34
925.476.4 - EN
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. temperature value (°C).
This function allows the user to quickly set a different domestic hot water setpoint.
There are two different setpoint which can be quickly set:
ECO
and
COMFORT
.
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.
3.1 SYMBOL MEANING
0605_1101
Figure 2
There are
4 power levels
displayed during boiler operation
regarding the gas boiler modulation, as shown in figure 2:
Press this button to set the following boiler operation modes:
• SUMMER
• WINTER
• HEATING ONLY
• OFF
In
SUMMER
mode, the display shows
. The boiler satisfies requests for domestic hot water only while central heat-
ing is NOT enabled (ambient antifreeze function active).
In the
WINTER
mode, the display shows
and
The boiler satisfies requests for both domestic hot water and
central heating (ambient antifreeze function active).
In the
HEATING ONLY
mode, the display shows
The boiler satisfies requests for central heating only (ambient anti-
freeze function active).
In the
OFF
mode, the display shows neither of the above two symbols (
) (
) In this mode, only the ambient anti-
freeze function is active while requests for domestic hot water and central heating are not satisfied.
3.2 DESCRIPTION OF BUTTON (Summer - Winter - Heating only - Off)
Summary of Contents for star master 240 Fi
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Page 85: ...85 925 476 4 RU 5 OFF OFF 3 2 OFF 6 7 LPG 5 C 30 C 8 3 0 7 1 5 OFF 3 2 3 0503_2405...
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