Hitachi RCI-4.0FSR - DX-Interface Electrical Wiring

3 Electrical and control settings
Unit electrical wiring and connection
SMGB0137 rev.0 - 05/2021
56
3.1.11 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specication: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
Terminal board 1
Terminal board 2
(*)
? NOTE
(*)Packingglandforthermistorinstallation.