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ECONCEPT ST
5.3 Technical data table
The column on the right gives the abbreviation used on the dataplate.
Data
Max. heating capacity
Min. heating capacity
Max. Heat Output in heating (80/60°C)
Min. Heat Output in heating (80/60°C)
Max. Heat Output in heating (50/30°C)
Min. Heat Output in heating (50/30°C)
Max. heating capacity in hot water production
Min. heating capacity in hot water production
Max. Heat Output in hot water production
Min. Heat Output in hot water production
Efficiency Pmax (80/60°C)
Efficiency Pmin (80/60°C)
Efficiency Pmax (50/30°C)
Efficiency Pmin (50/30°C)
Efficiency 30%
Gas supply pressure G20
CO
max. (G20)
2
CO
min. (G20)
2
Max. gas delivery G20
Min. gas delivery G20
Gas supply pressure G31
CO
max. (G31)
2
CO
min. (G31)
2
Max. gas delivery G31
Min. gas delivery G31
Efficiency class Directive 92/42 EEC
NOx emission class
Max. fume temperature (80°C - 60°C)
Min. fume temperature (80°C - 60°C)
Max. fume temperature (50°C - 30°C)
Min. fume temperature (50°C - 30°C)
Max. fume flowrate
Min. fume flowrate
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Heating expansion tank capacity
Heating expansion tank prefilling pressure
Max. working pressure in hot water production
Min. working pressure in hot water production
Hot water content
Hot water expansion tank capacity
DHW circuit expansion tank prefilling pressure
DHW flowrate t 30°C
DHW flowrate t 30°C
Protection rating
Power supply voltage
Electrical power input
Electrical power input in hot water production
Empty weight
Type of unit
PIN CE
ECONCEPT ST
ECONCEPT ST
25
35
Unit
Value
Value
kW
25.2
34.8
kW
5.3
6.5
kW
24.6
34.2
kW
5.2
6.3
kW
26.6
36.7
kW
5.7
6.9
kW
27
34.8
kW
5.3
6.5
kW
26.5
34.2
kW
5.2
6.3
%
98.3
98.5
%
97.3
97
%
105.4
105.5
%
107.2
106.9
%
109.1
109.1
mbar
20
20
%
9.0
9.0
%
8.5
8.5
3
2.86
3.68
m
/h
3
0.56
0.69
m
/h
mbar
37
37
%
10
10
%
9.5
9.5
kg/h
2.11
2.73
kg/h
0.41
0.51
-
-
5
5
°C
65
65
°C
60
60
°C
46
46
°C
31
31
kg/h
41.2
58.6
kg/h
9.4
11.5
bar
3
3
bar
0.8
0.8
°C
95
95
litres
1.5
2
litres
8
10
bar
1
1
bar
9
9
bar
0.25
0.25
litres
25
25
litres
2
2
bar
1
3
l/10min
160
200
l/h
790
1000
IP
X5D
X5D
V/Hz
230V/50Hz
230V/50Hz
W
180
190
W
180
190
kg
53
59
C
-C
-C
-C
-C
-C
-C
-B
-B
13
23
33
43
53
63
83
23
33
0063BR3161
cod. 3540S814 -
5.4 Diagrams
Circulating pumps Head/Pressure loss
H [m H
O]
2
7
6
(Q)
3
(Q)
5
(P)
2
4
(P)
3
1
2
1
0
0
500
fig. 32 - Pressure losses ECONCEPT ST 25
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
H [m H
O]
2
7
3
6
2
5
4
1
3
(NOx)
2
1
0
0
500
fig. 33 - Pressure losses ECONCEPT ST 35
(PMS)
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
(tmax)
(PMW)
(D)
/201
(Rev. 00)
1.000
1.500
1.000
1.500
EN
A
2.000
Q [l/h]
A
2.000
Q [l/h]
43
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