How to Unlock Keypad & Set Temperature | EVCO EV3B22N7 Controller Tutorial #EVCO

In this video, we explain how to unlock the keypad and set the temperature setpoint on the EVCO EV3B22N7 controller, commonly used in cold rooms, freezers, and chiller applications. 🔹 Learn how to: Unlock and lock the keypad Adjust the temperature setpoint (cooling/freezer/chiller) Understand basic parameter access This tutorial is helpful for HVAC technicians, refrigeration engineers, and cold room operators who face difficulty in changing setpoints or unlocking the EVCO controller. 👉 Watch till the end to avoid mistakes in parameter settings. If you find this video useful, don’t forget to Like 👍, Share 🔄, and Subscribe 🔔 for more HVAC & Refrigeration tutorials.