User Manual

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 2420
C002697-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 2420
C002698-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 2420
C002708-A
p
b
AUTO
x c
r
j
M
g
m
3. Description MCA 15 - MCA 25 MCA 25/28 MI
13
23/08/2011 - 300024159-001-B