DAB EVOPLUS Instruction For Installation And Maintenance page 25

GB
ENGLISH
Low mains
E37
voltage (LP)
High mains
E38
voltage (HP)
Critical
overheating of
E32-e35
electronic parts
E43-e45; Sensor signal
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
20
- 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
- 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.
- 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.