Si18-201 Installation
Caution Before Operation 345
(C) Where there are obstacles on both suction and discharge sides:
Pattern 1 Where the obstacles on the discharge side is higher than the unit:
• No obstacle above
• Obstacle above, too
The relations between H, A and L are as follows:
Close the bottom of the installation frame to prevent the discharged
air from being bypassed.
Pattern 2 Where the obstacle on the discharge side is lower than the unit:
• No obstacle above
• Obstacle above, too
The relations between H, A and L are as follows:
Close the bottom of the installation frame to prevent the discharged
air from being bypassed.
(D) Multiple rows of series installation (on the rooftop, etc.)
LA
L ≤ H
0 < L ≤ 1/2H 750
1/2H < L 1000
H
<
L Set the stand as: L ≤ H
LA
L ≤ H
0 < L ≤ 1/2H 100
1/2H < L 200
H < L Set the stand as: L ≤ H
500
or more
100
or more
500 or less
200 or more
A
1000 or more
H
L
500 or more
100 or more
500 or less
500 or more
A
1000 or more
H
L
5
00
o
r m
o
re
20
0
o
r m
o
re
10
00
o
r m
ore
1
00
o
r m
ore