Johnson Controls HVWHP072B32S - Page 174

4-24
SM-18006
MAINTENANCE
(10) Drawouttheheatexchangerassemblytothefrontsideofunit.
(11) DisconnecttheHEXrefrigerantinletpipeandoutletpipefromplateheatexchanger.Removethe
pipingfromthebrazingpart.
(12) RemovefoursecuringscrewsanddisassembletheHEXplates.
(13) CoverthenewplateheatexchangerwithHEXinsulation.
(14) Assembleinreverseorder.
NOTE:
Whenapplyingthetorchframetopipeconnections,protecttheHEXinsulationagainstburning.
TURN OFF all POWER supply switches.
Tool PhillipsScrewdriver,Torch
Heat Exchanger
Assembly
HEX Insulation
HEX Plate
HEX Plate
Brazing Part
Brazing Part
HEX Refrigerant Inlet Pipe
HEX Refrigerant Outlet Pipe