System Menu; Selecting The System Operating Mode; Setting The Values For The Primary Sets; Setting The Values For The Secondary Setpoints - AERMEC PCO5 User Manual

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 off and to
select the operating mode:
Plant
O General
Switch On:
YES
Mode Selection:
HEATING
Enable: allows to select the mode with which to turn the unit on or off; 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:
Plant
Setpoint 1
7.0°C
45.0°C
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:
Plant
Setpoint 2
12.0°C
40.0°C
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):
Plant
Timezone
Day
a 08:00 12:00
b 16:00 22:00
It is possible to assign up to four time bands (a, b, c, d) for each day of the week,
during which a specific action can be selected:
— ON: system on with setpoint 1 (nominal);
— SET2: system on with setpoint 2;
— OFF: system off;
NB: the system keeps the system off outside the time bands.
MONDAY
SEL
ON
ON
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