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TECHNICAL MAINTENANCE
the technical maintenance includes periodic cleaning of the surfaces from accumulated dust and dirt. the impeller blades require
thorough cleaning once in 6 months.
Maintenance sequence:
•
cut off power supply to the fan (fig. a).
•
loosen the screw (fig. b).
•
remove the flange with the turbine from the casing (fig. c).
•
clean the impeller blades using a dry brush or a vacuum casing (fig. d).
Perform all the above operations in the reverse order after cleaning.
a
b
TROUBLESHOOTING
Problem
the fan does not start.
circuit breaker tripping during
the fan start.
noise, vibration.
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 to +40 ˚С 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.
14
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS!
c
Possible reasons
no power supply.
Jammed motor.
excessive electric current consumption
caused by a short circuit.
the fan impeller is soiled.
the screw connection is loose.
d
Troubleshooting
Make sure that the unit is properly connected to the
power mains and make any corrections, if necessary.
turn off the fan. troubleshoot the motor jamming.
restart the fan.
turn off the fan. contact the Seller.
clean the impellers.
check the screw connection and tighten the screws
if needed.
VKP mini
www.ventilation-system.com
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