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Important Note for Wiring 4-Way Cassette Type
(1) The power supply inlet is located at the lower area of 
the refrigerant tubing side of the unit. The electrical 
component box is located at the air intake of the bottom 
of the unit.
(2) Before installing the ceiling panel, be sure to carry out 
the wiring connection.
(3) Remove the lid located on the bottom of the indoor unit 
attaching the electrical component box by unscrewing 
the philip head tapping screws (×2).
(4) Lead the wires from the power supply inlet to the unit. 
Be sure to lead the wires through the power supply inlet. 
Make sure that no wire is caught between the indoor unit 
and ceiling panel. Otherwise, the unit may cause a fire.
(5) Connect the wires into the terminals through the power 
supply inlet for the electrical component box. 
Fix the wires with a clamping clip.
(6) Reinstall the lid of the electrical component box in its 
original position with paying attention not to have the 
wires caught in the lid.
Refer to “1-10. Electrical Wiring”.
Power supply inlet
Tapping screw position
SM830211-07PAC-i.indb383SM830211-07PAC-i.indb383 2013/09/1722:48:212013/09/1722:48:21