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Novenco ZerAx axial fan types AZL-AZN-AZW

– Installation and maintenance

25 of 30

Appendices

Appendix - A. Max. fan casing weights

Fan sizes.

ØD [mm]

Fan types

AZL

AZN

AZW

1.Weights of AZL fans are the top values in cells with two values.

250

280

315

355

400

450

500

560

105

630

117

710

130

800

144

900

115

160

1000

130

104

175

1120

113

201

1250

123

222

1000

213

288

1120

239

378

1250

239

411

1400

307

452

1600

353

512

1800

383

566

2000

425

619

Table 8.

Max. fan casing weights, excl. motors and accessories [kg]

Содержание ZERAX AZL-AZN-AZW

Страница 1: ...Pure competence in air ENGLISH 922950 0 NOVENCO ZERAX FAN TYPES AZL AZN AZW INSTALLATION AND MAINTENANCE ...

Страница 2: ...or Novenco Building Industry A S Pending patents includeIndiano 821 CHENP 2014and825 CHENP 2014 PCT no EP2012 064908 and EP2012 064928 Granted patents include Brazil no BR 11 2012 008543 3 BR 11 2012 008545 0 BR 11 2012 008607 3 BR 11 2014 002282 8 and BR 11 2014 002426 0 Canada no 2 777 140 2 777 141 2 777 144 2 832 131 and 2 843 132 China no ZL2010800458842 ZL2010800460965 ZL2010800464275 and ZL...

Страница 3: ...e maintenance 15 6 2 Cleaning 15 6 3 Vibration levels 15 6 4 Fan casings 15 6 5 Rotors 15 6 6 Motors 16 6 7 Motor removal 17 6 8 Mounting of motor 18 6 9 Blade angles 19 7 Troubleshooting 19 8 Inspection and test 19 9 Sound 20 10 Safety 20 11 Reference documentation 20 12 Disposal 20 13 Quality management 21 14 Warranty 21 14 1Rotor weldings 21 15 Spare parts 21 16 Classifications and certifica ti...

Страница 4: ...earings and fan components are vulnerable parts 2 1 Marking The AZL AZN AZW fans have nameplates on the fans and motors 2 2 Weights The total weight depends on the fan size casing thickness motor size and accessories Refer to the technical fan specifications from Novenco AirBox program for further information and weights of specific fan solutions Icons Descriptions Risk of damage to equipment Risk...

Страница 5: ... carrier and Novenco immediately of damages Further transport depends on the fan size and the fitted accessories Figure 1 Liftoffanwith one strap Figure 2 Liftoffanwith two straps Transport Fans mounted on support frames Transport and store these on pallets Leave in the transport rods for fans with vibration dampers Fans without support frames Transportfansrestingontheinletflanges or cones The rot...

Страница 6: ...ee area in front of the fan inlet must be at least 1x the fan diameter D or D for optimal or reduced performance respectively Optimal airflow from all sides removes risk of stall gives best performance and keeps sound levels down Secure the installation to at least IP20 i e protect people and surroundings against solid Conditions Specifications Comments Outdoor One month Packaging must be intact I...

Страница 7: ...port frame recommended Mounting plate Vibration dampers recommended Proper support ensures safety and installation stability See sections 4 3 Support frames and 4 4 Vibration dampers Thefansupport must bestrongenough tosupport thefanweight andany fittedaccessories See Appendix A Max fan casing weights on page 25 and the Total weight of installation in the technical fan specifications from AirBox 2...

Страница 8: ...most fan installations All ZerAx fan types can be fitted with support frames for horizontal installation In figure 4 support frame types 1 and 2 are for horizontal installation of the AZL The type 2 can furthermore be mounted on rails transversally to the airflow for easy incorporation in AHUs Support frames type 3 are for horizontal installation of the AZN and AZW For vertical fan installations t...

Страница 9: ...optional extras from Novenco 4 6 Wire guards Fans must always be installed so that parts that rotate cannot be touched or fly off in case of material failure It is therefore recommended to fit wire guards on the inlet and outlet sides If ducts are connected these can alternatively be provided with wire guards Novenco offers wire guards for in pipe installation on outlets Drill holes in the pipe an...

