ECONCEPT ST
43
EN
cod. 3540S814 -
/201
(Rev. 00)
5.3 Technical data table
The column on the right gives the abbreviation used on the dataplate.
5.4 Diagrams
Circulating pumps Head/Pressure loss
fig. 32 - Pressure losses ECONCEPT ST 25
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
fig. 33 - Pressure losses ECONCEPT ST 35
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
ECONCEPT ST
25
ECONCEPT ST
35
Data
Unit
Value
Value
Max. heating capacity
kW
25.2
34.8
(Q)
Min. heating capacity
kW
5.3
6.5
(Q)
Max. Heat Output in heating (80/60°C)
kW
24.6
34.2
(P)
Min. Heat Output in heating (80/60°C)
kW
5.2
6.3
(P)
Max. Heat Output in heating (50/30°C)
kW
26.6
36.7
Min. Heat Output in heating (50/30°C)
kW
5.7
6.9
Max. heating capacity in hot water production
kW
27
34.8
Min. heating capacity in hot water production
kW
5.3
6.5
Max. Heat Output in hot water production
kW
26.5
34.2
Min. Heat Output in hot water production
kW
5.2
6.3
Efficiency Pmax (80/60°C)
%
98.3
98.5
Efficiency Pmin (80/60°C)
%
97.3
97
Efficiency Pmax (50/30°C)
%
105.4
105.5
Efficiency Pmin (50/30°C)
%
107.2
106.9
Efficiency 30%
%
109.1
109.1
Gas supply pressure G20
mbar
20
20
CO
2
max. (G20)
%
9.0
9.0
CO
2
min. (G20)
%
8.5
8.5
Max. gas delivery G20
m
3
/h
2.86
3.68
Min. gas delivery G20
m
3
/h
0.56
0.69
Gas supply pressure G31
mbar
37
37
CO
2
max. (G31)
%
10
10
CO
2
min. (G31)
%
9.5
9.5
Max. gas delivery G31
kg/h
2.11
2.73
Min. gas delivery G31
kg/h
0.41
0.51
Efficiency class Directive 92/42 EEC
-
NOx emission class
-
5
5
(NOx)
Max. fume temperature (80°C - 60°C)
°C
65
65
Min. fume temperature (80°C - 60°C)
°C
60
60
Max. fume temperature (50°C - 30°C)
°C
46
46
Min. fume temperature (50°C - 30°C)
°C
31
31
Max. fume flowrate
kg/h
41.2
58.6
Min. fume flowrate
kg/h
9.4
11.5
Max. working pressure in heating
bar
3
3
(PMS)
Min. working pressure in heating
bar
0.8
0.8
Max. heating temperature
°C
95
95
(tmax)
Heating water content
litres
1.5
2
Heating expansion tank capacity
litres
8
10
Heating expansion tank prefilling pressure
bar
1
1
Max. working pressure in hot water production
bar
9
9
(PMW)
Min. working pressure in hot water production
bar
0.25
0.25
Hot water content
litres
25
25
Hot water expansion tank capacity
litres
2
2
DHW circuit expansion tank prefilling pressure
bar
1
3
DHW flowrate
'
t 30°C
l/10min
160
200
DHW flowrate
'
t 30°C
l/h
790
1000
(D)
Protection rating
IP
X5D
X5D
Power supply voltage
V/Hz
230V/50Hz
230V/50Hz
Electrical power input
W
180
190
Electrical power input in hot water production
W
180
190
Empty weight
kg
53
59
Type of unit
C
13
-C
23
-C
33
-C
43
-C
53
-C
63
-C
83
-B
23
-B
33
PIN CE
0063BR3161
0
1
2
3
4
5
6
7
0
500
1.000
1.500
2.000
Q
[l/h]
H
[m H
2
O]
A
3
2
1
A
0
1
2
3
4
5
6
7
0
500
1.000
1.500
2.000
Q
[l/h]
H
[m H
2
O]
3
1
2
