Icos System Information
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Icos System Boiler Two models HE15 & HE24, these sizes relate to the maximum output from the boiler to the system in Kw. Icos system boilers contains components for use on a fully pumped sealed system this includes integral pump, expansion vessel, pressure gauge and safety devises. As it is a sealed system a filling loop is fitted to the system, maintaining pressure is important. Sedbuk Older Icos system model m30-80 ceased production 2003 can be distinguished by only having a user control without the gray panel across front. Boilers can be fitted within cupboards with no ventilation, but minimum clearances must be maintained for service. See page 9 Inst & Serv To confirm size or boiler or correct PCB links for size of boiler, turn off power by on / off switch. When boiler comes back on it will briefly display a number 1 = HE15, 3 = HE24
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On demand for heat from the external controls ( programmer, room stat or cylinder stat) the boiler will fire and pump run, to supply heated system water at a temperature up to 82C |
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Flueing can be Standard horizontal up to 6m, deductions must be made to maximum flue length for each bend (other than initial bend off boiler) 90 bend deduct 1m, 45 bend deduct 0.6m. External plume management can also be fitted. see page 48 flue guide. Vertical flues can be run to a maximum of 8m. Deductions as above. Twin pipe flues are available in 60mm & 80mm diameters which allow for very long flue runs up to a maximum of 46m. See flue guide for full details |
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