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Topping up Solar Thermal

  • 23-01-2019 2:22pm
    #1
    Registered Users Posts: 2,947 ✭✭✭ randombar


    Hi All,

    I'd like to be able to top up my solar thermal panels myself without the need to get a plumber in. From what I can tell it's getting a few connections, a hand pump of some kind and a few litres of glycol. Any advice?

    Would also love to get some data back off them, it's a kingspan controller with very very little data coming back.

    Thanks,
    Gary


Comments

  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 58,843 CMod ✭✭✭✭ unkel


    How old is your system? What controller do you have? If it's a Kingspan SC400 like myself, you could swap it out for a SC500 which has micro SD card data logging

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Registered Users Posts: 2,947 ✭✭✭ randombar


    unkel wrote: »
    How old is your system? What controller do you have? If it's a Kingspan SC400 like myself, you could swap it out for a SC500 which has micro SD card data logging

    About 8 years old. It's the SC400 all right. SC500 is about £250. Lively enough. Very poor usability from them considering what else is on the market i.e. the inverters etc. have great interfaces and data.


  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 58,843 CMod ✭✭✭✭ unkel


    My thoughts exactly. For €50 I would have swapped (provided I could DIY). But not for that kinda money :D

    I presume your coolant has already been replaced? Once?

    My own system is less than 2.5 years old, so no need for coolant refresh just yet (Thermomax keeps the coolant nice and cool anyway compared to standard thermal systems)

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Closed Accounts Posts: 3,364 ✭✭✭ rolion


    Is very important when you do the job to make sure there are no air bubbles left in the system.
    Same for the pressure.And the flow.

    Recirculating liquid agent is been changed based on the colour and/or chemical qualities of the agent,irespective of the brand.
    Also,a pro service will check the system,flow,vessel and valves.

    For the sake of the few quids,i will seek pro service.Not worth it.


  • Registered Users Posts: 2,947 ✭✭✭ randombar


    rolion wrote: »
    Is very important when you do the job to make sure there are no air bubbles left in the system.
    Same for the pressure.And the flow.

    Recirculating liquid agent is been changed based on the colour and/or chemical qualities of the agent,irespective of the brand.
    Also,a pro service will check the system,flow,vessel and valves.

    For the sake of the few quids,i will seek pro service.Not worth it.

    Ya it was airlocked before, messed up the pump. Disaster.

    Might get the PV guy to take a look next time he's out all right.

    He might show me how to do it if I have the right gear.

    I'd say I've a small leak somewhere or something, the pressure goes down gradually over the year, need it topped up every two years or so.


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