Ariston EGIS PREMIUM S 25, Installation And Servicing Instructions

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30
product description
Overall view Overall Dimensions
A. Central Heating Flow
B. Domestic Hot Water Outlet
C. Gas Inlet
D. Domestic Cold Water Inlet
E. Central Heating Return
150
319
180
25
745
28
745
200
120 120
200
65
L
65 67 67
450
05
3
0 0
3
50 50
O K
E S C
Minimum clearances
In order to allow easy access to the boiler for maintenance operations,
The boiler must be installed in accordance with the clearances stated
below.
1
2
3
4
5
6
7
9
10
12
14
15
16
17
18
19
20
21
23
24
22
8
13
Legend
1. Flue connector
2. Air relief valve
3. Main heat exchanger
4. Detection Electrode
5. C.H. Return temperature probe
6. C.H. Flow temperature probe
7. Silencer
8. Secondary heat exchanger
9. Gas valve
10 Condensate trap
12. C.H. pressure relief valve
13. Filling valve
14. C.H. circuit fi lter
15. Circulation Pump with air release valve
16. D.H.W. Flow switch
17. Diverter valve
18. Switch On-O
ff
19. Modulating Fan
20. Ignition electrodes
21. Ignitor
22. Thermal fuse
23. Thermal fuse
24. Combustion Analysis Test Point