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Mike H
@mike-h
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Reputable Member
Joined: Dec 1, 2021
Last seen: Feb 19, 2025
Profile Activity
Topics: 5 / Replies: 192
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Topic
Are antifreeze valves essential for a glycol free ASHP system?
1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 19
Views: 4279
Reply
RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

The Freedom HP calculator allows you to put different desired room temperatures in different rooms. If you change from 21C to what you would run your ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen6 12KW heat pump and pasteurisation cycle - only uses the booster

you can schedule your hot water to be heated by the heat pump and also schedule your legionnaires cycle. If you schedule the heat pump to heat your wa...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Samsung Gen 6 12kW AE120RXYDEG ASHP right for me?

We have a 12kW Gen 6 Samsung ASHP in an old stone cottage with a heat loss calculated at 9.8kW at -3.7, which I found to be similar using one of the h...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New ASHP system - choices

I would not recommend you go with Greener Living. They do a lot of installs and are keen to get new business, but they are harder to chase up once you...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

And it is like compound interest, not just additive.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@editor Here is a graph of temperatures taken from my 4 pipe buffer tank ( before it was removed). You can see that Delta T between Buffer in (LWT) a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

@swanny The accepted way to run a heat pump is to have it on 24/7 which means the water pumps will be on 24/7 (low and slow mode). The weather compens...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

@swanny I tried FSV 2091 setting 'Use (Signal only ON/OFF)' to see if it would stop it cycling when mild outside and LWT was low. It did prevent it cy...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

@guthrie No, only when it cycles does it cycle 7-8 times an hour. Most of the time it doesn’t cycle at all because it doesn’t reach its minimum output...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

@swanny That's looking really good. I imagine your flow temperature with those settings is around 32 degC if OAT is still 10 degC. Your inverter pump ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

Yes he does - If Greener Living source the Samsung from Freedom Heat Pumps, then the buffer tank is required as part of the warranty (personal communi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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