4 Electrical and control settings
Unit electrical wiring and connection
SMGB0099 rev.0 - 12/2016
154
4.1.13 DX-Interface electrical wiring
• Connect the electrical wires between the indoor unit and the outdoor unit, as shown in the next diagram.
• Follow the local codes and regulations when performing the electrical wiring.
• Use shielded wires for intermediate wiring to protect the units from noise obstacle at length of less than 300 m and
size in compliance with local codes.
• In the event that a conduit tube for eld-wiring is not used, x rubber bushes to the panel with adhesive.
• All the eld wiring and equipment must comply with local and international codes.
• When a cable gland is not used, it must be sealed properly in order to ensure the correct control box sealing.
! CAUTION
Pay attention to the connection of the operating line. Incorrect connection may cause PCB failure.
? NOTE
Packing gland diameter specication: 6.0 mm (min) to 12.0 mm (max). If needed, install additional tube insulation or wind with insulation
tape around the wire to make the wire thicker.
Control box terminal board
DX-Interface EXV-(2.0-10.0)E2
Terminal board 1
Terminal board 2
(*)
? NOTE
(*) Packing gland for thermistor installation.
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