5
Fig. 3
Key Location
Minimum distance
A
Below an opening (window, air-brick, etc.)
300 mm
B
Above an opening (window, air-brick, etc.)
300 mm
C
To the side of an opening (window, air-brick, etc.)
300 mm
D
Below gutter, drain-pipe, etc.
25 mm
E
Below
eaves
25 mm
F
Below balcony, car-port roof, etc.
25 mm
G
To the side of a soil/drain-pipe, etc.
25 mm
H
From internal/external corner or boundary
300 mm
I
Above ground, roof, or balcony level
300 mm
J
From a surface or boundary facing the terminal
1200 mm
K
From a terminal facing a terminal
1200 mm
L
From an opening in the car-port into the building
1200 mm
M
Vertically from a terminal on the same wall
1500 mm
N
Horizontally from a terminal on the same wall
300 mm
P
From a structure to the side of the vertical terminal
500 mm
Q
From the top of the vertical terminal to the roof fl ashing
As determined by the fi xed collar
of the vertical terminal
Seasonal space heating energy ef
fi
ciency class
A
Water heating energy ef
fi
ciency
class
-
Parameter
Symbol
Value
Unit
Parameter
Symbol Value
Unit
Rated heat output
Prated
15
kW
Seasonal space heating energy
ef
fi
ciency
η
s
93
%
For boiler space heaters and boiler combination heaters: useful
heat output
For boiler space heaters and boiler combination heaters:
useful ef
fi
ciency
At rated heat output and high-
temperature regime (*)
P4
14,6
kW
At rated heat output and high-
temperature regime (*)
η
4
87,6
%
At 30% of rated heat output and
low-temperature regime (**)
P1
4,9
kW
At 30% of rated heat output and
low-temperature regime (**)
η
1
98,4
%
Auxiliary electricity consumption
Other parameters
At full load
elmax
35,0
W
Stand-by heat loss
Pstby
53,0
W
At part load
elmin
13,3
W
Pilot
fl
ame energy consumption
Pign
-
W
In Stand-by mode
PSB
4,0
W
Annual energy consumption
QHE
45
GJ
Sound power level, indoors
LWA
43
dB
Emissions of nitrogen oxides
NOx
35
mg/
kWh
For combination heaters:
Declared load pro
fi
le
-
Water heating energy ef
fi
ciency
η
wh
-
%
Daily electricity consumption
Qelec
-
kWh
Daily fuel consumption
Qfuel
-
kWh
Annual electricity consumption
AEC
-
kWh
Annual fuel consumption
AFC
-
GJ
(*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
(**) 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).