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5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Dimensions and connections
fig. 11 - Dimensions and connections
a1
Heating delivery - 1"
a2
Heating return - 1"
a3
Gas inlet - 1/2"
A
Front view
B
Side view
C
Rear View
5.2 General view and main components
fig. 12 - General view
1
Prearrangement for fitting a thermostatic controller
2
Boiler pressure/temperature gauge
3
Fume thermostat reset cover
4
Flame controller reset button
5
Control thermostat
6
Automatic reset safety thermostat (inside control panel)
7
Switch with test button (Test)
8
Control panel with front door raised
9
Gas valve
10
Main burner
11
Pressure point on gas manifold
12
Boiler drain cock
13
Pilot burner assembly
14
Flame controller
15
Automatic air vent valve (inside boiler)
34
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5.3 Technical data table
Powers
Heating capacity (Net Heat Value - Hi)
Available Heat Output 80°C - 60°C
Gas supply
Pilot nozzle G20 - G25
Pilot nozzle G31
Main nozzles G20
Supply pressure G20
Pressure at burner G20
Delivery G20
Main nozzles G31
Supply pressure G31
Pressure at burner G31
Delivery G31
Heating
Max. working temperature
Max. working pressure in heating
No. elements
Min. working pressure in heating
No. burner trains
Boiler water content
Dimensions, weights, connections
Height
Width
Depth
Empty weight
Gas system connection
Heating system delivery
Heating system return
Electrical power supply
Max. electrical absorption
Power supply voltage/frequency
Electrical protection rating
5.4 Diagram
Pressure loss
B
A
B
cod. 3540S420 - 05/2010 (Rev. 00)
1,5
1,35
1,2
1,05
0,9
0,75
0,6
0,45
0,3
0,15
0
0,5
1
1,5
2
2,5
fig. 13 - Diagram of pressure losses
3
m
/h
m. water column
Pmax
Pmin
kW
61.6
24.5
kW
56.0
21.6
Pmax
Pmin
mm
1 x 0.40
mm
1 x 0.24
mm
5 x 2.80
mbar
20
mbar
15.0
2.5
6.52
2.59
3
m
/h
mm
5 x 1.75
mbar
37
mbar
35.0
6
kg/h
4.82
1.92
°C
95
bar
6
6
bar
0.3
5
litres
16.6
mm
850
mm
600
mm
615
kg
191
inches
1/2"
inches
1"
inches
1"
W
15
V/Hz
230/50
IP
X0D
3
3,5
4
4,5
5
A
5,5
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