Disassembly and Maintenance: Outdoor Units ESIE05-035–14 Part 5 – Disassembly and Maintenance31551.2.8 Removal of Four Way ValveWarning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.ProcedureStep Procedure PointsP Remove the parts related tothe outside panel and theswitch box in accordance withthe Removal Procedure forOutside Panel and others.P Check to be sure there are nomore refrigerants left in theunit before starting thisremoval.P In order to prevent a gaswelding flame from havinginfluence on other pipes,protect them with a sheet oriron plate used for weldingoperation.P Caution:While in installation of the fourway valve, in order to preventthe main unit from reaching atemperature of 120°C or more,expose the valve to a flamewhile cooling it with a wet rag.1 Unscrew a single screwthat fixes the coil of thefour way valve and thenremove this coil.2 Strip off the brazedsections in four places onbody of the four wayvalve and then removethis body.