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Melcloud and Havenwise

 
Air Source Heat Pumps (ASHPs)
Last Post by bontwoody 12 months ago
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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 5 years ago
Posts: 1062
Topic starter 24/10/2025 11:50 am   [#2542]

Im just about to start monitoring a 12kW Ecodan for a friend and may well go on to use Havenwise at some point in the future. Ive just ordered the wrong thing off ebay and want to avoid doing that again.

Is the Melcloud adapter I require a PAC-WF010-E M? such as this

https://www.orionairsales.co.uk/mitsubishi-electric-air-conditioning-pac-wf010-e-m-series-wi-fi-advanced-interface-6866-p.asp?msclkid=58db4dc5f8ce18d6f7a4253eb67383e6

Thanks in advance.


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
10kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
24/10/2025 12:08 pm  

That looks like the wireless adapter to allow the Ecodan to communicate with MelCloud.

My understanding (and what I am working towards) is that HavenWise require the PAR-WT50/60  Wireless transmitter and receiver, but I may be wrong. 


342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 5 years ago
Posts: 1062
Topic starter 24/10/2025 12:16 pm  

@davidalgarve thanks. Looks like i could have been wrong again 😆


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
10kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
24/10/2025 12:40 pm  

@bontwoody Please don't take my word for it. I said it looks like the WiFi Interface but it is not quite like the one I have (see photo) and they may have updated it.

IMG 2093

342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
24/10/2025 12:51 pm  

Perhaps we should wait for HavenWise to confirm, but I have just installed the Wireless Controller Model PAR-WT60 transmitter and receiver  in the belief that this is what they require.

Unfortunately! temperatures here are up in the high 20's so I cannot, yet, establish if it is functioning correctly.


This post was modified 12 months ago by DavidAlgarve

342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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 Westkent
(@westkent)
Trusted Member Member
Joined: 3 years ago
Posts: 67
24/10/2025 2:01 pm  

@davidalgarve that’s exactly what’s required.

im with Havenwise myself.

everything seems to be working fine.



   
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bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 5 years ago
Posts: 1062
Topic starter 24/10/2025 3:05 pm  

Ive just found out that the module I purchased is compatible with Melpump. Anyone have any experience with that as opposed to Havenwise?

@editor Is there any chance you can edit the title of this thread to include Melpump please?


This post was modified 12 months ago by bontwoody

House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
10kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
24/10/2025 3:23 pm  

This is the User Manual for the Ecodan to MelCloud interface and you will see it quotes MAC-5571F-E Dated November 2012!

The one I have was installed 3-4 years ago and is a MAC- 5871, so probably an update.

AC_MELCloud_User_Manual_UK__3MB_.pdf

342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
ReplyQuote
bontwoody
 bontwoody
(@bontwoody)
Noble Member Contributor
Joined: 5 years ago
Posts: 1062
Topic starter 24/10/2025 3:29 pm  

@davidalgarve Thanks David


House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
10kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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