Supplied By www.heating spares.co Tel. 0161 620 6677
2
Pump and expanssion vessel characteristics
Components location
8. Steel chassis
9. Flow control thermistor
10. Return control thermistor
11. Over heat security
12. Expansion vessel (not visible)
13. Gas valve
14. Electrical box
15. ON/OFF push button and power on
indicator light
16. Domestic hot water temperature
adjustment
17. Heating flow temperature adjustment
18. CH pressure gauge
19. Heating temperature indicator
20. Reset button and Red indicator
- Lock out / flame failure
21. Orange indicator - Burner ON
22. Three way valve
23. 3 way valve motor
24. Multigas burner comprising:
-25. 11 or 14 burner heads
-26. Manifold
-27. Ionization electrode
-28. Ignition electrode
29. Main heat exchanger
30. Water/water heat exchanger
31. DHW flow sensor
32. Combustion chamber made of
aluminium coated steel with 4
ceramic fibre panels to insure
heat insulation
33. Right hydraulic assy
34. Left hydraulic assy
35. Single speed pump
36. Automatic air separator and
automatic vent
37 Automatic by-pass
38. Flue hood with fan
39. Air Pressure switch
40. Flue sampling point
1. Pressure relief valve
2. Heating Flow isolating valve
3. DHW outlet
4. Gas service tap
5. Water service tap
7. CH Return isolating valve
1
2
3
4
5
7
Note : The system initial pressure should be over the following value :
System static height (in metre) + 0.7 = Initial pressure (in bar)
10
Head available / flow
System capacity chart
Fig. 2
PUMP HEAD AVAILABLE
Minimum flow rate (with all heating thermostatic valves closed)
mCE
Central heating initial pressure when cold (in bar)
C liters
