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Appliance information
GREENSPRING CWi47 – 6 720 646 322 (2015/04)
3.10 Technical data
Technical characteristics Symbol Units CWi47
Power and flow
Nominal output Pn kW 50.3
Minimum output Pmin kW 6
Output (adjustment range) 6 - 50.3
Nominal input Qn kW 48.4
Minimum input Qmin kW 6
Gas data
Supply pressure
Natural gas G20 mbar 20
LPG (propane) G31 mbar 37
Gas consumption
Natural gas (Hi = 9,5 kWh/m3) G20 m
3
/h 5.09
LPG (propane) (Hi = 12,8 kWh/kg) G31 kg/h 3.8
Water data
Maximum permissible pressure pw bar 12
Minimum operating pressure pwmin bar 0.3
Minimum activation flow l/min 1.9
Maximum water flow with temperature rise of 35 °C l/min 20.6
Minimum water pressure for maximum water flow bar 2.5
Combustion products
Flue gas flow
Natural gas kg/h 81.8
LPG - Propane kg/h 79.3
Temperature of combustion gases
Flue gas temperature at maximum output °C 60 - 70
Flue gas temperature at minimum output °C 29
General Data
Efficiency at nominal input % 104
Voltage V 230
Frequency Hz 50
Maximum electrical power consumption W 116
Type of protection IP X4D
Ambient temperature permited °C 0 - 50
NET efficiency % 104
Weight (excluding packaging) kg 34
Table 4
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