10
4.0 Technical Data
© Baxi Heating UK Ltd 2013
0
200
400
600
800
1000
1200
0.5
1
1.5
2
2.5
3
3.5
4
Metre (wg)
Flow Rate (l/h)
Pump - Available Head
0
5
5.5
6
4.5
4.1
(See Section 18.0 for 32 kW model)
Flue Terminal
Diameter
100mm
Dimensions
Projection
125mm
Outercase Dimensions
Casing Height
- 700mm
Overall Height Inc Flue Elbow
- 860mm
Casing Width
- 390mm
Casing Depth
- 300*mm
*This can be reduced to 290mm by removing the
boiler control access flap
Central Heating Primary Circuit
Pressures
bar
Safety Discharge
3
Max Operating
2.5
Min Operating
0.5
Recommended Operating Range
1-2
Pump
Available Head
See graph below
Expansion Vessel
-
(For Central Heating only.
Integral with appliance)
bar
Min Pre-charge Pressure
0.5
(12, 15, 18, 24 & 28)
litre
Max Capacity of
CH System
100
Primary Water Content
of Boiler (unpressurised)
2.5
Connections
copper tails
Gas Inlet
-
22mm
Heating Flow
-
22mm
Heating Return
-
22mm
Pressure Relief Discharge
-
15mm
Temperatures
C.H. Flow Temp
(adjustable)
25°C to 80°C
max
(± 5°C)
NOx Class
5
Clearances
Above Casing
175 mm Min
Below Casing
150mm Min*
Front
450mm Min
(For Servicing)
Front
5mm Min
(In Operation)
L.H. Side
5mm Min
R.H. Side
5mm Min
*This is MINIMUM recommended dimension. Greater
clearance will aid installation and maintenance.
Electrical Supply
230V~ 50Hz
(Appliance must be connected to an
earthed supply)
Electrical Protection
IPX5D
Internal Fuse Rating
F2L
Injector
12 model
mm
3
15 model
mm
3.3
18 model
mm
3.6
24 model
mm
4.6
28 model
mm
4.9
Condensate Drain
To accept 21.5mm (
3
/
4
in) plastic waste pipe
External Fuse Rating
3A
Heat Input CH (Net)
Max
Min
12 model
kW
12
2.1
15 model
kW
15
2.2
18 model
kW
18
2.6
24 model
kW
24
3.5
28 model
kW
28
4.1
Heat Output CH (Non-Condensing)
Max
Min
12 model
kW
12
2
15 model
kW
15
2.1
18 model
kW
18
2.5
24 model
kW
24
3.4
28 model
kW
28
4
Appliance Category
CAT I
2H 3P
Appliance Type
C
13
C
33
C
43
C
53
Heat Output CH (Condensing)
Max
Min
12 model
kW
12.7
2.2
15 model
kW
15.9
2.3
18 model
kW
19
2.8
24 model
kW
25.4
3.7
28 model
kW
29.6
4.3
Power Consumption
12 model
W
110
15 model
W
108
18 model
W
125
24 model
W
104
28 model
W
135
Inlet Pressure
(Natural Gas - G20)
mbar
20
Max Gas Rate
(Natural Gas - G20)
(After 10 mins)
12 model
m
3
/h
1.27
15 model
m
3
/h
1.59
18 model
m
3
/h
1.90
24 model
m
3
/h
2.54
28 model
m
3
/h
2.96
Inlet Pressure
(Propane - G31)
mbar
37
NATURAL GAS ONLY !
PROPANE ONLY !
Max Gas Rate
(Propane - G31)
(After 10 mins)
12 model
kg/h
0.93
15 model
kg/h
1.17
18 model
kg/h
1.4
24 model
kg/h
1.86
28 model
kg/h
2.18
Weights
(12/15/18/24)
Packaged Boiler Carton
36.5kg
Installation Lift Weight
32.5kg
(28 model)
Packaged Boiler Carton
38.5kg
Installation Lift Weight
34.5kg
NOTE:
All data in this section are nominal values
and subject to normal production tolerances.
SAP 2005 Seasonal Efficiency for N. G.
models is 91.1%
SAP 2005 Seasonal Efficiency for L.P.G.
models is 93.2%
SAP 2009 Annual Efficiency for N. G.
models is 89%
SAP 2009 Annual Efficiency for L.P.G.
models is 91%
This value is used in the UK Government’s Standard
Assessment Procedure (SAP) for energy rating of
dwellings. The test data from which it has been calculated
has been certified by 0087.
SEDBUK Declaration
CO2
N.G. 9.0%
± 0.7
L.P.G. 10.5%
± 1.0
