1 Specific information
1.1 Recommendations
Note
Only qualified persons are authorised to assemble, install and
maintain the installation.
1.2 Ecodesign Directive
This product conforms to the requirements of European Directive
2009/125/EC on the ecodesign of energy-related products.
1.3 Technical data
Tab.1
Technical parameters for boiler space heaters
Product name
CALORA
TOWER GAS
15S EX
CALORA
TOWER GAS
25S EX
CALORA
TOWER GAS
35S EX
Condensing boiler
Yes
Yes
Yes
Low-temperature boiler
No
No
No
B1 boiler
No
No
No
Cogeneration space heater
No
No
No
Combination heater
No
No
No
Rated heat output
Prated
kW
15
25
35
Useful heat output at rated heat output and
high temperature regime
P
4
kW
14.9
24.8
34.8
Useful heat output at 30% of rated heat output
and low temperature regime
P
1
kW
5.0
8.3
11.6
Seasonal space heating energy efficiency
ƞ
s
%
94
94
94
Useful efficiency at rated heat output and high
temperature regime
ƞ
4
%
89.5
89.4
89.3
Useful efficiency at 30% of rated heat output
and low temperature regime
ƞ
1
%
99.3
99.2
99.6
Auxiliary electricity consumption
Full load
elmax
kW
0.031
0.045
0.062
Part load
elmin
kW
0.021
0.019
0.021
Stand-by
P
SB
kW
0.004
0.004
0.004
Other characteristics
Standby heat loss
P
stby
kW
0.078
0.078
0.085
Ignition burner power consumption
P
ign
kW
-
-
-
Annual energy consumption
Q
HE
GJ
46
77
107
Sound power level, indoors
L
WA
dB
46
51
53
Emissions of nitrogen oxides
NO
X
mg/kWh
30
34
38
(1) Low temperature means for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C return temperature (at
heater inlet).
(2) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
1 Specific information
300026141 - ErP02 - 03052016
3
