Lennox Merit 10HPB Series Installation Instructions Manual page 8

Installing Horizontal Runs of Refrigerant Piping
To hang line set from joist or rafter,
use either metal strapping material
or anchored heavy nylon wire ties.
Tape or Wire Tie
8 feet
Floor Joist or
Roof Rafter
Strapping Material (around vapor line only)
Metal Sleeve
Strap the vapor line to the joist or rafter at 8 ft.
intervals then strap the liquid line to the vapor line.
Figure 8
Page 8
Wire Tie
(around vapor line only)
Tape or Wire Tie
8 feet
Floor Joist or Roof Rafter