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Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump

 
Air Source Heat Pumps (ASHPs)
Last Post by CalumM 4 hours ago
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 CalumM
(@calumm)
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Topic starter 06/08/2026 12:55 pm   [#3129]

I have a 16 year old Mitsubishi Ecodan (5kw) that has a large Flow Temperature Controller Unit ( PAC-IF021B-E) and a separate remote control unit for that (Mitsubishi branded) and a separate again timer (7 day 2 channel heating and hot water programmer - Timeguard brand).  My heatpump has developed a leak in the refrigerant, and the quote to test fot the leak is so high, that I may as well buy a new unit.  I have found an R32 unit at a good price, without the FTC unit.  I don't want smart controls or anything like that - I'd actively NOT want them.  Can I replace the heatpump and get it wired into my existing set up - or do I need to get a much bigger job done?  I've had an awful lot of house expenses this year, and desperately want to avoid any unneccessary costly system changes.



   
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