Hitachi RCIM-1.0FSRE - Test Run; Air Louver Adjustment

3 Electrical and control settings
Unit electrical wiring and connection
SMGB0137 rev.0 - 05/2021
45
3
Followthestepsbelowtoconnecttheearthwiretotheearthconnectionintheelectricalbox:
1 Wherenecessary,loosenthescrewontheearthingconnectionintheelectricalbox.
2 Connect the shielded part of the power supply earth wire and the signal wiring earth wire to the earth connection.
3 Tightenthescrewontheearthingconnectionintheelectricalbox.
4 Checkthattheshieldedpartoftheearthingcablesarecorrectlysecured.
Nº Part
1 Electricalbox
2 Tie
3 Die-cut wiring hole
4 Grille
5 Remote control wiring (optional)
6 Communication wiring
7 Power wiring
Remote control
(PC-ARFP1E)
Power supply wires
(single phase)
Transmission
wires
Earth screw
Cord clamps
Knockouthole
for wirings
Grille
Electricalbox
Test runs
! CAUTION
• Becarefulduringthetestruns,assomeofthesafetyfunctionsremaindisabled:theunitsoperatefortwohourswithoutswitchingo
via the thermostat. The three-minute compressor protection is not enabled during the test.
• Secure the rubber bushes to the panel using adhesive when the outdoor unit ducts are not used.
• The compressor remains at a standstill during forced stoppage.
3.1.6 Electrical connection of RPI 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.