Hello, beginner here, who just installed Samsung 5kw mono. I am using it for DHW so far. Does anyone have some useful beginner settings please, where should i start? The tank is 150L. When it is heated to 40C it covers our evening showering without problem. But after that it needs to be heated …

as per my PM but for the wider audience - I think FSV 5051 tells the system you will be sending it a value that (as I interpret that bit of the documentation) will attempt to control the compressor freq. with the means of sending that input value being either via modbus register 88 (I think… I onl…

According to manual just enabling FSV 5051 and bringing 0v to green FR control connector should limit compressor frequency to 50%. I tried it but heating DHW cycle looked the same as before. Yes, i would consider switching samsung controller to water temperature mode and driving it with some extern…

Hey Glyn, how I can connect Samsung WIFI gateway to home assistant? I’ve tried to search for new devices but it didn’t find it ? Thx

You can use the SmartThings integration to connect the Samsung WiFi to Home Assistant. However, the integration is very poor, only DHW on/off controls are available. I don’t really use it. [Screenshot 2024-01-24 23.07.25] The Samsung SmartThings app is very basic but useful to adjust set point an…

[image] lukso: There were two options I hoped that could slow down DHW heating for us with small coil exchangers: a)to bring down flow rate or b)to activate fsv 5051 - Pump frequency control. Enabling ‘quite’ mode will slow down DHW as this limits the max compressor speed.

[image] glyn.hudson: msung SmartThings app is ve Thanks Glyn. But I have some problem with this f*** pump. This happened now absolutely no idea what is going on here. The pump was off for 2 hours or so so finally temperature reached the lower limit and the pump started. Well great… But what …

Guys, @Ian_Calderbank I’ve just noticed they’ve installed Grundfos 25-40 !!! Not 25-60 as I’ve thought… I think that’s why I have such poor flow rate. What do you think Ian? I don’t know why I thought it’s 25-60. Now I’ve started it and I’ve got Error 911 for some reason. Do you have an idea what …

Sorry guys, I know I’m a bit boring but I’m really out of ideas. It seems that PWM regulation does not work a bit. Now the HP is able to turn off the pump off and on but seems that speed control does not work at all. If you look at these two pictures you can see that HP requested to lower the speed…

[image] Michal_S: I’ve just noticed they’ve installed Grundfos 25-40 !!! Not 25-60 as I’ve thought… I think that’s why I have such poor flow rate. What do you think Ian? I don’t know why I thought it’s 25-60. thats actually good news. that means the system is running only about 3.2m head at t…

I completely ignore the efficiency number on the system status so I don’t know what mine usually says or the meaning of that number. you were asking about home assistant monitoring : I have installed the modbus module in the outdoor unit, I connect a wifi ESP to the modbus cable , and then pull dat…

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