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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
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Reply
RE: Mitsubishi ASHP - Circulating pump noise?

@snuffy A further thing that can create noise is if the water flow rate is too high. How many water pumps are installed and what are their speed se...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

Try bleeding all the radiators, starting at the lower level and working your way upstairs. Don't forget to keep topping up the system as you progress.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

Do you have radiators or UFH?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope Do you have any thermostats or TRV's in your system? Are you using weather compensation control? Do you have a buffer tank, low loss...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea "ECO Mode" - an oxymoron

ECO Mode is only of use when using the pre-programmed Weather Compensation curves as described from page 104 onwards in the detailed Midea data. When...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery Charging Anomalies

@dunlorn I don't know the internals of the Tesla Powerwall, but from previous comments it would appear that the charging rate needs to be controlled...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cathoderay The 120 Ohm resistor at the end of the transmission line is to prevent signal reflection. When power is first applied to a transmissio...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

@newhouse87 I will be going out soon, so will reply later.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cathoderay Reading the information from Schneider, who bought Modicon, who originally developed Modbus, it is open source, so can be changed from t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

Do you mean that the heat pump is hardly coming on? Please try to be precise when passing information. Did the problem start after you removed reheat?...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

The problem occurring overnight could indicate that it is related to lower outside temperatures. When did you start using setback at night?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

@newhouse87 If it is possible, I would suggest that you check back in your Smart meter history to see if the problem has started recently, or was pr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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