EN • 19
ENGLISH
FRANCAIS
NEDERLANDS
ES
p
A
ño
L
IT
ALIAN
o
DE
u
TSCH
664Y3300
90
80
70
60
50
40
30
20
10
0
-20
-25
-10
-15
0
-5
10
5
20
15
25
P4
P5
P6
P7
Outside T° (°C)
Boiler flow temperature (°C)
INSTALLATIoN
4
5
6
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
13
Remove this link to connect the room
thermostat.
initial
Description
Temperature set point for domestic hot water
(adjustable from 60 to 80°C)
.
00
: Domestic hot water “OFF”
01
: Domestic hot water “ON”
00
: Heating mode “OFF”
01
: Heating mode “ON”
Temperature set point for the water in the heating circuit
(adjustable from 30 to 90°C)
.
Minimum temperature for the water in the heating circuit
(adjustable from 15 to 60°C)
.
Minimum outside [T4] temperature
(adjustable from -20 to 10°C).
Maximum outside [T4] temperature
(adjustable from 15 to 25°C)
.
The central heating system will only decrease the temperature at night (°C)
if a clock is connected between
1
and
2
and
p34
is set to
01
.
Increase of the primary temperature set point to generate hot water
00
:
Use of an outside temperature sensor and of a room thermostat
01
:
Use of an outdoor sensor and a clock; in this case the circulator runs
continuously.
12
: if there is a tank with an NTC sensor
13
: if there is a tank with a thermostat
Summary of Contents for 120
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