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4
CONTROL UNIT
4.1
HOW IT WORKS
The control unit rules the devices of the thermal
cooker and other external devices installed in the
heating system. Basically, the control unit meas-
6
ures the temperature of the water in the boiler and
4
6
7
2
4
6
7
5
2
4
8
7
5
2
8
5
8
L6
L5
L6
Picture 27 – Control unit board.
L5
L6
L1
L2
PUSH
L3
BUTTON
L5
L4
L6
L1
L2
Switch ON/OFF
L3
L5
L4
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Lower set temperature
4
7
2
5
Heighten set temperature
8
View set temperature
Hot water temperature
L6
L1
L2
L3
L5
L4
4.2
CONTROL UNIT TECHNICAL DATA
Condition
Feeding
Temperature drill
Exits
Applied laws
Table 2 – Control unit technical features
L1
L2
L3
L4
L1
L2
L3
L4
FUNCTION
230 Vac ± 10% ~50 Hz; Protection fusible T3, 15 A
Sensor NTC 10K@25°; Working limits 50°C/130°C Santoprene cable
Measure limits: 0-99°C Accuracy ± 1°C
Contacts capacity: 5 A 250 Vac
EN 60730-1 50081-1 EN 60730-1 50081-2
according on the set temperatures activates the
devices to whom it is connected. In addition, the
control unit has other safety and control functions.
LED
SIGNAL
L1
T>A01 - Pump in function
L2
T>A02 - ON valve contacts fed
L3
T>A03 - Aux ON contacts turned on
L4
T>A05 - Serv ON contacts fed
L5
Control unit in Standby
L6
Water level alarm
123
FUNCTION
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