Choosing the right location for the AJ068TXJ3KG/EU ensures long-term reliability, low operational noise, and ease of maintenance access.

Comprehensive Installation Guide: Samsung Free Joint Multi (FJM) AJ068TXJ3KG/EU

Terminals generally carry power and Samsung's F1/F2 or sub-bus communication signal.

Critical Warning: Never cross-wire the communication lines (e.g., connecting Port A communication to Indoor Unit B). This will result in communication errors (E201) and system malfunction. 6. Pressure Testing, Evacuation, and Charging

Before opening the packaging, ensure the installation site complies with local environmental regulations and safety standards. Because this unit uses R32 refrigerant, specific safety measures must be taken. Safety Warnings

Mount the unit on a solid concrete pad or heavy-duty wall brackets capable of supporting at least double the unit's weight to prevent vibration transfer.

Align the center of the piping flare precisely with the service valve connection.

The following steps provide a general guide for the installation of the Samsung AJ068TXJ3KG EU:

Use a 4-core shielded or unshielded cable with a minimum cross-sectional area of 1.5 mm² . Interconnecting Layout:

During heating, the outdoor unit can accumulate ice, which melts during defrosting and must be drained away.

Charge the system with nitrogen gas to test for leaks at the flare joints.

Use a calibrated torque wrench and a backup spanner to tighten the connection to the exact technical torque specifications: 14 – 18 N·m 9.52 mm (3/8") Pipe: 34 – 42 N·m

Pressurize the piping system with dry nitrogen gas to .