2.6 PERFORMANCE DATA - C36 COMBI & C36P COMBI
Seasonal Efficiency (SEDBUK) =90.7 (C36 Combi) & 92.8 (C36P Combi)
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 Advantica Technologies Ltd
Keston Boilers Ltd declare that there are no substances harmful to health within the
appliance or used during the production of the appliance.
The C36 Combi is intended for domestic and commercial EMC environments and on a
governed G20 meter supply.
The C36P Combi is intended for domestic and commercial EMC environments and on a
governed G31 supply.
WD388/0/2004 Chapter 2 : General Instruction The Keston C36 Combi & C36P Combi Boilers
Installation & Servicing Instructions Page : 7
C36 COMBI C36P COMBI
Nat. Gas (G20) LPG (G31)
Min. Input (Gross CV) kW/(Btu/h) 8.3/(28,300) 8.1/(27,600)
Max. CH Input (Gross CV) kW/(Btu/h) 28.3/(96,500) 27.7/(94,500)
Max. DHW Input (Gross CV) kW (Btu/h) 40.0/(136,500) 39.0/(133,000)
Max. DHW Output to Water kW/(Btu/h) 36.0/((122,800) 36.0/(122,800)
Max. CH Output To Water
(80/60
o
C Flow/Return) kW/(Btu/h) 25.2/(86,000) 25.2/(86,000)
(50/30
o
C Flow/Return) kW/(Btu/h) 28.0/(95,500) 27.7/(94,500)
Min. CH Output To Water
(80/60
o
C Flow/Return) kW/(Btu/h) 7.4/(25,250) 7.4(25,250)
(50/30
o
C Flow/Return) kW/(Btu/h) 8.2/(28,000) 8.1/(27,600)
Max. Domestic Hot Water Flow Rate litre/min 14.5 14.5
(at 35
O
C Rise)
Specific DHW Rate (30
O
C Rise) litre/min 17.0 17.0
Min. Domestic Hot Water Flow Rate litre/min 0.35 0.35
Max. Domestic Hot Water Flow Temp.
O
C 65 65
Max. Burner Press.-Hot
(Factory Preset)
mbar/(in w.g) 0/(0) 0/(0)
Max. Gas Cons. After 10 mins (DHW) l/s / (Ft
3
/hr) 1.03/(131) 0.48/(61)
Max. Operating Flow Temp.
o
C 82 82
Max. Press. (Sealed System) bar 2.50 2.50
Inlet Gas Pressure mbar/(in w.g) 20.0 / (8.0) 37.0/(14.8)
Recommended Temp Diff.
o
C 8 to 20 8 to 20
Electrical Supply 230V 50Hz 230V 50Hz
Power Consumption (Max) W 180 180
Power Consumption (Standby) W 6 6
Type of Gas G20 Natural Gas G31 LPG
Optimum Flue Gas CO
2
Level (at max CH rate, case on) 9.3 10.6
Expected CO/CO2 Ratio (at max CH rate, case on) 0.0006 0.001
Destination Countries GB/IE GB/IE
SEDBUK Efficiency 90.7 92.8
NOx Class 5 5
Safety Valve bar / (lbf/sq in) 3 / (43.5) 3 / (43.5)
Expansion Vessel Capacity litre 8 8
[NB: For larger systems an additional expansion vessel may be required]
Expansion Vessel Charge Pressure bar / (lbf/sq in) 1.0 / (14.5)
Heating System Minimum Pressure bar / (lbf/sq in) 0.6 / ( 8.7)
DHW Max. Working Pressure bar / (lbf/sq in) 8/ (116)
Min. Working Pressure for Max. Domestic Flow Rate bar / (lbf/sq in) 2
Maximum CWS Inlet Temperature
o
C 50 50
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