2
x
Product description
8
FA ROTEX A1 BO - 10/2007
2
Product description
2.1
Boiler
design and components
A1 BO 15bio / A1 BO 20i
A1 BO 27i/A1 BO 35i
A1 Schematic drawing
Fig. 2-1
Boiler components – View from the front
Fig. 2-2
Diagram A1-boiler
A1 BO 15bio / A1 BO 20i
A1 BO 27i/A1 BO 35i
Fig. 2-3
Boiler
c
omponents – View from the back
1
Sound insulation hood
2
Boiler control panel
3
Boiler panelling
4
Burner
5
Controller
6
Boiler main body with
heat and sound
insulation
7
Type plate with manufacture number
8
Circulation pump
9
3-way diverter valve
10
Heater return flow (cold)
11
Heating flow (hot)
12
Manometer
13
Filling and draining cock
14
Safety valve
15
Flue gas/supply air connection
16
Condensate treatment unit
17
Condensate drain
18
Air supply hose
19
Flame tube
20
Burner chamber insert
21
Flue gas temperature sensor
22
Circuit board (electrical connections)
23
Stickers for identification of the usable oil quality
24
Document pouch
25
Ball stopcock
26
Flow temperature sensor
27
Return flow temperature sensor
Safety devices
2
4
18
26
14
9
8
21
15
16
17
20
19
25
