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5 SYSTEM MENU
5.1 SELECTING THE SYSTEM OPERATING MODE
This mask is used to display the current unit state, to turn the unit on or o and to
select the operating mode:
HEATING
Mode Selection:
YES
Switch On:
O General
Enable: allows to select the mode with which to turn the unit on or o; the available
options are:
— OFF: the system does not produce hot/chilled water;
— YES: the system regulates via the main probe based on the system setpoint;
— YES WITH SET2: the system regulates via the main probe based on setpoint 2;
— BY CLOCK: the system regulates only when time bands are active;
Mode selection: allows to select the operating mode used to operate the unit; the
available options are:
— COOLING: the system is in cooling mode;
— HEATING: the system is in heating mode;
— FROM OUTSIDE TEMP.: summer or winter mode is selected based on the outside
temperature;
— FROM DIG. INPUT: if the digital contact closes, the hot mode is selected;
— BY SUPERVIS.: the BMS system controls remotely;
— BY CALENDAR: hot mode is selected by the calendar;
5.2 SETTING THE VALUES FOR THE PRIMARY SETS
This mask is used to set the values to assign to the primary working setpoints:
7.0°C
45.0°C
Setpoint 1
The primary working setpoints are:
— : setpoint 1 for cooling mode;
— : setpoint 1 for heating mode;
5.3 SETTING THE VALUES FOR THE SECONDARY
SETPOINTS
This mask is used to set the values to assign to the secondary working setpoints:
12.0°C
40.0°C
Setpoint 2
Plant
The secondary working setpoints are:
— : setpoint 2 for cooling mode;
— : setpoint 2 for heating mode;
5.4 SETTING THE TIME BANDS (A) AND (B)
NB: this mask is only visible if "BY CLOCK" is selected on the page "Se-
lecting the system operating mode";
This mask is used to set the times and action to assign to the time bands (a) and (b):
a
b
08:00
16:00 22:00
12:00 ON
SEL
ON
MONDAYDay
Timezone
It is possible to assign up to four time bands (a, b, c, d) for each day of the week,
during which a specic action can be selected:
— ON: system on with setpoint 1 (nominal);
— SET2: system on with setpoint 2;
— OFF: system o;
NB: the system keeps the system o outside the time bands.
5.5 SET THE TIME BANDS (C) AND (D)
NB: this mask is only visible if "BY CLOCK" is selected on the page "Se-
lecting the system operating mode";
This mask is used to set the times and action to assign to the time bands (c) and (d):
c
d
08:00
16:00 22:00
12:00 ON
SEL
ON
MONDAYDay
Timezone
It is possible to assign up to four time bands (a, b, c, d) for each day of the week,
during which a specic action can be selected:
— ON: system on with setpoint 1 (nominal);
— SET2: system on with setpoint 2;
— OFF: system o;
NB: the system keeps the system o outside the time bands.
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