Maximum demand and diversity electric flat

[Toneyz]

If everyones E7 heater supplies go back to one consumer unit and the bill is split between all flat owners I would make full use of that.

 

[TJ Anderson]

The main issue is the shower and instantaneous water heater for which you cannot apply diversity to
.
Use a priority unit with the shower getting prority, then you will only need to allow for 9.5kW demand for both of these. You can likely make the rest work out then.

You can buy them here or make up your own with an enclosure, CT relay and contactors.

Priority & Non-Priority Shower Units | Electrical News | Meteor Electrical Ltd. - http://www.meteorelectrical.com/news/consumer-units/priority--nonpriority-shower-units/801526994

 

[dc-electrix]

Thank you all, with diversity applied per OSG i was still getting 150a as all the main loads are heating elements.

I wasn’t aware of the priority units, so will take a look here. New SWA submain going in now.

 

[dc-electrix]

If everyones E7 heater supplies go back to one consumer unit and the bill is split between all flat owners I would make full use of that.

Correct flat was paying for e7 just had con unit at basement level. All e7 con units together, only 2 heaters per flat