5
3-1. Description of keys
(2) This key can be pressed to set the central heating water output temperature as described
in point 3-3.
(3)
This key can be pressed to set the domestic hot water temperature as described in point 3-4.
(10) Central heating mode operating key
The key can be pressed to activate four boiler central heating operating modes; these
modes are identified by a black cursor line underneath the relative symbol on the display,
and are as follows:
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
temperature
Operation in manual mode at the maxi
-
mum temperature set
Operation in automatic mode
Operation in central heating mode
Operation in domestic hot water mode
020503_1100
Figure 1
SECONDARY display
MAIN display
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
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