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44 Multi Air Conditioner
Charging
If the total additional charge value after calculation comes out to be negative, then do not consider
additional charge.
A
Ex) A8UW54GFA0
A
B
C
abc
18k 9k 9k
d
e
9k
18k
Distributor type Models
Additional charge (oz) = (( Total Main piping Length - Main Standard Length ) x 0.55
+ (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
CF = Max. number of connectable indoor unit – Total number of connected indoor unit
• Total main pipe(A+B+C)=98ft
• Each branch pipe
a=33ft
b=26ft
c=16.4ft
d=10ft
e=33ft
v Additional Charge
= ((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 = 42.3oz
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