Nibe PCBASW TCB S21XX (060189) is a main control PCB (printed circuit board) used in several NIBE heat pumps from the S21XX / S2125 series. It is also known as the Base Card S21XX or GRUNDKORT S21XX.

This board is part of the heat pump’s core electronics and controls major system functions.

Technical details

• Manufacturer: NIBE

• Part number: 060189 (sometimes listed as NE060189)

• Type: Main control board / base PCB

• Designation: PCBASW TCB S21XX

• Function: Controls compressor, sensors, communication, and system logic

 Compatible heat pump models

This PCB is used in several NIBE outdoor units, including:

• NIBE S2125‑8 (230 V or 400 V)

• NIBE S2125‑12 (230 V or 400 V)

• MetroAir S8 / S12

• Inverter Nordic 8R / 12R

Important notes

• The board usually requires installation by a certified NIBE technician.

• After installation, the system may need firmware configuration or commissioning.

• Using the wrong PCB revision can cause system errors.