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fig. 50 - Side view
Ø100
7
Ø100
fig. 51 - Top view model 125
Ø H
7
Ø H
fig. 52 - Top view models 220/320
62
EN
C
44
44
cod. 3541A282 - Rev. 01 - 02/2013
5.2 Hydraulic circuit
7
36
10
278
346
186
321
275
154
fig. 53 - Hydraulic circuit
5.3 Technical data table
The column on the right gives the abbreviation used on the data plate.
Data
Model
Max. heating capacity
Min. heating capacity
Max. Heat Output in heating (80/60 °C)
Min. Heat Output in heating (80/60 °C)
Max. Heat Output in heating (50/30 °C)
Min. Heat Output in heating (50/30 °C)
Efficiency Pmax (80/60 °C)
Efficiency Pmin (80/60 °C)
Efficiency Pmax (50/30 °C)
Efficiency Pmin(50/30 °C)
Efficiency 30%
Efficiency class Directive 92/42 EEC
NOx emission class
Gas supply pressure G20
Max. gas delivery G20
Min. gas delivery G20
Gas supply pressure G31
Max. gas delivery G31
Min. gas delivery G31
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Protection rating
Power supply voltage
Electrical power input
Empty weight
Type of unit
PIN CE
These boilers can operate correctly with a minimum flow of 0 litres/hour.
5.4 Diagrams
Loss of head
30
25
20
15
10
5
0
0
5
10
fig. 54 - Pressure loss diagram
3
A
Flow rate - m
/h
B
mbar
QUADRIFOGLIO
44
16
81
82
114
Unit
Value
Value
Value
125
220
320
kW
116.0
207.0
299.0
kW
23.0
41.0
62.0
kW
114.0
204.0
294.5
kW
22.5
40.2
60.8
kW
125
220
320
kW
24.8
44.2
66.8
%
98.3
98.5
98.5
%
98.0
98.0
98.0
%
106.8
106.8
106.8
%
107.7
107.7
107.7
%
109.6
109.6
109.6
-
-
5
5
mbar
20
20
20
3
12.8
21.9
31.6
m
/h
2.4
4.3
6.5
3
m
/h
mbar
37
37
37
kg/h
9.0
16.2
23.4
kg/h
1.8
3.2
4.8
bar
6
6
bar
0.8
0.8
0.8
°C
95
95
95
litres
265
380
530
IP
X0D
X0D
X0D
V/Hz
230/50
230/50
230/50
W
200
260
370
kg
280
400
500
B
23
0085CL0441
220/320
125
15
20
25
30
35
A
(Q)
(Q)
(P)
(P)
(P)
(P)
5
(NOx)
6
(PMS)
(tmax)
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