Hello all
Looking for some electrical advice if possible. We had a boiler and complete new central heating system installed in our house 3 years ago. This has been working fine until recently when we had a new consumer unit with rcd protection installed to upgrade.
From the day this was installed we started getting multiple intermittent rcd faults affecting the 4 circuits the rcd covered. By process of elimination we narrowed the fault down to the central heating system, by this time we were unable to heat water without rcd tripping.
We called an electrician to investigate and he tested the central heating system for faults but said he couldn't find any. However what he did find was that he said the boiler had been unsafely wired. He said there are 2 main power supplies into the boiler on 2 different circuits which he says is very dangerous. Essentially the boiler was relocated to the garage and had been wired to a permanent live supply from the garage sockets on one mcb circuit, and then another source of power from a different circuit leading to the airing cupboard upstairs where the timer and water cylinder etc is. He told me having 2 power supplies into the boiler on 2 different circuits was a safety hazard and couldn't be left like that. He disconnected the frost protection which was wired into the permanent live garage socket circuit and left the boiler with no permanent live supply and just running from the timer etc in the airing cupboard on that one separate circuit. He said to contact the installer and ask them to run a permanent live wire from boiler to airing cupboard. The installer is completely ignoring all of my communication so I am planning to contact oftec for advice.
Just wondering really, is this correct that you cannot have 2 power supplies to the boiler on 2 different circuits?
Since the frost protection and boiler was disconnected from the permanent live garage circuit we have not had any further issues with the rcd tripping. Would this wiring be likely to cause rcd faults?
Any advice would be greatfully received as nobody at the moment seems very willing to help and I'm concerned about the safety of a central heating system without a permanent live connection.
Thankyou
Looking for some electrical advice if possible. We had a boiler and complete new central heating system installed in our house 3 years ago. This has been working fine until recently when we had a new consumer unit with rcd protection installed to upgrade.
From the day this was installed we started getting multiple intermittent rcd faults affecting the 4 circuits the rcd covered. By process of elimination we narrowed the fault down to the central heating system, by this time we were unable to heat water without rcd tripping.
We called an electrician to investigate and he tested the central heating system for faults but said he couldn't find any. However what he did find was that he said the boiler had been unsafely wired. He said there are 2 main power supplies into the boiler on 2 different circuits which he says is very dangerous. Essentially the boiler was relocated to the garage and had been wired to a permanent live supply from the garage sockets on one mcb circuit, and then another source of power from a different circuit leading to the airing cupboard upstairs where the timer and water cylinder etc is. He told me having 2 power supplies into the boiler on 2 different circuits was a safety hazard and couldn't be left like that. He disconnected the frost protection which was wired into the permanent live garage socket circuit and left the boiler with no permanent live supply and just running from the timer etc in the airing cupboard on that one separate circuit. He said to contact the installer and ask them to run a permanent live wire from boiler to airing cupboard. The installer is completely ignoring all of my communication so I am planning to contact oftec for advice.
Just wondering really, is this correct that you cannot have 2 power supplies to the boiler on 2 different circuits?
Since the frost protection and boiler was disconnected from the permanent live garage circuit we have not had any further issues with the rcd tripping. Would this wiring be likely to cause rcd faults?
Any advice would be greatfully received as nobody at the moment seems very willing to help and I'm concerned about the safety of a central heating system without a permanent live connection.
Thankyou