User’s manual
The symbols on display show the boiler’s operation mode. Around the display there are 6 boiler control
buttons. The designation of the control buttons and of the symbols shown on display are represented in the
tables 2 and 3 respectively.
Control buttons designation
Table 2
Symbol
Function
K1
DHW temperature increase
K2
DHW temperature reduction
K3
Heating temperature increase
K4
Heating temperature reduction
K5
Choosing the boiler’s operation mode, switching the
boiler on/off (see p.3.2)
K6
Reset of the boiler’s electronic board blocks
(RESET)
User’s manual
Displayed symbols designation
Table 3
Symbol
Is always glowing
Flickering
Antifreeze function operating symbol
(see. p. 3.3.1, page9)
Presence of flame on the burner
Standby mode
Boiler in the DHW standby mode
Boiler operating in the DHW mode
Boiler in the heating standby mode
Boiler operating in the heating mode
Error code, reset request
Error code, technical service
required
Parameter programming (see p.13.3.1, page26)
Parameter number displayed
Parameter value displayed
Remote control is connected
Remote control connection error
3.2. Boiler operation modes
The boiler can function in the following modes:
3.2.1);
DHW mode (see p. 3.2.2);
combined mode (see p.3.2.3, page9);
heating mode (see p.3.2.4, page9);
When the boiler is connected to the electricity network, it automatically sets up to the mode in which it was
before being switched off from the network. Change of boiler’s operating mode is effectuated by pressing the
K5 button on the boiler’s control panel (see p.3.1, page7). Below the sequence of the boiler’s operating modes
change is represented.