4. Dimensional Drawing
CNH09NDB(AC009BNNDCH/AA), CNH12NDB(AC012BNNDCH/AA), CNH18NDB(AC018BNNDCH/AA)
Units : mm [inches]
NOTE
• As for suspension bolt, please use M8 ~ M10.
(Procured at local site)
Wind-Free 4Way Cassette (600x600)
500 [19-13/16]
500 [19-13/16]
580~585 [22-13/16~23-1/16]
580~585 [22-13/16~23-1/16]
[Suspension position]
[Suspen
sion position]
575
150
138 [5-7/16]
80 [3-1/8]
80 [3-1/8]
41 [1-5/8]
235
183
172
300
137
575 [22-5/8]
120 [4-1
1/16]
22.5 [7/8]
312
22.5 [7/8]
381 [15]
620 [24-3/8]
620 [24-3/8]
381 [15]
66 [2-5/8]
Adjustable
(until 550mm)
165
225
51
140
188
207
249
269
212 [8-5/16]
5
[6-3/4]
[22-5/8]
[5-15/16]
250
M4 Screw
[11-13/16]
[5-7/16]
[8-7/8]
3
1
2
4
[6-1/2]
[9-13/16]
Adjustable
(until 21-5/16 inch
es)
[9-1/4]
[7-3/16]
[12-5/16]
[9-13/16]
[2]
[5-1/2]
[7-3/8]
[8-1/8]
[10-9/16]
[Ce
ilin
g opening]
[Ceiling opening]
No.
Name
Description
CNH09/12NDB (AC009/012BNNDCH/AA) CNH18NDB (AC018BNNDCH/AA)
1
Liquid pipe connection
Φ
6.35mm(1/4")
2
Gas pipe connection
Φ
9.52mm(3/8")
Φ
12.7mm(1/2")
3
Drain pipe connection
3/4"[OD26.67mm(1.05")]
4
Power supply & Communication wiring conduit
5
Sub duct connection
Not supported for WindFree models
6
Fresh air intake knockout
Φ101mm(4")
, Use M4 Screw
Φ101 [4]
