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https://uk.rs-online.com/web/content/discovery/ideas-and-advice/fused-spurs-guide# ?

Ok thanks. FWIW I think binky's point is right, the spur current (and fuse) can be up to 20A particularly if the appliance isn't expected to use this much current for long periods.

Thanks - will try to find this :)

The MI shows a 20A fuse in the circuit diagram. The model specs also list currents with Minimum Circuit Ampere at 15.8A. But starting and running current of ~4.5-6A

Apologies don’t know what a MIs are?

If Daikin’s design document says it uses <10A peak, and 5A median. Then a 13A spur off the ring is within the regs, right?

And to add to this, this is my 9kW AC yesterday - it spent the whole day significantly below 1kW

And more specifically is there a rule that says this must not be done, or is it left up to electrician engineering judgement?

Thanks, given the Daikin design manual says peak current for this config is <10Amp, would it be acceptable to put it behind a 13A fused spur, and if there are issues down the line then seek to create a dedicated 20A circuit?

Hi - My friend it looking at having an 2.2kW Electric (5.2kW heat) multisplit inverter-type AC installed. The unit spec has a max-current listed of 14.6A, and has 20A fuse (attached). The nominal running current for the unit is expected to be 5A, and the Daikin data sheet for his configuration...