Sanyo SGP-E120J2GU2, User Manual

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Design
D - 18
b) Calculating L
U
Calculating the necessary passage area S(m 2 )
(calculated on the basis that the air flow speed between units or rows is a standard 1.5m/s
)
Calculation of the passage area Sa(m 2 )
■
For an installation on concrete foundation
Sa=[(U
H
+H)×La+0.25La
2
]×2(N-1)
■
For a cat walk installation
Sa=[(U
H
+H)×La+0.25La 2 ]×2(N-1)+2N×U
W
×H
U
+2M×U
D
×H
U
• here air flow to a cat walk is obstructed by a wall
Calculation of the distance between rows
‚k
u
■
For a concrete foundation installation
■
For a cat walk installation
S=
Q
×
N
×
(M-1)
90
5. Criteria for positioning the outdoor unit