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3. Description
0
2
4
6
8
10
bar
#
F
!
% $
AUTO
STD
0
2
4
6
8
10
bar
#
F
!
% $
AUTO
STD
0
2
4
6
8
10
bar
F
#
!
% $
AUTO
STD
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24
:
<
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<
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<
n Operating modes
Summer mode: The heating is off. Domestic hot water
p
continues to be produced
WINTER mode: Heating and domestic hot water working
b
Operation in automatic mode according to the timer
AUTO
programme
Comfort mode: The symbol is displayed when a DAY
x
override (comfort) is activated
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
4
Reduced mode: The symbol is displayed when a NIGHT
m
override (reduced) is activated
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
4
Holiday mode: The symbol is displayed when a HOLIDAY
g
override (antifreeze) is activated
Flashing symbol: Holiday mode programmed
4
Steady symbol: Holiday mode active
4
Manual mode
m
n System pressure
Pressure indicator: The symbol is displayed when a water
bar
pressure sensor is connected.
Flashing symbol: The quantity of water is insufficient.
4
Steady symbol: The quantity of water is sufficient.
4
Water pressure level
l
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
4
MCA 15 - MCA 25 MCA 25/28 MI
23/08/2011 - 300024159-001-B
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