TECHNICAL DATA
TECHNICAL DATA
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR Ri
8 716 115 168a (06/2008)
4
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DESCRIPTION
NATURAL GAS
L.P.G.
UNIT
12Ri
15Ri
18Ri
24Ri
12Ri
15Ri
18Ri
24Ri
Central Heating
Max. rated heat output net 40/30°C
KW
12.85
16.06
19.28
25.67
12.85
16.06
19.28
25.67
Max. rated heat output net 50/30°C
KW
12.74
15.92
19.11
25.45
24.74
15.92
19.11
25.45
Max. rated heat output net 80/60°C
KW
12.0
15.0
18.0
24.0
12.0
15.0
18.0
24.0
Max. rated heat input net
KW
12.32
15.40
18.48
24.62
12.32
15.40
18.48
24.62
Max. flow temperature
°C
82
82
82
82
82
82
82
82
Max. permissible operating pressure
bar
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Gas flow rate
- Max. 10 minutes from lighting
Natural Gas G20
m
3
/h
1.3
1.63
1.96
2.6
-
-
-
-
Propane Gas (LPG)
kg/h
-
-
-
-
0.96
1.20
1.44
1.91
Flue
Flue Gas Temp. 80/60°C, rated min. load
°C
62/56
66/58
70/60
78/63
62/57
66/59
71/61
79/64
Flue Gas Temp. 40/30°C, rated min. load
°C
41/33
44/33
48/34
54/35
43/35
46/36
49/37
55/38
CO2 level at max. rated heat output (after 30 mins)
%
9.8
9.8
9.8
9.8
11.0
11.0
11.0
11.0
CO2 level at min. rated heat output (after 30 mins)
%
9.2
9.2
9.2
9.2
10.5
10.5
10.5
10.5
NOx - class
5
5
4
5
5
5
4
5
Condensate
Max. condensation rate
l/h
0.93
1.2
1.5
2.0
0.7
0.9
1.2
1.5
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 consu pump
W
50
50
50
50
50
50
50
50
General Data
SEDBUK
band
A
A
A
A
A
A
A
A
Appliance protection rating
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
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
Noise output level
dB(A)
39
42.7
43.7
41
39
42.7
43.7
41
Packaged boiler weight
kg
31
31
31
31
31
31
31
31
Total boiler weight
kg
27.4
27.4
27.4
27.4
27.4
27.4
27.4
27.4
Lift weight
kg
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
SEDBUK
%
90.1
90.1
90.1
90.2
91.4
91.4
91.4
92.0
