8
INSTALLATION OF OUTDOOR UNIT
ENGLISH
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
• Capacity is based on 7.5 m and maximum allowance length is on the basis of reliability.
• Improper refrigerant charge can cause abnormal pressure and noise problem.
CAUTION
!
Piping length and the elevation
MODEL
Pipe Size
mm(inch)
Length A
m(ft)
Elevation B
m(ft)
Additional-
Refrigerant
g/m(lb/ft)
Ga
s
Liqui
d
Standard
Max.
Max.
ABUQ09GL1A2 Ø 9.52(3/8)
Ø 6.35(1/4)
20(65.6)
15(49.2)
10(0.067)
Ø 9.52(3/8)
Ø 6.35(1/4)
ABUQ18GL2A2 Ø 12.7(1/2)
Ø 6.35(1/4)
ABUQ24GL3A2 Ø 15.88(5/8) Ø 9.52(3/8)
Additional Refrigerant = (A - C) x Additional refrigerant (g)
(A - C) x Additional refrigerant (lb)
CAUTION
!
ABUQ12GL2A2
7.5(24.6)
50(164)
30(98.4)
30(0.202)
15(49.2)
30(98.4)
7(22.9)
If installed tube is shorter than C, additional charging is not necessary
15(0.101)
20(0.134)
Chargeless
Length C
m(ft)
15(49.2)
7.5(24.6)