background image

Document in original language | · 008

Plastic Fans — Industrial fans for “Aggressive Gases/
Vapours”
PRF, PRF EX

Installation and Operating Instructions

GB

Summary of Contents for 33986

Page 1: ...Document in original language 008 Plastic Fans Industrial fans for Aggressive Gases Vapours PRF PRF EX Installation and Operating Instructions GB ...

Page 2: ...temair AB All rights reserved E OE Systemair AB reserves the rights to alter their products without notice This also applies to products already ordered as long as it does not affect the previously agreed specifications ...

Page 3: ...numum air gap 6 7 Name plate and type key 7 7 1 Ex key example 8 8 Marking 9 9 Accessories 10 10 Installation 11 10 1 Installation positions 12 10 2 Lightning protection device 12 11 Electrical connection 12 11 1 Protecting the motor 13 11 2 Variable speed fans 13 12 Commissioning 14 12 1 Safety information 14 12 2 Preconditions 14 12 3 Tests 14 13 Operation 15 13 1 Safety information 15 14 Troubl...

Page 4: ......

Page 5: ...ormation on the explosion protection devices Danger Explosion protection This warning marks information which applies if the device is used in a potentially explosive atmosphere Failure to comply with this information will result in loss of explosion protection and may lead to serious injury or death Warning Hazard resulting from improper use of the fans These operating instructions and the fan na...

Page 6: ...ss voltage into account Protect all devices protective systems and components by using suitable lightning and excess voltage protection measures Warning Ignition protection class d If fans are controlled using motors with a d ignition protection class with a frequency converter then thermal protection via a PTC resistor in the motor is required 3 Important safety information Planners plant builder...

Page 7: ...ing that personnel are instructed and have understood the contents of the operating instructions If something is unclear please contact Systemair or its representative 3 2 Personal protective equipment Wear protective equipment during all work in the vicinity of the fan protective working clothes protective working shoes protective working gloves helmet goggles hearing protection 3 3 5 rules of el...

Page 8: ...embly Transport Safety information Warning Electrical or mechanical hazards due to fire moisture short circuit or malfunction Never transport the fan by the connecting wire terminal box impeller protection grille inlet cone or silencer In open transport please make sure that no water can penetrate into the motor or other sensitive parts We recommend transporting the fan to the installation site in...

Page 9: ...ntake of aggressive media or media with a dust content so high that dust deposits on the impeller or fan housing can affect the operation of the fan 6 3 Technical data Max ambient temperature C see data sheet available in our online catalogue Max temperature of transported air C see data sheet available in our online catalogue Sound pressure dB see data sheet available in our online catalogue Volt...

Page 10: ...s mm A B C ØD E F H I J L M N O PRF PRF EX 125 142 165 60 125 150 183 200 235 250 115 40 100 140 PRF PRF EX 160 182 210 80 160 190 237 255 290 310 150 40 100 140 PRF PRF EX 180 205 230 80 180 205 275 277 320 350 160 40 120 190 PRF PRF EX 200 227 245 80 200 220 313 320 355 410 170 40 150 230 PRF PRF EX 250 284 330 80 250 270 380 330 370 495 195 40 170 250 6 6 Minumum air gap The following table sho...

Page 11: ...dress 10 Insulation class 11 Production number Table 3 Type key PRF PRF 200 DV EX d Ignition protection class Pressure proof encapsulation Not classified 0 75KW or PRF EX IE2 International efficiency class 2 IE3 International efficiency class 3 Motor type D2 2poled controllable by frequency converter 3 phased D4 4 poled controllable by frequency converter 3 phased DV 4 poled voltage controllable 3...

Page 12: ...ice group here use above ground 2G Device category and classification G gas D dust Ex h Ignition protection class constructive safety Ex d Ignition protection class pressure proof encapsulation Ex e Ignition protection class increased safety IIB Group T4 or T6 Temperature class Gb EPL Equipment Protection Level TPS 19 ATEX 085751 0001 X ATEX registration number 008 ...

Page 13: ...lass mechanical h Constructive safety DIN EN ISO 80079 37 2016 Ignition protection class electrical d Pressure proof encapsula tion d Motor Pressure proof encapsulation e Increased safety Ex e Terminal box Occurrence of sparks light arc or inadmissible temperatures which could act as sources of ignition is prevented by additional measures and an increased degree of safety Group II IIA Propane IIB ...

