satisfactory unsatisfactory

[Smarky]

Hi Guys.

If carrying out an EICR you are unable to find a UFH circuits spur, is the EICR still passable under some type of limitation? Or is there a code involved.

Thank you!

Smarky

 

[Rockingit]

You'd just mark it as FI and note why. However you'd also use your engineering judgment based on the condition of everything else as to whether you think it's likely to be an issue or not and issue satisfactory or unsatisfactory on that basis

 

[Smarky]

You'd just mark it as FI and note why. However you'd also use your engineering judgment based on the condition of everything else as to whether you think it's likely to be an issue or not and issue satisfactory or unsatisfactory on that basis

Thanks for your quick response, Its greatly appreciated

 

[davesparks]

What exactly do you mean by can't find a spur?

Do you mean it's fed from a ring circuit but you can't find a switched fused connection unit or other means of fusing down and isolation for it?

If the UFH is connected directly to a ring circuit without a fuse of some kind then that's a C2 observation.

If its on a suitably sized dedicated circuit without an means of isolation other than the MCB then it is unlikely to warrant any code.

 

[Smarky]

What exactly do you mean by can't find a spur?

Do you mean it's fed from a ring circuit but you can't find a switched fused connection unit or other means of fusing down and isolation for it?

If the UFH is connected directly to a ring circuit without a fuse of some kind then that's a C2 observation.

If its on a suitably sized dedicated circuit without an means of isolation other than the MCB then it is unlikely to warrant any code.

Hi Dave,

Thanks for your reply its on a dedicated circuit appropriately rated without a fused spur or at leaset unable to find one!

 

[Rockingit]

Hi Dave,

Thanks for your reply its on a dedicated circuit appropriately rated without a fused spur or at leaset unable to find one!

So basically you've just got a mystery cct where you know the start and what it's labelled for but can't locate the other end? Classic.

 

[davesparks]

Hi Dave,

Thanks for your reply its on a dedicated circuit appropriately rated without a fused spur or at leaset unable to find one!

Why would a dedicated circuit need a fused connection unit?

 

[Rockingit]

Why would a dedicated circuit need a fused connection unit?

I saw that and just thought it was poorly worded?

 

[Smarky]

Why would a dedicated circuit need a fused connection unit?

Normally I would expect to see some sort of fused spur or at least if myself or the majority of people were to install such a circuit, then a fused spur would be put in - no!! or at least a point of connection to the UFH! Which i am unable to find.

 

[Smarky]

I saw that and just thought it was poorly worded?

Dedicated as in its not coming off a ring circuit for example but direct from and noted at the DB!

 

[HappyHippyDad]

Why would a dedicated circuit need a fused connection unit?

Wouldn't you want a local point of isolation, rather than using the MCB/RCBO?

 

[loz2754]

Wouldn't you want a local point of isolation, rather than using the MCB/RCBO?

Yes I would agree. But a 20 amp DP switch may be more appropriate for UFH, depending on the wattage of the heating mats.

 

[davesparks]

Wouldn't you want a local point of isolation, rather than using the MCB/RCBO?

Yes, a point of isolation would be very sensible, my question is more about why they would want a local fuse rather than just an isolator.

 

[Smarky]

Yes, a point of isolation would be very sensible, my question is more about why they would want a local fuse rather than just an isolator.

To be honest I just want an end to get a reading off! I said fused spur as that what I would normally see but some type of isolator or end of circuit to be able to get an r1 + r2 which i am currently unable to find.

Thanks

Smarky

 

[davesparks]

Normally I would expect to see some sort of fused spur or at least if myself or the majority of people were to install such a circuit, then a fused spur would be put in - no!! or at least a point of connection to the UFH! Which i am unable to find.

I wouldnt expect to see a fused connection unit on a dedicated circuit, I'd expect to see an isolator. The MCB should be sized appropriately so a local fuse is unnecessary.

But you're not carrying out an EICR based on your opinion or exoectations, you are carrying it out based on the regulations.
As far as I know, and general consensus seems to be, that an MCB satisfies the minimum requirement as a means of isolating an appliance on a dedicated circuit.

 

[davesparks]

To be honest I just want an end to get a reading off! I said fused spur as that what I would normally see but some type of isolator or end of circuit to be able to get an r1 + r2 which i am currently unable to find.

Thanks

Smarky

Is there not a thermostat controlling the UFH?

 

[Risteard]

You'd just mark it as FI and note why. However you'd also use your engineering judgment based on the condition of everything else as to whether you think it's likely to be an issue or not and issue satisfactory or unsatisfactory on that basis

"FI" automatically makes the Report outcome "Unsatisfactory".

 

[Rockingit]

"FI" automatically makes the Report outcome "Unsatisfactory".

Since when?! On that logic, any LIM is also an unsatisfactory

 

[loz2754]

Since when?! On that logic, any LIM is also an unsatisfactory

BS7671 page 521 item 9

 

[nicebutdim]

Since when?! On that logic, any LIM is also an unsatisfactory

Surely limitation is something you haven't checked, but have no reason to suspect any issues, whereas FI indicates a potential issue which requires further investigation?

As such I fail to follow your logic.