1
924714-0
GB
MU15664 0118
ZerAx axial flow fan types AZN ATEX and AZN-AZW EX
Installation and maintenance
1. Application
2. Handling
2.1 Marking
2.2 Weight
2.3 Temperature
2.4 Transport
3. Storage
4. Installation
4.1 Preparing for installation
4.2 Installation
4.3 Support frame for AZN
4.4 Duct connection
4.5 Electric connection
5. Start of operation
5.1 Prior to start-up
5.2 Motors with Y/
Δ
-starting
5.3 Start-up procedure
6. Maintenance
6.1 Prior to inspection and maintenance
6.2 Cleaning
6.3 Vibration levels
6.4 Fan casing
6.5 Rotor
6.6 Motor
6.7 Dismounting of motor
6.8 Mounting of motor
6.9 Troubleshooting
7. Inspection and test
8. Sound
9. Safety
10. Trademarks, patents and copy-
right
11. Quality and environment
12. Warranty
13. Spare parts
14. Declaration of conformity for
AZN ATEX
15. Declaration of conformity for
AZN EX and AZW EX
1. Application
The axial flow fan types AZN and AZW
are for duct installation in land and
marine environments, respectively.
ATEX fans are category 2G/D
equipment. EX fans are non-sparking
fans.
The fans are produced in accordance
with the governing directives and
guidelines for ATEX and EX equipment.
For ATEX fans this include directive
ATEX 2014/34/EU, with further
approval for use in conformity with EU/
99/92 ATEX 137.
2. Handling
2.1 Marking
The ATEX and EX fans are designed for
operation under predetermined
conditions. The conditions applicable to
the fans are written on the fan type signs.
ZerAx AZN ATEX fans are marked
“CE
II 2G c Ex de IIC T4” or
“CE
II 2D c Ex tb IIIC T135”.
Important:
The intended use of ATEX
fans exclude
environments
characterised by anyone of
the following conditions;
adiabatic compression and
shock waves, lightning,
electromagnetic waves,
ionising radiation and
ultrasound.
Important:
Verify that the fan marking
corresponds to the
intended use, e.g. correct
zone, inlet temperature or
gas group.
Fan size
ØD, [mm]
Motor sizes
-90
-100
-112
-132 F
-160
-180
-200
-225
-250
-280
Hub di
am
et
e
r
35
0
500
48.3
48.3
48.3
48.8
51.2
50.3
560
52.3
52.3
52.3
52.8
55.2
54.3
630
57.4
57.4
57.4
57.9
60.3
59.4
710
62.9
62.9
62.9
63.4
65.8
64.9
800
68.7
68.7
68.7
69.2
71.6
70.7
900
75.2
75.2
75.2
75.7
78.1
77.2
1000
81.1
81.1
81.1
81.6
84.0
83.1
1120
87.8
87.8
87.8
88.3
90.7
89.8
1250
94.6
94.6
94.6
95.1
97.5
96.6
Hub di
am
et
er
56
0
1000
221.2
222.5
221.6
223.8
229.4
1
228.8
1
231.5
1
1120
250.9
252.1
251.2
253.5
259.0
1
1.Includes an obligatory extension duct.
258.5
1
261.1
1
1250
271.2
272.5
271.6
273.8
279.4
1
278.8
1
281.5
1
1400
298.1
299.4
298.5
300.8
306.3
305.7
308.4
1600
334.2
335.5
334.6
336.9
342.4
341.9
344.5
1800
367.4
368.7
367.8
370.1
375.6
375.1
377.7
2000
399.4
400.7
399.8
402.1
407.6
407.1
409.7
Table 2.
Maximum total weights for AZN ATEX and AZN EX fans in kg, excl. motors and
accessories
Fan size,
ØD, [mm]
Motor size
-90
-100
-112
-132
-160
-180
Hub diamete
r
35
0
500
114.0
129.1
136.6
191.1
231.8
292.2
560
126.3
141.4
148.9
203.4
244.1
304.5
630
138.1
153.2
160.7
215.2
255.9
316.3
710
150.7
165.8
173.3
227.8
268.5
328.9
800
165.2
180.3
187.8
242.3
283.0
343.4
900
181.0
196.1
203.6
258.1
298.8
359.2
1000
196.3
211.4
218.9
273.4
314.1
374.5
1120
222.6
237.7
245.2
299.7
340.4
400.8
1250
242.7
257.8
265.3
319.8
360.5
420.9
Table 3.
Max. total weights for AZW EX fans in kg, excl. motors and accessories
1
1.Weights are without the weight of the spark proof lining. This adds up to
7 kg extra for the biggest fan sizes.
