Supplied By www.heating spares.co Tel. 0161 620 6677
LAYOUT OF BOILER
8 716 115 748 (2009/09)
6
2.2
CDi SYSTEM BOILERS
Fig. 3
CDi System layout
1
Flame viewing window
2
Ignition electrode and flame sensing electrode
3
Heat exchanger
4
Overheat thermostat
5
Access point for cleaning heat exchanger
6
Pump
7
System pressure gauge
8
Drain point
9
Central Heating return
10
Gas inlet connection (22mm compression)
11
Cover for external wiring connections
12
Control panel in service position
13
Access cover for transformer and PCB
14
Central Heating flow
15
Trap /Syphon outlet connector (22mm plastic pipe)
16
Inlet pressure test point
17
Trap / Syphon
18
Gas valve
19
Air / Gas adjustment screw
20
Test point for fan pressure
21
Fan
22
Primary sensor
23
Expansion vessel
24
Removable top panel for servicing
1
5
6
7
8
11
1
2
1
3
1
4
1
5
1
7
1
9
20
2
1
22
1
6
1
8
23
24
1
0
9
2
3
4
6 720 6
12 458-02.
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