3.2
Technical data
Cat.
Gas used
Rated heat input for DHW circuit (Qn)
Rated heat input for heating circuit (Qn)
Reduced heat input (Qn)
Rated heat output for DHW circuit (Pn)
Rated heat output 80/60 °C (Pn)
Rated heat output 80/60 (Pn)
Factory set heating mode value
Rated heat output 50/30 °C (Pn)
Reduced heat output
Reduced heat output
Rated efficiency
Max. pressure of water in heating circuit
Min. pressure of water in heating circuit
Capacity of water in expansion vessel
Minimum pressure of expansion vessel
Max. pressure of water in DHW circuit
Min. dynamic pressure in DHW circuit
Minimum flow of water in DHW circuit
Production of DHW with ∆T = 25 °C
Production of DHW with ∆T = 35 °C
Specific output "D"
Temperature range in heating circuit
Temperature range in DHW circuit
Coaxial flue duct diameter
Diameter of separate outlets
Max. mass flow rate of fumes
Min. mass flow rate of fumes
Max. exhaust temperature
Natural gas supply pressure 2H
Propane gas supply pressure 3B/P
Power supply voltage
Power supply frequency
Rated power supply
Net weight / water load
Dimensions (height/width/depth)
Humidity protection level (EN 60529)
CONSUMPTION AT HEAT INPUT Qmax and Qmin
Qmax (G20) - 2H
Qmin (G20) - 2H
Qmax (G30) - 3B
Qmin (G30) - 3B
Qmax (G31) - 3P
Qmin (G31) - 3P
(*) Supplied as an accessory
80/60 °C (Pn)
50/30 °C (Pn)
50/30 °C (Hi)
PRIME 1.24
Heating only
DHW Tank (*)
-
kW
-
kW
24.7
kW
4.9
kW
-
kW
24.0
kW
24,0
kW
26.1
kW
4.8
kW
5.2
%
105.8
bar
3
bar
0.5
l
7
bar
0.8
bar
-
bar
-
l/min
-
l/min
-
l/min
-
l/min
-
°C
25÷80
°C
-
mm
60/100
mm
80/80
kg/s
0.012
kg/s
0.002
°C
80
mbar
20
mbar
30
V
230
Hz
50
W
84
Kg
26/28
mm
700/395/279
700/395/279
-
IPX5D
Heating only
DHW Tank (*)
m3/h
2.61
m3/h
0.52
kg/h
1,95
kg/h
0,39
kg/h
1,92
kg/h
0,38
5
PRIME 24
II
2H3B/P
G20 - G30 - G31
28.9
24.7
24.7
20.6
4.9
4.9
28.0
24.0
24.0
20.0
24,0
20,0
26.1
21.8
4.8
4.8
5.2
5.2
105.8
105.8
3
3
0.5
0.5
7
7
0.8
0.8
-
8.0
-
0.15
-
2.0
-
13.8
-
9.8
-
11.5
25÷80
25÷80
35÷60
35÷60
60/100
60/100
80/80
80/80
0.014
0.012
0.002
0.002
80
80
20
20
30
30
230
230
50
50
94
84
26/28
26/28
700/395/279
700/395/279
IPX5D
IPX5D
3.06
2.61
0.52
0.52
2,28
1,95
0,39
0,39
2,25
1,92
0,38
0,38
7679406 (01-05/17)
PRIME 28
28.9
24.7
4.9
28.0
24.0
20,0
26.1
4.8
5.2
105.8
3
0.5
7
0.8
8.0
0.15
2.0
16.1
11.5
13.4
25÷80
35÷60
60/100
80/80
0.014
0.002
80
20
30
230
50
94
26/28
IPX5D
3.06
0.52
2,28
0,39
2,25
0,38