Installation Places; Piping Length And The Elevation - LG UU21WH Installation Manual

Installation Places

Installation Places
You need to select adequate installation location considering the following conditions, and make
sure to acquire the consent of the user.
Outdoor unit
• If an awning is built over the unit to prevent direct sunlight
or rain exposure, make sure that heat radiation from the
condenser is not restricted.
• Ensure that the spaces indicated by arrows around
front, back and side of the unit.
• Do not place animals and plants in the path of the warm air.
• Take the air conditioner weight into account and select a place
where noise and vibration are minimum.
• Select a place so that the warm air and noise from the air
conditioner do not disturb neighbors.
• Place that can sufficiently endure the weight and vibration
of the outdoor unit and where even installation is possible
• Place that has no direct influence of snow or rain
• Place with no danger of snowfall or icicle drop
• Place without weak floor or base such as decrepit part of
the building or with a lot of snow accumulation

Piping length and the elevation

Single Operation
Capacity
Gas
3.5 kW Ø9.52(3/8)
5 kW Ø12.7(1/2)
6 kW
Ø15.88(5/8)
7 kW
If installed tube is shorter than 10 m, additional charging is not necessary.
*Additional Refrigerant = ((A) -10) x Additional refrigerant (g)
6
Pipe Size
mm(inch)
Liquid
Ø6.35(1/4)
Ø6.35(1/4)
Ø9.52(3/8)
Indoor unit
A
B
Outdoor unit
More than
300
F e
n c
o b
s t a
Length A(m)
Standard Max.
5 30
5 50
5 50
Outdoor unit
A
Indoor unit
B
O U O U O U
T D T D T D
O O O O O O
U n U n U n
R R R
i t i t i t
More than More than More than
e o
r
c l e
s
More than 600
More than 700
Elevation B(m)
Standard Max.
5 20
5 30
5 30
300 300 300
Unit : mm
Additional
refrigerant
(g/m)
20
20
40