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E7 Meter and Consumer Unit


Caddy

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Hello

 

I have a question about meters and CU for Economy 7 tarifs.

 

My E7 meter has a 3 tail output into a twin 100a switch unit. This then feeds 2 tails each to the main CU and what I pressume is an E7 only CU with only MCB's for an immersion element and a storage radiator.

 

Does this mean when the E7 period starts only the secondary CU is fed at E7 rates and the main CU is still at "day" rate? Or does the total output from the meter change and both CU are running on E7 rate?  Hope that makes sense.

 

Thanks

 

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No, the whole house gets metered at the cheap rate during E7 times.  The switched output to the off peak CU is just a convenient way to turn on the storage heaters at night when the cheap rate is on without you having to have your own timer.

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