Samsung Aj068txj3kg Eu Installation Manual Official

  • Write the added refrigerant amount on the “Additional Charge” label on the unit.

    • Samsung EU units require addressing when multiple indoor units connect to one outdoor.

    The outdoor companion for this indoor unit must have at least 1.5x the indoor capacity. Typical outdoor match: AJ068TXJ3KG/EU is likely the indoor code; outdoor may be UXA or TX Series.

    Airflow clearance:

    The location of the outdoor unit dictates the longevity and efficiency of the system.

  • Perform nitrogen gas leak test (4.0 MPa max).
  • Evacuate system to below –100.7 kPa (5 Pa absolute) for at least 2 hours.

    • Even with the manual, installers often make mistakes on the AJ068TXJ3KG/EU. samsung aj068txj3kg eu installation manual

    | Error | Consequence | Solution | |-------|-------------|----------| | Flare nut cross-threaded | Refrigerant leak within weeks | Cut and re-flare, use torque wrench | | Communication wire reversed (F1/F2 swapped) | E838 error – no communication | Swap wires at outdoor terminal | | No nitrogen flow during brazing | Copper oxide contamination | Replace filter drier, evac system | | Vacuum only 5 minutes | Non-condensables freeze in EEV | Vacuum minimum 60 minutes | | Ground wire missing | Electric shock risk | Mandatory earth connection |

    Apply electronic leak detector or soap bubbles to all flares, brazed joints, and service ports. No bubbles allowed. Write the added refrigerant amount on the “Additional

    Model: AJ068TXJ3KG/EU