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by martynl
Fri Aug 21, 2009 5:07 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators hot only when hot water turned on
Replies: 5
Views: 7796

Thanks for all your help so far. Had some time free to try a little diagnostics. As before removing the programmer and shorting the link to force CH on did not cure. Removing the RF Thermostat receiver and shorting lin to force CH Call did not cure fault. Checked out 3 port valve in loft. Spindle ap...
by martynl
Wed Aug 12, 2009 8:00 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators hot only when hot water turned on
Replies: 5
Views: 7796

Thank you for your reply. This was a new installation (including all wiring) 2 years ago. So worked perfectly before. Like you I thought the programmer was ay fault, hence new one fitted of same model. Removing the programmer and shorting the terminals (effectively romoving programmer from the syste...
by martynl
Tue Aug 11, 2009 10:46 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators hot only when hot water turned on
Replies: 5
Views: 7796

Radiators hot only when hot water turned on

My central heating / hot water boiler will only heat the radiators if the hot water is turned on. Turning on the central heating alone gives no response from the boiler. Turning on the hot water alone heats both hot water and radiators. Turning on both heats both also. Boiler is 2 years old Ideal Ic...
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