
42
Automatic Boiler Control by means of Collectors (ABC)
The function ‘ A
$
C U3 ’ is an interesting addition to the
Manual mode.
9
hen the function ‘ A
$
C ’ is enabled
the collector pump
in
contrast to the Manual mode
in which it is always running
is stopped if the collector temperature
measured by the
probe S1
drops below the temperature set in the ‘ TA
$
C ’
parameter in the installer parameters.
Antifrost Activation
The ‘ AFR U2 ’ parameter (anti-frost) enables or disables the
antifrost function. The management of the antifrost data is
performed through the user parameters.
j
PRESS T
*
E ‘
‘ KEY;
T
*
E DISPLAY S
*
O
9
S ‘AFR’ FLAS
*
IN
)
.
USIN
)
T
*
E ‘
S
‘ or ‘
T
‘ ARRO
9
S IT IS POSSI
$
LE TO
ENA
$
LE OR DISA
$
LE T
*
E ANTIFROST:
0: DISABLED
1: ENABLED
(T
*
E DISPLAY S
*
O
9
S
Q
)
PRESS T
*
E ‘
‘ KEY TO CONFIRM T
*
E
PRO
)
RAMMIN
)
OR PRESS T
*
E ‘
esc
’ KEY TO
3
UIT
USER PARAMETERS.
j
j
PRESS T
*
E ‘
‘ KEY;
T
*
E DISPLAY S
*
O
9
S ‘ A
$
C ’ FLAS
*
IN
)
.
PRESS T
*
E ‘
‘ KEY TO CONFIRM T
*
E
PRO
)
RAMMIN
)
OR PRESS T
*
E ‘
esc
’ KEY TO
3
UIT
USER PARAMETERS.
j
USIN
)
T
*
E ‘
S
‘ or ‘
T
‘ ARRO
9
S IT IS POSSI
$
LE TO
ENA
$
LE OR DISA
$
LE T
*
E A
$
C:
0: DISABLED
1: ENABLED
(T
*
E DISPLAY S
*
O
9
S
P
and )