Viadrus VIADRUS K 5, Руководство по эксплуатации и установке

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4
3 Technical data
Tab.
№
. 1 Sizes, operating temperature and electrical parameters
Fuel type [-] Natural gas
Consumer category [-] I
2H
Weight [kg] 85
Water content [l] 9
Boiler sizes - width/depth/high [mm] 680/505/950
Ø of connection of combustion air [mm] 80 divided, 100 concentrated
Ø of chimney throat [mm] 80 divided, 60 concentrated
Ø of connection of coaxial fume-extraction system to the
boiler
[mm] 60 / 100
Ø of connection of the divided fume-extraction system to the
boiler
[mm] suction 80, flue gases 80
Maximum operation water overpressure [kPa]/[bar] 250 / 2.5
Testing water overpressure [kPa]/[bar] 600 / 6
Min. water pressure in the Central Heating system (a value of
the air-pressure switch)
[kPa]/[bar] 80 / 0,8 (appr. 60 / 0,6)
Expansion tank size [L] 10
Loss coefficient [-] 11.37
The highest admissible operation temperature [°C] 85
The range of setting of hot water temperature for the
consumption of hot water
[°C] 8 - 65
Connecting overpressure of fuel G20 [mbar] 20
Noice level [dB] < 55
Boiler connection
- heating water output [Js] 3/4“
- return heating water input [Js] 3/4“
- input of cold water into the heater (CW) [Js] 1/2“
- output of heated-up water from the heater (HW) [Js] 1/2“
- input for hot water circulation (HWc - it is plugged in the
production plant)
[Js] 1/2“
- condensate exhaust [mm] Ø 16
- safety valve outlet [Js] 3/4“
- gas inlet [Js] 3/4“
Connecting voltage 1/N/PE 230 VAC 50 Hz TN-S
Electric input, including the pump [W] 110
Electric cover IP 41
Tab.
№
. 2 Thermal-technical parameters
comparative conditions 15 °C a 1013,25 mbar, dry gas
Design C
83
Boiler power range [kW] 4 - 20
Nominal thermal power 80/60 °C [kW] 18.8
Minimal thermal power 80/60 °C [kW] 4
Nominal thermal power 50/30 °C [kW] 20
Minimal thermal power 50/30 °C [kW] 4
Nominal thermal input [kW] 19.3
Minimal thermal input [kW] 3.7
Effectiveness at nominal thermal input of 80/60°C [%] 101.6
Effectiveness at nominal thermal input of 50/30 °C [%] 108.1
Effectiveness at minimal thermal input of 50/30 °C [%] 110.9
Volume flow rate of fuel [m
3
.hour
-1
] 0.4 - 2.1
Mass flow rate of flue gases [kg.h
-1
] 4.8 - 32
NOx Class [-] 5
Flue gases temperature [°C] 30 - 85