n
Operating modes
p
Summer mode: The heating is off. Domestic hot water
continues to be produced
b
WINTER mode: Heating and domestic hot water working
AUTO
Operation in automatic mode according to the timer
programme
x
Comfort mode: The symbol is displayed when a DAY
override (comfort) is activated
4
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
m
Reduced mode: The symbol is displayed when a NIGHT
override (reduced) is activated
4
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
g
Holiday mode: The symbol is displayed when a HOLIDAY
override (antifreeze) is activated
4
Flashing symbol: Holiday mode programmed
4
Steady symbol: Holiday mode active
m
Manual mode
n
System pressure
bar
Pressure indicator: The symbol is displayed when a water
pressure sensor is connected
4
Flashing symbol: The quantity of water is insufficient
4
Steady symbol: The quantity of water is sufficient
l
Water pressure level
4
R
: 0,9 to 1,1 bar
4
E
: 1,2 to 1,5 bar
4
Z
: 1,6 to 1,9 bar
4
A
: 2,0 to 2,3 bar
4
l
: > 2,4 bar
bar
STD
t
0
2
4
6
8
10
12
14
16
18
22
24
20
C
0
0
2
6
9
7
-B
p
b
AUTO
x c
r
j
M
g
m
bar
STD
t
0
2
4
6
8
10
12
14
16
18
22
24
20
C
0
0
2
6
9
8
-B
p
b
AUTO
x c
r
j
M
g
m
bar
STD
t
0
2
4
6
8
10
12
14
16
18
22
24
20
C
0
0
2
7
0
8
-A
p
b
AUTO
x c
r
j
M
g
m
MCA 15 - MCA 25 MCA 25/28 MI
5. Start-up
29/04/2010 - 300022146-001-B
59
