ECONCEPT SOLAR ST
33
EN
cod. -- - 11/2010 (Rev. 00)
4.4 Technical data table
ECONCEPT SOLAR
ST 18
ECONCEPT SOLAR
ST 25
Data
Unit
Value
Value
Max. heating capacity
kW
18
25.2
(Q)
Min. heating capacity
kW
3
5.3
(Q)
Max. Heat Output in heating (80/60°C)
kW
17.7
24.6
(P)
Min. Heat Output in heating (80/60°C)
kW
2.9
5.2
(P)
Max. Heat Output in heating (50/30°C)
kW
19
26.6
Min. Heat Output in heating (50/30°C)
kW
3.2
5.7
Max. heating capacity in hot water production
kW
18
27
Min. heating capacity in hot water production
kW
3
5.3
Max. Heat Output in hot water production
kW
17.7
26.5
Min. Heat Output in hot water production
kW
2.9
5.2
Efficiency Pmax (80-60°C)
%
98.3
98.3
Efficiency Pmin (80-60°C)
%
97.3
97.3
Efficiency Pmax (50-30°C)
%
105.4
105.4
Efficiency Pmin (50-30°C)
%
107.2
107.2
Efficiency 30%
%
109.1
109.1
Efficiency class Directive 92/42 EEC
-
NOx emission class
-
5
5
(NOx)
Gas supply pressure G20
mbar
20
20
Max. gas delivery G20
m
3
/h
1.9
2.86
Min. gas delivery G20
m
3
/h
0.32
0.56
Gas supply pressure G31
mbar
37
37
Max. gas delivery G31
kg/h
1.41
2.11
Min. gas delivery G31
kg/h
0.23
0.41
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
1.5
Heating expansion tank capacity
litres
8
8
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
180
180
DHW circuit expansion tank capacity
litres
12
12
DHW circuit expansion tank prefilling pressure
bar
3
3
DHW flow rate
'
t 30°C
(flow rate obtained without supply of solar circuit)
l/
10min
230
260
DHW flow rate
'
t 30°C
(flow rate obtained without supply of solar circuit)
l/h
650
890
(D)
Solar expansion tank capacity
litres
18
18
Protection rating
IP
X5D
X5D
Power supply voltage
V/Hz
230V/50Hz
230V/50Hz
Electrical power input
W
280
280
Electrical power input in hot water production
W
180
180
Empty weight
kg
120
125
Type of unit
C13-C23-C33-C43-C53-C63-C83-B23-B33
PIN CE
0461BT0920
0063BR3161