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USER'S MANUAL
3.
3.1.
Control Panel
The main control element of the boiler is the electronic board which controls all boiler's operation. The
electronic board's microprocessor collects and processes signals from the control and safety sensors. All
information about the boiler's condition is displayed on the LCD display in real-time operation mode.
All control over the boiler is effectuated from the control panel, the appearance of which is shown
on Scheme 3.
If a remote control is connected to the boiler, then control is effectuated from it, the buttons of the control
panel are inactive.
Scheme 3. Boiler's control panel
In the left part of the control panel there is a pressure gauge, indicating the pressure inside the CH. Heat
carrier pressure in the CH must be not lower than 1 bar (with pressure lower than 0,5 bar the safety system
will be switched on and it would be impossible to put the boiler into operation).
In the center of the control panel there is an LCD display, showing the temperature in currently active
mode at normal operation of the boiler (at operation in the heating mode it shows the heat carrier
temperature in the heating system by the outlet from the boiler, at operation in the DHW mode –the DHW
temperature by the outlet from the boiler). In case of failure the error code appears on the display instead
of temperature. The boiler's error codes are represented in the p.14.1 (page 34).
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 purpose _________________________________________________________ Table 2
Designation
K1
DHW temperature increase
K2
DHW temperature reduction
K3
Heating temperature increase
K4
Heating temperature reduction
Choosing the boiler's operation mode, switching the boiler on/off (see p. 3.2)
K5
Reset of the boiler's electronic board blocks (RESET)
K6
Purpose of symbols shown on display ______________________________________________ Table 3
Symbol
Antifreeze function operating symbol (see p. 3.3.1,
page 10)
Presence of flame on the burner
Standby mode
Boiler in the DHW standby mode
Boiler in the heating standby mode
RESET
Error code, reset request
Error code, maintenance service required
Parameter number displayed
Remote control connected
3.2.
Boiler operation modes
The boiler can operate in the following modes:
- Standby mode (see p. 3.2.1);
- DHW mode (see p. 3.2.2);
- combined mode (see p. 3.2.3, page 10);
- heating mode (see p. 3.2.4, page 10);
When the boiler is connected to the power line, it automatically sets up to the mode in which it was before
being switched off from the power line. Change of boiler's operating modes is effectuated by pressing the
K5 button on the boiler's control panel (see p. 3.1, page 8). The sequence of the boiler's operating modes
change is represented on Scheme 4.
Function
Is always glowing
Parameters programming (see p. 13.3.1, page 30)
Flickering
Boiler operating in the DHW mode
Boiler operating in the heating mode
Parameter value displayed
Remote control connection error
Technical staff manual
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