LG A8UW54GFA0 Installation Manual page 45

Distributor type Models
Additional charge (oz) = (( Total Main piping Length - Main Standard Length ) x 0.55
h CF = Max. number of connectable indoor unit – Total number of connected indoor unit
Ex) A8UW54GFA0, A8UW60GFA0
A
A
C
a
18k
B
h If the total additional charge value after calculation comes out to be negative, then do not consider
additional charge.
+ (A Room Branch Length – Standard Length ) x 0.22
+ (B Room Branch Length – Standard Length ) x 0.22
+ (C Room Branch Length – Standard Length ) x 0.22 +.. )
- CF(Correction Factor) x 3.53
• Total main pipe(A+B+C)=98ft
• Each branch pipe
v Additional Charge
b c
9k 9k
e
d
18k
9k
a = 33 ft
b = 26 ft
c = 16.4 ft
d = 10 ft
e = 33 ft
= ((98-16.4)×0.55 + (33-16.4)×0.22
+ (26-16.4)×0.22 + (16.4-16.4)×0.22
+ (10-16.4)×0.22 + (33-16.4)×0.22)
- (8-5)×3.53 = 42.3 oz
Charging
Installation Manual 45