General Information
14
Information requirements for boiler space heaters, boiler combination heaters
and cogeneration space heaters
Model(s):
VIADRUS K4G3H33XX
Condensing boiler:
yes
Low-temperature (**) boiler:
no
B1 boiler:
no
Cogeneration space heater:
no
If yes, equipped with a supplementary heater:
Combination heater:
yes
It
e
m
S
y
m
b
o
l
V
a
lu
e
U
n
it
It
e
m
S
y
m
b
o
l
V
a
lu
e
U
n
it
Rated heat output
Prated
33
kW
Seasonal space heating energy
efficiency
ƞ
s
90
%
For boiler space heaters and boiler combination heaters: Useful
heat output
For boiler space heaters and boiler combination heaters: Useful
efficiency
At rated heat output and high-
temperature regime (*)
P
4
30,3
kW
At rated heat output and high-
temperature regime (*)
ƞ
4
98,4
%
At 30 % of rated heat output and
low-temperature regime (**)
P
1
6
kW
At 30 % of rated heat output and low-
temperature regime (**)
ƞ
1
104,8
%
Auxiliary electricity consumption
Other items
At full load
el
max
0,11
kW
Standby heat loss
P
stby
0,044
kW
At part load
el
min
0,04
kW
Ignition burner power consumption
P
ign
-
kW
In standby mode
P
SB
0,003
kW
Emissions of nitrogen oxides
NO
x
26
mg/
kWh
For combination heaters:
Declared load profile
XL
Water heating energy efficiency
ƞ
wh
77
%
Daily electricity consumption
Q
elec
0,190
kWh
Daily fuel consumption
Q
fuel
25,742
kWh
Contact details
VIADRUS a.s.
Bezru
č
ova 300
Bohumín
735 81
Czech Republic
(*)
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).
