38
GB
6795773_01
This allows to set the function to be assigned to the multi-
function output available on the VMF-ACS accessory; for further
information on this output, refer to the VMF-ACS accessory
manual in section “Multi-function output connection“; to set this
value it is necessary to:
(1) Enter modifi cation mode by pressing the
C
key; after this
key has been pressed, the current setting will be highlighted.
(2) Press the
A
or
B
key to modify the setting; the settings
of this function can be:
• DHW ALARM PRESENCE (the contact closes in the
presence of an alarm inherent to DHW);
• DOMESTIC HOT WATER RESISTANCE ON/OFF (the
contact closes when the supplementary resistance present
in the DHW storage tank is activated);
• DOMESTIC HOT WATER CYCLE ON/OFF (the contact
remains closed during the entire period of time in which the
system is producing DHW);
• ANTI-LEGIONELLA CYCLE ON/OFF (the contact remains
closed during the entire time period of the anti-legionella
cycle);
• FAN COIL THERMOSTATS ON/OFF (the contact closes if at
least one thermostat of a fan coil requests to function);
• SUPPLEMENTARY RESISTANCE ON/OFF (the contact
closes when the supplementary resistance/boiler is active);
• HEAT PUMP ALARM (the contact closes when the heat
pump is in alarm conditions).
(3) Press the
C
key to confi rm the value entered; once this
key has been pressed, the current setting will be highlighted
normally, thus indicating that the modifi cation procedure has
concluded.
After the data has been entered, it will be possible to:
- Pass on to the following window by pressing the
B
key.
- Go back to the previous window by pressing the
A
key.
- Press the
D
key to return to the selection of the menus.
• Set the multi-function output on the VMF-ACS accessory:
In the proposed system example, the
multi-function output is used to connect
a light indicator signalling to the user
whether the anti-legionella cycle is in
progress; this indicator is not supplied as
an accessory.
A
B
C
Contact aux DHW
ESC
D
ON/OFF CICLO
ANTILEGIONELLA
