Unical KON 1 C24 User Manual

42
SyMBOL
ONSERVICE
PANEL
CODE
REGOLA-
FACILE
CODE
EASY
r
DESCRIPTION SOLUTIONS
22 22 INCORRECT SENSOR
POSITIONING
Flow and return sensors in-
verted
Check the wiring (11) (22)
24 24 SPEED OUT OF
CONTROL
Alteration of the fan speed; the
speed is not reached.
Check fan operation (18) and
the connections.
26 26 SPEED OUT OF
CONTROL
Alteration of the fan speed; the
speed is above that requested.
Check fan operation (18) and
the connections.
6 6 HIGH TEMPERATURE
Boiler temperature too high.
Check pump operation and if
needed clean the exchanger
(24)
8
MANCA
ACQUA
8 WATER DEFICIENCY
Insufficient water pressure
and consequent intervention
pressure switch .
Fill the heating circuit as de-
scribed in chap. 3.8 and wait
for the values to return within
default limits. If needed, check
the electrical connections and
replace the minimum water
pressure switch.
44 12
WATER PRESSURE
Faulty transducer. Assistance
Wait values return to the stan-
dard limits / Replace Transdu-
cer.
16 16 EXCHANGER
FREEZING ( 24 )
Exchanger freezing is de-
tected If the heating sensor
detects a temperature below
2° C, burner ignition is inhib-
ited until the sensor detects a
temperature above 5°C.
Disconnect the from the
power supply, close the gas
valve, defrost the exchanger
carefully.
TERM.
LIMITE
01 SAFETY THERMOSTAT
Intervention of the safety ther-
mostat (10).
Press the unblock button on
the panel and/or check that the
thermostat or its connections
are not interrupted.
13 13
DOMESTIC HOT WATER
SENSOR
Domestic hot water sensor
fault (1).
Check the efficiency of the
sensor (see table Res/Temp)
(Par.4) and its connections.

Unical KON 1 C24 Specifications

General

Brand	Unical
Model	KON 1 C24
Category	Boiler
Language	English