16 KW Samsung EHS TDM
No change, I feel as the machine has like the lowest setting it can go. Like the car idles but as the house is well insulated it can't go very low. When it first comes on for 2 hours. I can see it being around 23.5-24c but as the concrete starts warming up and the return is warmer and warmer it will rise to about 28c by the evening. To be honest, I guess I should not complain. It is great it uses about 15kw/day for heating the whole house. At this weather, I think it was 6c outside all day.
16kw Samsung TDM ASHP. 8.4kw PV, power optimizers 20×420watt panels 6kw SolarEdge inverter.
my ASHP starts cycling on and off under these circumstances. This is what happens when the outside temp goes fro 6 to 8 degrees. The flow gets too high and the ASHP shuts down for a while.
As you say 15kWh to heat the whole house for a day at 6C is very good. I would use about 25kWh at the same.
@kev-m Thanks, Kev! I feel better now. 😄 I'll try to raise the weather compensation to have a higher flow temp. Try the aproche off heat up when it is higher ambient temp outside and "freewheel" at night.
16kw Samsung TDM ASHP. 8.4kw PV, power optimizers 20×420watt panels 6kw SolarEdge inverter.
Posted by: @andrisNo change, I feel as the machine has like the lowest setting it can go. Like the car idles but as the house is well insulated it can't go very low. When it first comes on for 2 hours. I can see it being around 23.5-24c but as the concrete starts warming up and the return is warmer and warmer it will rise to about 28c by the evening. To be honest, I guess I should not complain. It is great it uses about 15kw/day for heating the whole house. At this weather, I think it was 6c outside all day.
Hi,
The objective of the control system is to maintain the indoor air temperature rather than just minimise the water flow temperature. Where is your controller located and is it set to water flow temperature control, room temperature control or weather compensation control?
Are the 3 A2A units operating and producing any heat output?
16kw Samsung TDM ASHP. 8.4kw PV, power optimizers 20×420watt panels 6kw SolarEdge inverter.
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