Страница 10: ...355 4408 400 4269 450 4145 500 4086 Hub diameters 350 500 3660 3660 3483 560 3460 3460 3286 630 3238 3238 3059 710 3000 3000 2804 800 2751 2751 2523 900 2498 2498 2217 1000 2270 2270 1918 1120 2029 1900 1568 1250 1809 1500 1201 Hub diameters 560 1000 2034 2034 1904 1120 1893 1893 1727 1250 1751 1751 1552 1400 1599 1599 1371 1600 1419 1419 1166 1800 1262 1262 1002 2000 1130 1130 878 Table 3 Max all...

Страница 11: ...nate interference and protect the motor bearings and windings Refer to the motor documentation for methods to avoid impairment of the supply voltage quality among them distances between supply and signal cables Methods may involve installation of rectifiers filters etc ZerAx fans with permanent magnet PM motors require connection through frequency converters Direct connection of the supply voltage...

Страница 12: ...lade clearance must be minimum 0 1x motor shaft diameter min 2 mm max 13 mm all around the rotor circumference The axial distance between the rotor hub and stator must be min 3 5 mm Wire guards should be mounted on the inlet and outlet sides Transport rods Fans on support frames and with vibrationdampershavetransport rodsin the support frames which must be removed before start of operation The han...

Страница 13: ...g pipes and free inlets the air volumecan be calculated as shown below The measuring pipes are optional accessories and fitted close to the fan inlet The below formula gives the air volume in m3 s Multiply by 3 600 to convert to m3 h or by Ms 15 to 25 of catalogue value Mk 10 to 0 of catalogue value Calculation of start up time ts ts Start up time s P Rated output of motor kW Pv Required power of ...

Страница 14: ...pfan k dps Fan sizes Constant k Fan sizes Constant k 250 160 0 0510 900 350 0 7204 280 160 0 0694 1000 350 0 9001 315 160 0 0917 1120 350 1 2019 355 160 0 1183 1250 350 1 5636 400 160 0 1502 1000 560 0 871 450 160 0 1894 1120 560 1 129 500 160 0 2343 1250 560 1 441 500 350 0 1921 1400 560 1 844 560 350 0 2537 1600 560 2 453 630 350 0 3324 1800 560 3 142 710 350 0 4329 2000 560 3 913 800 350 0 5603...

Страница 15: ... 6 3 Vibration levels After installation and also in connection with regular inspection and cleaning the vibration levels must be measured and be less than or equal to max 6 3 mm s Measure the levels at operational fan speed radially at two points with a90 offset and at thefreeshaft end ofthemotor Fans that exceed the limits usually require cleaning or balancing of the rotors Alternatively the cau...

Страница 16: ... DriveEnd DE and Non Drive End NDE Permanent magnet motors are lifetime lubricated Bearings may however need replacement AC motors up to size 132 have lifetime lubricated bearings Motor sizes 160 to 280 require lubrication according to the manufacturer s instructions Fans with motor sizes 225 to 280 have nipples on the outer fan casings For fans with motor sizes 160 to 200 nipples on the outer fan...

Страница 17: ... hub boss figure 12 comp 5 See also figure 13 Mounting of puller in Ø350 hubs with hub clips on page 27 6 Disconnect the motor cable from the motor 7 Support the motor See the technical fan specifications from the AirBox program Motor size Poles Lubrication intervals hours 50 Hz 60 Hz 160 2 22000 20000 4 25000 25000 6 8 180 2 17000 14000 4 25000 25000 6 8 200 2 15000 12000 4 25000 25000 6 8 225 25...

Страница 18: ...ounted in rear motor shells through the front motor shells 4 Mount the rotor comp 6 on the motor shaft with a tool fastened in the threaded hole of the motor shaft The rotor hub must rest against the motor shaft collar 5 Use a feeler gauge to check that the blade tip clearance between the rotor blade tips and fan casing is the same throughout the circumference 6 Adjust the motor position See step ...

Страница 19: ...ation conditions Inspect the fans twice a year to ensure satisfactory function and long product life Fans with inspection hatches allow for inspection through these Extent of inspection Novenco recommends keeping a log of all values and observations regarding the fans Lack in performance Blocked Inlets Outlets Dampers Supply air reduced Motors defective Motors disconnected Wrong fan rotation direc...

Страница 20: ...ence documentation Please refer to the below documents for further information about the fans 12 Disposal Dispose of fans suitable for scrapping in environmentally safe ways and in accordance to current regulations The fans and especially the electric motors contain recyclable materials Make sure worn out motors and fan parts are disassembled and recycled for the benefit of the environment Test if...

