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Bosch Ductless Training- Rapid City

Wed, Sep 16

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Johnstone Supply- Rapid City

Cost: $125 Core Training Topics, Installation Basics: Wall mounting, flare connections, precise vacuum evacuation, and line-set sizing.

Bosch Ductless Training- Rapid City
Bosch Ductless Training- Rapid City

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

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