1
916330-0
GB
MU 15287 0116
NovAx axial flow fan type ACN-ACW-ARN
Installation and maintenance
1. Application
2. Handling
2.1 Marking
2.2 Weight
2.3 Transport
3. Storage
4. Installation
4.1 Prior to attachment
4.2 Attachment
4.3 Mounting brackets
4.4 Duct connection
4.5 Electric connection
5. Start of operation
5.1 Prior to start of operation
5.2 Motors with Y/
Δ
starting
5.3 Starting procedure
6. Maintenance
6.1 Protection prior to inspection and
maintenance
6.2 Fan casing
6.3 Impeller
6.4 Motor
6.5 Dismounting of motor
6.6 Mounting of motor
6.7 Blade pitch adjustment
6.8 Fault localization
7. Sound
8. Safety
9. Spare parts
10. Patents, trademarks and
copyright
11. Quality management
12. Warranty
13. Declaration of conformity
1. Application
The axial flow fan type ACN, ACW and
ARN are a sturdy standard fans, suitable
for conventional installations for marine
and industrial ventilating applications.
2. Handling
2.1 Marking
The ACN-ACW-ARN fans are provided
with a standard nameplate with Noven-
co's name and address.
It also mentions product type e. g. ACN
1000/380 and serial No. or order No. as
well as fan speed.
A motor nameplate with relevant motor
data is also provided.
2.2 Weight
The total weights shown in figure 1, 2
and 3 apply to axial flow fan type ACN-
ACW. The total weight is determined on
the basis of type/size of fan and maxi-
mum motor size employed and is in
terms of kg.
The motor data is for 4-pole motors (see
fig. 4).
2.3 Transport
The axial flow fan type ACN-ACW-ARN
are delivered on pallets or bearers to al-
low fork-lift transport.
Figure 2. Max. total weights for type ACW (6 mm fan casing, incl. motor, excl. accessories)
Fan
size
Motor size
-71
-80
-90
-100
-112
-132
-160
-180
-200
-225
-250
-280
Hub diameters
16
0, 23
0, 280
, 330
and
38
0
ACW 250
29.5
ACW 315
38.5
42
ACW 400
54.5
58
64
71.5
ACW 500
67.5
71
77
84.5
88
109
ACW 560
96.5
100
106
113.5
117
138
177
ACW 630
105.5
109
115
122.5
126
147
186
244
ACW 710
127.5
131
137
144.5
148
169
208
266
ACW 800
144.5
148
154
161.5
165
186
225
283
ACW 900
172.5
176
182
189.5
193
214
253
311
ACW 1000
206
213.5
217
238
277
335
Hu
b diamet
er
s
4
03 an
d
5
7
8
ACW 900
230
304
362
ACW 1000
291
330
388
430
ACW 1120
287
347
387
445
487
566
ACW 1250
333
397
437
495
537
616
655
ACW 1400
398
512
570
612
690
730
959
ACW 1600
684
763
802
1032
Figure 1. Max. total weights for type ACN (incl.motor, excl. accessories)
Fan size
Motor size
-71
-80
-90
-100
-112 -132 -160 -180 -200 -225 -250 -280
H
u
b dia
m
eters
160,
230,
280,
330 and 380
ACN 250
17.3 / 23
1
1. Weights of fans with spark-proof brass lining are written to the right.
ACN 315
20 / 24
23.5 / 29
ACN 400
33.5 / 40
37 / 43
43 / 48 50.5 / 62
ACN 500
48.5 / 52
52 / 58
58 / 63 65.5 / 77
69
90
ACN 560
61.5
65
71
78.5
82
103
142
ACN 630
66.5
70
76
83.5
87
108
147
205
ACN 710
79.5
83
89
96.5
100
121
160
218
ACN 800
88.5
92
98
105.5
109
130
169
227
ACN 900
104.5
108
114
121.5
125
146
185
243
ACN 1000
150
157.5
161
182
221
279
Hub diameters
403 and 578
ACN 900
165
240
298
ACN 1000
205
244
337
382
ACN 1120
154
215
262
354
410
489
ACN 1250
175
240
278
375
432
510
574
ACN 1400
251
356
414
470
549
623
864
ACN 1600
496
621
660
901
