SCALANCE WxM766 
Operating Instructions, 03/2022, C79000-G8976-C617-03 
37 
Assembly and disassembly 
5.1  Safety notices for installation 
Safety notices 
When installing the device, keep to the safety notices listed below. 
 
 
NOTICE 
Improper mounting may damage the device or impair its operation. 
•  Before mounting the device, always ensure that there is no visible damage to the 
device. 
•  Mount the device using suitable tools. Observe the information in the respective 
section about mounting. 
 
WARNING 
Improper disassembly may result in a risk of explosion in hazardous areas. 
For proper disassembly, observe the following: 
•  Before starting work, ensure that the electricity is switched off. 
•  Secure remaining connections so that no damage can occur as a result of 
disassembly if the system is accidentally started up. 
 
 
CAUTION 
Minimum distance to antennas 
Fit the device so that there is a minimum clearance of 20 cm between antennas and 
persons. 
 
 
WARNING 
If a device is operated at an ambient temperature of more than 60 °C, the temperature 
of the device housing may be higher than 70 °C. The device must therefore be 
installed so that it is only accessible to service personnel or users that are aware of the 
reason for restricted access and the required safety measures at an ambient 
temperature higher than 60 °C.