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7217395.01
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INSTRUCTIONS PERTAINING TO THE USER
4. CENTRAL HEATING (CH) AND DOMESTIC HOT WATER (D.H.W.) TEMPERATURE ADJUSTMENT
The CH (
) and D.H.W. (
) temperature adjustment are carried out by pressing the relative
+/-
buttons (figure 1).
When the burner is lighted the display shows the symbol ( ).
CENTRAL HEATING (CH)
The system must be equipped with a room thermostat (see the relevant regulations) to control the temperature in the rooms.
During a CH mode, the display shows a CH (
) blinking symbol and the CH flow temperature value (°C).
DOMESTIC HOT WATER (D.H.W.)
During a D.H.W. request, the display shows a D.H.W. (
) blinking symbol and the D.H.W. flow temperature value (°C).
There are two different setpoint which can be quickly set:
ECO
and
COMFORT
.
To adjust the temperature values, proceed as follows:
ECO
The ECO temperature setpoint allows the user to quickly set the relative domestic hot water temperature pressing the
P
button. In eco function the display reads out
“eco”
. To set the ECO temperature setpoint press the
+/-
buttons.
COMFORT
The COMFORT temperature setpoint allow the user to quickly set the relative domestic hot water temperature pressing
the
P
button. To set the COMFORT temperature setpoint press the
+/-
buttons.
Note:
during a D.H.W. demand, with a D.H.W. storage tank connected to the gas boiler, the display shows the (
) symbol
and the flow tank temperature value.
3.1 SYMBOL MEANING
There are
4 power levels
displayed during boiler operation
regarding the gas boiler modulation, as shown in figure 2:
0605_1101
Figure 2
3.2 DESCRIPTION OF BUTTON
(SUMMER - WINTER - HEATING ONLY - OFF)
Press this button to set the following boiler operating modes:
• SUMMER
• WINTER
• HEATING ONLY
• OFF
In the
SUMMER
mode, the display shows (
). The boiler satisfies requests for DHW only while central heating is NOT
enabled (ambient frost protection function active).
In the
WINTER
mode, the display shows (
and
). The boiler satisfies requests for both DHW and central heating
(ambient frost protection function active).
In the
HEATING ONLY
mode, the display shows (
). The boiler satisfies requests for central heating only (ambient frost
protection function active).
In the
OFF
mode, the display shows neither of the above two symbols (
) (
). In this mode only the ambient frost
protection function is enabled, any other request for DHW or heating is not satisfied.
