
APPLIANCE INFORMATION
6 720 804 532 (2012/09)
6
2.2
TECHNICAL DATA
DESCRIPTION
NATURAL GAS
LPG
UNIT
12i
15i
18i
24i
12i
15i
18i
24i
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20
m³/h
1.33
1.63
1.96
2.67
-
-
-
-
Propane Gas (LPG)
kg/h
-
-
-
-
0.96
1.20
1.44
1.91
Central Heating
Maximum rated heat input (net)
kW
12.32
15.40
18.48
24.62
12.32
15.40
18.48
24.62
Minimum heat input
kW
3.45
4.62
5.54
7.38
5.95
5.95
9.64
9.64
Max. rated heat output 40/30 °C
kW
12.85
16.06
19.28
25.67
12.85
16.06
19.28
25.67
Max. rated heat output 50/30 °C
kW
12.74
15.92
19.11
25.45
12.74
15.92
19.11
25.45
Max. rated heat output 80/60 °C
kW
12
15
18
24
12
15
18
24
Max. flow temperature
°C
82
82
82
82
82
82
82
82
Max. flow temperature to cylinder (with integral optional
diverter valve)
°C
75
75
75
75
75
75
75
75
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
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
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
CO
2
level at max. rated heat output (after 30 min)
%
9.65
9.8
9.8
9.8
11.0
11.0
11.0
11.0
CO
2
level at min. rated heat output (after 30 min)
%
8.65
9.2
9.2
9.2
10.5
10.5
10.5
10.5
NOx class
5
5
4
5
5
5
4
5
NOx rating
mg/
kWh
39
60
84
66
44
60
84
66
Condensate
Maximum condensate 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
a.c. V
230
230
230
230
230
230
230
230
Frequency
Hz
50
50
50
50
50
50
50
50
Maximum power consumption
W
140
140
140
140
140
140
140
140
Power consumption in standby mode.
W
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
General data
Appliance protection rating
IP
X4D
X4D
X4D
X4D
X4D
X4D
X4D
X4D
Appliance protection rating with mechanical or RF mechanical
timer or FW100 module 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
litre
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
Noise output level (Max central heating)
dBA
42
42
42
42
42
42
42
42
Packaged boiler weight
kg
41
41
41
41
41
41
41
41
Total boiler weight
kg
37.5
37.5
37.5
37.5
37.5
37.5
37.5
37.5
Lift weight
kg
27.1
27.1
27.1
27.1
27.1
27.1
27.1
27.1
SEDBUK
band
A
A
A
A
A
A
A
A
SEDBUK 2005
%
90.1
90.1
90.1
90.1
91.4
91.4
91.4
92.0
Table 4 Technical data i System