53
STHSC ed 0710
HERCULES Solar 26 1A
Technical Documentation
Technical Documentation
Technical Data
BOILER TECHNICAL DATA
Domestic hot water nominal heat input
kW (kcal/h)
26.9 (23147)
Central heating nominal heat input
kW (kcal/h)
24.3 (20904)
Minimum heat input
kW (kcal/h)
3.2 (2768)
Domestic hot water nominal heat output (useful)
kW (kcal/h)
26.0 (22360)
Central heating nominal heat output (useful)
kW (kcal/h)
23.6 (20253)
Minimum heat output (useful)
kW (kcal/h)
3.0 (2580)
Efficiency 80/60 Nom./Min.
%
96.9 / 93.2
Efficiency 50/30 Nom./Min.
%
105.3 / 106.8
Efficiency 40/30 Nom./Min.
%
107.5 / 108.8
Heat loss at casing with burner On/Off (80-60°C)
%
0.58 / 0.90
Heat loss at flue with burner On/Off (80-60°C)
%
0.03 / 2.50
Central heating circuit max. operating pressure
bar
3
Central heating circuit max. operating temperature
°C
90
Max. adjustable central heating temperature
°C
30 - 85
Min. adjustable central heating temperature
°C
25 - 85
Total volume system heating expansion vessel
l
10,8
Heating expansion tank pre-charge pressure
bar
1,0
Total volume domestic hot water expansion vessel
l
4.3
Domestic hot water expansion vessel pre-charge pressure
bar
2.5
Water content in generator
l
7.6
High temperature zone total head available with 1000 l/h flow rate
kPa (m H
2
O)
30.90 (3.15)
Low temperature zone total head available with 1000 l/h flow rate
kPa (m H
2
O)
35.30 (3.60)
Hot water production useful heat output
kW (kcal/h)
26.0 (22360)
Domestic hot water adjustable temperature
°C
20 - 60
Domestic hot water circuit flow limiter at 2 bar
l/min
29.3
Min. pressure (dynamic) domestic hot water circuit
bar
0.3
Domestic hot water circuit max. working pressure
bar
8.0
*Specific capacity “D” according to EN 625
l/min
19.0
Drawing capacity in continuous duty (∆T 30°C)
l/min
13.1
Domestic hot water performance classification according to N 13203-1
Weight of full boiler
kg
404.4
Weight of empty boiler
kg
193.8
Electrical connection
V/Hz
230 / 50
Power input
A
0.99
Installed electric power
W
190
Boiler pump consumption
W
88
Zone pump consumption
W
34
Fan consumption
W
24.6
Equipment electrical system protection
-
IPX5D
Flue gas max. temperature
°C
75
NO
X
class
-
5
Weighted NO
X
mg/kWh
21.3
Weighted CO
mg/kWh
16.9
Type of appliance
C13 / C23 / C33 / C43 / C53 / C83 / C93 / B23p
/ B33
Category
II2H3B/P
SOLAR CIRCUIT TECHNICAL DATA
Maximum continuous working temperature
°C
130
Maximum peak temperature
°C
150
Safety valve pressure
bar
6
Total volume hot water expansion vessel
l
10,8
Expansion vessel factory-set pressure
bar
2.5
Content of glycol in the solar circuit
l
2.0
Pump consumption
W
36
Total head available with 800 l/h flow rate
kPa (m c.a.)
10.50 (1.07)
Flow rate regulator control range
l/min
1 - 6