Pulsacoil A Class flashing red light etc

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Pulsacoil A Class flashing red light etc

Post  flat3 on Sat Apr 21, 2012 3:13 pm

Just moved into a place that has a Pulsacoil A Class water heater.

Red light is flashing. I've seen the info about older models doing this even though no fault exists, but how do you know if yours is an older model. Model is APA4180 and serial no. 1678100202. I think the property is about 5 or 6 years old.

No hot water in mornings, so presumably there is a fault.

Boost works.

Previous owner changed to a key-operated leccy meter. Does this mean there is no economy 7 tariff at the property? Could this cause the flashing red light i.e. because the overnight element was connected to the economy 7 supply which no longer exists?

flat3

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Re: Pulsacoil A Class flashing red light etc

Post  mike on Sat Apr 21, 2012 5:23 pm

You need to be on E 7.
Looks like you have a fault.
Read the book or down load one from Gledhill for free.
Then go through the fault finding / codes etc.
If not you will need some one to visit.
List of advertisers on home page.
Or Google one for your area.
A class are not really that easy for the DIY person.
Mike
MGC/H2O
Norfolk

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Thanks Mike ...

Post  flat3 on Sun Apr 22, 2012 2:05 am

Previous owner allowed the leccy to run down to zero, so there was no supply when I moved in.

Could that have buggered up the Pulsacoil?

Do I really need E7? I've read on-line you only need it if at least 30% of your use is at night.

The flat is all electric and has wall mounted panel heaters. Not sure if they are storage heaters. The only storage heaters I've seen before were the ones my mum had and they were quite big things. My heaters are quite small and thin. I'll read the info when I get time.

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Re: Pulsacoil A Class flashing red light etc

Post  mike on Sun Apr 22, 2012 4:20 am

Not about usage at all.
Heat the unit up at night E7 = half price electric.
Unit is fully charged with heat, job done.
Use boost when and if required at full price.
Your unit does not heat up on demand as it is a thermal store.
As for your heaters, look at model number and any controls, google up and read.
Sometime E 10 is available. And subject to requirements can be useful too.
Mike
MGC/H2O
Norfolk.
PS;
All the above has been answered many times in the posts on here.

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E7

Post  flat3 on Mon Apr 23, 2012 6:29 am

I spoke to Gledhill Support and they say the bottom heater will be wired to the 'cheap rate supply'. Surely with E7, you don't have two wiring systems coming into the property, it's just a meter which charges less overnight and more during the day. That's why if you have E7, the elec co's advise you to have dishwasher, washing machine etc. on a timer coming on at night to take advantage of the cheap electricity.

Is it that when a Pulsacoil is installed, they install a timer which is wired to the bottom heater and which is set to switch on for the 7 hour cheap period?

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Re: Pulsacoil A Class flashing red light etc

Post  mike on Mon Apr 23, 2012 1:51 pm

Yes some have one meter and the cheap rate happens at night for 7 hours.
Some have an OFF peak consumer unit ( fuse board) for bottom heater, storage heaters etc etc.
And an on peak fuse board. for lights, cooker, sockets etc etc.
All depends what you have. And how it has been fitted.
Thought about asking your neighbours as to what they have / do?
If you read the book / manual it will tell you the options.
Can not say any more really.
Mike
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Norfolk

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Thanks again Mike ...

Post  flat3 on Mon Apr 23, 2012 3:12 pm

I think I understand now. It's all a bit mysterious to me as I've only had gas ch before.

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