Vents VUTR 200 V2 EC A17, Руководство пользователя, Страница: 25 / 28

www.ventilation-system.com
25
POSSIBLE REASONS AND TROUBLESHOOTING
Problem Possible reasons Troubleshooting
The fan(s) do(es) no start.
No power supply.
Make sure the power supply line is connected correctly, otherwise
troubleshoot a connection error.
The motor is jammed, the impeller blades are soiled.
Turn the unit off . Troubleshoot the motor jam and the impeller clogging.
Clean the blades. Restart the unit.
Alarm in the system. System alarms are listed below.
Identify the system failure by entering the active alarms menu and eliminate
the alarm.
If the system alarm cannot be eliminated by the user contact the Seller.
Automatic circuit breaker
tripping following the unit
turning on.
High current consumption due to short circuit in power line. Turn the unit off . Contact the Seller.
Low air fl ow.
Low set fan speed. Set higher speed.
The fi lters and the fans are clogged, the heat exchanger is clogged. Clean or replace the fi lters, clean the fans and the heat exchanger.
Ventilation system elements (air ducts, diff users, louver shutters, grilles) are
clogged, damaged or closed. Clean or replace the ventilation system elements, such as air ducts, diff users,
louver shutters, grilles.
Cold supply air.
The extract fi lter is soiled. Clean or replace the extract fi lter.
The unit operates in Cooling mode. Check the unit operation settings.
Noise, vibration.
The impeller(s) is soiled. Clean the impeller(s).
The fan or casing screw connection is loose. Tighten the screw connection of the fans or the casing against stop.
No anti-vibration connectors on air duct pipe fl anges. Install anti-vibration connectors.
SYSTEM ALARMS
Fire alarm.
Emergency system shutdown on command from the fi re alarm board. This
alarm interrupts the fan operation. In case of such alarm follow the emergency instructions and leave the room
and the building.
Temperature sensor failure.
Interruption or shortening in the temperature sensor circuit. This alarm
interrupts the fan operation.
Contact the Seller.
Control panel failure. Control panel communication error. Check the connection of the control panel to the controller. Contact the Seller.
Low supply air temperature. The supply air temperature is below +14 °C (factory setting). Clean or replace the extract fi lter. Check the unit operation settings.
Filter replacement required. Filter replacement interval expiration. Clean or replace the fi lters.
Store the unit in the manufacturer’s original packing box in a dry closed ventilated premise with temperature range from +5 °C to + 40 °C.
Storage environment must not contain aggressive vapours 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 packing by any mode of transport provided proper protection against precipitation and mechanical damage.
The unit can 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 subzero temperatures allow the unit to warm up at room temperature for at least 3-4 hours.
STORAGE AND TRANSPORTATION REGULATIONS