27
4.2.3. With Side Flow Return Fan
ROOF CONNECTOR WITH SIDE OUTPUT AND AXIAL RETURN FAN
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
710
710
710
710
710
710
710
F
780
780
780
780
780
780
780
G
800
800
800
800
800
800
800
K1
450
450
450
450
450
450
450
K2
485
485
700
700
860
860
1100
K3
575
575
575
575
575
575
575
K4
625
625
707
707
765
765
840
S1
675
675
675
675
675
675
675
S2
795
795
900
900
975
975
1070
①
Duct connection space of absorption air
②
Alternative duct connection of blow air 1
③
Alternative duct connection of blow air 2
④
Access panel of return fan
⑤
Exhaust gravity damper
⑥
=
④
⑦
Axial return fans
⑧
Roof Connection’s mounting holes on the
ground
⑨
Balance connection extension
⑩
Partition metal sheet of absorption and blow
air