TOR
7
cod. 3542B750 - Rev 05 - 07/2022
EN
1.3.2 Display
Here below it is reported the description of the symbols on the display, during normal operation.
OFF/STAND-BY (see 1.4.1 on page 7)
Air purge function running (see 1.4.2 on page 7)
In case the right dot is fixed, the display show the temperature of the central heating circuit.
When the heating elements are active, the middle point starts to flash.
In case the right dot is flashing, the display show the temperature of the external water tank.
When the heating elements are active, the middle point starts to flash.
Activation of the heating frost protection, level 1.
(see 1.4.6 on page 8)
Activation of the sterilization function
(see 1.4.10 on page 9)
Central heating function is disabled.
(see 1.4.3 on page 7)
Tank heating function is disabled.
(see 1.4.4 on page 8)
Indication of the heating elements status (see 1.4.8 on page 8)
Appears when both CH and DHW mode are disabled (see 1.4.3 and 1.4.4)
1.4 FUNCTION
1.4.1 Startup/shutdown
Under the shutdown state, the is shown in the display area of controller operation panel LED, and the machine
can be enabled by pressing
for 5 s. Under the startup state, the machine can be disabled by pressing for 5 s.
1.4.2 Air Purging
After power on the boiler, the display shows the firmware version for few seconds, then the Air Purging starts with the
symbole “FH” on the display. This function takes 5 minutes on which the pump is activated (5 seconds ON and 5 seconds
OFF) and the 3 Way Valve is moved (1 minute on CH position, and 1 minute on TANK position).
Any heat demand is inhibited during the Air Purging function. To skip this function, press the
button for 5 sec just
after the power on.
This function is executed under the following condition
• power on
• restoration from F37, F41, A03 failure
• parameter P11 = 1
1.4.3 Heating temperature adjustment
Use the buttons (details 3 and 4 of fig. 1 on page 6) to adjust the temperature of the central heating.
The range of the setting is 30 - 80 °C and the default value is 60 °C.
To disable the central heating function (summer mode) modify the set point below minimum, till the symbol
appears.
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