Manual Worcester-Bosch GB162 (page 4 of 12) (English)

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6720814333 (2018/04)4

2.3 Energy efficiency

The following product data satisfy the requirements of the EU Regulations No. 811/2013, No. 812/2013, No. 813/2013 and No. 814/2013

supplementing Directive 2010/30/EU.

Product data Symbol Unit 50-V2 65-V2 85-V2 100-V2

Product type – – GB162-50 V2

G20

GB162-65 V2

G20

GB162-85 V2

G20

GB162-100 V2

G20

Condensing boiler – – 

Low temperature boiler – – 

B1 boiler – – 

Cogeneration space heater (CHP) – – 

Combination heater – – 

Rated heat output Prated kW 47 63 80 95

Seasonal space heating energy efficiency ηs%93 92 – –

Energy efficiency class – –A A– –

Useful heat output

At rated heat output and high temperature regime 1)

1) High-temperature regime is defined as 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.

P4kW 46.5 62.6 80.0 94.5

At 30 % of rated heat output and low temperature regime 2)

2) Low temperature for condensing boilers is defined as 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet).

P1kW 15.4 20.8 26.5 31.2

Useful efficiency

At rated heat output and high temperature regime 1) η4% 88.0 87.7 87.3 87.4

At 30 % of rated heat output and low temperature regime 2) η1% 97.4 97.1 97.2 97.2

Auxiliary electricity consumption

At full load elmax kW 0.041 0.082 0.100 0.100

At part load elmin kW 0.018 0.018 0.024 0.024

In standby mode PSB kW 0.006 0.006 0.006 0.006

Other items

Standby heat loss Pstby kW 0.088 0.088 0.088 0.088

Ignition burner power consumption Pign kW 0.000 0.000 0.000 0.000

Emissions of nitrogen oxides NOx mg/kWh 15 24 21 35

Sound power level, indoors LWA dB(A) 54 61 – –

Table 2 Product data for energy consumption

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Worcester-Bosch GB162 Manual

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