Hitachi UTOPIA RAS-4HVRP2E - Electrical Settings; Outdoor and Indoor Unit Electrical Wiring

4 Electrical and control settings
Electrical settings
SMGB0136 rev.0 - 07/2021
70
4 When routing out cable, make sure that it does not obstruct mounting of the outdoor service cover.
Wiring Method
Keep a distance between each wiring
terminal and attach insulation tape or
sleeve as shown in the gure.
Tape or sleeve
Earth screw
Rear cover
Earth wire
Power supply cable
Control cable
Wiring method with clamp
Insert the wires into the cord clamp and
clamp them as shown in the gure.
Perform wiring so that wires do not touch
the compressor, refrigerant pipes or edge
of the covers.
Make a loop of wires so that disconnecting the
wirings for replacing the parts is not required.
Fasten the wires so that wires do not touch the high
temperature compressor and the other parts.
3
RST
MP
N
Screw (M5)
Screw (M4)
Earth terminal
Communication
wiring
Earth wire
Ring core Yellow
Wind the wire 3 times
and x with tie
Power
source
wiring
Ring core Green
Wind the wire 4 times
and x with tie
RAS-(4-6)HV(R/N)(C/P)2E: 1~ 230V 50Hz
? NOTE
InsertthepowersourcecablesL1andN(for1~230V50Hz)into
theyellowringcore,coilingthemwith3turnsandxthecablesus-
ingthecabletie(accessory).Asshowninnextgure,donotinsert
thecablesfromdifferentsidesintotheringcore.
Insertthegroundcableintothegreenringcore,coilingthemwith4
turnsandxthecablesusingthecabletie.
4.3 Electrical settings
4.3.1 Outdoor and indoor unit electrical wiring
• Ensure proper connection of the electrical wires (indoor unit and the outdoor unit) as show in the gure.
• When installing the electrical wiring, follow local codes and regulations.
• The refrigerant piping and the control wiring are connected to the units in the same refrigerant cycle.
• Open a hole near the connection hole of power source wiring when multiple outdoor units are connected from a
single power source line.
• The recommended breaker sizes are detailed in the Wire size section.
• In the case that a conduit tube for eld-wiring is not used, x rubber bushes with adhesive on the panel.
• All eld wiring and equipment must comply with local and international codes.
! CAUTION
Takecarewiththeconnectionoftheoperatingline.IncorrectconnectionmaycauseafailureofthePCB.