Hello!

Firstly, sorry for the English, I have only recently moved to Sweden from Australia and everything is new to me - including winter.

I have tried to read the manuals that came with the house, but I just do not understand how this works, so after some online searching I have come across this website and maybe one of you can help me.

So I have this heating system from LK Systems, but most of the house is hot and the living room and kitchen are cold. Upstairs is hot, no problem.
LK Systems värmefördelare med termometrar och vred. Rör markerade för olika rum, inklusive kök, vardagsrum, bad och entré.
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Downstairs, bathroom and washroom (washing machine) is very warm and according to the thermostat but kitchen and living room is cold. I have checked the system and the 2 top left flow screws are leaking water. 3 on the top right seems fine, although quite brown.
Manifold system with labeled flow meters and a pressure gauge for a heating system, showing various zones such as kitchen, entrance, and bathroom.
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The top 3 are slightly higher in height, so I assume these are open and the flow is moving to those rooms.

But the 2 on the top right, kitchen and living room were lower. I screwed them up slightly and immediately water started to leak, not a lot but some.
LK Systems värmesystem med märkta flödesmätare och termostater, läckande vatten och kalkavlagringar synliga vid anslutningarna.
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Not sure if I need to call a plumber here to fix the leaking, but hope someone can guide what to do here and I would appreciate the learning opportunity!

I have asked the housing company for support, but they do not know, said to call LK. I called LK and they said to call a local company. Feel like I am getting a "not my problem" ask someone else kind of thing. Previous owner of the house was a nice old lady, but she does not know anything about it either..

So, how does the pump work? Pumphuvud från Grundfos anslutet till ett LK-fördelarsystem, avbildat med flera röranslutningar och termometrar.
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And what do these do?
LK Systems värmesystem med fem ventiler och två temperaturmätare, anslutet till flera grå rör.
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The left one was a bit stuck due to the water leaking on top of it, but after a good clean, it seems OK again.

Thank you for your help!

Cheers
 
mina ventiler kärvar i bland så jag får ta av spolen och motionera ventilen.
 
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