Quick Start Manual

4.0 Technical Data
11
4.2 Combi Instant 105e
Flue Terminal Diameter 100mm
Dimensions Projection 95mm
Outercase Dimensions
Casing Height - 780mm
Overall Height Inc Flue
Elbow - 980mm
Casing Width - 450mm
Casing Depth - 345mm
Clearances
Both Sides 5 mm Min
Above Casing 200 mm Min
Below Casing 200 mm Min
Front 450 mm Min (For Servicing)
Front 5 mm Min (In Operation)
Weights kg
Packaged Boiler Carton 50.5
Packaged Flue Kit 3
Installation Lift Weight 44
Central Heating Primary Circuit
Pressures
bar
Safety Discharge 3
Max Operating 2.5
Min Operating 0.5
Recommend Operating 1-2
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 14.7
DHW Flow Rate
@ 35
o
C Rise 12.7
Min Working
DHW Flow Rate 2.5
Pump - Grundfos UP 15-60
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) 3.2
Connections copper tails
Gas Supply - 22mm
Central Heating Flow - 22mm
Central Heating Return - 22mm
Cold Water Mains Inlet - 15mm
DHW Flow - 15mm
Pressure Relief Discharge - 15mm
Temperatures
C.H. Flow Temp (adjustable)
35°C to 85°C max (± 5°C)
D.H.W. Flow Temp
35°C to 65°C max (± 5°C)
dependent upon flow rate
50°C Pre-heat OFF
65°C Pre-heat ON ± 5°C
dependent upon flow rate
Heat Input C/H & DHW (Net)
Max Min
kW 34.3 11.9
Btu/h 117,036 40,610
Heat Output Max Min
kW 31.0 10.4
Btu/h 105,776 35,490
Electrical Supply 230V~ 50H
z
(Appliance must be connected to an
earthed supply)
Power Consumption 190W
External Fuse Rating 3A
Internal Fuse Rating
Fuse 2A Fast Blow to BS 4265
Appliance Category CAT II
2H 3P
Max Gas Rate (Natural Gas - G20)
(After 10 Mins)
m
3
/h 3.63
ft
3
/h 128.12
Inlet Pressure (Natural Gas - G20)
mbar 20
in wg 8
Burner Injector (Natural Gas - G20)
15 x 1.28mm Diameter
Burner Pressure (Natural Gas - G20)
Max Rate Min Rate
mbar 13.4 ± 0.5 1.8 ± 0.2
in wg 5.36 ± 0.2 0.72 ± 0.2
Appliance Type C
12
C
32
NO
x
Class 3
Electrical Protection
IPX5D
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.
SEDBUK Declaration For Combi Instant 105e
The seasonal efficiency (SEDBUK) is 78.5 %
0
200 400 600 800 1000 1200
0.5
1
1.5
2
2.5
3
3.5
4
Metre wg
l/h
Pump - Available Head
0
5
4.5
6
5.5
LPG Gases Propane - G31
Burner Injector 15 x 0.77mm diameter
Burner Pressure
Propane mbar
in wg
Inlet Pressures
mbar
in wg
Max Rate
35.8 ±0.5
14.3 ±0.2
Min Rate
4.9 ±0.2
2 ±0.2
37
14.8