Samsung Slim Duct CNH LDB Series Technical Data Book page 45

Installation
Duct
AC***BNLDCH
AC power: M4 screw
0.41(10.3) 0.54(13.8)
Tightening torque lbf·ft (kgf • cm)
M3.5
M4
• Power supply cords of parts of appliances for outdoor use
shall not be lighter than polychloroprene sheathed flexible
cord.
–Code designation
[1-phase]
• Be sure to run the power supply cable and the communication
cable through electrical conduit as seen in the picture.
AC***BNLDCH
CAUTION
• Be sure not to put your finger into the conduit.
• 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 a
server room, use the double shielded communication cable
Communication: M3.5 screw
0.40(10.1) 0.45(11.4)
Unit : inch(mm)
0.58 to 0.87 (8.0 to 12.0)
0.87 to 1.30 (12.0 to 18.0)
Conduit