Hitachi UTOPIA RAS-4HVRP2E - Disassembly; Assembly the Electrical Components for RAS-(4-6)HV(R;N)(C;P)2 E

9 Servicing
RAS-(4-6)H(V)(R/N)(C/P)2E
SMGB0136 rev.0 - 07/2021
199
9
15 Remove all used protections and wet cloths.
16 Move the cables until they are the same as they were originally.
17 Assembly the solenoid valve coil -1- according to the item “9.3.11Removingsolenoidvalvecoil(SVA)”.
18 Charge new refrigerant according to the item “3.4Refrigerantcharge”.
19 Assembly the electrical box according to the item “9.3.6Removingelectricalbox”.
20 Assembly the service cover according to the item “9.3.1Removingservicecover”.
9.3.15 Disassembly / Assembly the Electrical components for RAS-(4-6)HV(R/N)(C/P)2E
! DANGER
Check that all the LEDs on the inverter PCB (PCB2) are OFF. If necessary, wait a few minutes until all the LEDs are completely
switched OFF.
! CAUTION
• WhenattachingthePCB,orwhenattachingthepartsattachedtothePCB,payattentionnottoclampanywiringbetweenplatesor
electricalcomponents.
• Toconnectwiringatreassembling,ensurethattheterminalnumbersandwiringmarkbandcodesarematched.Ifconnectionsare
wrong,thereisthepossibilityofwrongoperationandtocausedamagetoelectricalparts.

Opening / Closing Electrical box (P plate)
1 Disassembly the service cover according to the item “9.3.1Removingservicecover”.
2 Remove the xing screw -1- of the electrical box upper support -2-.
3 Remove the 4 xing screws -4- of the electrical box.
4 Disassembly the more convenient cover to access inside the electrical box and cut the plastic ties -3- that xes the
lead wire to the upper support.
- Upper cover according to the item “9.3.3Removinguppercover”.
- Rear cover according to the item “9.3.4Removingbottomservicecoverandrearcover”.
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3
1
4
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5 Open the P plate turning it clockwise approximately 90°.
6 Close the P plate turning it counter clockwise.
7 Fix the lead wire to the upper support with two plastic ties as it was originally.
8 Assembly the cover removed on Step 4.
9 Assembly the service cover according to the item “9.3.1Removingservicecover”.