LG LAU090HYV - Refrigerant Piping Design; Design Guideline Summary

Due to our policy of continuous product innovation, some specifications may change without notification.
40 |
Art Cool Premier Wall Mounted Engineering Manual
REFRIGERANT PIPING DESIGN
Device Connection Limitations
A Single Zone Art Cool Premier Wall Mount system consists of one outdoor unit and one indoor unit.
Table 11: Art Cool Premier Wall Mount Refrigerant Piping System Limitations
Pipe Length
(ELF = Equivalent Length of
pipe in Feet)
Longest total equivalent piping length
65.6 feet
Shortest total equivalent piping length
6.6 feet
Distance between fittings and indoor or outdoor units
≥20inches
Elevation
(All Elevation Limitations
are Measured in Actual
Feet)
If outdoor unit is above indoor unit
32.8 feet
If outdoor unit is below indoor unit
32.8 feet
One of the most critical elements of a Art Cool Premier Wall Mount system is the refrigerant piping. Table 11 below lists pipe length limits
that must be followed in the design of a Single Zone Wall Mount refrigerant pipe system:
Figure 16: Typical Duct Free Split System Layout

Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
32.81
32.81
65.62
Max Length = A
Max Elevation = B
65.62
Unit = Feet
Duct Free Split System Layout