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Author Topic: Sparks or Heating Engineers Question - Economy 7 Wiring?  (Read 4031 times)

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Marks DTM Calib

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #15 on: 13 January 2014, 13:04:07 »

In that case Im kind of thinking the whole idea off having a second E7 CU feeding each Heater via a relay is so the Heaters cant be accidentally switched on during the day time and gobble up the Lic Bill on Peak Rate?, correct?.

Yes and so that you only need a single contactor to turn the storage heaters on.
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zirk

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #16 on: 13 January 2014, 14:01:28 »

In that case Im kind of thinking the whole idea off having a second E7 CU feeding each Heater via a relay is so the Heaters cant be accidentally switched on during the day time and gobble up the Lic Bill on Peak Rate?, correct?.

Yes and so that you only need a single contactor to turn the storage heaters on.

Thanks all, Ive got some 13A Timers kicking around somewhere so I'll have a play.

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MR MISTER

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #17 on: 13 January 2014, 15:19:36 »

In that case Im kind of thinking the whole idea off having a second E7 CU feeding each Heater via a relay is so the Heaters cant be accidentally switched on during the day time and gobble up the Lic Bill on Peak Rate?, correct?.

Yes and so that you only need a single contactor to turn the storage heaters on.

Thanks all, Ive got some 13A Timers kicking around somewhere so I'll have a play.
I thought of doing this when I was on E7 but...my washing machine and drier both need a physical button press to start them off...and the noise would do my head in.
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zirk

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #18 on: 13 January 2014, 15:27:04 »

In that case Im kind of thinking the whole idea off having a second E7 CU feeding each Heater via a relay is so the Heaters cant be accidentally switched on during the day time and gobble up the Lic Bill on Peak Rate?, correct?.

Yes and so that you only need a single contactor to turn the storage heaters on.

Thanks all, Ive got some 13A Timers kicking around somewhere so I'll have a play.
I thought of doing this when I was on E7 but...my washing machine and drier both need a physical button press to start them off...and the noise would do my head in.
Hoping the noise will drown out the shootings and sirens.  ;D
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Taxi_Driver

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #19 on: 15 January 2014, 06:59:27 »

If your not using the storage heaters.....surely it must be cheaper to get the leccy company to rip the E7 out and fit a 'normal' meter.....you will be paying well over the 'normal' tariff during the day as it is...
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zirk

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #20 on: 17 January 2014, 15:33:57 »

If your not using the storage heaters.....surely it must be cheaper to get the leccy company to rip the E7 out and fit a 'normal' meter.....you will be paying well over the 'normal' tariff during the day as it is...
Last time I checked, couple of months ago, we were paying something like 14.5p during peak rates, which from memory was around 1.5p more over a standard tarriff, off peak on E7 is about 5p per unit, so a big difference, we are currently using a third off peak but intend to increase that.

Plus Ive also got a 10 Kva UPS and a massive external Battery pack I intend to start playing with off peak, despite the in-efficiency of the inverter, could still be some savings to had.  ;)
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MR MISTER

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #21 on: 17 January 2014, 16:11:58 »

If your not using the storage heaters.....surely it must be cheaper to get the leccy company to rip the E7 out and fit a 'normal' meter.....you will be paying well over the 'normal' tariff during the day as it is...
Last time I checked, couple of months ago, we were paying something like 14.5p during peak rates, which from memory was around 1.5p more over a standard tarriff, off peak on E7 is about 5p per unit, so a big difference, we are currently using a third off peak but intend to increase that.

Plus Ive also got a 10 Kva UPS and a massive external Battery pack I intend to start playing with off peak, despite the in-efficiency of the inverter, could still be some savings to had.  ;)
According to EON, I needed to use 37% of my electricity on E7 to make it worthwhile. I was using about 10% so switched to 24 hour normal tariff. But then again, it's my gas bill that is the big one (gas CH).
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zirk

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Re: Sparks or Heating Engineers Question - Economy 7 Wiring?
« Reply #22 on: 17 January 2014, 17:59:17 »

According to EON, I needed to use 37% of my electricity on E7 to make it worthwhile. I was using about 10% so switched to 24 hour normal tariff. But then again, it's my gas bill that is the big one (gas CH).
Fairly sure mine was about 27%, not keen on changing my tarriff tbh, as its only about £38 a month and has been for years.
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