Ariston CLAS EVO SYSTEM 24 CF Servicing Instructions

10
descrizione del prodotto product description
Technical Data
GEN. NOTES
Model Name
CLAS EVO 24 CF
CLAS EVO
SYSTEM 24 CF
CLAS EVO
SYSTEM 28 CF
CE certi cation (pin) 1312BR4794 1312BR4923
Boiler type
B11 - B11bs
ELECTRICAL PERFORMANCE
Max/min nominal heat input(Hi) kW 25,8 / 11,0 25,8 / 11,0 29,5 / 13,0
Max/min nominal heat input (Hs) kW 28,7 / 12,2 28,7 / 12,2 32,8 / 14,4
Max/min nominal heat input for hot water (Hi) kW 27 / 11,0 27 / 11,0 30,5 / 13
Max/min nominal heat input for hot water (Hs) kW 30 / 12,2 30 / 12,2 33,9 / 14,4
Heat output: max/min kW 23,7 / 9,9 23,7 / 9,9 26,7 / 11,2
D.H.W. Heat output: max/min kW 24,8 / 99 24,8 / 99 27,6 / 11,2
Combustion e ciency (at  ue) Hi/Hs % 93,0 93,0 92,3
Gross e ciency of nominal heat input (60/80 °C) Hi/Hs % 91,9 / 82,8 91,9 / 82,8 90,6 / 81,6
Gross e ciency at 30 % at 47°C Hi/Hs % 91,2 / 82,1 91,2 / 82,1 89,7 / 80,8
Gross e ciency at minimum power Hi/Hs % 90,2 / 81,2 90,2 / 81,2 86,5 / 77,9
Number of e ciency stars (Directive 92/42/EEC) stars *** *** **
Rating Sedbuk class D D D
Ma. heat loss to the casing (ΔT = 50°C) % 1,1 1,1 1,7
Heat loss through the  ue when burner on
% 7,0 7,0 7,7
Heat loss through the  ue when burner o % 0,4 0,4 0,4
EMISSIONS
Residual discharge head Pa 3 3 3
Nox class class 3 3 3
Flue fumes temperature (G20) °C 118 118 133
CO2 content
2
(G20) % 5,8 5,8 6,2
CO content (0 %0
2
) ppm 53 53 41
O2 content2
(G20) % 10,1 10,1 9,3
Max capacity fumes (G20) kg/h 63,6 63,6 68,9
Excess air % 93 93 80
HEATING CIRCUIT
Load losses water side (max) ΔT=20°C (mbar) 200 200 200
Residual head for the system bar 0,25 0,25 0,25
Expansion vessel pre-charged pressure bar 1 1 1
Maximum central heating circuit pressure bar 3 3 3
Expansion vessel capacity l 8 8 8
Central heating temperature: max/min(high temperature
range)
°C 82 / 35 82 / 35 82 / 35
DOMESTIC HOT WATER CIRCUIT
Domestic hot water temperature max/min °C 60 / 36 60 / 40 60 / 40
Speci c  ow rate of domestic hot water system (10 min. with
ΔT=30°C)) instant boilers
l/min 12,2
D.H.W.  ow rate ΔT=25°C l/min 14.5
D.H.W.  ow rater ΔT=35°C l/min 10,2
Hot water comfort stars (EN13203) stars 3
D.H.W. minimum  ow rate l/min 1,7
Domestic hot water pressure max/min bar 7
ROOMELECTRICAL
DATA
Power supply voltage/frequency V/Hz 230/50 230/50 230/50
Power consumption W 79 79 90
Minimum operating room temperature °C +5 +5 +5
Electric system grades of protection IP X5D X5D X5D
Weight
kg 30 30 31

Ariston CLAS EVO SYSTEM 24 CF Specifications

General

Brand	Ariston
Model	CLAS EVO SYSTEM 24 CF
Category	Boiler
Language	English