Procedure to Remove Switch Box Si281314E4 Removal Procedure3. Procedure to Remove Switch BoxProcedure Warning Be sure to wait for 10 minutes or more after turning off all powersupplies before disassembling work.Step Procedure Points Remove the front panel,the suction grille, the toppanel, the side panel, andthe piping cover, followingthe procedure indicated at"Removal of OutsidePanels and RelatedParts". Precaution for theinstallation of the switch box:After restoring each part, fixeach lead wire with theclamps in the same way asoriginally fixed.1 Remove the wirings tothe switch box and therelated parts Remove theconnectors below;• Fan motor(X106A)• Pressurethermistor (X17A)• Coil of four wayvalve (X25A)• Compressor relay(X502A) Remove the partsbelow;• Coil of motoroperated valve(Y1E)• Liquid pipethermistor (R6T)• Suction pipethermistor (R3T)• Discharge pipethermistor (R2T)• Outdoor airthermistor (R1T)• Heat exchangethermistor (R4T)• Thermistor at themidpoint of heatexchange (R5T)∗ When removing, cutthe clamps that fixeach lead wire ofeach part.2 Removing the switchbox Remove 2 screwsthat fix the switchbox. Holding the switchbox, lift upward andremove the 2 hooks(1 right and 1 left)and then pull out.R6T Y1EFan motor (X106A)R1TR2TR3TR5TR4TFor pressurethermistor(X17A)For four wayvalve coil(X25A)For compressorrelay (X502A)HookHookFixing screws