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Technical Documentation
Technical data.
ZEUS kW technical data.
Nominal heat input
Minimum heat input
Nominal (useful) heat output
Minimum (useful) heat output
Efficiency at nominal heat output
Efficiency at 30% nominal heat output
Casing losses with burner On/Off
Chimney losses with burner On/Off
Maximum working pressure of central heating circuit
Maximum working temperature of central heating circuit
Central heating temperature range
Total volume of system expansion vessel
Expansion vessel factory-set pressure
Total volume of DHW expansion vessel
DHW expansion vessel factory-set pressure
Appliance water content
Available head at 1000 litres/hours flow rate
Hot water production useful heat output
DHW temperature adjustable range
2-bar DHW flow limiter
DHW circuit minimum (dynamic) pressure
Maximum working pressure of DHW circuit
Specific flow rate (ΔT 30°C)
Continuous service capacity (ΔT 30°C)
Loaded boiler weight
Empty boiler weight
Power supply connection
Nominal power input
Installed electric power
Pump comsumption
Fan comsumption
Appliance electric insulation rating
NO
class
X
Weighted NO
X
Weighted CO
Type of appliance
Category
- Flue temperature values refers to 15°C air intake tempera-
ture.
- Data involving DHW performance refers to a 2-bar dynamic
inlet pressure and 15°C inlet temperature; the values are read
immediately at the boiler outlet and considering mixing with
cold water is necessary to obtain require temperature.
STZkW ed 10/07
Technical Documentation
Zeus 24 kW
kW (kcal/h)
25.5 (21934)
kW (kcal/h)
10.5 (9048)
kW (kcal/h)
24.0 (20640)
kW (kcal/h)
9.3 (8000)
%
%
%
0.40 / 0.89
%
5.50 / 0.03
bar
°C
°C
l
bar
l
bar
l
kPa (m H
O)
24.7 (2.51)
2
kW (kcal/h)
24.0 (20640)
°C
l/min
bar
bar
l/min
l/min
kg
kg
V/Hz
A
W
W
W
-
-
mg/kWh
mg/kWh
C12 /C32 / C42 / C52 / C82 / B22 / B32
- Maximum sound pressure level produced by the operating
boiler is < 55 dBA. The sound pressure measure ment refers
to tests in a semi-anechoic chamber with the boiler running
at maximum heat input, and equipped with a standard
flue kit.
32
Zeus 28 kW
29.8 (25644)
12.6 (10799)
28.0 (24080)
11.0 (9460)
94.1
93.9
90.4
90.6
0.60 / 0.62
5.50 / 0.01
3
3
90
90
35 - 85
35 - 85
7.7
7.7
1
1
1.2
1.2
3.5
3.5
3.6
4.1
33.4 (3.40)
28.0 (24080)
20 - 60
20 - 60
9.2
11.6
0.3
0.3
8
8
13.5
14.5
11.5
13.4
100.1
104.6
54
58
230/50
230/50
0.7
0.73
140
145
81.7
85.6
32.8
37.6
IPX4D
IPX4D
3
3
134
113
111
104
II2H3+
ZEUS kW Export
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