Vents-us VK User Manual

Vents-us VK User Manual

Centrifugal fan

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USER'S MANUAL
VK
Centrifugal fan

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Summary of Contents for Vents-us VK

  • Page 1 USER'S MANUAL Centrifugal fan...
  • Page 2: Table Of Contents

    Warranty card ....................................15 This user’s manual is a main operating document intended for technical, maintenance, and operating staff. The manual contains information about purpose, technical details, operating principle, design, and installation of the VK unit and all its modifications.
  • Page 3 Connection of the unit to power mains is allowed by a qualified electrician with a work permit for the electric units up to 1000 V after careful reading of the present user’s manual. Check the unit for any visible damage of the impeller, the casing, and the grille before starting www.vents-us.com...
  • Page 4 THIS DUCT FAN SHALL BE INSTALLED A MINIMUM OF ONE METRE FROM ANY ACCESSIBLE OPENING OF THE DUCT THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE. DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE. www.vents-us.com...
  • Page 5: Purpose

    User’s manual 1 pc. Packing box 1 pc. DESIGNATION KEY VK 100 U Additional options E: EnergyStar compient U: speed controller with an electronic thermostat and an integrated temperature sensor. Temperature-based operation logic U1: speed controller with an electronic thermostat and an integrated temperature sensor.
  • Page 6: Technical Data

    0” 0.125” 0.2” 0.25" 0.375" 0.5” 0.75" 1.0” 1.25" 1.5” 10 feet VK 100 4” 3344 120/60 VK 125 5” 2960 120/60 VK 150 E 6” 3000 120/60 VK 150 6” 2907 120/60 VK 200 E 8” 3275 120/60 VK 200 8”...
  • Page 7: Design And Operating Principle

    The fan is equipped with a single-phase motor with an external rotor, equipped with a centrifugal impeller. The fan is rated for continuous operation. Electronics operation algorithm VK U/U1/U2 fan is equipped with an electronic module TSC (speed controller with an electronic thermostat) for automatic speed control (air flow) depending on the Temperature regulator air temperature.
  • Page 8: Mounting And Set-Up

    To attain the best performance of the ventilation system and to minimize turbulence-induced air pressure losses while mounting connect a straight air duct section on both sides of the unit. Minimum straight air duct length: equal to 1 air duct diameter on intake side; equal to 3 air duct diameters on outlet side. Typical Fan installation www.vents-us.com...
  • Page 9 Mounting sequence 1. Attach mounting brackets. 2. Mark fastening holes 3. Drill fastening holes 4. Fix the fan. 5. Connect air ducts. www.vents-us.com...
  • Page 10: Connection To Power Mains

    The recommended trip current of the circuit breaker is the next current in the standard trip current row following the maximum current of the connected unit. The circuit breaker is not included in the delivery set and can be ordered separately. HOUSE JUNCTION BOX 120vAC, 60Hz HOUSE POWER GREEN GROUND AUTOMATIC SCREW SWITCH EARTH STANDARD WALL SOCKET www.vents-us.com...
  • Page 11 WARNING! The fan is equipped with a thermal switch without self-resetting function. To avoid a random restart of the thermal switch, the unit must not be powered through an external switching device, such as a timer, or connected to power mains usually turned on/off by public services. www.vents-us.com...
  • Page 12: Technical Maintenance

    To clean the fan, use a soft cloth or a brush wetted in a mild detergent solution. Do not allow water or liquid come into contact with electric components. Wipe the unit surfaces dry after cleaning. Install the cover back in place and screw the self-tapping screws. www.vents-us.com...
  • Page 13: Storage And Transportation Regulations

    The unit must be transported only in the working position. • Avoid sharp blows, scratches, or rough handling during loading and unloading. • Prior to the initial power-up after transportation at low temperatures, allow the unit to warm up at operating temperature for at least 3-4 hours. www.vents-us.com...
  • Page 14: Manufacturer's Warranty

    If proof of sales date is absent, warranty period is calculated from the production date. The unit can be exchanged at the following address: Vents-US 400 Murray Road, Cincinnati, OH 45217, USA Tel: 1-888-640-0925, 513-583-5786, Fax: 513-268-4597 E-mail: support@ventsus.com...
  • Page 15: Certificate Of Acceptance

    The unit has been installed in accordance with the provisions of all the applicable local and national construction, electrical and technical codes and standards. The unit operates normally as intended by the manufacturer. Signature: WARRANTY CARD Unit Type Centrifugal fan Model Serial Number Manufacture Date Purchase Date Warranty Period Seller Seller’s Stamp www.vents-us.com...
  • Page 16 VUSA02EN-14...

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