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Issue with Samsung Heat Pump Water Outlet Temperature

(Topic created on: 22-12-2022 09:43 AM)
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simon_i
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Dear Samsung Community

I'd like to kindly ask for help with an issue with a Samsung Heat Pump.
Model:  AE090RXEDEG/EU
 
In general - The issue is that the Water Outlet does not reach the set target temperatures - but only for Floor Heating. It works correctly for DHW.
It seems like the Outlet Water - for some unknown reason - can't overreach 35°C. In maximum, the unit maintains temperature between 34.0°C - 34.9°C
 
I use the "Auto" regime, which is regulated by Water Law. 
Outlet water temperature is NOT regulated by indoor temperature.
There are my Water Law settings:
 
201* | Outdoor Temp for Water Law (Heat)
Low: 15°C     High: -15 °C
 
202* | Water Out Temp for WL1 Heat (WL1-Floor)
Low: Target Value: 35°C     High: Target Value: 50°C
 

Today - It was 0.4°C outdoors, but the Water Output Temperature was regulated to 34°C. Based on the Water Law configuration, it should start at 35°C.

I also tried to manually enforce the temperature by switching to Heat (manual) mode.
I've set 40°C with a purpose to test.
Again - the Water Outlet reached 34.5°C at maximum.
 

I assume there is some setting that prevents the unit from allowing more than 35°C for Floor heating.

Once again - DHW works well. When the unit operates in the "Water Tank" regime, heating the domestic water, the Water Outlet is usually around 50°C. Therefore I'm sure there's no physical or performance issue of the system.
 
I also need to mention that the unit was NOT running based on the "Demand" regime.
 
Any advice will be much appreciated.
 
Many thanks in advance
Kind regards
 
Simon 
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3 REPLIES 3
Dennis-nl
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I believe there’s a setting to set your max temp for heating. “103* water out. For heat”

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Sim_Be
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Hi Simon,

I'm experiencing similar issues with my newly installed heat pump.

Did you get this issue resolved at all?

Thanks!

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simon_i
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@Sim_Be 

Yes and no :smiling-face:

The heat pump simply couldn't reach higher temperatures, as it reached the maximum available power.

I have 17 loops and 300L hot water tank, so it's simply on the edge of its capacity...

In my case it's rather a design problem, then a configuration problem.

Luckily - it seems like the house has accumulated enough heat now, so the room temperature is 22.5 to 24 C, which is comfortable...

Good luck with troubleshooting!

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