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Appliance Type
C
12
Appliance Category
CAT II
Heat Input (Gross)
Max
Min
kW
19.4
10.6
Btu/h
66,200
36,170
Heat Output
Max
Min
kW
17.5
9.3
Btu/h
59,720
31,740
Max Gas Rate (Natural Gas - G20)
(After 10 Mins)
m
3
/h
2.05
ft
3
/h
72.4
Burner Pressure (Natural Gas - G20)
Max Rate
mbar
6.9 ± 0.5
in wg
2.8 ± 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 Maximum
Internal Fuse Rating
Fuse 2A Fast Blow to BS 4265
Electrical Protection
IPX5D
SEDBUK Declaration For System Boiler 35/60
The seasonal efficiency (SEDBUK) is 78.8 %
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.
C
NO x Class
32
Flue Terminal
2H 3+
Dimensions
Connections
Gas Supply
Central Heating Flow
Central Heating Return
Pressure Relief Discharge -
Outercase Dimensions
Casing Height
Overall Height Inc Flue
Elbow
Casing Width
Casing Depth
Min Rate
Clearances
2.5 ± 0.5
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
4.0 Technical Data
4.1
System 35/60
3
Diameter
100mm
Projection
95mm
copper tails
-
22mm
-
22mm
-
22mm
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
45
3
37
bar
3
2.5
0.2
1-2
Pump - Available Head
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
200
l/h
Pump - Grundfos UP 15-50
Available Head
See graph below
Expansion Vessel - (Integral with appliance)
bar
Min Pre-charge Pressure
0.5
litre
Max Capacity of
CH System
125
Primary Water Content
of Boiler (unpressurised)
1.0
Temperatures
C.H. Flow Temp
(adjustable)
35°C to 85°C
LPG Gases Propane - G31 and
Butane - G30
Burner Injector 12 x 0.65mm diameter
Burner Pressure
Max Rate
Propane
mbar
36.2 ± 0.5
in wg
14.5 ± 0.2
Butane
mbar
28.8 ± 0.5
in wg
11.5 ± 0.2
Propane
Inlet Pressures
37
mbar
14.8
in wg
400
600
800
1000
(± 5°C)
max
Min Rate
10.8 ± 0.5
4.3 ± 0.2
7.7 ± 0.5
3.1 ± 0.2
Butane
28/30
11.2
1200
7
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