Samsung CNH HDB Series Technical Data Book page 101

Installation
Wall Mounted Type CNH18/24ADB(AC018/024BNADCH/AA)
Outdoor
Unit
Indoor Power
Power supply
208 to 230V, 60Hz
0.0012in² ↑(0.75mm²↑), 2 wires
Indoor Unit
1(L) 2(N) F1 F2
Cable clamp
N
1(L) 2(N) L F1 F2
Cable
Tie
Cable
clamp
Main power cable Communication cable
Indoor power supply
Max/
Indoor power cable
Min(V)
0.0012in² ↑(0.75mm²↑),
±10%
3 wires
Communication cable
AC power, Communication : M4 screw
1(L) 2(N) F1 F2
0.54(13.8) 0.41(10.3)
Tightening torque
N‧m
M3.5 0.8 to 1.2
M4 1.2 to 1.8
(1N‧m=10kgf‧cm)
• Power supply cords of parts of appliances for outdoor use
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
outdoor unit installation manual for MAIN POWER.
CAUTION
• When installing the indoor unit in a computer room or
network room, use the double shielded communication
cable (tape aluminum / polyester braid + copper) of
FROHH2R type.
(Unit: inch (mm))
lbf.ft
0.59 to 0.89
0.89 to 1.1