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11. FACTORY SETTINGS
Parameter Value
Regulating mode = Proportional differential pressure
regulation
Twin operating mode = Alternate every 24h
Pump start control ON
12. TYPES OF ALARM
Alarm Code Alarm Symbol Alarm Description
e0 - e16; e21 Internal Error
e17 - e19 Short Circuit
e20 Voltage Error
e22 - e31 Internal Error
e32 - e35 Electronic system excess temperature
e37 Low voltage
e38 High voltage
e39 - e40 Pump blocked
e46 Pump Disconnected
e42 Dry operation
e56
Motor excess temperature (motor
protector trips)
e57
Frequency of PWM external signal less
than 100 Hz
e58
Frequency of PWM external signal
greater than 5 kHz
Table 1: Factory settings
Table 2: List of alarms
INFORMATION
Frequently asked questions (faq) on the ecodesign directive 2009/125/ec establishing a
framework for the setting of ecodesign requirements for energy-related products and its
implementing regulations:
http://ec.europa.eu/enterprise/policies/sustainable-business/documents/eco-de-
sign/guidance/les/20110429_faq_en.pdf
Guidelines accompanying commission regulations implementing the ecodesign directive:
http://ec.europa.eu/energy/efciency/ecodesign/legislation_en.htm - see “circula-
tors.
13. ERROR CONDITION AND RESET
Display
indication
Description Reset
e0 – e16 Internal error
- Switch off system power.
- Wait for the warning lights on the control
panel to go off, then power the system
again.
- If the error persists, change the circu-
lator.
e37
Low mains
voltage (LP)
- 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.
e38
High mains
voltage (HP)
- 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.
e32-e35
Critical over-
heating of
electronic parts
- 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 environ-
ment temperature of the premises is
correct.
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