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
C02
level at
max.
rated heat output
% 9.6 9.6 9.7 9.7
11.5 11.5 11.5 11.5
C02
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
TECHNICAL
DATA
INSTALLATION & SERVICING INSTRUCTIONS
FOR
WORCESTER BOSCH GREENSTAR
25CDI/30CDI/37CDI/42
co;
~ORCESTER
6 720
613
700a
(2006/11)
Bosch
Group
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