12
GENERAL
icos system - Installation and Servicing
6
WATER TREATMENT
The icos system HE range has an ALUMINIUM alloy heat exchanger.
IMPORTANT. The application of any other treatment to this product may render the guarantee of Ideal Stelrad Group INVALID.
Ideal Stelrad Group recommend Water Treatment in accordance with the Benchmark Guidance Notes on Water Treatment in
Central Heating Systems.
Ideal Stelrad Group recommend the use of Fernox Copal or MB1 or GE Betz Sentinel X100 inhibitors and associated water
treatment products, which must be used in accordance with the manufacturers instructions.
For further information contact:
17. Automatic air vent.
18. Gas service cock.
19. Gas control valve.
20. Fan bracket.
21. Orifice plate.
23. Control thermistor.
24. Overheat thermostat.
25. Ignition electrode.
26. Flame detection electrode.
32. Condensate 'S' trap.
35. User control.
36. Primary controls (PCB).
39. Mains switch.
40. Spark generator.
1. Front casing panel.
2. Sealing panel.
3. Sump cover.
4. Bottom casing panel.
5. Flue sensing nipple.
6. Return pipe.
8. Flue manifold.
10. Interpanel.
11. Burner.
12. Combustion chamber insulation.
13. Heat exchanger
14. Injector & housing.
15. Venturi assembly.
16. Fan assembly.
7
BOILER ASSEMBLY - Exploded View Legend
44. Piping frame.
51. Mains connector.
53. Turret gasket kit.
57. CH return stub.
58. CH flow stub.
61. Pressure relief valve.
62. Expansion vessel.
63. Expansion vessel pipe assy.
64. Pressure gauge.
69. Pump.
70. Pump manifold.
75. Control box clamp.
94. Ignition lead.
103. Dry fire thermistor.
Fernox Manufacturing Co. Ltd,
Cookson Electronics,
Forsyth Road, Sheerwater,
Woking, Surrey.
GU21 5RZ.
Tel. +44 (0) 1799 521133 or
Sentinel Performance Solutions
The Heath Business & Technical Park
Runcorn
Cheshire WA7 4QX
Tel: 0800 389 4670
www.sentinel-solutions.net or
Salamander Engineering Ltd,
The Heath Business & Technical
Runcorn
Cheshire
WA7 4QX
Tel. +44 (0) 121 378 0952
Notes.
1. It is most important that the correct concentration of the water treatment products is maintained in accordance with the
manufacturers' instructions.
2. If the boiler is installed in an existing system any unsuitable additives MUST be removed by thorough cleansing.
BS7593:2006 details the steps necessary to clean a domestic heating system.
3. In hard water areas, treatment to prevent limescale may be necessary - however the use of artificially softened water is
NOT permitted.
4. Under no circumstances should the boiler be fired before the system has been thoroughly flushed.
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