Technical Data - Worcester 440CDi Instruction Manual

Floor standing rsf gas-fired condensing combination boiler
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DESCRIPTION
Central Heating
Max. rated heat output net 40/30°C
Max. rated heat output net 50/30°C
Max. rated heat output net 80/60°C
Max. rated heat input net
Min. rated heat output net 40/30°C
Min. rated heat output net 50/30°C
Min. rated heat output net 80/60°C
Min. rated heat input net
Max. flow temperature
Max. permissible operating pressure
Domestic Hot Water
Max. rated heat input net
Max. rated heat output
Minimum flow rate to start
Minimum pressure for max flow rate 20 l/min (±15%)
Minimum pressure for max flow rate 25 l/min (±15%)
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20
Propane Gas (LPG)
Gas supply pressure
Natural Gas G20
LPG (Propane) Gas G31
Flue
Flue Gas Temp. 80/60°C, rated min. load
Flue Gas Temp. 40/30°C, rated min. load
CO
level at max. rated heat output
2
CO
level at min. rated heat output
2
NO
- classification
x
Condensate
Max. condensation rate
pH value, approx.
Electrical
Electrical power supply voltage
Frequency
Max. power consumption
Expansion Vessel
Charge Pressure
Total Capacity
General Data
SEDBUK (Band A)
Appliance protection rating
Appliance protection rating (with mechanical timer fitted into fascia)
Permissable ambient temperatures
Nominal capacity of appliance
Noise output level (at maximum CH output)
Weight (excluding packaging)
4

TECHNICAL DATA

TECHNICAL DATA
UNITS
Natural Gas
440CDi
550CDi
kW
31.2
kW
30.9
kW
29.2
kW
29.6
kW
8.4
kW
8.3
kW
7.4
kW
7.6
°C
88
bar
2.5
kW
29.6
kW
29.5
l/min
2.3
bar
1.5
bar
-
2
m
/h
3.1
kg/h
-
mb
20
mb
-
°C
67/55
°C
43/32
%
9.4
%
8.6
class
5
l/h
2.7
4.8
AC...V
230
Hz
50
W
164
bar
0.75
Itr
12
%
90.8
IP
x4D
IP
20
°C
0 - 50
Itr
51
dB(A)
37
kg
112
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 219b (09.2008)
L.P.G
440CDi
550CDi
32.8
31.2
32.8
32.5
30.9
32.5
30.6
29.2
30.6
31
29.6
11
11.6
13.4
10.9
11.4
13.2
9.7
10.5
12.1
10
10.8
12.5
88
88
2.5
2.5
41.5
29.5
41.5
41.1
29.2
41.1
2.8
2.3
-
1.5
1.7
-
4.4
-
2.3
20
-
37
67/55
67/55
67/55
43/32
43/32
43/32
9.4
10.8
10.8
9.0
10.4
10.4
5
5
3.7
2.7
4.8
4.8
230
230
230
50
50
206
164
206
0.75
0.75
0.75
12
12
90.8
92.2
92.2
x4D
x4D
x4D
20
20
0 - 50
0 - 50
0 -50
51
51
37
37
112
112
31
88
2.5
2.8
-
1.7
3.2
37
5
3.7
4.8
50
12
20
51
37
112

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