Hitachi RCIM-1.0FSRE - Cable Connection; General Cable Connection Information; Indoor Unit Cable Connections

3 Electrical and control settings
Unit electrical wiring and connection
SMGB0137 rev.0 - 05/2021
41
3
Electrical connection
Maketheconnectionbetweentheindoorunitandtheairpanel.
? NOTE
• Topreventthescrewsfromfallingfromtheterminalbox,donotremovethemcompletely,holdontotheterminalandcheckthatthe
screw is secure through the hole in the terminal.
• Usethefollowingscrewsfortheterminalbox:
- M4 screw for the power supply.
- M3.5 screw for the operating line.
Electricalbox
Remote control switch cable
Control cable
Power source cable
Indoor unit
Air panel
Cable for auto swing motor
Wire clamp
Electricalbox
Wire clamp
Air panel
Indoor unit
Connector (CN17)
Earth
screw
Control cable
Remote control
switch cable
Power
source cable
PCB
Cable for auto
swing motor
Terminal Board 1 Terminal Board 2
-
S/NR/L1
Terminal board for Power source cable
AB
12
Terminal board for Control source cable
Followthestepsbelowtoconnecttheremotecontrolcableortheoptionalextensionwire:
1 Passthecablethroughtheknock-out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):
! CAUTION
• Toconnectapowersupplywithneutral,connectthecablestoterminalsL1andNontheterminalstrip(TB1).
• Toconnectapowersupplywithoutneutral:maketheconnectiontoterminalsL1andL2ontheterminalstrip(TB1).
1 Where necessary, loosen the screws on terminals L1 and N or L1 and L2, as applicable, on the terminal strip (TB1).
2 Connect the power cables to terminals L1 and N or L1 and L2, as applicable.
3 Tighten the screws on terminals L1 and N or L1 and L2, as applicable.
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.