4.1 Platinum 24, 28, 33 & 40 Combi ErP
Flue Terminal Diameter 100mm
Dimensions Projection 125mm
Outercase Dimensions
Casing Height - 780mm
Overall Height Inc Flue Elbow - 965mm
Casing Width - 450mm
Casing Depth - 345mm
Weights
(24 & 28 model)
Packaged Boiler Carton 46.0 kg
Installation Lift Weight 40.2 kg
(33 model)
Packaged Boiler Carton 47.5 kg
Installation Lift Weight 41.7 kg
(40 model)
Packaged Boiler Carton 48.0 kg
Installation Lift Weight 42.2 kg
Central Heating Primary Circuit
Pressures
bar
Safety Discharge 3
Max Operating 2.5
Min Operating 0.5
Recommended Operating Range 1-2
DHW Circuit bar
Pressures
Max Operating 8
Min Operating 0.15
Flow Rates (24) (28) (33) (40)
l/min l/min l/min l/min
DHW Flow Rate
@ 30
o
C Rise 11.43 13.3 15.7 19.1
DHW Flow Rate
@ 35
o
C Rise 9.8 11.5 13.5 16.4
Min Working
DHW Flow Rate 2 2 2 2
Pump
Available Head See graph below
Expansion Vessel - (For Central Heating only.
Integral with appliance)
bar
Min Pre-charge Pressure 0.5
(24 & 28) (33 & 40)
litre litre
Max Capacity of
CH System 125 125
For greater system capacities an additional
expansion vessel MUST be fitted.
Primary Water Content
of Boiler (unpressurised) 2.5 2.8
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)
25°C to 80°C max (± 5°C)
D.H.W. Flow Temp (adjustable)
35°C to 60°C max (± 5°C)
dependent upon flow rate
Heat Output CH Pn (Non-Condensing)
Max Min
24 model kW 20 6.8
28 model kW 24 8.7
33 model kW 28 9.4
40 model kW 32 9.6
Electrical Supply 230V~ 50H
z
(Appliance must be connected to an
earthed supply)
Power Consumption
24 85w
28 120w
33 125w
40 125w
Electrical Protection
IPX0D (with timer)
IPX5D (without timer)
Internal Fuse Rating F2L
Appliance Category CAT I
2H
Inlet Pressure (Natural Gas - G20)
mbar 20
Injector (Natural Gas - G20)
7.5mm (24 & 28) 12mm (33 & 40)
Appliance Type C
13
C
33
C
53
Heat Output CH Pnc (Condensing)
Max Min
24 model kW 21.0 7.4
28 model kW 25.9 9.5
33 model kW 30.3 10.2
40 model kW 34.4 12.1
Heat Output DHW Max
24 model kW 24.0
28 model kW 28.0
33 model kW 33.0
40 model kW 40.0
Max Gas Rate (Natural Gas - G20)
(After 10 mins)
24 model m
3
/h 2.61
28 model m
3
/h 3.1
33 model m
3
/h 3.6
40 model m
3
/h 4.36
Condensate Drain
To accept 21.5mm (
3
/
4
in) plastic waste pipe
Heat Input CH Qn Hs (Gross)
Max Min
24 model kW 22.7 7.8
28 model kW 27.4 10.0
33 model kW 32.1 10.8
40 model kW 36.4 11.0
Heat Input DHW Qnw Hs (Gross)
Max
24 model kW 27.4
28 model kW 32.1
33 model kW 37.8
40 model kW 45.7
External Fuse Rating 3A
SAP 2009 Annual Efficiency
24 & 28 - 88.6%
33 & 40 - 88.5%
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
has been certified by 0085.
Product Characteristics Databae
(SEDBUK)
Clearances
Above Casing 175 mm Min
Below Casing 150 mm Min*
Front 450 mm Min (For Servicing)
Front 5 mm Min (In Operation)
L.H. Side 5 mm Min
R.H. Side 5 mm Min (In Operation)
*This is MINIMUM recommended dimension. Greater
clearance will aid installation and maintenance.
IMPORTANT: Where Low Flow Taps or Fittings are
intended to be used in the DHW system connected it is
strongly recommended that the DHW flow rate DOES
NOT fall below 2.5l/min. This will ensure reliable
operation of the DHW function.
NOTE: All data in this section are nominal values
and subject to normal production tolerances.
NO
x
Class 5
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