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11. FACTORY SETTINGS
Parameter
Regulating mode
Twin operating mode
Pump start control
12. TYPES OF ALARM
Alarm Code
Alarm Symbol
e0 - e16; e21
e17 - e19
e20
e22 - e31
e32 - e35
e37
e38
e39 - e40
e46
e42
e56
e57
e58
Value
= Proportional differential pressure
regulation
= Alternate every 24h
ON
Table 1: Factory settings
Alarm Description
Internal Error
Short Circuit
Voltage Error
Internal Error
Electronic system excess temperature
Low voltage
High voltage
Pump blocked
Pump Disconnected
Dry operation
Motor excess temperature (motor
protector trips)
Frequency of PWM external signal less
than 100 Hz
Frequency of PWM external signal
greater than 5 kHz
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/files/20110429_faq_en.pdf
Guidelines accompanying commission regulations implementing the ecodesign directive:
http://ec.europa.eu/energy/efficiency/ecodesign/legislation_en.htm - see "circula-
tors.
13. ERROR CONDITION AND RESET
Display
Description
indication
e0 – e16
Internal error
Low mains
e37
voltage (LP)
High mains
e38
voltage (HP)
Critical over-
e32-e35
heating of
electronic parts
Reset
- 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.
- 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 environ-
ment temperature of the premises is
correct.