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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: 4405
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Reply
RE: 14Kw Mitsubishi Ecodan ASHP

Justin, On your present weather compensation curve the water flow temperature should be 30C when the ambient air temperature is 12C. You can calcula...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

You cannot set the minimum flow temp. below 20C or above 45C, these are the operational limits. The maximum flow temp. can be adjusted between 35C and...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

Try that, though you may not see any effect until the outdoor air temperature increases to a point where the water flow temperature needs to go below ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

Justin, Since the weather compensation was set for a maximum 50C and minimum 20C. Then the permitted values need to be the same, otherwise I suspect...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

Justin, When it asks you if you wish to shutdown the system, then select NO. It may still take you to the screen where you can adjust the minimum an...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

Justin, Please try the following and see what you discover. Select - 'Service', then 'Operation settings', then 'Heating operation', then .Flow te...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

Thanks Justin, I will see if I can decipher the various settings

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

@justinsb Thanks Justin, That looks like the correct screen, you should find that the Set temp, (FLOW) varies with changes in ambient air tempera...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@justinsb Justin, Under the Summary of Settings does it show the minimum and maximum permitted water flow temperatures, and if so, what are they ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

Justin, If you have time, could you please have a look at [Service menu] on page 38 and see what the default settings are on your system.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14Kw Mitsubishi Ecodan ASHP

@morgan Change the higher ambient temperature setting from 36C water flow temperature @ 10C outside air temperature to 20C @ 20C. See if that makes...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@justinsb Good morning Justin, That is an excellent COP for this time of year, their are some members on the forum who have been getting COP valu...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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