Bosch Ductless Training- Rapid City
Wed, Sep 16
|Johnstone Supply- Rapid City
Cost: $125 Core Training Topics, Installation Basics: Wall mounting, flare connections, precise vacuum evacuation, and line-set sizing.


Time & Location
Sep 16, 2026, 8:00 AM – 12:00 PM MDT
Johnstone Supply- Rapid City, 1962 Deadwood Ave, Rapid City, SD 57702, USA
About the Course
Core Training Topics:
Installation Basics: Wall mounting, flare connections, precise vacuum evacuation, and line-set sizing. Electrical & Inverter Diagnostics: Reading communication wires, testing electronic expansion valves (EEVs), and checking intelligent power modules (IPMs).Refrigerant Handling: Managing exact charge weights, subcooling/superheat on variable-speed compressors, and transitioning to A2L/R32 refrigerants. Advanced Troubleshooting: Interpreting outdoor board error codes and reversing-valve operation