17
Single CAC Outdoor Unit
Compact Inverter
7. Capacity Coefficient Factor
7.1 Rate of change in capacity due to the main piping length
Rate of change in cooling capacity
Rate of change in heating capacity
7.2 Calculation of actual system capacity
1. Outdoor unit capacity at Ti, To temperature.
Q
(Ti, To)
[from capacity table]
2. Piping correction factor
F
piping
for piping length [from capacity coefficient factor table]
3. Indoor Unit actual capacity
Q
actual
= T
(Ti, To)
x F
piping
Piping length(m) 5 10 15 20 30 35 40
Rate of change in capacity(%)
5.0/7.0 kW 100 99.3 97.9 96.6 93.8 - -
8.0 kW 100 99.3 97.9 96.6 93.8 92.4 -
10.0 kW 100 99.3 97.9 96.6 93.8 92.4 91.1
Piping length(m) 5 10 15 20 30 35 40
Rate of change in capacity(%)
5.0/7.0 kW 100 99.7 99.2 98.7 97.7 - -
8.0 kW 100 99.7 99.2 98.5 97.7 97.1 -
10.0 kW 100 99.7 99.2 98.5 97.7 97.1 96.6
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