Carrier 38GJt Owner's Manual & Installation Instructions page 13

The outdoor unit is higher than the indoor unit.
Gas pipe
Liquid pipe
4.2.4 Installation of the Refrigerant Pipe Protection Layer
The refrigerant refrigerant pipe should be insulated by the insulating material and plastic tape to prevent
condensation and water leakage.
The joints of the indoor unit should be wrapped with the insulating material.Ensure there is no gap on the joint
of the indoor unit, as shown in Fig.9.
Stop elbow
Outdoor
unit
Oil trap
Oil return trap
The thermal insulating layer is required to be wrapped at this part.
No gap
19.7ft (6m)
19.7ft (6m)
19.7ft (6m)
19.7ft (6m)
19.7ft (6m)
Indoor
unit
Thermal insulating pipe
Fig 9
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