Potterton Assure System Series User Manual

3.2.2 Technical parameters
See
The back cover for contact details.
3 Technical specifications
15
Tab.13 Technical parameters for boiler space heaters
15 18
Condensing boiler Yes Yes
Low-temperature boiler
(1)
No No
B1 boiler
No No
Cogeneration space heater No No
Combination heater No No
Rated heat output
Prated kW 15 18
Useful heat output at rated heat output and high tem
perature regime
(2)
P
4
kW 15 18
Useful heat output at 30% of rated heat output and low
temperature regime
P
1
kW
4.5 5.4
Seasonal space heating energy efficiency
ƞ
s
% 93 93
Useful efficiency at rated heat output and high temper
ature regime
ƞ
4
% 88.2 88.2
Useful efficiency at 30% of rated heat output and low
temperature regime
ƞ
1
% 97.8 97.8
Auxiliary electricity consumption
Full load elmax kW 0.025
0.030
Part load
elmin kW 0.011 0.011
Standby mode
P
SB
kW 0.003 0.003
Other items
Standby heat loss
P
stby
kW 0.040 0.040
Ignition burner power consumption
P
ign
kW 0 0
Annual energy consumption
Q
HE
GJ 46 56
Sound power level, indoors
L
WA
dB
46
48
Emissions of nitrogen oxides NO
X
mg/kWh
29 30
(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.
Potterton Assure System
12
Yes
No
No
No
No
12
12
24
Yes
No
No
No
No
24
24
4.5
93
88.2
97.8
0.020
0.011
0.003
0.040
0
38
44
24
7.2
93
88.2
97.8
0.060
0.011
0.003
0.040
0
74
51
28

Potterton Assure System Series Specifications

General

Brand	Potterton
Model	Assure System Series
Category	Boiler
Language	English