21
INST
ALLER Section
(en)
7710400 (01-06/18)
20. TECHNICAL SPECIFICATIONS
Model: DUO-TEC COMPACT
1.24 GA
24 GA
28 GA
Cat.
II
2H3P
Gas used
-
G20 - G31
Rated heat input for DHW circuit.
kW
-
24,7
28,9
Rated heat input for heating circuit.
kW
24,7
20,6
24,7
Reduced heat input
kW
3,5
3,5
3,9
Rated heat output for DHW circuit
kW
-
24,0
28,0
Rated heat power 80/60°C
kW
24,0
20,0
24,0
Rated heat power 50/30 °C
kW
26,1
21,8
26,1
Reduced heat output 80/60 °C
kW
3,4
3,4
3,8
Reduced heat output 50/30 °C
kW
3,7
3,7
4,1
Rated efficiency 80/60 °C
%
97,6
97,7
97,7
Rated efficiency 50/30 °C
%
105,7
105,8
105,8
Efficiency 30% Pn
%
107,6
107,6
107,6
Max. pressure of water in heating circuit
bar
3
Min. pressure of water in heating circuit
bar
0,5
Capacity of water in expansion vessel
l
7
Minimum pressure of expansion vessel
bar
0,8
Max. pressure of water in DHW circuit
bar
-
8,0
8,0
Min. dynamic pressure in DHW circuit
bar
-
0,15
0,15
Minimum flow of water in DHW circuit
l/min
-
2,0
2,0
Production of DHW with ∆T = 25 °C
l/min
-
13,8
16,1
Production of DHW with ∆T = 35 °C
l/min
-
9,8
11,5
Specific flow “D” (EN 13203-1)
l/min
-
11,5
13,4
Temperature range in heating circuit
°C
25÷80
Temperature range in DHW circuit
°C
35÷60
Fumes typology
-
C13 - C33 - C43 - C53 - C63 - C83 - B23
Coaxial flue duct diameter
mm
60/100
Diameter of separate outlets
mm
80/80
Max. mass flow rate of fumes
kg/s
0,012
0,012
0,014
Min. mass flow rate of fumes
kg/s
0,002
0,002
0,002
Max. temperature of fumes
°C
80
80
80
Nox Class 5 (EN 15502-1)
mg/kWh
17,3
16,1
19,3
Natural gas supply pressure 2H
mbar
20
Propane gas supply pressure 3P
mbar
37
Power supply voltage
V
230
Power supply frequency
Hz
50
Rated power supply
W
102
102
114
Net weight
kg
30
34
34
Dimensions (height/ width/ depth)
mm
700/400/299
Protection-limit against humidity (EN 60529)
-
IPX5D
Noise level at 1 metre
dB(A)
< 45
CONSUMPTION AT HEAT INPUT Qmax and Qmin
Qmax (G20) - 2H
m
3
/h
2,61
2,61
3,06
Qmin (G20) - 2H
m
3
/h
0,37
0,37
0,41
Qmax (G31) - 3P
kg/h
1,92
1,92
2,25
Qmin (G31) - 3P
kg/h
0,27
0,27
0,30
Содержание DUO-TEC COMPACT
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