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4.3 Hydraulic circuit
9
5
4
7
8
3
fig. 12 - Hydraulic circuit
1
Gas inlet
2
Cold water inlet
3
Domestic hot water outlet
4
Burner assembly
5
Copper exchanger
40
ENG
6
10
1
2
6
Combustion gas collector
7
Gas valve
8
DW temperature sensor
9
Safety thermostat
10 DW input solar thermostat
4.4 Technical data table
Data
Maximum heat capacity
Minimum heat capacity
Maximum heat capacity
Minimum heat capacity
Performance at max. power
Burner injectors G20
Gas supply pressure G20
Max. burner pressure with G20
Min. burner pressure with G20
Maximum gas delivery G20
Minimum gas delivery G20
Burner injectors G30
Gas supply pressure G30
Max. burner pressure with G30
Min. burner pressure with G30
Maximum gas delivery G30
Minimum gas delivery G30
Burner injectors G31
Gas supply pressure G31
Max. burner pressure with G31
Min. burner pressure with G31
Max. gas delivery G31
Min. gas delivery G31
Water heating energy efficiency
class
NOx emission class
Max. operating pressure
Min. operating pressure
DHW delivery ∆25º
DHW delivery ∆30º
Degree of protection
Supply voltage
Absorbed electrical power
Empty weight
Weight with packaging
Type of unit
PIN CE
code A73022200
SKY ECO C
Units
11
14
kW
21.7
26.9
kW
8.3
10.3
kW
19.2
23.9
kW
7.1
8.8
%
88.5
88.7
no.
12 x 0.85
14 x 0.85
x Ø
mbar
20
20
mbar
13
14
mbar
2
2
m
/h
2.241
2.85
3
m
/h
0.873
1.10
3
no.
12 x 0.50
14 x 0.50
x Ø
mbar
28/30
28/30
mbar
27.5
27.5
mbar
5
5
m
/h
1.7
2.11
3
m
/h
0.65
0.80
3
no.
12 x 0.50
14 x 0.50
x Ø
mbar
37
37
mbar
35
35
mbar
5
5
m
3
/h
1.7
2.11
m
3
/h
0.65
0.65
***
***
-
6 (<56mg/kWh)
bar
10
10
bar
0.2
0.2
l/min
11
13.7
l/min
5.5
6.9
IP
X5D
X5D
V/Hz
230V/50Hz
W
40
40
Kg
13
14
Kg
18
19
B11BS
Q
Q
NOx
MSP
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