Technical information 
  8.5 Climatic ambient conditions 
Comfort Panels 
Operating Instructions, 07/2017, A5E36770603-AB 
191 
 
Climatic ambient conditions 
8.5.1
 
The following information applies to a device that is stored in its original packaging for longer 
than two weeks.  
The device meets the requirements of IEC 60721-3-1 Class 1K2. 
 
Transport and short-term storage 
The following information applies to a device that is transported in the original packaging and 
weather-proof packaging, and stored from some time.  
The device meets the requirements according to IEC 60721-3-2 Class 2K4 with the following 
amendments and limitations: 
 
Atmospheric pressure  1140 ... 660 hPa, corresponds to an elevation of -1000 to 3500 m 
Pollutant concentration  SO2: < 0.5 ppm; relative humidity < 60 %, no condensation 
H
2
S: < 0.1 ppm; relative humidity < 60 %, no condensation 
 
 
Note 
If dewing has developed, wait until the HMI device has dried completely before switching it 
on. 
 
Do not expose the HMI device to direct radiation from a heater. 
 
 
The following information applies to a device installed according to the specifications in these 
operating instructions. 
The HMI device is designed for weatherproof and stationary operation according to 
IEC 60721.