Hitachi RCIM-1.0FSRE - Electrical Connection Of Rpf(I) Units

3 Electrical and control settings
Unit electrical wiring and connection
SMGB0137 rev.0 - 05/2021
52
3.1.8 Electrical connection of RPF(I) units
Work prior to the electrical connection
1 Turno󰀨thepowersupplyswitchesbeforestartingworkandttheappropriatelocksandsafetywarnings.
2 Wait5minutesafterturningo󰀨thepowersupplyswitches.
3 Checkthatthefansontheindoorandoutdoorunitsareatastandstillbeforestartingwork.
? NOTE
• Theelectricalpowerfortheunitmustinvolveaspecicpowerline,withanexclusivepowercontrolswitchandresidualcurrentbreaker,
installed in line with local or national safety regulations.
• Checkthattheelectricalpowerlinehasenoughcapacitytosupplytheunit.Itslength,thecablediameterandtheirprotection(sleeve
orjacket)mustbeappropriatefortheunit.
• Forfurtherinformation,alwaysconsiderthecurrentregulationsinthecountrywheretheunitistobeinstalled.
! CAUTION
• Riskofre:cablesmustnevertouchtherefrigerantpipes,printedcircuitboards(PCB),sharpedgesorelectrical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RPF/RPFIindoorunitis230V.Ifnot,replaceconnectorsCNontheTFtransformers
intheelectricalbox.
? NOTE
ForRPFunits,thecorrectwiringisconnectedfromtherearleftside.
Wiring
Wall
Side
cover
Front
cover
Opening
(rear)
Electricalbox
? NOTE
ForRPFIunits,thecorrectwiringisconnectedfromtherearrightside.
Wiring
Wall
Front cover
Electricalbox
Open the front and side panels.
? 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 communication line.