8
Air Conditioner
Installation of Indoor, Outdoor Unit
3. Piping length and the elevation
Gas
Liquid
Standard
Max.
Standard
Max.
UU12
3/8”(9.52mm) 1/4”(6.35mm)
5
15
2
10
20
UU18
1/2”(12.7mm) 1/4”(6.35mm)
5
50
2
30
35
UU24
5/8”(15.88mm) 3/8”(9.52mm)
7.5
40
2
30
45
UU30
5/8”(15.88mm) 3/8”(9.52mm)
7.5
50
2
30
45
UU37
5/8”(15.88mm) 3/8”(9.52mm)
7.5
50
2
30
45
Capacity
Pipe Size
Length A(m)
Elevation B(m)
*Additional
(Diameter:Ø)
refrigerant(g/m)
Oil trap
Gas piping
Liquid piping
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
*15m
* Install trap at each
difference in height
15m
A trap is not necessary when the
outdoor unit is installed in a higher
position than the indoor unit.
CAUTION:
• Rated performance for refrigerant line length of:7.5m(UU12, UU18 : 5m)
• Capacity is based on standard length and maximum allowance length is on the
basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
Summary of Contents for UU12
Page 46: ...46 Air Conditioner ...
Page 47: ......