5
Alpha InTec S - Technical Data
2.3 PHYSICAL DATA
Boiler fl w connections
mm
Boiler return connections
mm
Relief valve connection
mm
Gas connection diameter
mm
Boiler dimensions
Height
mm
Width
mm
Depth
mm
Clearances for servicing Bottom
mm
Bottom (with jig)
mm
Top (horizontal flue mm
Top (vertical flue
mm
Sides
mm
Front
mm
Recommended hole size for flue pip
mm
Boiler dry lift weight
kg
Boiler operating weight (full of water) approx.
kg
Max. total flue lengt
Horizontal
m
Max. total flue length
Vertical
m
Flue system diameter
mm
Factory fitted
Filling loop
Factory fitte
Seasonality valve
GasSaver compatible
Solar compatible
22
22
15
15
720
440
300
150
250
235
150
5
450
110
36
38
12
14
60/100
No
No
Yes
Yes
22
22
15
22
720
440
300
150
250
235
150
5
450
110
39
41
12
14
60/100
No
No
Yes
Yes
22
22
15
15
720
440
300
150
250
235
150
5
450
110
35
37
12
14
60/100
No
No
Yes
Yes
InTec 12S
InTec 18S
InTec 28S
13.6
12.3
13
12.0
2.0
1.9
37
82
2.8
0.27
6.95
10.8
10.4
0.003
InTec 12S
InTec 18S
InTec 28S
20.6
18.6
20
18.3
3.2
2.8
37
82
3.8
0.19
5.27
10.5
9.7
0.003
31.5
28.4
30.7
27.6
7.2
4.3
37
82
5.8
0.24
2.51
10.5
9.7
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)
