Potterton eurocondense four 125 kw, Installation, Operation And Maintanance Manual, Page: 13 / 148

Product name EC four
125 kW
EC four
170 kW
EC four
215 kW
EC four
260 kW
EC four
300 kW
Low-temperature boiler
(1)
No No No No No
B1 boiler No No No No No
Cogeneration space heater No No No No No
Combination heater No No No No No
Rated heat output
Prated
kW 122 166 210 255 294
Useful heat output at rated heat out­
put and high temperature mode
(2)
P
4
kW 121.6 165.8 210.1 254.5 294.0
Useful heat output at 30% of rated
heat output and low temperature
mode
(1)
P
1
kW 40.5 55.2 69.7 84.4 97.3
Seasonal space heating energy effi­
ciency
ƞ
s
% – – – – –
Useful efficiency at rated heat output
and high temperature mode
(2)
ƞ
4
% 87.7 87.8 88.0 88.2 88.3
Useful heat output at 30% of rated
heat output and low temperature
mode
(1)
ƞ
1
% 97.4 97.5 97.4 97.5 97.4
Auxiliary electricity consumption
Full load
elmax
kW 0.170 0.200 0.330 0.350 0.410
Part load
elmin
kW 0.031 0.034 0.040 0.046 0.051
Standby mode
P
SB
kW 0.004 0.004 0.004 0.004 0.004
Other items
Standby heat loss
P
stby
kW 0.180 0.224 0.258 0.281 0.288
Ignition burner power consumption
P
ign
kW 0.0 0.0 0.0 0.0 0.0
Annual energy consumption Q
HE
GJ – – – – –
Sound power level, indoors
L
WA
dB 66 67 67 67 68
Emissions of nitrogen oxides NO
X
mg/kW
h
38 38 39 39 39
(1) Low temperature mode means for condensing boilers 30 °C, for low temperature boilers 37 °C and for other heaters 50 °C return tem­
perature (at heater inlet).
(2) High temperature mode means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
See
The back cover for contact details.
3.2.2 Technical data
Model EC four
125 kW
EC four
170 kW
EC four
215 kW
EC four
260 kW
EC four
300 kW
Product ID no. CE-0085 CL 0072
VDE Reg. No. 40017550
Gas category II
2H3+
Installation types B
23
, C
33
, C
53
, C
63X
, C
83
Software version V 4.2
Nominal heat input range
Natural gas Heating kW 20.0-125.0 28.0-170.0 35.0-215.0 42.0-260.0 48.0-300.0
LPG Heating kW 35.0-125.0 35.0-170.0 48.0-215.0 58.0-260.0 58.0-300.0
Nominal heat output range
3 Technical specifications
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