LG UUA1 Series, Owner'S Manual

Page: 16 / 43

16
INSTALLATION OF OUTDOOR UNIT
ENGLISH
• Single Operation
1) Standard Inverter / High Inverter
2) Compact Inverter
* Connector information
If installed tube is shorter than 7.5 m,
additional charging is not necessary.
Additional Refrigerant
= [A-7.5 (m)] x Additional refrigerant (g/m)
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
Piping length and the elevation
ODU
Capacity
(kBtu/h)
Pipe Size mm(inch) Length A(m) Elevation B(m)
Additona
refrigerant
(g/m)
Gas Liquid Standard Max Standard Max
UUA1 9/12 Ø 9.52 (3/8) Ø 6.35 (1/4) 7.5 20 5 15 20
UUB1 18 Ø 12.7(1/2) Ø 6.35 (1/4) 7.5 30 5 30 20
UUC1 24/30 Ø 15.88 (5/8) Ø 9.52 (3/8) 7.5 50 5 30 40
UUD1/UUD3 36/42/48/60 Ø 15.88 (5/8) Ø 9.52 (3/8) 7.5 85 5 30 40
ODU
Capacity
(kBtu/h)
Pipe Size mm(inch) Length A(m) Elevation B(m)
Additona
refrigerant
(g/m)
Connector
Type
Gas Liquid Standard Max Standard Max
UUA1 18 Ø 12.7 (1/2) Ø 6.35 (1/4) 7.5 30 5 30 20 b
UUB1 24/30 Ø 15.88 (5/8) Ø 9.52 (3/8) 7.5 35 5 30 40 a, c
UUC1 36 Ø 15.88 (5/8) Ø 9.52 (3/8) 7.5 50 5 30 40 -
Connector
a b c
Ø 6.35
→
Ø 9.52 Ø 9.52
→
Ø 12.7 Ø 12.7
→
Ø15.88
UUA1
**09F X X X
**12F X X X
**18F X O X
UUB1
**18F X X X
**24F O X O
**30F O X O
ex.) UUA1 + CT18F