Samsung CNH 4DB Series Technical Data Book page 101

Installation
(Unit: inch (mm))
Indoor Unit
AC power, Communication : M4 screw
1(L) F1 F2
1(L) 2(N) F1 F2
0.54(13.8) 0.41(10.3)
Cable clamp
Tightening torque
Outdoor
Unit
lbf.ft
L F1 F2
1(L)
M3.5 0.8 to 1.2 0.59 to 0.89
M4 1.2 to 1.8 0.89 to 1.1
Cable
Tie
Cable
Power supply cords of parts of appliances for outdoor use
clamp
shall not be lighter than polychloroprene sheathed flexible
cord. (Code designation IEC:60245 IEC 57 / CENELEC:
H05RN-F)
Since it has the external power supply, refer to the
Indoor Power Main power cable Communication cable
outdoor unit installation manual for MAIN POWER.
Indoor power supply
Max/
Power supply Indoor power cable
Min(V)
mm²
±10%
208 to 230V, 60Hz
3 wires
CAUTION
Communication cable
When installing the indoor unit in a computer room or
network room, use the double shielded communication
mm²
cable (tape aluminum / polyester braid + copper) of
FROHH2R type.