Hitachi RPI-4.0FSN4E Service Manual

4 Electrical wiring
135
4
SMGB0077 rev.0 - 01/2013
C A U T I O N
• Riskofre:cablesmustnevertouchtherefrigerantpipes,printedcircuitboards(PCB),sharpedgesorelec-
trical components inside the unit to avoid damaging them.
• Loose connection terminals may lead to cable and terminal overheating. The unit may operate incorrectly,
leadingtoariskofre.Checkthatthecablesarermlysecuredtotheconnectionterminals.
Electrical connection
Check that the power supply for the RCD indoor unit is 220 - 240 V.
If not, replace connectors CN27 and CN28 on the TF transformers
in the electrical box.
Follow the steps below to connect the remote control cable or the
optional extension wire:
1 Pass the cable through the knockout hole in the cabinet.
2 Connect the cable to terminals A and B of the terminal strip
(TB2).
3 Tighten the screw on terminals A and B.
4 Check that the cables are correctly secured.
Follow the steps below to connect the power cables to the terminal strip (TB1):
1 Where necessary, loosen the screws on terminals L1 and N on the terminal strip (TB1)
2 Connect the power cables to terminals L1 and N.
3 Tighten the screws on terminals L1 and N.
4 Check that the cables are correctly secured.
Follow the steps below to connect the communication cables between the outdoor and indoor unit to the terminal strip
(TB2):
1 Where necessary, loosen the screws on terminals 1 and 2 on the terminal strip (TB2).
2 Connect the communication cables to terminals 1 and 2.
3 Tighten the screw on terminals 1 and 2.
4 Check that the cables are correctly secured.
Nº Part
1 Control Cable
2 Remote Control Cable
3 Power Source Cable
4 Earth Screw
1
2
3
4
1N 220-240V/50Hz

Hitachi RPI-4.0FSN4E Specifications

General

Brand	Hitachi
Model	RPI-4.0FSN4E
Category	Air Conditioner
Language	English