General Layout - Baxi Combi 105e Installation And Servicing Instructions

19
18
17
16
15
14
13
12
11
10
23
30° 40° 50° 60° 70° 80°
20
8
9
25 26 27
24 28
29 30 31 32
30° 40° 50° 60° 70° 80°
21

2.0 General Layout

2.1 Layout
1. Air Pressure Switch
2. Expansion Vessel
3. Burner Manifold
4. Automatic Air Vent
5. DHW Plate Heat Exchanger
6. Circulation Pump
1
7. Drain Off Point
8. Pressure Relief Valve
9. Optional Integral Timer
2 10. Central Heating System Pressure Gauge
11. PCB
12. Control Box
13. 3-Way Valve Assembly
3
14. Spark Generator
15. Flame Sensing Electrode
4
16. Spark Electrode
5
17. Burner
18. Primary Heat Exchanger
19. Fan Assembly
6
20. On/Off/Reset Selector Switch
21. Central Heating Temperature Control
7
22. Hot Water Temperature Control
23. Flame Failure
24. Safety Thermostat
25. Fault on Fan or Flue
26. Fault on Pump or Low System Pressure
27. Fault on Hot Water Sensor
28. Fault on Central Heating Sensor
29. Power On
30. Domestic Hot Water Mode
31. Central Heating Mode
32. Burner On
When neons 23 to 28 are constantly illuminated,
they indicate the temperature of the central heating
water.
22
2
bar
9
10
5