3 x 1.5kw heaters on one circuit

[Mabro22]

The invoice for the design consultation will follow shortly.

Haha thanks

 

[littlespark]

Has the heating requirements been calculated properly?

you may find that 3 x 1kW heaters would be enough.....



or..... you need something like 3 x 2.5kW!

 

[Mabro22]

Has the heating requirements been calculated properly?

you may find that 3 x 1kW heaters would be enough.....



or..... you need something like 3 x 2.5kW!

not exactly calculated, but as I’m installing a 4mm ring circuit, I’ll probs upgrade to 2kw heaters

 

[Pete999]

not exactly calculated, but as I’m installing a 4mm ring circuit, I’ll probs upgrade to 2kw heaters

Why a 4mm RFC? it is a recommendation that loads of > 2KW have their own dedicated circuit, IMO a 4mm RFC is the wrong solution.

 

[DPG]

Why a 4mm RFC? it is a recommendation that loads of > 2KW have their own dedicated circuit, IMO a 4mm RFC is the wrong solution.

But that recommendation is mainly aimed at people who may put large loads on a ring which is used for other things as well. This ring is purely for the 3 heaters.

 

[westward10]

Plus each load is 1.5kw.

 

[Pete999]

But that recommendation is mainly aimed at people who may put large loads on a ring which is used for other things as well. This ring is purely for the 3 hears.

you maybe correct, still don't like it

 

[Wilko]

For known long term loads I like to use a lower MCB loading limit of 60%, which would take that 20A up to 32A MCB and then cabling as required by the installation method etc.