The manual contains information about purpose, technical details, operating principle, design, and installation of the centrifugal inline fan VKM EC and all its modifications. Technical and maintenance staff must have proper theoretical knowledge and practical training specific to ventilation systems as well as the necessary skills to carry out the work in accordance with labour safety and construction regulations and standards applicable in the respective territory.
SAFETY REQUIREMENTS • Please read the user’s manual carefully prior to installing and operating the unit. • All user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical, and technical norms and standards must be observed when installing and operating the unit.
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VKM EC • Disconnect the unit from • Do not allow children to power mains prior to any operate the unit. technical maintenance. • When the unit generates • Do not store any explosive or unusual sounds, odour, or highly flammable substances emits smoke, disconnect it in close proximity to the unit.
PURPOSE The product described herein is a centrifugal inline fan VKM EC for ventilation of small and medium domestic premises. The unit is rated for continuous operation. THE UNIT SHOULD NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED PHYSICAL, MENTAL, OR SENSORY CAPACITIES, OR THOSE WITHOUT THE APPROPRIATE TRAINING.
VKM EC TECHNICAL DATA The fan is designed for indoor or sheltered application at ambient temperature from -25 °C up to +40 °C and relative humidity up to 80 %. The unit is rated as a class I electric appliance.
INSTALLATION AND SET-UP BEFORE MOUNTING MAKE SURE THE CASING DOES NOT CONTAIN ANY FOREIGN OBJECTS (E.G. FOIL, PAPER). The air motion in the system must be as shown with the pointer of the fan casing. In case of the vertical installation the intake spigot must be protected with a ventilation hood. To attain the best performance of the fan and to minimise turbulence-induced air pressure losses while mounting, connect straight air duct sections to the fan spigots on both sides of the fan.
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VKM EC INSTALLATION STEPS Disconnect the fan from power supply Install the fixing brackets Lean the fan against the installation place and mark the fastening Drill the holes and insert the expansion anchors holes Fix the fan Connect air ducts...
CONNECTION TO POWER MAINS THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY, PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS. The unit is rated for connection to single-phase ac 230 V/ 50 (60) Hz power mains. For electric installations use insulated durable heat- resistant conductors (cables, wires) with the minimum wire cross section 0.75 mm .
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VKM EC ELECTRONICS OPERATION ALGORITHM The Un/U1n/U2n fan is equipped with an electronic module TSC (speed controller with an electronic thermostat) for automatic speed control (air flow) depending on the air temperature. The terminal compartment incorporates 2 control knobs: • presetting speed •...
MAINTENANCE CUT OFF POWER SUPPLY BEFORE ANY OPERATIONS ARE PERFORMED. Technical maintenance means regular cleaning of the unit surfaces of dust. Use a soft brush or compressed air to remove dust. Clean the impeller blades at least every 6 months. Installation of an air filter prolongs the interval between the cleaning, to perform the cleaning first remove the screws and the fan cover.
VKM EC STORAGE AND TRANSPORTATION REGULATIONS • Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range from +5 ˚С (+41 ˚F) to +40 ˚С (+104 ˚F) and relative humidity up to 70 %.
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.
VKM EC CERTIFICATE OF ACCEPTANCE Unit Type Centrifugal inline fan Model VKM _____________ EC Serial Number Manufacture Date Quality Inspector’s Stamp The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility. We hereby...
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