LINE SET |
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IMPORTANT Refrigerant lines must not contact structure. |
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INSTALLATION |
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Line Set Isolation |
| REFRIGERANT LINE SET ALLING | ||
| VERTICAL RUNS (NEW CONSTRUCTION SHOWN) | |||
examples of proper refrigerant line set isolation: | ||||
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REFRIGERANT LINE SET
FROM VERTICAL TO HORIZONTAL
ANCHORED HEAVY NYLON |
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WIRE TIE OR AUTOMOTIVE | AUTOMOTIVE |
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 |
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WALL
STUD
STRAP LIQUID LINE TO
VAPOR LINE
LIQUID LINE
NON−CORROSIVE
METAL SLEEVE
VAPOR LINE − WRAPPED
IN ARMAFLEX
REFRIGERANT LINE SET ALLING
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) |
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STRAPPING |
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MATERIAL (AROUND |
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VAPOR LINE ONLY) |
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FLOOR JOIST OR |
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ROOF RAFTER | TAPE OR |
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| 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 | ||
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FIBERGLASS
INSULATION
NOTE
to be installed on exterior of outside wall.
WARNING Polyol ester (POE) oils used with HFC−410A refrigerant absorb moisture very quickly. It is very important that the refrigerant system be kept closed as much as possible. DO NOT remove line set caps or service valve stub caps until you are ready to make connections.
Figure 5. Line Set Installation
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