26
Connecting the connection cord
• 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.
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.
Indoor Power supply
Communication Cable
Power Supply
Max/Min(V)
Indoor Power cable
220-240V~/50Hz
±10%
0.75~1.5mm²,3wires
0.75~1.25mm²,2wires
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.
Run transmission wiring between
the indoor and outdoor units through a conduit to protect against external forces,and feed the
conduit through the wall together with refrigerant piping.
Wiring diagram
1 phase
1(L) 2(N)
N
L
Indoor Unit
Main power cable
Cable clamp
Indoor Power
Communication cable
1(L)
F2
F1
2(N)
Cable tie
Between Indoor and Outdoor Connection cable Specifications(Common in use)
Terminal Block SPEC (Indoor)
When installing the indoor unit in a computer room, use the double shielded(Tape alumi-
num / polyester braid + copper)cable of FROHH2R type.
AC POWER : M4 SCREW
COMMUNICATION : M4 SCREW
8.4
8.4
9.5
9.5
10
10
INV HSP MA DUCT_DB98-33882A.indd 26
2011-5-31 18:54:36
