LG A2UW18GFAC Manual page 139

MULTI
Outdoor Unit
6. Capacity Correction Factor
■ Calculation of actual system capacity
1. Outdoor unit rated capacity
Q [from specification table]
odu(rated)
2. Outdoor unit capacity at Ti, To temperature.
Q [from capacity table]
odu(Ti, To)
3. Outdoor unit capacity correction factor
F = Q / Q
(Ti, To) odu(Ti, To)
4. Piping correction factor [from capacity correction factor table]
F for main piping length or elevation
main (length, elevation)
: F
main (length, elevation)
F
branch (length, elevation)
5. Individual indoor unit combinational capacity
Q = Q
idu (combi) odu(rated)
: Q is Capacity of individual indoor unit
idu(rated,each)
: Q is Total sum of individual capacity for connected indoor units
idu(rated,total)
Refer to the 'Specifications' of each indoor units
6. Individual indoor unit actual capacity
Q = Q
idu (actual) idu(combi)
: F
main (length, elevation)
odu(rated)
is used only when the BD (Distributor Box) unit is connected.
for branch piping length or elevation
x Q / Q
idu(rated,each) idu(rated,total)
x F x F
(Ti, To) main (length, elevation)
is used only when the BD (Distributor Box) unit is connected.
x F
branch (length, elevation)
Multiple piping type
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