SECTION 12—HEAT EXCHANGER ASSEMBLY
Part No 1148070 51 Perfecto2™
SECTION 12—HEAT EXCHANGER ASSEMBLYReplacing Heat Exchanger Assembly
DANGER
Topreventelectricalshock,ALWAYSdisconnectconcentratorfromelectricaloutlet
beforeservicing.
NOTE:Forthisprocedure,refertoFIGURE 12.1onpage 52.
NOTE:Theheatexchangerassemblycontainsthreecomponents:heatexchanger,nineinchvinyl
tubeandconnectingcomponent.
1. Unplugunit.
2. Removecabinet.RefertoRemovingCabinetonpage 23.
CAUTION
Usecarenottodeformheatexchangerwheninstalling,removingorcleaning.
3. Disconnectbrassnutthatsecurestheheatexchangerassemblytothecompressor
(Detail“A”).
4. OnthebacksideofthePerfecto2,loosentheclampthatsecuresthevinyltubetothe
manifoldassemblyandremovethevinyltubefromthemanifoldassembly.(Detail
“B”).
5. Remove���heatexchangerassemblybypullingvinyltubethroughsoundbox.
6. ReverseSTEPS3‐5toinstallnewheatexchanger.
7. Rununitandcheckforleaks.RefertoLeakTest onpage 76.
8. Reinstallcabinet.RefertoRemovingCabinetonpage 23.