Viadrus VIADRUS K 5, Operation And Installation Manual

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5
Requirements for information related to boiler heaters for heating the indoor premises, boiler combined
heaters and combined heat and power heaters for heating the indoor premises
Model/s: VIADRUS K5 D4L20XX
Condensing boiler: yes
Low-temperature boiler: no
Boiler of type B1: no
Combined heat and power heater for heating the indoor
premises: no
If yes, then availability of an auxiliary heater:
Combined heater: yes
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Nominal heating power Prated 20 kW
Season energetic effectiveness
of heating
ƞ
s
93 %
For boiler heaters for heating the indoor premises and
boiler combined heaters: useful heating power For boiler heaters for heating the indoor premises and
boiler combined heaters: useful effectiveness
At nominal heating power and
high-temperature mode (*)
P
4
20 kW
At nominal heating power and
high-temperature mode (*)
ƞ
4
102 %
At 30% of nominal heating
power and low-temperature
mode
P
1
4 kW
At 30% of nominal heating power
and low-temperature mode
ƞ
1
110.7 %
Auxiliary electric energy consumption: Other items:
At full load el
max
0.069 kW Heat loss in standby mode P
stby
0.093 kW
At partial load el
min
0.030 kW
Electric energy consumption of the
igniting burner
P
ign
- kW
In standby mode P
SB
0.003 kW Emission of nitrogen oxide NO
x
31
mg/
kWh
For combined heaters:
Declared load profile XL
Energetic effectiveness of water
heating
ƞ
wh
85 %
Daily electric energy
consumption
Q
elec
0.206 kWh Daily fuel consumption Q
fuel
22.828 kWh
Contact data
VIADRUS a.s.
Bezru
č ova 300
Bohumín
735 81
(*) High-temperature mode of the condensing boilers is considered to be the return temperature 60 °C on the input into the heater and
the input temperature
80 °C on the output from the heater.
(**) The low temperature for the condensing boilers is considered to be the return temperature 30 °C, for the low-temperature boilers -
37 °C, and for other heaters -
50 °C (on the input into the heater).