28
4.2.4. Down Flow Supply
DOWN OUTPUT ROOF CONNECTOR
55
70
90
110
140
180
230
A
1619
1619
1834
1834
1988
1988
2179
B
1366
1366
1748
1748
2358
2358
3081
C
402
402
415
415
640
640
889
D
964
964
1333
1333
1718
1718
2192
E
610
610
610
610
610
610
610
F
700
700
700
700
700
700
700
①
Duct connection space of blow air
②
Duct connection space of absorption air
③
Exhaust gravity damper
④
Balance connection extension