Piping Length And The Elevation - LG UU21WH Installation Manual

Precautions when laying power wiring
Use round pressure terminals for connections to the power terminal block.
When none are available, follow the instructions below.
• Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power
wiring may cause abnormal heat.)
• When connecting wiring which is the same thickness, do as shown in the figure below.
W
ARNING:
Make sure that the screws of the terminal are free from looseness.

Piping length and the elevation

Single Operation
Model
Gas
UU21WH
5/8"(15.88mm)
UU24WH
Oil trap
Gas piping
Liquid piping
Outdoor unit
Round pressure terminal
Pipe Size
(Diameter:Ø)
Liquid
3/8"(9.52mm)
Indoor unit
* Install trap at each
difference in height
15m
Power wire
Length A(m)
Standard Max. Standard
10 50
Outdoor unit
Piping length and the elevation
*Additional
Elevation B(m)
refrigerant
Max.
5 30
A trap is not necessary when the
outdoor unit is installed in a higher
position than the indoor unit.
Indoor unit
Installation Manual 33
(g/m)
40