TECHNICAL DATA
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 12i System/24i System
8 716 107 375a (02/05)
5
TECHNICAL DATA
A
PPL
IA
N
C
E
INF
O
RM
A
T
IO
N
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20
m3/h
1.33
2.67
-
-
Propane Gas (LPG)
kg/h
-
-
0.46
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
25.67
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
Min. output
°C
4.0
7.90
6.37
10.3
Max. flow temperature to cylinder (when used 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
%
9.8
9.8
11.0
11.0
CO
2
level at min. rated heat output
%
9.2
9.2
10.5
10.5
NOx - class
5
5
5
5
Condensate
Max. condensation rate
l/h
0.93
2.0
0.93
2.0
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
Permissable ambient temperatures
°C
0-50
0-50
0-50
0-50
Nominal capacity of appliance
Itr
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
DESCRIPTION
NATURAL GAS
L.P.G.
UNITS
12i System 24i System
12i System 24i System
