APPLIANCE INFORMATION
6 720 815 725 (2015/05)
8
2.3
TECHNICAL DATA
NATURAL GAS
L.P.G
Product type
29CDi
Classic
ErP
34CDi
Classic
ErP
38CDi
Classic
ErP
42CDi
Classic
ErP
29CDi
Classic
ErP
LPG
34CDi
Classic
ErP
LPG
38CDi
Classic
ErP
LPG
42CDi
Classic
ErP
LPG
Domestic hot water
Min. heat input
kW
8.0
8.0
9.8
9.8
11.5
11.5
14.5
14.5
Max. rated heat output
kW
30.9
35.0
40.0
42.0
30.9
35.0
40.0
42.0
Max. rated heat input
kW
30.9
35.0
40.0
42.0
30.9
35.0
40.0
42.0
Max. mains inlet pressure
bar
10
10
10
10
10
10
10
10
Min. mains inlet pressure (working) for
max flow
bar
1.4
1.5
1.7
1.9
1.4
1.5
1.7
1.9
Min. mains inlet pressure (working) for
operation
bar
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
DHW temperature range
°C
40-60
40-60
40-60
40-60
40-60
40-60
40-60
40-60
*Maximum DHW flow rate - 40°C rise
15%
l/min
11
12
14
15
11
12
14
15
Central Heating
Max. rated heat input
kW
30.9
30.9
30.9
30.9
30.9
30.9
30.9
30.9
Max. rated heat output net 40/30°C
kW
32.1
32.1
32.1
32.1
32.1
32.1
32.1
32.1
Max. rated heat output net 50/30°C
kW
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
Max. rated heat output net 80/60°C
kW
30.0
30.0
30.0
30.0
30.0
30.0
30.0
30.0
Min. rated heat output net 40/30°C
kW
8.6
8.6
10.6
10.6
8.6
12.4
15.7
15.7
Min. rated heat output net 50/30°C
kW
8.6
8.6
10.5
10.5
8.6
12.3
15.5
15.5
Min. rated heat output net 80/60°C
kW
7.7
7.7
9.4
9.4
7.7
11.0
13.9
13.9
Min. rated heat input net
kW
8.0
8.0
9.8
9.8
8.0
11.5
14.5
14.5
Max. flow temperature (nominal)
°C
90
90
90
90
90
90
90
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
temp. rise
m
2
2
2
2
2
2
2
2
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20
m3/h
3.3
3.7
4.2
4.4
-
-
-
Propane Gas (LPG)
kg/h
-
-
-
2.4
2.7
3.1
3.3
Flue
Flue Gas Temp. 80/60°C, rated min. load
Max/Min
°C
76/58
81/58
83/58
86/58
76/58
81/58
86/58
87/58
Flue Gas Temp. 40/30°C, rated min. load
Max/Min
°C
55/33
58/33
65/35
66/35
55/33
58/33
65/35
66/35
CO
2
level at max. rated heat output
%
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
l/h
2.7
2.7
2.7
2.7
2.7
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
150
160
170
175
150
160
170
175
Energy efficiency index (EEI) heating
pump
–
0,23
0,23
0,23
0,23
0,23
0,23
0,23
0,23
General Data
SAP 2009 annual efficiency
%
89.1
89.1
89.0
89.4
90.1
90.1
90.0
90.4
SAP 2005 seasonal efficiency (SEDBUK)
%
90.1
90.1
90.2
90.2
92.0
92.0
91.9
92.2
Appliance protection rating
IP
X4D
X4D
X4D
X4D
X4D
X4D
X4D
X4D
Table 5 Technical data
