APPLIANCE INFORMATION
6 720 803 599 (2012/06)8
2.3 TECHNICAL DATA
NATURAL GAS L.P.G
DESCRIPTION UNITS 29 34 38 42 29 34 38 42
Domestic hot water
Min. heat input kW 8.0 8.0 9.8 9.8 11.5 11.5 14.5 14.5
Max. rated heat output kW 30.9 35.0 40.0 42.0 30.9 35.0 40.0 42.0
Max. rated heat input kW 30.9 35.0 40.0 42.0 30.9 35.0 40.0 42.0
Max. mains inlet pressure bar 10 10 10 10 10 10 10 10
Min. mains inlet pressure (working) for max flow bar 1.4 1.5 1.7 1.9 1.4 1.5 1.7 1.9
Min. mains inlet pressure (working) for
operation
bar 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
DHW temperature range °C 40-60 40-60 40-60 40-60 40-60 40-60 40-60 40-60
DHW specific rate - 30°C rise l/min 14.8 16.7 19.1 20.1 14.8 16.7 19.1 20.1
Max. DHW flow rate - 40°C rise ± 15% l/min 11 12 14 15 11 12 14 15
Central Heating
Max. rated heat input kW 30.9 30.9 30.9 30.9 30.9 30.9 30.9 30.9
Max. rated heat output net 40/30°C kW 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1
Max. rated heat output net 50/30°C kW 31.8 31.8 31.8 31.8 31.8 31.8 31.8 31.8
Max. rated heat output net 80/60°C kW 30.0 30.0 30.0 30.0 30.0 30.0 30.0 30.0
Min. rated heat output net 40/30°C kW 8.6 8.6 10.6 10.6 8.6 12.4 15.7 15.7
Min. rated heat output net 50/30°C kW 8.6 8.6 10.5 10.5 8.6 12.3 15.5 15.5
Min. rated heat output net 80/60°C kW 7.7 7.7 9.4 9.4 7.7 11.0 13.9 13.9
Min. rated heat input net kW 8.0 8.0 9.8 9.8 8.0 11.5 14.5 14.5
Max. flow temperature (nominal) °C 90 90 90 90 90 90 90 90
Max. permissible operating pressure bar 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0
Available pump head at 21°C system temp. rise m 22222222
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20 m3/h 3.3 3.7 4.2 4.4 - --
Propane Gas (LPG) kg/h - --2.4 2.7 3.1 3.3
Flue
Flue Gas Temp. 80/60°C, rated min. load °C 76/58 81/58 83/58 86/58 76/58 81/58 86/58 87/58
Flue Gas Temp. 40/30°C, rated min. load °C 55/33 58/33 65/35 66/35 55/33 58/33 65/35 66/35
CO
2
level at max. rated heat output % 9.6 9.6 9.7 9.7 11.5 11.5 11.5 11.5
CO
2
level at min. rated heat output % 9.0 9.0 9.1 9.1 10.5 10.5 10.5 10.5
NOx - class 55555555
Condensate
Max. condensation rate l/h 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7
pH value, approx. 4.8 4.8 4.8 4.8 4.8 4.8 4.8 4.8
Electrical
Electrical power supply voltage AC...V 230 230 230 230 230 230 230 230
Frequency Hz 50 50 50 50 50 50 50 50
Max. power consumption W 150 160 170 175 150 160 170 175
General Data
SEDBUK 2005 band AAAAAAAA
% 90.1 90.1 90.1 90.1 90.1 90.1 90.1 90.1
Appliance protection rating IP X4D X4D X4D X4D X4D X4D X4D X4D
Appliance protection rating with mechanical or RF
mech. timer fitted
IP 20 20 20 20 20 20 20 20
Permissible ambient temperatures °C 0-50 0-50 0-50 0-50 0-50 0-50 0-50 0-50
Nominal capacity of appliance I 3.75 3.75 3.75 3.75 3.75 3.75 3.75 3.75
Noise output level (at DHW inlet pressure 3 bar) dB(A) 44 44 45 47 44 44 45 47
Total boiler weight (lift weight) kg 47.5 47.5 47.5 47.5 47.5 47.5 47.5 47.5
Packaged boiler weight kg 56 56 56 56 56 56 56 56
Table 5 Technical data
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