![background image](http://html2.mh-extra.com/html/danfoss/optyma-ico2/optyma-ico2_user-manual_3414537082.webp)
User Guide | Optyma™ iCO2
82 | BC408445719305en-000101
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
2. Disconnect the wires going to control PCB
3. Cut the tie-up band
4. Disconnect the wire going to control PCB
Disconnect CNB1
Disconnect CNX1
Cut the tie-up band
Disconnect CNDR
Disconnect CNB1 connector (Green) and CNX1
connector (Yellow) on the control PCB.
Cut the tie-up band
Disconnect CNDR connector (Red) at the upper left
part of control PCB