Vents VKV EC, User Manual

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VKV EC/VKH EC
www.ventilation-system.com
Problem Possible reasons Troubleshooting
The fan does not start. No power supply.
Make sure the power supply line is connected
correctly, otherwise troubleshoot a connection error.
Noise, vibration.
The fan impeller is soiled. Clean the impellers.
The fan or casing screw connection is loose.
Tighten the screw connection of the casing against
stop.
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 ˚C to +40 ˚C and relative humidity up to 70 %.
• Storage environment must not contain aggressive vapors and chemical mixtures provoking corrosion, insulation, and sealing
deformation.
• Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
• Follow the handling requirements applicable for the particular type of cargo.
• The unit can be carried in the original packaging by any mode of transport provided proper protection against precipitation and
mechanical damage. 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.
TROUBLESHOOTING