QUADRIFOGLIO
62
EN
fig. 50 - Side view
fig. 51 - Top view model 125
fig. 52 - Top view models 220/320
5.2 Hydraulic circuit
fig. 53 - Hydraulic circuit
5.3 Technical data table
The column on the right gives the abbreviation used on the data plate.
These boilers can operate correctly with a minimum flow of 0 litres/hour.
5.4 Diagrams
Loss of head
fig. 54 - Pressure loss diagram
A
Flow rate - m
3
/h
B
mbar
C
Ø100
44
7
Ø100
44
Ø H
7
Ø H
Data
Unit
Value
Value
Value
Model
125
220
320
Max. heating capacity
kW
116.0
207.0
299.0
(Q)
Min. heating capacity
kW
23.0
41.0
62.0
(Q)
Max. Heat Output in heating (80/60 °C)
kW
114.0
204.0
294.5
(P)
Min. Heat Output in heating (80/60 °C)
kW
22.5
40.2
60.8
(P)
Max. Heat Output in heating (50/30 °C)
kW
125
220
320
(P)
Min. Heat Output in heating (50/30 °C)
kW
24.8
44.2
66.8
(P)
Efficiency Pmax (80/60 °C)
%
98.3
98.5
98.5
Efficiency Pmin (80/60 °C)
%
98.0
98.0
98.0
Efficiency Pmax (50/30 °C)
%
106.8
106.8
106.8
Efficiency Pmin(50/30 °C)
%
107.7
107.7
107.7
Efficiency 30%
%
109.6
109.6
109.6
Efficiency class Directive 92/42 EEC
-
NOx emission class
-
5
5
5
(NOx)
Gas supply pressure G20
mbar
20
20
20
Max. gas delivery G20
m
3
/h
12.8
21.9
31.6
Min. gas delivery G20
m
3
/h
2.4
4.3
6.5
Gas supply pressure G31
mbar
37
37
37
Max. gas delivery G31
kg/h
9.0
16.2
23.4
Min. gas delivery G31
kg/h
1.8
3.2
4.8
Max. working pressure in heating
bar
6
6
6
(PMS)
Min. working pressure in heating
bar
0.8
0.8
0.8
Max. heating temperature
°C
95
95
95
(tmax)
Heating water content
litres
265
380
530
Protection rating
IP
X0D
X0D
X0D
Power supply voltage
V/Hz
230/50
230/50
230/50
Electrical power input
W
200
260
370
Empty weight
kg
280
400
500
Type of unit
B
23
PIN CE
0085CL0441
10
7
346
321
275
154
36
114
81
82
16
44
278
186
0
5
10
15
20
25
30
35
30
25
20
15
10
5
0
A
B
125
220/320
cod. 3541A282 - Rev. 0
1
- 02/2013
