Ariston Clas 24 FF Informations techniques télécharger pdf (Page 9)

descrizione del prodotto product description

Technical Data

GEN. NOTES

Model Name CLAS 24 FF CLAS 28 FF

CE certi cation (pin) 1312BR4793

Boiler type

C12-C32-C42-C52-C62-C82-B22-B22p-B32

ELECTRICAL PERFORMANCE

Max/min nominal heat input(Hi) kW 25,8 / 11,0 30,0 / 13,0

Max/min nominal heat input (Hs) kW 28,7 / 12,2 33,3 / 14,4

Max/min nominal heat input for hot water (Hi) kW 27 / 11,0 31,3 / 13,0

Max/min nominal heat input for hot water (Hs) kW 30 / 12,2 34,8 / 14,4

Heat output: max/min kW 24,2 / 9,8 28,1 / 11,6

D.H.W. Heat output: max/min kW 26,2 / 9,8 29,5 / 11,6

Combustion e ciency (at  ue) Hi/Hs % 94,5 93,9

Gross e ciency of nominal heat input (60/80 °C) Hi/Hs % 93,8 / 84,5 93,6 / 84,3

Gross e ciency at 30 % at 47°C Hi/Hs % 93,6 / 84,3 93,2 / 83,9

Gross e ciency at minimum power Hi/Hs % 89,2 / 80,3 89,3 / 80,4

Number of e ciency stars (Directive 92/42/EEC) stars *** ***

Rating Sedbuk class D D

Ma. heat loss to the casing (ΔT = 50°C) % 0,4 0,3

Heat loss through the  ue when burner on

% 5,5 6,1

Heat loss through the  ue when burner o % 0,4 0,4

EMISSIONS

Residual discharge head Pa 100 104

Nox class class 3 3

Flue fumes temperature (G20) °C 105 114

CO2 content

(G20) % 6,5 6,4

CO content (0 %0

) ppm 50 92

O2 content2

(G20) % 8,8 8,9

Max capacity fumes (G20) kg/h 57,4 67,5

Excess air %72 74

HEATING CIRCUIT

Load losses water side (max) ΔT=20°C (mbar) 200 200

Residual head for the system bar 0,25 0,25

Expansion vessel pre-charged pressure bar 1 1

Maximum central heating circuit pressure bar 3 3

Expansion vessel capacity l 8 8

Central heating temperature: max/min(high temperature range) °C 85 / 35 85 / 35

DOMESTIC HOT WATER CIRCUIT

Domestic hot water temperature max/min °C 60 / 36 60 / 36

Speci c  ow rate of domestic hot water system (10 min. with ΔT=30°C)) instant

boilers

l/min 12,5 14,1

D.H.W.  ow rate ΔT=25°C l/min 15,0 16,9

D.H.W.  ow rater ΔT=35°C l/min 10,7 12,1

Hot water comfort stars (EN13203) stars 3 3

D.H.W. minimum  ow rate l/min 1,7 1,7

Domestic hot water pressure max/min bar 7 7

ROOMELECTRICAL

DATA

Power supply voltage/frequency V/Hz 230/50 230/50

Power consumption W 117 129

Minimum operating room temperature °C +5 +5

Electric system grades of protection IP X5D X5D

Weight kg 30 31

Dimensions (W x H x D) : mm 400/770/315 400/770/315

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 39 40

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Ariston Clas 24 FF Informations techniques Page 9

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