Potterton Assure System 15 User Manual

Potterton Assure Combi 25 30
Installed weight when filled with water kg 33.5 33.5
3.2.2
Technical parameters
Tab.14 Technical parameters for boiler combination heaters
Potterton Assure Combi 25 30
Condensing boiler Yes Yes
Low-temperature boiler
(1)
No No
B1 boiler No No
Cogeneration space heater No No
Combination heater Yes Yes
Rated heat output Prated kW 20 25
Useful heat output at rated heat output and high tem
perature regime
(2)
P
4
kW 20 25
Useful heat output at 30% of rated heat output and low
temperature regime
P
1
kW 6.0 7.5
Seasonal space heating energy efficiency ƞ
s
% 93 93
Useful efficiency at rated heat output and high temper
ature regime
ƞ
4
% 97.3 96.7
Useful efficiency at 30% of rated heat output and low
temperature regime
ƞ
1
% 107.7 107.6
Auxiliary electricity consumption
Full load elmax kW 68 78
Part load elmin kW 50 53
Standby mode P
SB
kW 0.003 0.003
Other items
Standby heat loss P
stby
kW 0.069 0.069
Ignition burner power consumption P
ign
kW 0 0
Annual energy consumption Q
HE
GJ 62 77
Sound power level, indoors L
WA
dB 50 53
Emissions of nitrogen oxides NO
X
mg/kWh 29.7 28.3
Domestic hot water parameters
Declared load profile XL XL
Daily electricity consumption Q
elec
kWh 0.195 0.196
Annual electricity consumption AEC kWh 43 43
Water heating energy efficiency ƞ
wh
% 83.8 83.9
Daily fuel consumption Q
fuel
kWh 23.2 23.1
Annual fuel consumption AFC GJ 18 18
(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.
3 Technical specifications
16 7678846 - A - 22052017

Potterton Assure System 15 Specifications

General

Brand	Potterton
Model	Assure System 15
Category	Boiler
Language	English