22
EN
Hydraulic scheme
Stand-by
Stand-by state
Season
Cir
culator heater
condition
State heating boiler/thermostove
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
OFF
01 (AMB.)
WINTER
ON IF H
2
O > PR 25
RA
TED HEA
T INPUT
IF H
2
O PROBE> SET
H
2
O (a) OR IF AMB PROBE > SET (b)
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
OFF
01 (AMB.)
WINTER
ON IF H
2
O > SON ACS + 3°
AND IF H
2
O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET DHW +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
ON
01 (AMB.)
WINTER
ON IF H
2
O > PR 25
ST
AND-BY IF AMB PROBE > AIR SET (b)
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
ON
01 (AMB.)
WINTER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET ACS +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
OFF
02 (
H
2
O
)
WINTER
ON IF H
2
O > PR 25
RA
TED HEA
T INPUT
IF PROBE H
2
O> SET
H
2
O (a)
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
OFF
02 (
H
2
O
)
WINTER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET ACS +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
ON
02 (
H
2
O
)
WINTER
ON IF H
2
O > PR 25
ST
AND-BY
IF PROBE H
2
O
> SET H
2
O
(a)
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
ON
02 (
H
2
O
)
WINTER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
RA
TED HEA
T INPUT
IF PROBE H
2
O> SET
ACS +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
OFF
03 (TERM. ES.)
WINTER
ON IF H
2
O > PR 25
RA
TED HEA
T INPUT
IF THERMOST
A
T
EXTERNAL SA
TISFIED
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
OFF
03 (TERM. ES.)
WINTER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET ACS +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
ON
03 (TERM. ES.)
WINTER
ON IF H
2
O > PR 25
ST
AND-BY THERMOST
A
T EXTERNAL
SA
TISFIED;
RA
TED HEA
T INPUT
IF H
2
O>
SET H
2
O (a);
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
ON
03 (TERM. ES.)
WINTER
ON IF H
2
O > ACS + 3°
AND IF H2O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET ACS +10 (d)
HEA
TING + DHW WITH PROBE
PROBE ACS > SET ACS.
OFF/ON
ONL
Y 2 (
H
2
O
)
SUMMER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
ST
AND-BY IF DHW PROBE> SET ACS +
1 AND FORCE ST
-BY IN ON (d)
HEA
TING + DHW WITH PROBE
PROBE ACS < SET ACS.
OFF/ON
ONL
Y 2 (
H
2
O
)
SUMMER
ON IF H
2
O > ACS + 3°
AND IF H
2
O> PR 25
OPERA
TION AND
RA
TED HEA
T INPUT
IF
PROBE H
2
O> SET ACS +10 (d)
O
nc
e th
e “
St
an
d
-b
y” c
on
di
ti
on i
s sa
ti
sfi
ed
, b
ef
ore th
e s
hu
td
ow
n
, a t
ime s
et b
y p
ar
ame
te
r m
u
st p
ass w
ith
ou
t a ch
an
g
e o
f s
ta
te
.
Summary of Contents for Francesca 17B
Page 48: ...46 EN Cod 001115 NOTES...