USER INSTRUCTIONS
Starting - up the boiler
•
Open the gas Isolation valve located under the
boiler.
6
7
5
4
3
2
1
8
110V 60Hz
•
Switch on the boiler by placing the ON/OFF switch
(
1
)
in the
ON
position (see “Control panel”).
•
The boiler will light automatically (with the
WINTER mode selected and room thermostat
connected).
•
Check that there are no flashing numbers on the
display
8
(see error codes). If code
H2O
appears
on the display
8
this denotes that there is no water
in the boiler. Consequently, fill the system as
described in section “Filling the system”.
■
“SUMMER” mode
To switch boiler operation to “SUMMER” mode, press
button
6
(see fig. 1). The boiler will only work for the D.H.W system. The “SUMMER” mode setting of the boiler is
signalled by the symbol
lit continuously on the control panel.
Fig. 1
The automatic ignition system will light the burner every time there is a demand for domestic hot water. In this
case, the symbol
on the control panel will flash.
■
“WINTER” mode
To switch boiler operation to “WINTER” mode, press button
6
(see fig. 1). The boiler will only work for the central
heating system. The “WINTER” mode setting of the boiler is signalled by the symbol
lit continuously on the
control panel.
The automatic ignition system will light the burner every time there is a demand for room heating. In this case, the
symbol
on the control panel will flash.
■
“SUMMER-WINTER” mode
To switch boiler operation to “SUMMER/WINTER” mode, press button
6
(see fig. 1). The boiler will work for both
central heating/D.H.W systems. The “SUMMER/WINTER” mode setting of the boiler is signalled by the symbols
lit continuously on the control panel.
The automatic ignition system will light the burner every time there is a demand for room heating or domestic hot
water, the functioning is signalled by the symbols
flashing continuously on the control panel.
■
Regulating the heating temperature
The heating temperature is regulated by knob
2
(see fig.1).
•
Rotating the knob counter-clockwise reduces the temperature.
•
Rotating the knob clockwise increases the temperature.
•
The range of temperature settings for the central heating runs from a minimum of 86°F to a maximum of 176°F,
or, in the case of low temperature operation, from a minimum of 77°F to a maximum of 138°F.
3