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KoMFort roto ec S2(e)200
14
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
trips following the unit
turning on.
High current consumption due to short circuit in power
line.
Turn the unit off. Contact the Seller.
Low air flow.
Low set fan speed.
Set higher speed.
The filters and the fans are clogged, the heat exchanger
is clogged.
Clean or replace the filters, clean the fans, and the heat
exchanger.
Ventilation system elements (air ducts, diffusers, louver
shutters, grilles) are clogged, damaged or closed.
Clean or replace the ventilation system elements, such as air
ducts, diffusers, louvre shutters, grilles.
Cold supply air.
The extract filter is soiled.
Clean or replace the extract filter.
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 flanges.
Install anti-vibration connectors.
SYSTEM ALARMS
Fire alarm.
Emergency system shutdown on command from the fire
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 filter. Check the unit operation
settings.
Filter replacement
required.
Filter replacement interval expiration.
Clean or replace the filters.
STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range
+5 ˚С...+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.
Summary of Contents for KOMFORT Roto EC S2 200
Page 1: ...Heat recovery air handling unit USER S MANUAL EN KOMFORT Roto EC S2 200 KOMFORT Roto EC S2E200...
Page 16: ...www blaubergventilatoren de KOMFORT Roto EC S2 E 200 16...
Page 17: ...www blaubergventilatoren de KOMFORT Roto EC S2 E 200 17...
Page 18: ...www blaubergventilatoren de KOMFORT Roto EC S2 E 200 18...
