30
JUNIOR GREEN C.S.I.
TECHNICAL DATA
DESCRIPTION
JUNIOR GREEN 25 C.S.I.
Heating
Nominal heat delivery in heating mode
kW - kcal/h
20,00 - 17.200
Nominal heat output (80/60°)
kW - kcal/h
19,50 - 16.770
Reduced nominal heat delivery (50°/30°)
kW - kcal/h
20,84 - 17.922
Reduced heat delivery
kW - kcal/h
5,00 - 4.300
Reduced heat output (80°/60°)
kW - kcal/h
4,91 - 4.218
Reduced heat output (50°/30°)
kW - kcal/h
5,36 - 4.610
Nominal Range Rated heat output (Qn)
kW - kcal/h
20,00 - 17.200
Minimum Range Rated heat output (Qm)
kW - kcal/h
5,00 - 4.300
DHW
Nominal heat delivery
kW - kcal/h
25,00 - 21.500
Nominal heat output (*)
kW - kcal/h
25,00 - 21.500
Reduced heat delivery
kW - kcal/h
5,00 - 4.300
Heat output at minimum (*)
kW - kcal/h
5,00 - 4.300
(*) average value of various DHW operating conditions
Useful efficiency (Pn max - Pn min)
%
97,5 - 98,1
Efficiency 30% (30° return)
%
102,2
Combustion performance
%
97,9
Useful efficiency Pn max - Pn min (50°/30°)
%
104,2 - 107,2
Useful efficiency 30% (47° return)
%
108,9
Average Range Rated efficiency Pn (80°/60°)
%
97,8
Average Range Rated efficiency Pn (50°/30°)
%
106,0
Electric power
W
83
Circulator electric power (1.000 l/h)
W
40
Category
II2H3P
Country of destination
-
Power supply voltage
V - Hz
230 - 50
Degree of Protection
IP
X5D
Pressure drops on flue with burner on
%
2.10
Pressure drops on flue with burner off
%
0.06
Heating operation
Pressure - maximum temperature
bar - °C
3 - 90
Minimum pressure for standard operation
bar
0,25 - 0,45
Selection field of heating water temperature
°C
20 / 45 - 40 / 80
Pump: maximum head available
mbar
297
for system capacity
l/h
800
Membrane expansion tank
l
8
Expansion tank pre-charge
bar
1
DHW operation
Maximum pressure
bar
6
Minimum pressure
bar
0,15
Hot water quantity
with
∆
t 25 °C
l/min
14,3
with
∆
t 30 °C
l/min
11,9
with
∆
t 35 °C
l/min
10,2
DHW minimum output
l/min
2
Selection field of DHW temperature
°C
37 - 60
Flow regulator
l/min
10
Gas pressure
Methane gas nominal pressure (G 20)
mbar
20
LPG liquid gas nominal pressure (G 31)
mbar
37
Hydraulic connections
Heating input - output
Ø
3/4”
DHW input-output
Ø
1/2”
Gas input
Ø
3/4”
Boiler dimensions
Height
mm
715
Width
mm
405
Depth of housing
mm
250
Boiler weight
kg
27
Flow rate (G20)
Air capacity
Nm
3
/h
24,908 / 31,135
Flue gas capacity
Nm
3
/h
26,914 / 33,642
Mass flow of flue gas (max-min)
gr/s
9,025 - 2,140 / 11,282 - 2,140
Flow rate (G31)
Air capacity
Nm
3
/h
24,192 / 30,240
Flue gas capacity
Nm
3
/h
24,267 / 31,209
Mass flow of flue gas (max-min)
gr/s
8,410 - 2,103 / 10,513 - 2,103