
Baxi Platinum Combi HE ASeries: Wall mounted high efficiency combination boilers
24 HE A28 HE A33 HE A40 HE A
Platinum Combi HE A
CONTROLS
Concealed User Controls Yes Yes Yes Yes
On/Off Switch with Reset Yes Yes Yes Yes
User Adjustable DHW Temperature Yes Yes Yes Yes
User Adjustable CH Temperature Yes Yes Yes Yes
LED Temp/Status/Fault Diagnosis Display
2 digits/3 LEDs 2 digits/3 LEDs 2 digits/3 LEDs 2 digits/3 LEDs
Integral 24 hour Electro-mechanical Timer
Fitted as standard Fitted as standard Fitted as standard Fitted as standard
GAS
GasSupplyPipeSize mm 22222222
Natural Gas Yes Yes Yes Yes
LPG (Butane/Propane) No No No No
Nominal Inlet Supply Pressure mbar 20 20 20 20
Maximum Gas Rate m3/hr 2.61 3.10 3.6 4.36
Heat Input Central Heating kW Max Gross 22.7 27.4 32.1 36.4
kW Max Net 20.5 24.7 28.9 32.8
kW Min Gross 7.8 10 10.8 11
kW Min Net 7.0 9.0 9.7 9.9
Heat Output CH Non Condensing kW Max 20 24 28 32
(70° Mean Water temp) kW Min 6.8 8.7 9.4 9.6
Heat Output CH Condensing kW Max 21 25.9 30.3 34.4
(40° Mean Water temp) kW Min 7.4 9.5 10.2 12.1
Heat Input Domestic Hot Water kW Max Gross 27.4 32.1 37.7 45.7
(DHW) kW Max Net 24.7 28.9 34 41.2
Heat Output Domestic Hot Water kW Max 24 28 33 40
Maximum Domestic
Hot Water Flow Rate l/min @ 35°C Rise 9.8 11.5 13.5 16
Seasonal Efficiency % 91.1 91.1 91.1 91.1
SEDBUK Rating Band A A A A
NOxClass 5 5 5 5
NOxLevels mg / kWhr 22.3 26.0 21.8 25.2
ELECTRICAL
Electrical Supply Volts / Hz 230V / 50Hz 230V / 50Hz 230V / 50Hz 230V / 50Hz
Permanent Live Required Yes Yes Yes Yes
Fitted Electrical Cable 1m x 3 core x 0.75mm 2
Power Consumption Watts 155 155 160 160
External Fuse Rating Amps 3 3 3 3
Internal Fuse Rating Amps F2L F2L F2L F2L
Ingress Protection Rating (without electro-mechanical timer fitted) IPX 5D IPX 5D IPX 5D IPX 5D
24 hour Pump Exercise Yes Yes Yes Yes
Pump Overrun Yes Yes Yes Yes
Integral 'Boiler Only' Frost Thermostat Yes Yes Yes Yes
MECHANICAL & HYDRAULIC
Compartment Ventilation Requirement None None None None
Pre-plumbing/Wall Mounting Jig Yes Yes Yes Yes
Flow&ReturnPipeSize mm 22 22 22 22
Condensate Discharge Pipe Size mm 21.5 21.5 21.5 21.5
Integral Automatic Bypass Yes Yes Yes Yes
Min Domestic Hot Water Flow Rate l/min 2 2 2 2
Min Domestic Hot Water Operating Pressure bar 0.15 0.15 0.15 0.15
Maximum DHW System Pressure bar 8 8 8 8
Safety Discharge Pressure bar 3 3 3 3
Integral Expansion Vessel Capacity litres 8 8 10 10
Max Capacity of Central Heating System litres 125 125 155 155
Temporary Filling Loop included Yes Yes Yes Yes
CH System Inhibitor Required Hard Water only
CONCENTRIC FLUE SYSTEM
Standard Telescopic Horizontal Flue Kit Length mm 315 - 500 315 - 500 315 - 500 315 - 500
Max Equiv Length Horizontal/Vertical (60/100mm) m 10 10 10 10
Max Equiv Length Horizontal/Vertical (80/125mm) m 20 20 20 20
Equivalent Length per 135oBend m 0.5 0.5 0.5 0.5
Equivalent Length per 93oBend m 1 1 1 1
TWIN PIPE FLUE SYSTEM
Diameters mm 80 / 80 80 / 80 80 / 80 80 / 80
Max Equiv Length Horizontal/Vertical
(parallel pipes) m 15/15 15/15 15/15 15/15
Equivalent Length per 135° Bend m 0.25 0.25 0.25 0.25
Equivalent Length per 91.5° Bend m 0.5 0.5 0.5 0.5
WEIGHTS
Max Installation Lift Weight kg 43.6 44.2 45 45
Gross Packaged Boiler Weight kg 48.6 49.2 50 50
6
200mm Min
780mm
270mm
200mm Min
5mm Min 5mm Min
450mm
180mm
150mm Min*
780mm
450mm
200mm Min
(300mm Min if
using 80/125mm
flueing system)
5mm Min
5mm Min
450mm Min
For Servicing
Purposes
In Operation
5mm Min
At least 1.5°
345mm
* This is the MINIMUM recommended dimension.
Greater clearance will aid installation and maintenance.
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