27
Figure 23. Connecting Manifolded Units
Connecting Manifolded Units
• See the instruction manual included with the
branch pipe kit for detailed connection informa-
tion.
• Connect the branch pipes between outdoor units
so that they are horizontal level ±10°.
• Do not install outdoor unit branch pipes vertically.
• Do not allow pipe to block outdoor unit access
panels.
• Install a reverse trap if needed.
NOTE - Outdoor unit is shipped for bottom pipe
entry. For front pipe entry installation, use parts in
accessory bag.
10°
10°
CorrectWrong
Horizontal surface
NOTE - All the outdoor units manifolded together should be installed at the same elevation.
• Branch kits include pipes with graduated diam-
eters. The piping can be cut to suit the installa-
tion needs.
• Use a pipe cutter designed for refrigeration tub-
ing.
• Discard unused pipe.
• Refer to the Lennox VRF Selection Software
(LVSS) pipe sizing diagram to obtain the correct
inlet and outlet sizes for the installation.
• Keep all components sealed until brazing.
√ Correct way
√ Correct way
X Wrong way
X Wrong way
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