Ariston EURO COMBI A/27 MFFI Manuale di istruzioni per l'installazione - Pagina 4

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Ariston EURO COMBI A/27 MFFI Manuale di istruzioni per l'installazione
1.2

Technical Information

4
chamber visually.
4 - Visual check of the combustion: clean burners if necessary.
5 - With reference to point 3, dismantle and clean the combustion chamber if
necessary.
6 - With reference to point 4, dismantle and clean the injectors if necessary.
7 - Visual check of the primary heat exchanger:
- check for overheating of the exchangers fins;
- clean the exhaust side of the exchanger and fan if necessary.
8 - Regulate the gas pressure, ignition pressure, partial flame, maximum
flame.
9 - Check proper operation of the heating safety system:
- maximum safety temperature;
- maximum safety pressure.
10 - Check the proper operation of the gas safety system:
- gas or flame safety device;
- gas valve safety device.
11 - Check that the electrical connections have been made in compliance with
the instructions shown in the installation instructions.
12 - Check the efficiency of the hot water supply (flow and temperature).
13 - Check general operation of the appliance.
14 - Check the exhaust system for the combustion products.
CE Certification
Heat Input
Heat Output
Efficiency of Nominal Heat Input
Efficiency at 30% of Nominal Heat Input
Heat Loss to the Casing (³T=50°C)
Flue Heat Loss with Burner Operating
Flue Heat Loss with Burner Off
Maximum Discharge of Fumes (G20-G25) Kg/h
Residual Discharge Head
Consumption at Nominal Capacity (G20-G25) m
Gas Consumption after 10 Minutes*
(15°C, 1013 mbar) (G30-G31)
Temp. of exhaust fumes at nominal
capacity (G20-G25)
CO
Content
2
O
Content
2
CO Content
Minimum Ambient Temperature
Head Loss on Water Side (max) (³T=20°C) mbar
Residual Head of System
Heating Temperature
Domestic Hot Water Temperature
D.H.W. Flow Rate ³T=35°C
D.H.W. Flow Rate ³T=35°C
D.H.W. Minimum Flow Rate
Pressure of Domestic Hot Water
Expansion Vessel Capacity
Expansion Vessel Pre-load Pressure
Maximum Water Content in System
Maximum Heating Pressure
Nominal Pressure Natural Gas (G20-G25) mbar
LPG
Electrical Supply
Power Consumption
Protection Grade of Electrical System
Internal Fuse Rating
Weight
G.C. Number
*Calculated at 70% maximum output
max/min kW
max/min kW
%
%
%
%
%
mbar
3
/h
m
3
Kg/h
°C
%
%
ppm
°C
bar
max/min °C
max/min °C
l/min
gal/min
l/min
max/min bar
l
bar
l
bar
(G30-G31) mbar
V/Hz
W
IP
Kg.
A/23 MFFI
A/27 MFFI
25.6/11.0
29.8/12.0
23.1/9.2
27.3/10.1
90.2
91.6
88.3
87.8
1.2
1.3
8.6
7.1
0.4
0.4
62
59
1.15
1.4
2.72/3.32
3.16/3.86
0.32/0.39
0.37/0.45
2.35/2.32
2.02/2.00
137
128
6.6
5.8
8.0
9.2
34
32
+5
+5
200
200
0.25
0.25
82/42
82/42
56/36
56/36
9.5
11.2
2.5
2.1
2.6
2.6
6/0.2
6/0.2
7
7
1
1
145
145
3
3
20-25
20-25
30-37
30-37
230 / 50
230 / 50
150
190
44
44
FAST 2 AT
FAST 2 AT
47
47
47-116-10
47-116-12
B023