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Gas condensing boiler
MGK-2_130-300

Floorstanding gas condensing boiler for condensing operation and DHW heating for natural gas E, LL
Modell / Leistung
  • MGK-2-130
  • MGK-2-170
  • MGK-2-210
  • MGK-2-250
  • MGK-2-300

  • WOLF MGK 2 130
  • WOLF MGK2 170-300
  • Schema MGK 2 130-300
  • MGK 2 130 Aufbauschema Kessel
  • Key Facts
  • Technische Daten
  • Downloads
  • Modulation range 17 - 100 %
  • Standard seasonal efficiency [to DIN] net cv up to 110 %
  • No minimum volume of circulation water
  • Option to integrate neutralising system set with booster and condensate removal pump
  • Extremely quiet operation
  • Fully encased and thermally insulated
  • Compact design, fits through an 800 mm door
  • Integral back draught safety device for flue cascade operation
  • ISM7i LAN/WLAN module allows communication via smartphone, laptop or PC
  • 0-10 V input for BMS system
  • 230 V fault message output
  • Common sensor connection option for low loss header
  • Possibility of cascade operation with up to 5 appliances
technische Zeichnung
Modell wählen
Gas condensing boiler MGK-2_130-300
Type MGK-2 130 170 210 250 300

General data
Rated heating output at 80/60 °C kW 118 157 196 233 275
Rated heating output at 50/30 °C kW 126 167 208 250 294
Rated heat input kW 120 160 200 240 280
Lowest heating output (modulating) at 80/60 °C kW 23 27 34 39 45
Lowest heating output (modulating) at 50/30 °C kW 24 30 37 44 49
Lowest heat input (modulating) kW 23 28 35 41 46
Heat input modulation range % 19-100 17-100 17-100 17-100 17-100
Amount of condensate at 40/30 °C l/h 12 16 20 24 28
Condensate pH value ca. 4,0 ca. 4,0 ca. 4,0 ca. 4,0 ca. 4,0
Gas connection R 1“ 1½“ 1½“ 1½“ 1½“
Air/flue gas routing Type B23(P), B33, C33(x), C43(x), C53(x), C63(x), C83, C93(x)

Efficiency
η 80/60 at Qmax % 98.1 98 98.1 98 98
η 50/30 at Qmax % 104.1 104.2 104.3 103.9 105.2
η TR30 at 30% % 107.8 106.9 106.7 106.6 106.8

Dimensions
Height A mm 1300 1300 1300 1300 1300
Width B mm 995 1355 1355 1355 1355
Depth C mm 640 640 640 640 640
Flue diameter mm 160 160 160 160 200
Combustion air supply 4) mm 160 160 160 160 160
Heating flow outside diameter R 1½“ 2“ 2“ 2“ 2“
Heating return outside diameter R 1½ 2“ 2“ 2“ 2“

Gas category
Germany II2ELL3P II2ELL3P II2ELL3P II2ELL3P II2ELL3P
Austria II2H3P II2H3P II2H3P II2H3P II2H3P
Switzerland I2H I2H I2H I2H I2H

Gas supply details:
Natural gas E/H (net cv = 9.5 kWh/m³ = 34.2 MJ/m³) m³/h 13.1 16.8 21 25.2 29.4
Natural gas LL (net cv = 8.6 kWh/m³ = 31.0 MJ/m³) 1) m³/h 14.6 18.6 23.3 27.9 32.6
LPG P (net cv = 12.8 kWh/kg = 46.1 MJ/kg) 2) kg/h 9.6 12.5 15.6 18.7 21.8

Gas supply pressure:
Natural gas E/LL mbar 20 20 20 20 20
LPG P mbar 50 50 50 50 50
Water capacity of the heating water heat exchanger l 12 15.4 16 20 22
Max. permissible boiler pressure bar 6 6 6 6 6
Max. permissible flow temperature °C 90 90 90 90 90
Available gas fan draught Pa 10-200 10-150 10-150 10-150 10-150
Flue gas temperature 80/60-50/30 at Qmax °C 65-45 65-45 65-45 65-45 65-45
Flue gas temperature 80/60-50/30 at Qmin °C 55-35 55-35 55-35 55-35 55-35
Max. flue gas mass flow rate g/s 56.7 72.5 90.8 108.9 127.1
Flue gas category to DVGW G 635 G52 G52 G52 G52 G52
Heating water pressure drop with 20 K spread mbar 95 100 115 135 160
Electrical connection V~/Hz 1~ NPE / 230VAC / 50Hz
Integral fuse (medium time lag) A 4 4 4 4 4
Standby power consumption W 5 5 5 5 5
Power consumption at partial load/full load W 30 / 240 42 / 258 42 / 291 43 / 326 48 / 350
IP rating IP20 IP20 IP20 IP20 IP20
Sound pressure level at full load 3) dB(A) ~ 49 ~ 54 ~ 54 ~ 54 ~ 54

Weight
Total weight (empty) kg 195 250 271 292 313
Gas condensing boiler MGK-2_130-300
Technical broschure