Technical data

2.0 General Layout – page 5
2.1 Layout
1. Backplate
2. Airbox
3. Fan Assembly
4. Primary Heat Exchanger
5. Combustion Chamber
6. Burner Assembly & Electrodes
7. Gas Valve Assembly
8. Automatic Air Vent
9. Flow Switch Heating Circuit
10. Flow Switch DHW Circuit
11. Circulation Pump
12. Facia Box
13. Safety Thermostat
14. CH Thermostat Sensor
15. Three Way Valve
16. DHW Plate Heat Exchanger
17. ON-Off Selector Switch
18. DHW Temperature Adjustment
19. Heating Temperature Adjustment
20. Green Light - Power On
21. Orange Light - Burner On
22. Red Light - Flame Failure
23. Flame Failure Reset Switch
24. Water Pressure Gauge
25. Air Pressure Switch
26. Optional Integral Timers
27. Expansion Vessel
2.2 Nomenclature used in these instructions
DHW - Domestic Hot Water
CH - Central Heating
CVI Board - Ignition Board
ECS Board - Control Board