Technical Data - Baxi Platinum 2 Combi 28 GA Installation & Servicing Instructions Manual

Appliance Type C C
13 33
Appliance Category
CAT I
Heat Input CH (Net)
Max
28 model kW 24
33 model kW 28
40 model kW 32
Heat Output CH (Non-Condensing)
Max
28 model kW 24
33 model kW 28
40 model kW 32
Heat Output CH (Condensing)
Max
28 model kW 25.3
33 model kW 29.6
40 model kW 33.8
Heat Input DHW (Net) Max
28 model kW 28.9
33 model kW 34.0
40 model kW 41.2
Heat Output DHW Max
28 model kW 28
33 model kW 33
40 model kW 40
Max Gas Rate (Natural Gas - G20)
(After 10 mins)
28 model m /h 2.96
3
33 model m /h 3.49
3
40 model m /h 4.23
3
Inlet Pressure (Natural Gas - G20)
mbar 20
SEDBUK Declaration
SAP 2005 Seasonal Efficiency is 91.1%
SAP 2009 Annual Efficiency is 89%
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 0087.
10
© Baxi Heating UK Ltd 2011
C C
Electrical Supply
43 53
(Appliance must be connected to an
2H
earthed supply)
Min
Power Consumption
2.9
28 model
3.4
33 model
4.1
40 model
Electrical Protection
Min
2.4
External Fuse Rating
2.8
4.0
Internal Fuse Rating
Condensate Drain
Min
To accept 21.5mm (
3.1
Flue Terminal
3.6
Dimensions
4.4
Connections
Gas Supply
Heating Flow
Heating Return
Cold Water Inlet
Hot Water Outlet
Pressure Relief Discharge
Outercase Dimensions
Casing Height
Overall Height Inc Flue Elbow
Casing Width
Casing Depth
Clearances
Above Casing
Below Casing
Front
Front
L.H. Side
R.H. Side
*This is MINIMUM recommended dimension. Greater
clearance will aid installation and maintenance.
Weights
Packaged Boiler Carton
Installation Lift Weight
Packaged Boiler Carton
Installation Lift Weight
Packaged Boiler Carton
Installation Lift Weight
NOTE: All data in this section are nominal values
and subject to normal production tolerances.

4.0 Technical Data

4.1
230V~ 50H z
W 135
W 145
W 140
IPX5D
3A
F2L
/ in) plastic waste pipe
3
4
Diameter 100mm
Projection 125mm
copper tails
- 22mm
- 22mm
- 22mm
- 15mm
- 15mm
- 15mm
- 763mm
- 923mm
- 450mm
- 353mm
175 mm Min
150 mm* Min
450 mm Min
(For Servicing)
5 mm Min
(In Operation)
5 mm Min
5 mm Min
(28)
43kg
37kg
(33)
44.5kg
38.5kg
(40)
45.5kg
39.5kg
NO x Class 5
Central Heating Primary Circuit
Pressures
Safety Discharge
Max Operating
Min Operating
Recommended Operating Range
DHW Circuit bar
Pressures
Max Operating 8
Min Operating 0.15
Flow Rates (28) (33)
l/min l/min
DHW Flow Rate
@ 30 C Rise 12.9 15.3
o
DHW Flow Rate
@ 35 C Rise 11.5 13.5
o
Min Working
DHW Flow Rate 2 2
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.
Pump
Available Head See graph below
Expansion Vessel - (For Central Heating only.
Integral with appliance)
bar
Min Pre-charge Pressure 0.5
(28)
litre
Max Capacity of
CH System 125
Primary Water Content
of Boiler (unpressurised) 2.5
Temperatures
C.H. Flow Temp
(adjustable)
25°C to 80°C
D.H.W. Flow Temp
(adjustable)
35°C to 60°C
dependent upon flow rate
Pump
Pump - Available Head
6
5.5
5
Maximum
4.5
4
3.5
Minimum
3
2.5
2
1.5
1
0.5
0
0 200 400 600
Flow Rate (l/h)
bar
3
2.5
0.5
1-2
(40)
l/min
18.3
16.4
2
(33 & 40)
litre
155
2.8
(± 5°C)
max
(± 5°C)
max
800 1000 1200