Vents VCU(z) Series User Manual

Vents VCU(z) Series User Manual

Centrifugal fan in scroll casing

Advertisement

Quick Links

USER'S MANUAL
VCU(z)/VCUN
CENTRIFUGAL FAN IN SCROLL CASING

Advertisement

Table of Contents
loading

Summary of Contents for Vents VCU(z) Series

  • Page 1 USER’S MANUAL VCU(z)/VCUN CENTRIFUGAL FAN IN SCROLL CASING...
  • Page 2: Table Of Contents

    VCU(z)/VCUN CONTENTS Purpose ........................................ 4 Delivery set ......................................4 Designation key ....................................5 Technical data ....................................6 Design and operating principle ............................9 Installation and set-up................................10 Connection to power mains ..............................12 Technical maintenance ................................16 Troubles and troubleshooting .............................. 18 Storage and transportation regulations ..........................
  • Page 3 • Do not close or block the intake or extract vents in order to ensure the efficient air flow. • Do not sit on the unit and do not put objects on it. • The information in this user’s manual was correct at the time of the document’s preparation.
  • Page 4: Purpose

    VCU(z)/VCUN PURPOSE Centrifugal fans in scroll casing are designed for supply and extract ventilation of residential, public and industrial premises. The fan is designed for floor mounting. THE UNIT SHOULD NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED PHYSICAL, MENTAL, OR SENSORY CAPACITIES, OR THOSE WITHOUT THE APPROPRIATE TRAINING.
  • Page 5: Designation Key

    DESIGNATION KEY Vents VCUN 120x74 - 0,25 - 2E L 0 Voltage _ – 230 V/50 Hz: for single-phase motors 400 V/50 Hz: for three-phase motors Models _: model for temperate climate T: model for tropical climate M: model for marine climate...
  • Page 6: Technical Data

    VCU(z)/VCUN TECHNICAL DATA The unit is designed for indoor application at ambient temperature from -20 °C up to +40 °C and relative humidity of 80 %. The unit design is constantly being improved, so some models can slightly differ from those ones described in this manual. The unit is rated as a Class I electrical appliance.
  • Page 7 OVERALL DIMENSIONS AND VARIANTS OF THE VCUN FAN CASING POSITIONS POSSIBLE VARIANTS OF THE VCUN FAN CASING POSITIONS (View on the supply side) Impeller rotation Impeller rotation leftwards rightwards Dimensions [mm] Weight Model [kg] Ø D Ø d Ø d1 VCUN 140x74-0,25-4 10 242 323 125 92 144 309 125 95 124 220 234 18 253 80 VCUN 140x74-0,37-2...
  • Page 8 VCU(z)/VCUN VCUN 315x143-2,2-6 315 10 15 543 731 250 213 353 568 255 216 268 350 452 27 405 140 46.8 VCUN 315x143-4,0-4 315 10 15 543 731 250 213 353 568 255 216 268 350 452 27 405 140 49.8 VCUN 355x143-2,2-6 355 10 15 611 817 275 241 403 566 255 214 253 350 442 32 405 140 49.0...
  • Page 9: Design And Operating Principle

    DESIGN AND OPERATING PRINCIPLE Casing Casing Motor Motor Terminal block Fixing bracket Fixing bracket Impeller Impeller VCU(z) VCUN VCUN fan is enclosed in a metal casing. The electric motor and the air intake ring are fixed to the casing through the flange. The impeller is fastened to the drive shaft.
  • Page 10: Installation And Set-Up

    VCU(z)/VCUN INSTALLATION AND SET-UP After the fan unpacking, prior to the mounting: • Read carefully the user’s manual and the mounting, start-up, operating and servicing guidelines. • Make sure that the fan impeller rotates freely. • Make sure there is no condensate on the motor. •...
  • Page 11 • Make sure that the motor is disconnected from power supply (Fig. 1). • Mark holes on the mounting surface for mounting of the fixing bracket (Fig. 2). • Bore holes and fasten the fixing bracket using the appropriate fasteners (i.e. expansion anchors). In case of need, use the vibration dampers VVCr or VVCp (specially ordered accessories) (Fig.
  • Page 12: Connection To Power Mains

    VCU(z)/VCUN CONNECTION TO POWER MAINS POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN. THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL.
  • Page 13 WIRING STEPS FOR THE VCUN FAN • Make sure the power cable is disconnected from power supply (Fig. 1). • Take off the lid of the terminal box located on the motor casing (Fig. 2). • Route the power cable wires through the cable gland on the terminal box, then strip the wires for 7-8 mm (Fig. 3). •...
  • Page 14 VCU(z)/VCUN WIRING STEPS FOR THE VCU(z) FAN • Make sure the power cable is disconnected from power supply (Fig. 1). • Take off the lid of the terminal box located on the motor casing (Fig. 2). • Route the power cable wires through the cable gland on the terminal box, then strip the wires for 7-8 mm (Fig. 3). •...
  • Page 15 WIRING DIAGRAMS VCU(z) VCU(z) with a thermal switch ~230 V ~230 V 50 (60) Hz 50 (60) Hz QF: automatic circuit breaker (not included in the delivery set) X1: terminal block VCU(z) with a magnetic starter VCUN and a thermal switch ~400 V 50 (60) Hz ~230 V...
  • Page 16: Technical Maintenance

    VCU(z)/VCUN TECHNICAL MAINTENANCE Disconnect the unit from power supply prior to any maintenance operations. Make sure the rotating parts have come to a full stop. The fan maintenance includes regular cleaning of the surfaces of dust and dirt. Clean the impeller blades each 6 months. Impeller blades cleaning is as follows: •...
  • Page 17 MAINTENANCE INSTRUCTIONS Perform regular maintenance of the fan to ensure its reliable, safe and efficient operation. General maintenance includes: • Daily maintenance. • Maintenance after each 1000 operating hours. • Current repair and maintenance after each 10 000 operating hours. •...
  • Page 18: Troubles And Troubleshooting

    VCU(z)/VCUN TROUBLES AND TROUBLESHOOTING TROUBLE POSSIBLE REASONS TROUBLESHOOTING Check the electric connections and No power supply. troubleshoot a connection error, if applicable. The fan does not start. Turn the fan off. Troubleshoot clogging of Motor jam. the impeller. Restart the fan. Automatic circuit breaker Increased consumption of electric current Turn the fan off.
  • Page 19: Manufacturer's Warranty

    MANUFACTURER’S WARRANTY The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility. We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and of the Council and CE-marking Council Directive 93/68/EEC.
  • Page 20: Certificate Of Acceptance

    VCU(z)/VCUN CERTIFICATE OF ACCEPTANCE Unit Type Centrifugal fan in scroll casing Model Serial Number Manufacture Date Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are acknowledged and accepted.
  • Page 21 www.ventilation-system.com...
  • Page 22 VCU(z)/VCUN www.ventilation-system.com...
  • Page 23 www.ventilation-system.com...
  • Page 24 V16EN-10...

Table of Contents