15
7 - SELECTION OF THE OPERATING MODE
- Ventilation mode with 100% fresh air (optional): on this
screen it is possible to select this ventilation mode. It allows
operation for indoor fans, the return damper will close and the
fresh air and extraction air dampers (according to the assembly)
will be opened at 100%. The analog input U2 of the c.pCOe
expansion module with address 8 is used for the activation
of this mode.
• On the Graphic terminal:
From the MAIN MENU, in the group B. HCCONFIG.
FC01
select. Winter/summer
'automatic'
by out.T.
WINTER
SUM. if out.T > 22.0ßC
WIN. if out.T < 20.0ßC
Enable lock: N
- Automatic: on this screen, it is possible to select two options
for automatic mode:
* By outdoor temperature (by default): The unit changes from
operation in COOLING mode to HEATING mode or vice
versa depending on the temperature measured by the outdoor
air probe.
In this case, the setpoints of outdoor temperature can be
modifi ed in COOLING mode or HEATING mode.
FC01
Winter/summer select.
'by keyboard'
WINTER
Enable lock: N
Nevertheless, these operations can also be carried out using
the following key combinations:
: HEATING mode
: COOLING mode
Note: When the parameter «Enable lock» is activated (Y),
this screen is for information purposes only, so that the fi nal
user cannot change it. In this case, it has been blocked from
a screen of the Group H. SERCONFIG (protected by level 2
password).
FC01
Winter/summer select.
'only ventilation'
Enable lock: N
This screen allows to select 3 options:
- By keyboard: on this screen, it is possible to switch between
summer mode (COOLING) and winter mode (HEATING).
Press the
key, the following screen is reached:
FC01
Winter/summer select.
'by keyboard'
SUMMER
Enable lock: N
- Only ventilation: on this screen it is possible to select the
VENTILATION mode. It allows operation for only indoor fans
and free-cooling/free-heating.
There are di erent procedures for the selection of the operating
mode:
* By indoor temperature: The unit changes from operation in
COOLING mode to HEATING mode or vice versa depending
on the temperature measured by the ambient (or return) air
probe and the active COOLING and HEATING setpoints
FC01
Winter/summer select.
'automatic'
by ind.T.
WINTER
Enable lock: N
• On the User terminal (optional):
By pressing the key, the operating mode of the unit
can be selected. With each press, the icon corresponding to the
operating mode selected will be lit up.
The availables modes are: HEATING
- COOLING -
AUTO
y VENTILATION (without icon).
FC01
Winter/summer select.
'ventilation 100%'
Enable lock: N
• Remote COOLING/HEATING (optional):
The selection of the COOLING/HEATING operating mode can be
done using the digital input U5 of the expansion card c.pCOe
with address 8:
- closed contact: HEATING mode (Winter)
- open contact: COOLING mode (Summer)
Note: The selection of the type of switching “by digital input” is
carried out on a screen of the Group G. GENCONFIG (protected
by level 3 password).
C
D
B
Main menu 02/15
HCCONFIG
SETPOINT
GASCONFIG
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