TECHNICAL DATA
DESCRIPTION
Heating
Nominal heat delivery in heating mode
Nominal heat output (80/60°)
Reduced nominal heat delivery (50°/30°)
Reduced heat delivery
Reduced heat output (80°/60°)
Reduced heat output (50°/30°)
Nominal Range Rated heat output (Qn)
Minimum Range Rated heat output (Qm)
Useful efficiency (Pn max - Pn min)
Useful efficiency 30% (30° return)
Combustion performance via analysis socket
Useful efficiency Pn max - Pn min (50°/30°)
Useful efficiency 30% (47° return)
Average Range Rated efficiency Pn (80°/60°)
Average Range Rated efficiency Pn (50°/30°)
Electric power
Category
Country of destination
Power supply voltage
Degree of Protection
Pressure drops on flue with burner on
Pressure drops on flue with burner off
Heating operation
Pressure - maximum temperature
Minimum pressure for standard operation
Selection field of heating water temperature
Pump: maximum head available
for system capacity
Membrane expansion tank
Expansion tank pre-charge
Gas pressure
Methane gas nominal pressure (G 20)
LPG liquid gas nominal pressure (G 31)
Hydraulic connections
Heating input - output
Water tank delivery-output
Gas input
Boiler dimensions
Height
Width
Depth of housing
Boiler weight
JUNIOR GREEN 25 R.S.I.
kW
20.00
kcal/h
17,200
kW
19.50
kcal/h
16,770
kW
20.84
kcal/h
17,922
kW
5.00
kcal/h
4,300
kW
4.91
kcal/h
4,218
kW
5.36
kcal/h
4,610
kW
20.00
kcal/h
17,200
kW
5.00
kcal/h
4,300
%
97.5-98.1
%
108.9
%
97.7
%
104.2-107.2
%
102.2
%
97.8
%
106.0
W
110
II2H3P
V - Hz
230-50
IP
X5D
%
2.30
%
0.10
bar
3-90
bar
0.25-0.45
°C
20/45 – 40/80
mbar
150
l/h
800
l
bar
mbar
20
mbar
37
Ø
3/4"
Ø
3/4"
Ø
3/4"
mm
715
mm
405
mm
250
kg
26
JUNIOR GREEN R.S.I.
-
0.07
8
1
15