General Index
SMGB0099 rev.0 - 12/2016
XI
9.11.1 Systemdescription .................................................................................................................................... 335
9.11.2 Structureandpartnames .......................................................................................................................... 335
9.11.3 Servicecoverlocation ............................................................................................................................... 335
9.11.4 RemovalofHeatExchanger ...................................................................................................................... 336
9.11.5 Removaloftheairlter .............................................................................................................................. 336
9.11.6 Removaloftheoatswitch(X4Eseriesonly) ........................................................................................... 337
9.11.7 Removalofthedampermotor ................................................................................................................... 338
9.11.8 Removaloftheelectricalbox .................................................................................................................... 339
9.11.9 RemovalofthePCB .................................................................................................................................. 339
9.11.10 Removalofthefanmotor ........................................................................................................................ 340
9.11.11 RemovaloftheDX-CoilModule(X4Eseriesonly) .................................................................................. 341
9.12 DX-Interface ........................................................................................................................................342
9.12.1 Structureandpartnames .......................................................................................................................... 342
9.12.2 Removaloftheelectricalcomponents ...................................................................................................... 342
10. Troubleshooting ..................................................................................................... 343
10.1 Electronicexpansionvalvecheckprocedure ......................................................................................344
10.2 Procedureforcheckingfanmotorsinindoorunits .............................................................................. 344
10.3 Inspectionofothercomponents ..........................................................................................................346
10.4 Outdoor and indoor alarm codes .........................................................................................................347
10.5 DX-InterfaceEXV-(2.0-10.0)E2orKPI-(E/X)4Ealarmcodes..............................................................349
11. Maintenance notes ................................................................................................. 351
11.1 Regularequipmentmaintenance ........................................................................................................352
11.1.1 Necessarytools,equipmentandconsumableforregularmaintenance .................................................... 352
11.2 Indoorcleaning ....................................................................................................................................353
11.2.1 Cleaningthebuilt-in4-wayindoorunitRCI(M) .......................................................................................... 353
11.2.2 Cleaningthebuilt-in2-wayindoorunit(RCD) ........................................................................................... 356
11.2.3 Cleaningofthewall-typeindoorunit(RPK) ............................................................................................... 358
11.2.4 CleaningtheoorconsoleandoorconcealedconsoleindoorunitRPF(I) .............................................. 359
11.2.5 Cleaningoftheceiling-typeindoorunit(RPC) .......................................................................................... 360
11.3 CleaningofKPIunits ...........................................................................................................................363
11.4 Econofreshkit......................................................................................................................................365
11.5 Collectionofrefrigeranttoreplacetheindoorunit...............................................................................365
11.6 Cleaningagentsforheatexchanger ...................................................................................................366
11.6.1 Recommendedspecicationsofcleaningagentsforaluminiumns ........................................................ 366
11.6.2 Particularitiesandbenets ........................................................................................................................ 366
11.6.3 Toconsider ................................................................................................................................................ 366
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