Lennox Elite XP16−024−230 Installation Instructions Manual page 10

Line Set Isolation The following illustrations are examples of proper refrigerant line set isolation:
REFRIGERANT LINE SET
FROM VERTICAL TO HORIZONTAL
ANCHORED HEAVY NYLON
WIRE TIE OR AUTOMOTIVE
MUFFLER-TYPE HANGER
WALL
STUD
NON−CORROSIVE
METAL SLEEVE
REFRIGERANT LINE SET
HORIZONTAL RUNS
To hang line set from joist or rafter, use either metal strapping material
or anchored heavy nylon wire ties.
8 FEET (2.43 METERS)
STRAPPING
MATERIAL (AROUND
VAPOR LINE ONLY)
FLOOR JOIST OR
ROOF RAFTER
NON−CORROSIVE
METAL SLEEVE
TAPE OR
WIRE TIE
FLOOR JOIST OR
ROOF RAFTER
TRANSITION
AUTOMOTIVE
MUFFLER-TYPE HANGER
STRAP LIQUID LINE TO
VAPOR LINE
LIQUID LINE
VAPOR LINE − WRAPPED
IN ARMAFLEX
INSTALLING
WIRE TIE (AROUND
VAPOR LINE ONLY)
TAPE OR
WIRE TIE
8 FEET (2.43 METERS)
STRAP THE VAPOR LINE TO THE JOIST
OR RAFTER AT 8 FEET (2.43 METERS)
INTERVALS THEN STRAP THE LIQUID
LINE TO THE VAPOR LINE.
Figure 7. Line Set Installation
REFRIGERANT LINE SET
VERTICAL RUNS (NEW CONSTRUCTION SHOWN)
NOTE Insulate liquid line when it is routed through areas where the
surrounding ambient temperature could become higher than the
temperature of the liquid line or when pressure drop is equal to or greater
than 20 psig.
OUTSIDE WALL
WOOD BLOCK
BETWEEN STUDS
NOTE Similar installation practices should be used if line set is
to be installed on exterior of outside wall.
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INSTALLING
VAPOR LINE
NON−CORROSIVE
METAL SLEEVE
WIRE TIE
SLEEVE
VAPOR LINE WRAPPED
WITH ARMAFLEX
OUTSIDE
WALL
LIQUID
LINE
PVC
CAULK
PIPE
FIBERGLASS
INSULATION
LIQUID LINE
WIRE TIE
INSIDE WALL
STRAP
WOOD BLOCK
WIRE TIE
STRAP