Technical data

10
4.0 Technical Data
© Baxi Heating UK Ltd 2014
4.1 System 24 & 28 Eco Elite
Flue Terminal Diameter 100mm
Dimensions Projection 125mm
Outercase Dimensions
Casing Height - 780mm
Overall Height Inc Flue Elbow - 965mm
Casing Width - 450mm
Casing Depth - 345mm
Weights
Packaged Boiler Carton 51.1 kg (24 &28)
Installation Lift Weight 44.5 kg (24 & 28)
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
(18,24) (27)
Max Capacity of litre litre
CH System 125 155
Primary Water Content
of Boiler (unpressurised) 2.5 2.8
Connections copper tails
Gas Supply - 22mm
Central Heating Flow - 22mm
Central Heating Return - 22mm
Pressure Relief Discharge - 15mm
Temperatures
C.H. Flow Temp (adjustable)
25°C to 80°C max (± 5°C)
NO
x
Class 5
0
200 400 600 800 1000 1200 1400
0.5
1
1.5
2
2.5
3
3.5
4
Metre (wg)
Flow Rate (l/h)
Pump - Available Head (24,27)
0
5
5.5
4.5
Clearances
Above Casing 200 mm Min
300 mm Min (80/125mm flue)
Below Casing 200 mm Min
Front 450 mm Min (For Servicing)
Front 5 mm Min (In Operation)
L.H. Side 5 mm Min
R.H. Side 5 mm Min (In Operation)
Heat Input CH (Net) Max Min
24 model kW 26.06 7.82
28 model kW 29.32 8.8
Heat Output CH (Non-Condensing)
Max Min
24 model kW 25.94 7.61
28 model kW 28.63 8.56
Electrical Supply 230V~ 50H
z
(Appliance must be connected to an
earthed supply)
Power Consumption
150W
Electrical Protection
IPX0D (with timer)
IPX4D (without timer)
Internal Fuse Rating F2L
Appliance Category CAT I
2H
Inlet Pressure (Natural Gas - G20)
mbar 20
Injector (Natural Gas - G20)
6.0mm (24 & 28 models)
Appliance Type C
13
C
33
C
53
Heat Output CH (Condensing)
Max Min
24 model kW 26.95 8.37
28 model kW 30.20 9.42
Max Gas Rate (Natural Gas - G20)
(After 10 mins)
24 model m
3
/h 2.76
28 model m
3
/h 3.10
Condensate Drain
To accept 21.5mm (
3
/
4
in) plastic waste pipe
Heat Input CH (Gross) Max Min
24 model kW 28.92 8.68
28 model kW 32.54 9.77
External Fuse Rating 3A
SAP 2005 Seasonal Efficiency for 24 models
is 91.1%
SAP 2005 Seasonal Efficiency for 28 models
is 90.2%
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
NOTE: All data in this section are nominal values
and subject to normal production tolerances.