Alpha 41 532 05 - Page 5

5
Alpha CD13R, 18R, 24R - Technical Data
2.3 PHYSICAL DATA
Boiler flow connections mm
Boiler return connections mm
Gas connection diameter mm
Boiler dimensions Height mm
Width mm
Depth mm
Clearances for servicing Bottom mm
Top (horizontal flue) mm
Top (vertical flue) mm
Sides mm
Front mm
Recommended hole size for flue pipe mm
Boiler dry lift weight kg
Boiler operating weight (full of water) approx. kg
Max. total flue length Horizontal m
Max. total flue length Vertical m
Flue system diameter mm
22
22
15
600
390
305
100
235
150
5
450
110
27
28
12
14
60/100
22
22
22
600
390
305
100
235
150
5
450
110
28
29
12
14
60/100
22
22
15
600
390
305
100
235
150
5
450
110
27
28
12
14
60/100
CD 13R CD 18R CD 24R
13.8
12.4
13.1
12.1
5.4
0.48
37
82
4.0
0.5
2.0
10.6
9.8
0.003
CD 13R CD 18R CD 24R
20.4
18.4
19.6
18.0
5.4
0.72
37
82
4.0
0.5
4.22
10.6
9.8
0.003
26.6
24.0
25.6
23.5
6.5
0.44
37
82
4.0
0.6
6.4
10.6
9.8
0.003
Heat input gross - CH kW
Heat input net - CH kW
Heat output condensing (50/30°C) - CH kW
Heat output non condensing (80/60°C) CH kW
Heat output min. - CH kW
Gas rate at max. output l/h
Gas supply pressure mbar
Max. CH temperature °C
Gas burner injector diameter mm
Differential burner pressure - min. mbar
Differential burner pressure - CH mbar
Factory set max. CO
2
(± 0.5%)
CO
2
maximum - CH output %
CO
2
minimum output %
Maximum CO/CO
2
Ratio
2.2 TECHNICAL PERFORMANCE DATA - PROPANE GAS (Cat I3P 3P - G31 - 37 mbar)