Страница 21: ...ded warranty can be agreed upon 14 1 Rotor weldings First generation ZerAx fans have the rotor blades welded onto the hubs The weldings may look uneven or have small pores which is due to the use of robot welding The production method is verified by high speed tests which confirm the maximum allowable speed with alarge safetymargin Theappearanceofthe weldings has no impact on rotor strength and sh...

Страница 22: ...ance with Novenco s instructions whichincludethis installationand maintenanceguideas wellasany referenceddocumentation and written agreements Product lifetimes of the motors and frequency converters appear from the manufacturers documentation Calculation software Novenco AirBox certified by TÜV Flange standards Eurovent 1 2 Marine fans DIN 24154 R4 Marine motor classification Refer to AirBox progr...

Страница 23: ...red in accordance to the below legislation of the European Council and of the United Kingdom They comply with the below standards and regulations EU directives UK regulations ECO design 2009 125 EU and energy labelling regulation 2017 1369 EU EMC 2014 30 EU LVD 2014 35 EU Machinery 2006 42 EU MED 2014 90 EU Ecodesign for ErP 2010 and Energy Information 2011 Electrical Equipment Safety 2016 EMC 201...

Страница 24: ...59 4 2019 BS DSF FprEN ISO 12759 5 2021 draft BS DS EN ISO 12944 2 2017 BS DS EN 13053 2019 BS DS ISO 13347 1 2004 BS DS ISO 13347 2 2004 ISO 13348 2007 class AN3 BS DS EN ISO 13350 2015 BS DS EN ISO 13857 2019 BS DS EN ISO 14001 2015 BS DS EN ISO 14118 2018 DS ISO TR 14121 2 2012 BS ISO 14694 2003 A1 2010 BS DS EN 16798 1 2019 BS DS EN 16798 3 2017 BS DS EN ISO 20607 2019 BS DS ISO 21940 11 2016 ...

Страница 25: ... values in cells with two values 250 7 10 280 9 11 315 10 13 355 12 15 400 13 17 450 15 19 500 17 21 Hub diameter 350 1 500 52 47 93 560 62 61 105 630 72 71 117 710 85 78 130 800 97 87 144 900 115 96 160 1000 130 104 175 1120 113 201 1250 123 222 Hub diameter 560 1000 213 288 1120 239 378 1250 239 411 1400 307 452 1600 353 512 1800 383 566 2000 425 619 Table 8 Max fan casing weights excl motors an...

Страница 26: ... clip Ø560 hubs With hub clip 1 2 3 4 6 5 7b 9 7c 10 8 5a With centre bolt Size Torques Nm Motor bolts 7b Centre bolt 3 M6 9 6 M8 23 12 M10 45 20 M12 78 20 M16 190 25 M20 370 25 Table 9 Tightening torques Components 1 Screws 7a Nuts 2 Hub cap 7b Bolts 3 Centre bolt and washers 7c Washers 4 Hub clip with screws and washers 8 Motor 5 Hub boss 9 Fan casing 5a Hub cover 1 10 Guide vanes 6 Rotor 1 2 3 ...

Страница 27: ...xial fan types AZL AZN AZW Installation and maintenance 27 of 30 Appendix C How to mount puller Figure 13 Mounting of puller in Ø350 hubs with hub clips 1 Remove hub cap 2 Remove hub clip puller 3 Mount puller in hub ...

Страница 28: ...U1 U1 L1 L2 L3 PE 1 2 V1 W1 U2 V2 W2 PE L N 1 2 L N 1 2 U1 V1 W1 U2 V2 W2 PE V1 W1 W2 U2 V2 Circuit breaker customer part Customer PTC Terminal box star Fan Figure 16 Terminal box delta connection Figure 17 Terminal box star connection U1 W2 V1 U1 V1 W1 U2 W1 V2 PE L1 L2 L3 PE L1 L2 L3 PE PE Frequency converter Terminal box delta Circuit breaker customer part U1 V1 W1 U1 V1 W1 U2 V2 W2 PE L1 L2 L3...

Страница 29: ... rods from support frame Clean the fans Clear fans and airflow ways Service fans drain motor check electrics Inspect wire guards Replace broken parts Turn fan on briefly to verify rotational direction Lubricate motor bearings Turn fan on briefly to verify rotational direction Start up Troubleshooting Power on fans Lacking performance Check for abnormal sounds and vibrations Inlet or outlet blocked...

Страница 30: ...Pure competence in air ttt EKs E Kͳ h E KD last page count ...

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