Immergas ZEUS Maior - Technical Specifications (ZEUS 21 Maior @); ZEUS 21 Maior @ Data Summary

26
STZM@ ed 05/04 ZEUS Maior @
Technical DocumentationTechnical Documentation
Technical data.
ZEUS 21 Maior @ technical data.
Nominal heat input
Minimum heat input
Useful nominal thermal power
Useful minimum thermal power
Efficiency at 100%
Efficiency at 30% of load
Outer casing losses with burner On/O.
Stack losses with burner On/O.
kW (kcal/h)
kW (kcal/h)
kW (kcal/h)
kW (kcal/h)
%
%
%
%
26.3 (22629)
10.9 (9335)
24.4 (21000)
9.3 (8000)
92.8
89.7
0.70 / 0.90
6.50 / 0.06
G20 G30 G31
Gas nozzle diameter
Supply pressure
mm
mbar (mm H
2
O)
1.30
20 (204)
0.75
29 (296)
0.75
37 (377)
Max. central heating circuit pressure
Maximum heating temperature
C.H. temperature adjustment
Total system expansion tank volume
System expansion tank pre-load
Total d.h.w. expansion tank volume
D.h.w. expansion tank pre-load
Appliance water content
Available head with 1000 l/h flow rate
D.H.W. useful thermal power
D.H.W. temperature adjustment
D.H.W. flow limiter
Min. pressure for nominal flow rate
Minimum dynamic pressure d.h.w. circuit
Max. d.h.w. circuit pressure
Specific flow rate (∆T 30°C)
Flow rate for continuous service (∆T 30°C)
Boiler weight full
Boiler weight empty
bar
°C
°C
l
bar
l
bar
l
kPa (m H
2
O)
kW (kcal/h)
°C
l/min
bar
bar
bar
l/min
l/min
kg
kg
3
90
38 - 85
5.9
1.0
2.0
3.5
3.5
20.58 (2.10)
24.4 (21000)
20 - 60
10
1.0
0.1
8
15.2
11.4
134
70
Electrical connection
Nominal power draw
Electric power installed
Circulator power draw
Fan power draw
Electrical insulation degree
V/Hz
A
W
W
W
-
230/50
0.68
140
78
35
IPX4D
G20 G30 G31
Fumes flow rate at max heat output
Fumes flow rate at min heat output
CO
2
at Q. Nom./Min.
CO at 0% of O
2
at Q. Nom./Min.
NO
X
at 0% of O
2
at Q. Nom./Min.
Exhaust flue temperature at max heat output
Exhaust flue temperature at min heat output
kg/h
kg/h
%
ppm
ppm
°C
°C
56
59
6.7 / 2.5
68 / 84
163 / 96
118
97
61
65
7.1 / 2.6
51 / 109
194 / 105
122
100
61
67
7.0 / 2.5
51 / 109
185 / 99
125
99
NO
X
class
NO
X
weighted
CO weighted
-
mg/kWh
mg/kWh
1
206
67
Type of appliance C12 /C32 / C42 / C52 / B22
Category II2H3+