Main Components; Use Of The Control Panel - Baxi PRIME Series Installation Manual

4.3

Main components

1.
Structure
2.
Connections for wall mounting bracket
3. Fixing plate for transporting the boiler (to protect the
exchanger)
4. Expansion vessel filling/air control valve
5. Expansion vessel
6. Burner flange
7. Ignition/sensor electrode
8. Expansion vessel-hydraulic circuit connecting pipe
9. Air-gas assembly (control board, fan, Venturi)
10. Heating system and pump venting valve
11. Gas valve
12. Pump
13. 3-way valve
14. Pressure gauge (fitted on control board)
15. DHW priority sensor PRIME 26-30
16. Boiler electrical connection board
17. Domestic plate exchanger fixing screws PRIME 26-30; Plate
bypass fixing screws PRIME 1.24
18. Domestic plate exchanger PRIME 26-30; Plate bypass
PRIME 1.24
19. Hydraulic safety valve
20. Siphon
21. Hydraulic pressure switch
22. Silencer
23. Siphon quick coupling (with gaskets)
24. Flow sensor (°C) - Heating circuit
25. Safety thermostat (limit)
26. Return sensor (°C) - Heating circuit (behind the silencer)
27. Water-fumes exchanger
28. Fume temperature sensor
4.4

Use of the control panel

BUTTON/HANDLE KEY:
Manual adjustment of heating temperature
Manual adjustment of DHW temperature
Enabling the flue cleaning function
RESET key
RESET
1 second = Manual fault reset
5 seconds = Venting function manual activation (chapter 8.4)
LEGEND OF SYMBOLS ON THE DISPLAY
Heating function enabled
DHW function enabled
Outside temperature
Need for maintenance
Fault
*
the symbol flashes when there is heat demand.
*
*
1 2
28
27
26
25
24
23
22
21
20 19 18
OFF
RESET Reset the fault manually
Burner lighting
13
3 4
13
17 16 15
MAX OFF
RESET
BO-000007
7696306 (01-12/17)
5
6
7
8
9
10
11
12
14
BO-0000005
MAX