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Beschikbare talen
Beschikbare talen
Critical overheating
of
E32-e35
electronic parts
Sensor signal
E43-e45; e54
absent
Protection against
E39-e40
overcurrent
E21-e30
Voltage Error
Twin
communication
E31
absent
E42
Dry operation
Motor excess
E56
temperature
f < 100 Hz ; f > 5
E57 ; e58
kHz
Energy Efficiency Index - EEI
The benchmark for the most efficient circulators is EEI ≤ 0,20
-
Check that the mains voltage is correct, if
necessary reset it at the plate values.
-
Switch off system power.
-
Wait for the warning lights on the control panel to
go off.
-
Check that the system ventilation ducts are not
blocked and that the environment temperature of
the premises is correct.
-
Check sensor connection.
-
If the sensor is faulty, replace it.
-
Check that the circulator turns freely.
-
Check that any antifreeze added does not exceed
the maximum percentage of 30%.
-
Switch off system power.
-
Wait for the warning lights on the control panel to
go off, then power the system again.
-
Check that the mains voltage is correct, if
necessary reset it at the plate values.
-
Check that the twin communication cable is intact.
-
Check that both circulators are powered.
-
Put the system under pressure.
-
Switch off system power.
-
Wait for the motor to cool down.
-
Power the system again.
-
Check that the PWM external signal is operating
and connected as specified.
ENGLISH
GB
22
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