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TECHNICAL DATA
NATURAL GAS
L.P.G.
DESCRIPTION
UNITS
25CDi
30CDi
37CDi
42CDi
25CDi
30CDi
37CDi
42CDi
Central Heating
Max. rated heat input
kW
25.8
30.9
30.9
30.9
25.8
30.9
30.9
30.9
Max. rated heat output net 40/30°C
kW
26.8
32.1
32.1
32.1
26.8
32.1
32.1
32.1
Max. rated heat output net 50/30°C
kW
26.6
31.8
31.8
31.8
26.6
31.8
31.8
31.8
Max. rated heat output net 80/60°C
kW
25.0
30.0
30.0
30.0
25.0
30.0
30.0
30.0
Min. rated heat output net
40/30·C
kW
8.6
8.6
10.6
10.6
12.4
12.4
15.7
15.7
Min. rated heat output net 50/30°C
kW
8.6
8.6
10.5
10.5
12.3
12.3
15.5
15.5
Min. rated heat output net 80/60·C
kW
7.7
7.7
9.4
9.4
11,0
11.0
13.9
13.9
Min. rated heat input net
kW
8.0
8.0
9.8
9.8
11.5
11.5
14.5
14.5
Max. flow temperature
·C
nom. 90 nom. 90 nom. 90 nom. 90 nom. 90 nom. 90 nom. 90 nom. 90
Max. permissible operating pressure
bar
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Available pump head at 21°C system temperature rise
m
2
2
2
2
2
2
2
2
Gas flow rate· Max. 10 minutes from lighting
Natural Gas G20
2.6
3.2
3.9
4.4
Propane Gas (LPG)
2.0
2.4
2.9
3.3
Flue
Flue Gas Temp.
80/60·C,
rated min. load
·C
70/58
76/58
83/58
87/58
70/58
76/58
83/58
87/58
Flue Gas Temp.
40/30·C,
rated min. load
·C
51/33
55/33
60/35
66/35
51/33
55/33
60/35
66/35
CO2 level at max. rated heat output
C¥o
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
5
5
5
5
5
5
5
5
Condensate
Max. condensation rate
2.3
2.7
2.7
2.7
2.3
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
135
150
160
175
135
150
160
175
General Data
SEDBUK
band
A
A
A
A
A
A
A
A
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)
40
44
45
47
40
44
45
47
Total boiler weight (lift weight)
kg
48.5
48.5
48.5
48.5
48.5
48.5
48.5
48.5
Packaged boiler weight
kg
57
57
57
57
57
57
57
57
SEDBUK
%
90.3
90.1
90.1
90.1
90.3
90.1
90.1
90.1
INSTALlATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH (lREENSTAR 25CDil3OCDVB7CDil42 CD;
AORCESTER
TECHNICAL DATA
6720 613 700.
(2006/11)
Bosch
Group
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