Lennox XC25 – TYPICAL EXISTING PROCEDURE EXPANSION VALVE REMOVAL PROCEDURE (UNCASED COIL SHOWN)

A. ON FULLY CASED COILS, REMOVE THE COIL ACCESS AND PLUMBING PANELS.

B. REMOVE ANY SHIPPING CLAMPS HOLDING THE LIQUID LINE AND DIS­TRIBUTOR ASSEMBLY.

C. DISCONNECT THE EQUALIZER LINE FROM THE CHECK EXPANSION VALVE EQUALIZER LINE FITTING ON THE VAPOR LINE.

D. REMOVE THE VAPOR LINE SENSING BULB.

E. DISCONNECT THE LIQUID LINE FROM THE CHECK EXPANSION VALVE AT THE LIQUID LINE ASSEMBLY.

F. DISCONNECT THE CHECK EXPANSION VALVE FROM THE LIQUID LINE ORIFICE HOUSING. DO NOT TO TWIST OR DAMAGE DISTRIBUTOR TUBES DURING THIS PROCESS.

G.  REMOVE AND DISCARD CHECK EXPANSION VALVE AND THE TWO TEFLON® RINGS.

­H. USE A FIELD-PROVIDED FITTING TO TEMPORARILY RECONNECT THE LIQUID LINE TO THE INDOOR UNIT’S LIQUID LINE ORIFICE HOUSING.

 

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