Forums

Forums
Members
Derek M
Activity
 
Notifications
Clear all
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: Vaillant Arotherm monobloc error f.788

I would suggest that you start by topping up the water in the system and bring the pressure up to approximately 2 bar. If that does not rectify the pr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why is my heat pump cooling my DHW?

For best overall efficiency, the temperature of the water going to your central heating should be as low as possible that meets the heat demand. The w...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP is running out of hot water

There are various possible causes. One of the actuated valves could be in the wrong position or not operating correctly. You could have water circu...

3 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Heat Pump Truth or Myth#2 - Cycling uses a lot of power and ruins your COP

Hi Kev, Excellent data once more. I am not certain where the claim that heat pumps use more energy and are less efficient when they cycle originat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

Pushing the operating lever on the valve actuators will not have any adverse effect, and is a simple way to test the valve operation. If you look clos...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!out

You must remember that ASHPTenant is not knowledgeable about heat pumps and plumbing, so must be guided in a logical manner with often detailed explan...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why is my heat pump cooling my DHW?

Check that the motorised valves are actually fully closed when they are supposed to be. If you have three 2-way valves, one for DHW and two for CH, th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

Those photo's are much clearer. I think that the upper of the two flexible pipes coming through the wall is carrying the warm water from the heat pu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

The two pipes from the heat pump should go through the outside wall to the outside unit and should be lagged. If you can identify those then follow th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

You should not normally hear the hiss of water running through the pipes, have the radiators been bled? Are you located in Italy by any chance? The h...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

@ashptenant Do you know which are the flow and return pipes connected to your heat pump? If you do then see if one of these pipes is connected to po...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

@rgledhill So you have a low loss header, which operates like a thin buffer tank, same inputs and outputs, but without any volume. The system pres...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 203 / 369
Share:

Join Us!

Worth Watching

Latest Posts

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
ShieldPRO →