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Part Number: 000015430 Rev 02 5/20 113
One Evaporator, Two TXV 48" Models
Tubing routing for one evaporator with two TXV’s is
different. The evaporator has two inlets and outlets. Fill
pattern varies depending on which circuit is affected.
Extremely Thin at the Evaporator Outlet will first be visible
1/3 of the way down the evaporator. Only one side of the
evaporator may be affected depending on failure. A TXV
failure will usually show on only one side, while low on
refrigerant can affect one or both sides depending on the
amount of refrigerant loss and ambient temperature.
Extremely Thin at the Evaporator Inlet will show at the
bottom of the evaporator. Depending on the failure either
the entire bottom of the evaporator or one side of the
bottom of the evaporator may be affected.
Thin at Inlet
Thin at Outlet
ICE
ICE
ICE
Outlet
Inlet
Outlet
Inlet
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