Technical Data - Baxi Combi 105e 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 31,738
Heat Output Max Min
kW 24.0 9.3
Btu/h 81,891 31,738
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
IPX5D
SEDBUK Declaration For Combi 80e
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 and
Butane - G30
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
Propane
Inlet Pressures
mbar
14.8
in wg
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
Butane
37 28
11.2

4.0 Technical Data

4.1 Combi 80e
3
Diameter 100mm
Projection 95mm
copper tails
- 22mm
- 22mm
- 22mm
- 15mm
- 15mm
15mm
- 780mm
- 980mm
- 450mm
- 345mm
5 mm Min
200 mm Min
200 mm Min
450 mm Min
(For Servicing)
5 mm Min
(In Operation)
kg
47
3
39
bar
3
2.5
0.5
1-2
Pump - Available Head
4
3.5
3
2.5
2
1.5
1
0.5
0
l/h 0 200 400
DHW Circuit bar
Pressures
Max Operating 8
Min Operating 0.2
Min Operating Pressure
at 9.8 l/min 0.9
Flow Rates l/min
DHW Flow Rate
@ 30°C Rise 13.7
DHW Flow Rate
@ 35°C Rise 9.8
Min Working
DHW Flow Rate 2.5
Pump
Available Head See graph below
Expansion Vessel - (For Central Heating
only. Integral with appliance)
bar
Min Pre-charge Pressure 0.5
litre
Max Capacity of
CH System 125
Primary Water Content 1.0
of Boiler (unpressurised)
Temperatures
C.H. Flow Temp
(adjustable)
35°C to 85°C
D.H.W. Flow Temp
(adjustable)
35°C to 65°C
dependent upon flow rate
600 800 1000
(± 5°C)
max
(± 5°C)
max
1200
7