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3. Installation of outdoor unit
3.11.2 Air flow rate confirmation
Example. 1
n Application Model : A7UW40GFA0 [FM40AH UO2] Airflow rate 90 m
[Total opening rate]
Air guide duct
390mm
n Louver total dimension (excluding frame)
n Louver shielding dimension by product
n Suction able louver dimension
n Equivalent suction dimension (Opening rate 80%)
n Equivalent suction air volume
n Required air volume / equivalent volume
71 _ Heat pump
50Hz/R410A
3
/min
n Case : velocity of discharging air: 5m/s,
n Openness rate = 80% or more
h Openness rate =
n Air guide of discharging air part should be equipped.
165mm
165mm
620mm
(A) = 1.2 m x 1.9 m = 2.28 m
(B) = 0.95 m x 1.17 m = 1.11 m
(A-B) = 1.17 m
2
= 1.17 m
2
x 0.8 = 0.94 m
= 0.94 m
2
x 2.5 m/s x 60s = 141 m
= 141 m
3
/min / 90 m
· OK
velocity of suction air: 2.5m/s
Effective face area(Af)
Total face area(A)
2
2
2
3
/min
3
/min(product airflow rate) = 157 %
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