LINE SET

IMPORTANT — Refrigerant lines must not contact structure.

 

INSTALLATION

 

Line Set Isolation — The following illustrations are

REFRIGERANT LINE SET — INSTALLING

VERTICAL RUNS (NEW CONSTRUCTION SHOWN)

examples of proper refrigerant line set isolation:

 

REFRIGERANT LINE SET — TRANSITION

FROM VERTICAL TO HORIZONTAL

ANCHORED HEAVY NYLON

 

WIRE TIE OR AUTOMOTIVE

AUTOMOTIVE

MUFFLER‐TYPE HANGER

MUFFLER‐TYPE HANGER

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.

IMPORTANT — Refrigerant lines must not contact wall

OUTSIDE WALL

VAPOR LINE

LIQUID LINE

 

 

 

WALL

STUD

STRAP LIQUID LINE TO

VAPOR LINE

LIQUID LINE

NON-CORROSIVE

METAL SLEEVE

VAPOR LINE - WRAPPED

IN ARMAFLEX

REFRIGERANT LINE SET — INSTALLING

HORIZONTAL RUNS

To hang line set from joist or rafter, use either metal strapping material or anchored heavy nylon wire ties.

WOOD BLOCK

BETWEEN STUDS

WIRE TIE

INSIDE WALL

STRAP

NON-CORROSIVE

METAL SLEEVE

WIRE TIE

WOOD BLOCK

WIRE TIE

STRAP

SLEEVE

 

WIRE TIE (AROUND

 

VAPOR LINE ONLY)

8 FEET (2.43 METERS)

 

STRAPPING

 

MATERIAL (AROUND

 

VAPOR LINE ONLY)

 

FLOOR JOIST OR

 

ROOF RAFTER

TAPE OR

 

 

WIRE TIE

VAPOR LINE WRAPPED

WITH ARMAFLEX

OUTSIDE

WALL

LIQUID LINE

TAPE OR

WIRE TIE

FLOOR JOIST OR ROOF RAFTER

8 FEET (2.43 METERS)

NON-CORROSIVE

METAL SLEEVE

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.

PVC

CAULK

PIPE

 

FIBERGLASS

INSULATION

NOTE — Similar installation practices should be used if line set is to be installed on exterior of outside wall.

FIGURE 5

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13ACX SERIES

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Image 3
Lennox International Inc Merit Series Air Conditioner, 506945-01 Installation, Refrigerant Line SET Installing