
-20°C to 60°C (-4°F to 140°F) 
Relative Humidity  < 90%, non-condensing 
Atmospheric pressure  86–106 kPa 
Vibration 
1.0 mm, peak-to-peak value: from 2–13.2 Hz;  
0.7–1.0 G, from 13.2–55 Hz; 1.0 G, from 55–512 Hz; 
compliance with IEC 60068-2-6 standard. 
Pollution Degree 
2: good for a factory type environment.