Instruction manual

TECHNICAL DATA
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System
8 716 115 167b (03/2009)
6
TECHNICAL DATA
APPLIANCE
INFORMATION
DESCRIPTION NATURAL L.P.G.
UNITS 12i 24i 12i 24i
Gas flow rate - Maximum 10 minutes from lighting
Natural Gas G20
m
3
/h
1.33 2.67 - -
Propane Gas (LPG) kg/h - - 0.96 1.91
Central Heating
Max. rated heat input kW 12.32 24.62 12.32 24.62
Min. heat input kW 3.70 7.38 5.95 9.64
Max. rated heat output 40/30°C kW 12.85 25.67 12.85 25.67
Max. rated heat output 50/30°C kW 12.74 25.45 12.74 25.45
Max. rated heat output 80/60°C kW 12 24 12 24
Max. flow temperature °C 82 82 82 82
Max. flow temperature to cylinder (with integral optional diverter valve) °C 75 75 75 75
Max. permissible operating pressure bar 2.5 2.5 2.5 2.5
Available pump head at 21°C system temperature rise m 2.0 2.0 2.0 2.0
Flue
Flue Gas Temp. 80/60°C, rated/min. load °C 62/56 78/63 62/57 79/64
Flue Gas Temp. 40/30°C, rated min. load °C 41/33 54/35 43/35 55/38
CO
2
level at max. rated heat output (after 30 mins)
% 9.8 9.8 11.0 11.0
CO
2
level at min. rated heat output (after 30 mins)
% 9.2 9.2 10.5 10.5
NOx - class 5 5 5 5
Condensate
Max. condensation rate l/h 0.93 2.0 0.7 1.5
pH value, approx. 4.8 4.8 4.8 4.8
Electrical
Electrical power supply voltage AC...V 230 230 230 230
Frequency Hz 50 50 50 50
Max. power consumption W 140 140 140 140
General Data
SEDBUK band A A A A
Appliance protection rating IP X4D X4D X4D X4D
Appliance protection rating with mechanical or
RF mechanical timer fitted
IP 20 20 20 20
Permissible ambient temperatures °C 0-50 0-50 0-50 0-50
Nominal capacity of appliance Iitres 3.9 3.9 3.9 3.9
Noise output level (Max central heating) dB(A) 42 42 42 42
Packaged boiler weight kg 44.4 44.4 44.4 44.4
Total boiler weight kg 39.5 39.5 39.5 39.5
Lift weight kg 27.1 27.1 27.1 27.1
SEDBUK % 90.1 90.2 91.4 92.0