Page 14: ...ase check our online catalog or contact Systemair Table 5 Accessories 1 2 3 4 6 5 3 7 8 1 PRF PRF EX Fan 5 VKA P Adjust damper 2 VP Splinter protection 6 WSD Weather roof KIT 3 ASS P Flexible connection 7 SD Vibration damper 4 VKS P Gravity shutter 8 Drain plug 3 8 008 ...

Page 15: ...epair Protect against dust and moisture when installing Ensure that the information on the name plates fan and motor matches up with the operating conditions Danger Risk of ignition of a potentially explosive atmosphere Seal the system carefully Install accessory parts correctly The housing must be protected from shock impacts using splinter protection if necessary accessory Aluminothermic Reactio...

Page 16: ...t explosions in general Earth at the planned earthing point In hazardous areas connect conductive components to a potential equalisation system Warning Danger from electrical voltage Observe the 5 rules of electrical safety see 3 3 5 rules of electrical safety page 3 Prevent the ingress of water into the connection box Electrical connection may only be carried out by adequately qualified persons d...

Page 17: ...mponents Only operate the fan outside these speed ranges Pass through these speed ranges so quickly that any vibration cannot exceed the admissible resonant frequency values Observe the operating instructions of the frequency converter Caution Damage as a result of incorrect commissioning of the frequency converter Install the fan and frequency converter as near as possible to one another Use shie...

Page 18: ...ards due to electrostatic charges Observe and respect local conditions regulations and laws 12 2 Preconditions Installation and electrical connection have been correctly performed Residual material from installation and foreign objects have been removed from the fan and ducts Inlet and outlet are free Safety devices have been fitted Ground cable is connected Cable glands are tight Data on the name...

Page 19: ...oltage or moving components The device may only be operated by adequately qualified persons details see Table 1 Qualifications page 3 Important Damage to the fan because of condensation water Ensure regular switch on time of 2 hours per week Warning Risk by careless use of aggressive media Careless use of aggressive media can lead to very severe injuries Pay attention to the safety data sheet of t...

Page 20: ...ting Table 6 Troubleshooting Problem Possible causes Remedy Fan does not run smoothly Impeller imbalance Rebalancing by a specialist company if possible otherwise contact Systemair Soiling on the impeller Clean carefully rebalance Material decomposition on the impeller due to aggressive material conveyed Contact Systemair Impeller rotates in wrong direction Change direction of rotation swap two ph...

Page 21: ...ent temperature too high Check if the correct fan is used for your application Note For all other damage defects please contact Systemair Defective safety relevant fans for Ex and smoke extraction applications must be replaced completely 14 2 Maintenance Warranty claims can only be made if maintenance work is carried out correctly and written evidence thereof is provided We recommend regular maint...

Page 22: ...ge and corrosion X See normal operating conditions Check the electrical and mechanical protective equipment is working correctly X See normal operating conditions Check the fan s rating plate is legible X X Check the connection clamps and screwed cable connections for damage defects and check that they are firmly seated X See normal operating conditions Check the flexible connectors for damage X S...

Page 23: ...ment with vapours of specific chemical substances get information from the chemical safety data sheet with a view to the recommended cleaning products Install a filter monitor Do not use steel brushes or sharp edged objects Do not use a high pressure cleaner steam jet cleaner under any circumstances Do not bend the fan blades when cleaning When cleaning the impeller pay attention to balance weight...

Page 24: ...to mains 0 10 V signal EC motor via contactor control Transformer Frequency converter Sinus filter Shielded cables Motor protection Yes No Motor protection switch or motor protection relay PTC resistor Resistance value Ω Thermal contact Electrical motor protection Others Functional check Yes No Impeller easily rotatable by hand Rotation direction acc to directional arrow Smooth running without unu...

Page 25: ...r single phase fans fill in line Current L1 A Δ Pressure between suction side and discharge of the fan If an air flow measurement is not possible this value can be calculated using the following formula X Duct cross section m Flow speed m s Grille measurement acc to VDI 2044 Air volume m s Yes No Commissioning of the fan successful Date installer s signature Date operator s signature 008 ...

Page 26: ...fans for Aggressive Gases Vapours Installation and Operating Instructions en_GB 2020 11 23 008 Systemair GmbH Seehöfer Str 45 97944 Boxberg Germany Tel 49 0 7930 9272 0 Fax 49 0 7930 9273 92 info systemair de www systemair de ...

Reviews: