FTXS09/12DVJU SiUS04-702196 Removal Procedure1.5 Removal of Heat ExchangerProcedure Warning Be sure to wait 10 minutes or more after turning off all power suppliesbefore disassembling work.Step Procedure Points Conduct pump-downoperation. Remove the installationframe from the mountingplate.WarningIf gas leaks, repair the leaklocation, then connect allrefrigerant from the unit.Conduct vacuum drying, andcharge proper amount ofrefrigerant.WarningDo not mix any gas (includingair) other than the specifiedrefrigerant (R-410A) intorefrigerating cycle.(Mixing of air or other gascauses abnormaltemperature rise inrefrigerating cycle, and thisresults in pipe rupture orpersonal injuries.) Pay attention so that theresidual drain will not makea floor dirty. In case that a drain hose isburied inside a wall, removeit after the drain hose in thewall is pulled out.1 Remove the drain hose.Make curing so that theresidual drain water willnot leak out.2 Disengage theinsulation tube anddisconnect the flarenuts for the gas line andthe liquid line. Use two wrenches todisconnect pipe. After pipes aredisconnected, close all pipeopenings with caps toprevent dust and moisturefrom entering pipes.3 Disengage the indoorunit from the installationplate.
