www.blaubergventilatoren.de
Fresher 50 (l) (m)
16
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.
POSSIBLE REASONS AND TROUBLESHOOTING
Problem
Possible reasons
Troubleshooting
When switching on the
ventilator, the fan does not
start.
No power supply.
Make sure the power supply line is connected
correctly, otherwise troubleshoot the connection
error.
The motor is jammed, the impeller blades are
soiled.
Turn the ventilator off. Troubleshoot the motor jam
and impeller clogging. Clean the blades. Restart the
ventilator.
Circuit breaker tripping during
the ventilation unit start-up.
Overcurrent as a result of short circuit in the
electric line.
Turn the ventilator off.
Contact the Seller for further information.
Low air flow.
Low set fan speed.
Set higher speed.
The filters, the fan or the regenerator are clogged.
Clean or replace the filter. Clean the fan and the
heat exchanger.
Noise, vibration.
The impeller is clogged.
Clean the impeller.
Loose screw connection of the unit casing or the
outer ventilation hood.
Tighten the screws of the ventilator or the outer
ventilation hood.
TROUBLESHOOTING