General Layout - Baxi Combi Instant 80e Installation & Servicing Instructions Manual

19
18
17
16
15
14
13
12
11
20
6
10
9
25 26 27
23 24 28
30° 40° 50° 60° 70° 80°
30 31 32
29
30° 40° 50° 60° 70° 80°
21
1
2
3
4
5
6
7
8
PREHEAT
OFF
ON
22

2.0 General Layout

2.1 Layout
1. Air Pressure Switch
2. Expansion Vessel & Pre-Heat Store
3. Burner Manifold
4. Automatic Air Vent
5. DHW Plate Heat Exchanger
6. Circulation Pump
7. Drain Off Point
8. Pressure Relief Valve
9. Position for Optional Integral Timer
10. Central Heating System Pressure Gauge
11. PCB
12. Control Box
13. 3-Way Valve Assembly
14. Spark Generator
15. Flame Sensing Electrode
16. Spark Electrode
17. Burner
18. Primary Heat Exchanger
19. Fan Assembly
20. On/Off/Reset Selector Switch
21. Central Heating Temperature Control
22. Domestic Hot Water Pre-Heat 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.
2
bar
10
9