Specifications
EN • 6
ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
664Y3000.A
TECHNICAL CHARACTERISTICS
Natural gas Propane gas
Central heating 50 75 50 75
Max [intake] pressure
kW
49,9 72 49,9 72
Min. [intake] pressure
kW
15 18,3 15 18,3
Max output 80/60°C
kW
48,4 69,9 48,4 69,9
Min. output 80/60°C
kW
14,7 17,9 14,7 17,9
Effi ciency at 30% load [EN677]
%
107,8 107,8 107,8 107,8
Flue gases
CO emissions max. / min. Input
mg/kWh
45 / 20 52 / 20 89 / ?? 118 / 37
NOx emissions [EN483]
mg/kWh
66 / 30 62 / 38 70 / 53 71 / 60
NOx classifi cation [EN483] 5 5 5 5
Flue gas temperature — max. Input 80/60°C
°C
82 82 80 80
Flue gas temperature — max. Input 50/30°C
°C
40 40 39 39
Mass fl ow rate of combustion products
kg/h
79 115 79 115
Flue gas pipe - Max. pressure drop
Pa
150 150 150 150
Concentric fl ue gas channel maximum length Ø 100 / 150 mm
m
20 20 20 20
Gas G20 / G25 G31
Category [varies by country]
I 2E[S]B — I 2Er — I 2H — I 2 HS
I 2ELL — I 2L — I 2E
I 3P — I 3+ — I 3B
Gas pressure
mbar
20 / 25 30 / 37 / 50
G20 gas fl ow rate
m
3
/h
5,28 7,6 • •
G25 gas fl ow rate
m
3
/h
6,14 8,8 • •
G31 gas fl ow rate
m
3
/h
• • 2,0 2,9
CO
2
max. Input G20/25 (with front panel closed)
% CO
2
9,4 9,4 10,8 10,8
CO
2
max. Input G20/25 (with front panel open)
% CO
2
9,2 9,2 10,5 10,5
CO
2
min. Input G20/25 (with front panel closed)
% CO
2
9,3 9,3 10,4 10,4
Hydraulic parameters
Max. operating temperature
°C
90 90 90 90
Boiler water capacity
L
20 17 20 17
Maximum operating pressure central heating
bar
3333
Heat exchanger pressure drop [ΔT = 20°C]
mbar
30 74 30 74
Electrical connection
Class
IP
30 30 30 30
Supply voltage
V/Hz
230 / 50 230 / 50 230 / 50 230 / 50
Maximum absorbed electrical power
A
0,8 1,1 0,8 1,1
Weight (empty) kg 54 58 54 58










