Technical Data - Baxi Combi Instant 80e Installation & Servicing Instructions Manual

Appliance Type
Appliance Category
Heat Input C/H & DHW (Net)
Max
kW 26.3
Btu/h 89,739
Heat Output Max
kW 24.0
Btu/h 81,819
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
(Appliance must be connected to an
earthed supply)
Power Consumption
External Fuse Rating
Internal Fuse Rating
Fuse 2A Fast Blow to BS 4265
Electrical Protection
IPX5D
SEDBUK Declaration For Combi Instant 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
in wg
Butane mbar
in wg
Propane
Inlet Pressures
mbar
in wg
10
C C
NO x Class
12 32
CAT II
Flue Terminal
2H 3+
Dimensions
Min
Connections
10.6
Gas Supply
36,168 Central Heating Flow
Central Heating Return
Cold Water Mains Inlet
Min
DHW Flow
9.3
Pressure Relief Discharge
31,738
Outercase Dimensions
Casing Height
Overall Height Inc Flue
Elbow
Casing Width
Casing Depth
Min Rate
Clearances
2.5 ± 0.2
Both Sides
Above Casing
1.0 ± 0.2
Below Casing
Front
Front
Weights
Packaged Boiler Carton
Packaged Flue Kit
Installation Lift Weight
230V~ 50H z
Central Heating Primary Circuit
Pressures
170W
Safety Discharge
Max Operating
3A
Min Operating
Recommend Operating
Min Rate
36.2 6.4
14.5 2.6
28.3 5.3
11.3 2.1
Butane
37 28
14.8 11.2

4.0 Technical Data

4.2 Combi Instant 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
48.5
3
42
bar
3
2.5
0.5
1-2
Pump - Available Head
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 200 400
l/h
DHW Circuit bar
Pressures
Max Operating 8
Min Operating 0.2
Min Operating Pressure
at 12.7 l/min 0.96
Flow Rates l/min
DHW Flow Rate
@ 30 o C Rise 13.7
DHW Flow Rate
@ 35 o C Rise 9.8
Min Working
DHW Flow Rate 2.5
Pump - Grundfos UP 15-50
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 80
Primary Water Content
of Boiler (unpressurised) 3.0
Temperatures
C.H. Flow Temp
(adjustable)
35°C to 85°C
max
D.H.W. Flow Temp
35°C to 65°C
max
dependent upon flow rate
50°C Pre-heat OFF
65°C Pre-heat ON ± 5°C
dependent upon flow rate
600 800 1000 1200
(± 5°C)
(± 5°C)