Technical Data - Baxi Combi 80Eco Installation And Servicing Instructions

Appliance Type C
12
Appliance Category CAT II
Heat Input C/H & DHW (Gross)
Max Min
kW 26.3 10.6
Btu/h 89,739 36,167
Heat Output Max Min
kW 24.0 9.3
Btu/h 81,891 31,732
Max Gas Rate (Natural Gas - G20)
(After 10 Mins)
m 3 /h 2.78
ft 3 /h 98.12
Burner Pressure (Natural Gas - G20)
Max Rate
mbar 12.2 ± 0.5
in wg 4.88 ± 0.2
Inlet Pressure (Natural Gas - G20)
mbar 20
in wg 8
Burner Injector (Natural Gas - G20)
12 x 1.28mm Diameter
Electrical Supply 230V~ 50H z
(Appliance must be connected to an
earthed supply)
Power Consumption 170W
External Fuse Rating 3A
Internal Fuse Rating
Fuse 2A Fast Blow to BS 4265
Electrical Protection
IPX4D
SEDBUK Declaration For Combi 80Eco
The seasonal efficiency (SEDBUK) is 78.6%
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 have been
certified by 0051.
LPG Gases - Propane G31 Butane G31
Burner Injector 12 x 0.77mm diameter
Burner Pressure Max Rate
Propane mbar
36.2
in wg 14.5
Butane mbar 28.3
in wg 11.3
Inlet Pressures Butane
mbar 28
in wg
11.2
C
NO x Class
32
Flue Terminal
2H 3+
Dimensions
Connections
Gas Supply
Central Heating Flow
Central Heating Return
Cold Water Mains Inlet
DHW Flow
Pressure Relief Discharge -
Outercase Dimensions
Casing Height
Overall Height Inc Flue
Elbow
Casing Width
Casing Depth
Min Rate
Clearances
2.5 ± 0.2
Both Sides
1.0 ± 0.2
Above Casing
Below Casing
Front
Front
Weights
Packaged Boiler Carton
Packaged Flue Kit
Installation Lift Weight
Central Heating Primary Circuit
Pressures
Safety Discharge
Max Operating
Min Operating
Recommend Operating
Min Rate
6.4
2.6
5.3
2.1
Propane
37
14.8

4.0 Technical Data

DHW Circuit
3
Pressures
Diameter 100mm
Max Operating
Projection 95mm
Min Operating
Min Operating Pressure
copper tails
at 9.8 l/min
- 22mm
- 22mm
Flow Rates
- 22mm
DHW Flow Rate
- 15mm
@ 30
- 15mm
DHW Flow Rate
15mm
@ 35
Min Working
DHW Flow Rate
- 780mm
Pump
- 980mm
Available Head
- 450mm
- 345mm
Expansion Vessel - (For Central Heating
only. Integral with appliance)
5 mm Min
Min Pre-charge Pressure
200 mm Min
200 mm Min
450 mm Min
(For Servicing)
Max Capacity of
5 mm Min
(In Operation)
CH System
Primary Water Content
kg
of Boiler (unpressurised)
46
3
Temperatures
38.5
C.H. Flow Temp
D.H.W. Flow Temp
bar
3
2.5
0.5
1-2
Pump - Available Head
4
3.5
3
2.5
2
1.5
1
0.5
0
0 200 400
l/h
bar
8
0.2
0.9
l/min
o C Rise 11.4
o C Rise 9.8
2.5
See graph below
bar
0.5
litre
125
1.0
(adjustable)
35°C to 85°C (± 5°C)
max
(adjustable)
35°C to 65°C (± 5°C)
max
dependent upon flow rate
600 800 1000 1200
7