Friedrich Air Conditioning 68700171 Logic Board 320735-701 The 81602 focuses on the

The 81602 focuses on the rotating assembly

OEM Compatibility: Designed specifically as the drop-in replacement for Field Controls GVD series dampers to ensure seamless electrical and mechanical alignment

By maintaining the correct pressure drop across the evaporator

ensuring the HVAC outdoor unit operates within established safety parameters to prevent electrical overloads and mechanical failure

Will this board work with variable-speed blower motors

Friedrich Air Conditioning 68700171 Logic Board 320735-701 The 81602 focuses on theThe Friedrich 68700171 Logic Board (also identified as PCB Main Logic Board 30132064) serves as the primary processing hub for Friedrich ZoneAire Select and Premier Series PTAC systems. Engineered to manage complex operating sequences, this HVAC control board orchestrates 24 VAC signals to regulate heating, cooling, and fan speeds based on real time sensor feedback. As a genuine Friedrich OEM replacement part, it ensures seamless integration with PZH