Connecting The Connection Cord - Samsung AC140NN4SEC/TL Manual

Connecting the connection cord

AA
• A lways 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.
• A lways remember to connect the air conditioner to the grounding system before performing
CAUTION
the electric connections.
The indoor unit is powered by the outdoor unit by means of a H07 RN-F connection cable (or a more power model),
with insulation in synthetic rubber and jacket in polychloroprene(neoprene), in accordance with the requirements of 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 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.
Wiring diagram
1 phase
When using for
Indoor Unit
L(L1)
N(L2)
1(L) 2(N) L N
Cable tie
Indoor Power
Main power cable
Cable clamp
 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.
Between Indoor and Outdoor Connection cable Specifications(Common in use)
Power Supply
220-240V~, 50Hz
For connection cable, use the grade H07RN-F or H05RN-F materials.
Screws on terminal block must not be unscrewed with the torque less than 12 kgf•cm.
Since it has the external power supply, refer to the outdoor unit installation manual for MAIN POWER.
When installing the indoor unit in a computer room, use the double shielded(Tape aluminum / polyester braid + copper)cable
of FROHH2R type.
26 English
( 071 )
F2
F1
Communication cable
Indoor Power supply
Max/Min(V)
±10%
When using for 3 phase( 100/140 )
Indoor Unit
L(L1)
N(L2)
1(L) 2(N) L1(R) L3(T)
L2(S)
Indoor Power
3 Phase 4 Wires
power cable
(AC 380V)
Indoor Power cable
1.5mm² , 3wires

F2
F1
N
F1 F2
Cable tie
Cable clamp
Communication cable
Tightening Torque (kgf • cm)
M3 5.0~6.0
M4 12.0~15.0
M5 20.0~25.0
Communication Cable
0.75~1.5mm²,2wires