Samsung AC024BXUPCH/AA Technical Data Book page 52

11. Installation
Outdoor Units
• Connect the rated cables only.
• Connect using a driver which is able to apply the rated torque to the screws.
• If the terminal is loose, fire may occur caused by arc. If the terminal is connected too firmly, the terminal
may be damaged.
M4
M5
CAUTION
• When connecting cables, you can connect the cables to the electrical part or connect them through the
holes below depending on the spot.
• Connect the communication cable between the indoor and outdoor units through a conduit to protect
against external forces, and feed the conduit through the wall together with refrigerant piping. Remove
• all burrs at the edge of the knock-out hole and secure the cable to the outdoor knock-out using lining
and bushing with an electrical insulation such as rubber and so on.
• Must keep the cable in a protection tube.
• Keep distances of 1.97 inch(50mm) or more between power cable and communication cable.
• When the cables are connected through the hole, remove the Plate bottom.
Outdoor-to-AHU Control Unit communication cable specifications
Power supply
1Φ, 208-230V~, 60Hz
Tightening torque
lbfꞏft
0.87 to 1.30
1.45 to 2.17
Power supply
Max/Min (V)
±10%
Communication cable
18 AWG, 2 wires
Nꞏm
0.8 to 1.2
2.0 to 3.0
Power cable
0.0039 inch² ↑ (2.5mm² ↑), 3 wires