11
1.
- Steel chassis complete with expansion vessel
2.- Sealed chamber
3.- Burner and heat exchanger assembly
4.- Air / gas connection
5.
- 24 V modulating fan
6.- Gas valve
7.
- Ignition electrode
8.- Ionisation probe
9.
- Ignitor
10.- Combustion products manifold
11.- Condense trap
12.- Silencer
1
3
.
- Electrical box
14.- Pump
16.- Pressure gauge
17.- Three way valve
18.- Automatic air separator and automatic vent
20.- Main exchanger return thermistor
21.- Main exchanger flow thermistor
22.- Overheat sensor
23.- Central heating pressure relief valve
24.- Condensate pipe
1
2
3
4
5
6
8
12
13
14
30
26
25
34
28
INSTALLER’S INSTRUCTIONS
7
Fig. 6
Fig 8
20
21
10
17
9
Fig. 7
33
31
32
18
22
16
25.- Display
26.-
On/off push button and power on
indicator light
28.- Reset push button and red indicator
locking light
30.- Central Heating start button
and
temperature setting
31.- Menu key
32.- Reducing key
33.- Increasing key
34.- Setting key
42
7. Description
11
23
24