Ideal Clima KERS 50, Руководство пользователя и инструкция по установке

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KERS 50 – Heat recovery ventilation unit – User & installation manual
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7. AFTER SALES & MAINTENANCE
7.1 TROUBLESHOOTING
On the following pages the most common reasons are reported that may cause the unit to stop or to operate
incorrectly. The subdivision is made according to easily identifiable symptoms.
NR FAILURE POSSIBLE CAUSES POSSIBLE SOLUTIONS
1
The unit does not start
No power supply to the unit
Verify its presence in power terminals
The motor is blocked and impeller
is clogged
Turn off the unit. Solve the jam motor,
clean the propellers. Restart the unit
2 Insufficient air flow
It has been set a too low speed.
Choose a higher speed level
The filter, the fan or the heat
exchanger, is dirty
Clean or replace the filters, clean the
fan and the heat recovery (see
“maintenance” chapter ).
3 The circuit breaker goes off
A short circuit has produced an
overload Turn off the unit and contact a service
center
4 Vibrations and noise The fan is dirty Clean the fan
5 Vibrations and noise
The screws of the case or of the
outer cap are loose Tighten the screws of the unit and the
outer cap.
Deformation of the motor unit: the
fan blades touch the duct.
Slightly loosen the screws
7.2 ROUTINE MAINTENANCE
Disconnect the unit from power mains before any maintenance .
A proper operation of the unit requires regular cleaning of filters or their replacement when needed. You should
also clean the fan impeller and ceramic exchanger from any dust that may accumulate over the time.
Follow these steps:
Press simultaneously on the hooks placed to the sides of the front panel and pull it gently toward you to remove
it.
Disconnect the terminal box using a screwdriver. Do not pull the wires to prevent damage to the unit.
Note: Put the front panel back in position only after the actuator has retracted completely at the bottom (wait at
least 5 mins).