Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
Derek M
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: 17kw Grant Aerona heat pump not performing

Did you get warm water to the cold radiator? If not then remove the TRV actuator head and ensure that the valve plunger moves freely.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Another 17kw Grant Heat Pump - Advice Needed!

@bn06amp If you could post the heat loss calculations that would be highly useful, since the data should indicate how much heat energy is required b...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Another 17kw Grant Heat Pump - Advice Needed!

Hi Ash, welcome to the forum. You should find that the energy consumption will start to reduce as your home gets up to temperature. What model is ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@soniks Now try closing the TRV's on the warmer radiators for a period of time to see if more water is pushed through the colder radiators. Try blee...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan settings

Hi Mars, It is the internals of the valve that are the important factor, not who manufactures it. The flow rate through a valve is limited by the sm...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

I would suggest that you start by checking that both valves on your 1.6m K2 are fully open. If they are then try to trace back along the pipework for ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Yearly maintenance

I remember watching an American video some time ago, where the Technician measured either temperatures, pressures or both on the heat pump unit, that ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan settings

Mars is correct, you don't need to panic, systems can often be improved without ripping everything out and starting again. It is often a matter of loc...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

The graph for October would appear to show that your heat pump was running for a period of time and producing more energy than that required to satisf...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

During the defrost cycle the compressor probably runs at full speed to complete the defrost as quickly as possible.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

Looking at the graph, what you refer to as cycling could possibly be defrosting. What is the calculated heat loss for your Home? Do you know if your...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Clarification needed for Ecodan ASHP settings

I would have expected a higher COP than 2.1 if your system is operating at maximum efficiency. Do you have heat loss calculations for your home? Wha...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 212 / 369
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Click to access the login or register cheese
Protected By
Shield Security PRO