LG B30AWYN762 Installation Manual page 8

Installation of Indoor, Outdoor Unit
Piping length and the elevation
Pipe Size
Capacity
mm(inch)
(Btu/h)
Gas
30 k 15.88(5/8)
36 k 15.88(5/8)
Indoor unit
B
CAUTION:
• The standard pipe length is 7.5 m and no need to additional charge of
the refrigerant to max 15 m. If the pipe length exceeds 15 m, need to
additional charge of the refrigerant which according to the table.
• If 36 kBtu/h model is installed at a distance of 50m, 1,925g of refrigerant
should be added (50-15) x 50g = 1,750g
• Capacity is based on standard length and maximun allowance length is on
the basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
• Oil trap should be installed every 5~7 meters.
8 Ceiling Concealed Duct Air Conditioner
Liquid Standard
9.52(3/8) 7.5
9.52(3/8) 7.5
A
Outdoor unit
Indoor unit
Length A(m)
Max.
50
50
Outdoor unit
A
B
Elevation B(m)
Standard Max.
5 30
5 30
Oil trap
Indoor unit
If the elevation is more than 5 m
between indoor and outdoor.
*Additional
refrigerant(g/m)
40
50
Outdoor unit
A
B