Samsung CNH 4DB Series Technical Data Book page 105

Installation
4 Attach the rubber cap with a screwdriver by turning it to the
right until it fixes to the end of the groove.
5 Check for leakage on both side of the drain outlet.
Pour the water in direction of arrow.
CAUTION
• Make sure that the indoor unit is in upright position when you
pour water to check for leakage. Make sure that the water does
not overflow onto the electrical part.
Connecting the power and communication
cables
CAUTION
• Always remember to connect the refrigerant pipes before
performing the electric connections.
When disconnecting the system, always disconnect the
electric cables before disconnecting the refrigerant pipes.
• Always remember to connect the air conditioner to
the grounding system before performing the electric
connections. Use a crimp ring terminal at the end of each
wire.
The indoor unit is powered through the outdoor unit by means
of a H05 RN-F connection cable (or a more power model), with
insulation in synthetic rubber and a jacket in polychloroprene
(neoprene), in accordance with the requirements specified in the
standard EN 60335-2-40.
1 Remove the screw on the electrical component box and
remove the cover plate.
2 Route the connection cord through the side of the indoor
unit and connect the cable to the terminals refer to the figure
below.
3 Route the other end of the cable to the outdoor unit through
the ceiling & the hole on the wall.
4 Reassemble the electrical component box cover, carefully
tightening the screw.
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.
Direction of the drained water
Indoor Unit
1(L) 2(N) F1 F1 F2
Outdoor
Unit
1(L) 2(N) L
N
Cable
Tie
Indoor Power Main power cable
Indoor power supply
Max/
Power supply
Min(V)
±10%
208 to 230V, 60Hz
Communication cable
mm²
AC power, Communication : M4 screw
1(L) 2(N) F1 F1
0.40(10.1)
0.45(11.4)
Tightening torque
M3.5 0.8 to 1.2
M4 1.2 to 1.8
• 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.
Cable clamp
F1 F2
Cable
clamp
Communication cable
Indoor power cable
mm²
3 wires
(Unit: inch (mm)
F2
lbf.ft
0.59 to 0.89
0.89 to 1.1