Installing the RTU Open   
 
 
 
 
RTU Open v3    CARRIER CORPORATION ©2019  
Installation and Start-up Guide    All rights reserved 
  6 
 
 
 
 
 
When you handle the RTU Open: 
• Do not contaminate the printed circuit board with fingerprints, moisture, or any foreign material. 
• Do not touch components or leads.  
• Handle the board by its edges. 
• Isolate from high voltage or electrostatic discharge.  
• Ensure that you are properly grounded. 
We highly recommend that you mount the RTU Open in the unit control panel!
 
 
 
 
When you mount the RTU Open: 
• Do not locate in an area that is exposed to moisture, vibration, dust, or foreign material.  
• Follow NEC and local electrical codes. 
• Do not obstruct access for unit maintenance. 
• Protect from impact or contact during unit maintenance.