Help!
We have had solar panels since 2011, but have been considering an air source heat pump for a while to replace an elderly gas boiler.
The intention was to add a battery to the panels and store the power generated (and also take advantage of off-peak tariffs) using it to power the heat pump at peak charge times.
Earlier this month we took the plunge, but the whole plan has fallen apart because, having put in all the equipment, a Mitsubishi air heat pump, Sunsynk 5kw battery and inverter and taken our money, the installer has walked away. We have phoned for advice and support and got nowhere and are starting to wish we had never done it.
The only advice they have given us is download the Mitsubishi and Sunsynk apps and it is all intuitive. Well, I suppose it might be to the young and computer literate or to an electrician, but to those of us who retired before "apps" and smartphones even existed, it really isn't. In the meantime we are stuck with a heat pump which is chewing its way through about 20kwh of electricity a day, some hard-working solar panels and a very idle battery that's doing absolutely nothing. Nothing talks to anything else and neither of us is versed in electrical systems (I gave up physics at school as soon as I decently could, about 60 years ago!) so we have no idea why or what to do to rectify things.
Is there anybody out there who is able to explain to us in very simple terms how we can
a) set up battery charge and discharge times and
b) how we get the battery and inverter to talk to our solar panels?
Any assistance gratefully received!
I have the same set up but 8kw + 20kw batteries Mitsubishi 11.2kw. in a 200 sq m all electric house, my entire energy bill last year was £1,400.
So it works for me here's how:
Set up an Octopus account using this link:-
https://click.octopus.energy/ls/click?upn=gNLZ5SZnEeorylHeEBCuPIL9dwpaplFa63JmtwMgUXY4-2BEwURrFiB-2Fqp9LZNAtdyumd4CFjqrV79aqtiyit83IO-2F6R-2BbxuHj5QcfPFQsnoSYV6i8UO1PiGA7IUFDNA3GiANfm7uzHKG9yFbBJLAH0D4N1BqKLdlSOeKQWyLhZw0fUN2WL2XLpDL1Vn0lWzBGks8j_cKGjUretZtWMqGZyWp7bew4VrCFnQ5rBmCXHoiw8nUQcewG7ZBATxv-2FZk4j5w32a8dax-2BVS-2F-2BLo7-2BUkYJrhkrTCGw03FVNUlOOxcqDd0yafxQCqwRhUert07X-2BGPL9DVgaNkdlLuAnz1xxSJGmplrEGO4vTrhpvQqSnuSyZAijmIKr7Tv3X1tTRP70fBasfZyJlVdr9EoNIFJDUIj8eoLMVuEYzQts5Fpc5MJEmbRenqn-2F1KrSlW-2F-2BJMkNhXbcqqcXVKxJgf9joQ-2ByZUQgc7LoH4F6pqCU4Sw1S0tODlmJitNkQ4zRMTtqhLZHo78etg
We both get £50 off our bills if you do.
Use Agile or cosy tariff. My storage is bigger so I use Agile and achieved a cost per kw of 16p last year by programming my charging and discharge periods.
Here's how:- load Sunsynk app. To phone. Home screen - open equipment- three dots RHS click- pop up from bottom click settings- look for Grid and programme charge discharge. Switch on timer boxes to make sure - click save. That's done.
Download Melcloud set house temperature using slider
Set water temperature. Top right click actions- drop down - click Unit Settings - set temp with slider
Those are the basics use once you have done that. Watch you tube Ecodan and Heat Geeks to tweak your system