Initial
adjusted
Description
Maximum temperature of the DHW set-point
00
: Domestic hot water mode “
OFF
”
01
: Domestic hot water mode “
ON
”
00
: Heating mode “
OFF
”
01
: Heating mode “
ON
”
Maximum boiler temperature (must be higher than the hot water temperature).
Minimum temperature for the water in the heating circuit
(adjustable from 15°C to 60°C)
.
Minimum outdoor temperature
(T4)
(adjustable from –20 to –10°C)
.
Maximum outdoor temperature
(T4)
(adjustable from 15°C to 25°C)
.
Maximum temperature of the heating circuit
Minimum temperature of the heating circuit
20
: Circulator controlled by the room thermostat – DHW priority active
21
: Continuous circulator - night reduction active – DHW priority active
50
: Circulator controlled by the room thermostat – DHW priority inactive
61
: Continuous circulator - night reduction active – DHW priority inactive
N
Y1
Y2
Ph
PE
N
N
X1
X2
X3
1 2
L
L1
1
2
3
4
5
6
7
8
9
10
11
12
13
M
BLOCK DIAGRAM FOR WIRING IN ACCORDANCE WITH APPLICABLE STANDARDS.
Outside T° (°C)
90
80
70
60
50
40
30
20
10
0
-20
-25
-10
-15
0
-5
10
5
20
15
25
P4
P15
P16
P10
P11
P12
H
ea
tin
g f
lo
w te
m
pe
ra
tu
re (
°C
)
INSTALLATION
EN • 17
664Y5300 • A
E
N
FR
R
U
P
L
DE
IT
ES
N
L
