77
912.199.3 - GB
ISTRUCTIONS PERTAINING TO THE USER
KEYS DISPLAY SYMBOLS
Central heating mode setting key
Data display reset key
Parameter setting key (increase value)
Parameter setting key (decrease value)
Program access and scroll key
Program access and scroll keys
Reset key
Domestic hot water temperature setting key
Central heating water temperature setting key
Domestic hot water on/off key
Resettable alarm warning
Flame present (on)
Outdoor temperature
Standby (off)
Operation in manual mode at minimum tem-
perature
Operation in manual mode at the maximum
temperature set
Operation in automatic mode
Operation in central heating mode
Operation in domestic hot water mode
020503_1100
Figure 1
IMPORTANT: Domestic Hot Water (D.H.W.) instructions here discribed, are to take in account only if the
boiler is connected to a D.H.W. production system.
To correctly light the burner proceed as follows:
1) provide power supply to the boiler;
2) open the gas cock;
3) follow the directions given below regarding the adjustments to be made at the boiler control panel.
3. COMMISSIONING OF THE BOILER
SECONDARY display
MAIN display
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