5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Dimensions, connections and main components
95
194
38
74
32
65
14
210
56
255
42
EN
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500
36
246
278
295
Ø120-130
10
209
11
210
50
145
290
632
95
194
38
74
32
fig. 36
cod. 3540S516 - Rev. 01 - 03/2015
ATLAS D 30 SI UNIT
10 =
System delivery
11 =
System return
14 =
Safety valve
32 =
Heating circulating pump
36 =
automatic air vent
38 =
Flow switch
56 =
Expansion tank
74 =
System filling cock
95 =
Diverter valve
194 =
DHW exchanger
209 =
Domestic hot water outlet
210 =
Cold water inlet
246 =
Pressure transducer
255 =
System water drain
278 =
Double sensor (Safety + Heating)
295 =
Burner
5.2 Pressure loss
Circulating pumps head/Pressure loss
H [m H
O]
2
7
3
6
2
5
4
1
3
2
1
0
0
0.5
1
fig. 37 - Pressure losses
5.3 Technical data table
Data
Model
Number of elements
Max. heating capacity
Min. heating capacity
Max. heat output
Min. heat output
Efficiency Pmax (80-60°C)
Efficiency 30%
Efficiency class Directive 92/42 EEC
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Heating expansion tank capacity
Heating expansion tank prefilling pressure
Max. working pressure in hot water production
Min. working pressure in hot water production
Hot water content
DHW flowrate Dt 25°C
DHW flowrate Dt 30°C
Protection rating
Power supply voltage
Electrical power input
Electrical power input in hot water production
Empty weight
Combustion chamber length
Combustion chamber diameter
Pressure loss on fume side
1.5
2
2.5
3
Q [m
/h]
Unit
Value
D 30 SI Unit
no.
3
kW
32.2
kW
16.9
kW
30
kW
16
%
93
%
94.6
bar
6
bar
0.8
°C
95
litres
19
litres
10
bar
1
bar
9
bar
0.3
litres
0.5
l/min
17.2
l/min
14.3
IP
X0D
V/Hz
230/50
W
320
W
320
kg
160
mm
350
mm
300
mbar
0.22
3
(Q)
(Q)
(P)
(P)
(PMS)
(tmax)
(PMW)