LG A8UW54GFA0 Installation Manual page 12

Installation of Indoor, Outdoor Unit
Calculation method for total capacity index = sum up the capacity index of connected indoor units.
h Total capacity index = [Sum of all VAHU & Ceiling Concealed Duct (High Static) type indoor units capacity (if
any)] x 1.3 + Sum of all other indoor unit's capacity
h The multiplier(1.3) is only necessary for calculation of combination ratio.
h For combinations where it contains one of below conditions, multiplier is 1.2 instead of 1.3. (See example 3)
1) ONE 24 k high static ducted unit/VAHU AND ONE 24 k high static ducted unit/VAHU
2) ONE 24 k high static ducted unit/VAHU AND ONE 36 k high static ducted unit/VAHU
Indoor unit Capacity (kBtu/h class)
7, 9, 12, 15
15(Console), 18, 24
36
!
CAUTION
Capacity is based on standard length and maximum allowance length is on the
basis of reliability.
12 Multi Air Conditioner
Gas
9.52(3/8)
12.7(1/2)
15.88(5/8)
A
h1
B
Multiple Piping Type
Pipe Diameter
Unit : mm(inch)
Liquid
6.35(1/4)
6.35(1/4)
9.52(3/8)
h2