Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Renewable Heating
Air Source Heat Pum...
Samsung ASHP schedu...
 
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!

Samsung ASHP scheduling help

 
Page 18 / 20
Air Source Heat Pumps (ASHPs)
Last Post by TechnoGeek 2 years ago
232 Posts
23 Users
27 Reactions
110.2 K Views
RSS
 morh
(@morh)
New Member Member
Joined: 2 years ago
Posts: 8
02/11/2024 6:49 pm  

@mike-h exactly as you describe. 

hope that helps!



   
ReplyQuote
 Mike H
(@mike-h)
Reputable Member Member
Joined: 5 years ago
Posts: 200
02/11/2024 7:05 pm  

@morh It seems odd that F1 and F2 are used for the HVACs, but F3 and F4 are used for the ASHPs, but thanks for confirming this. I will give it a go.



   
ReplyQuote
 morh
(@morh)
New Member Member
Joined: 2 years ago
Posts: 8
02/11/2024 8:55 pm  

@mike-h apologies. Just wire it as the GitHub. F1 + 2. (I didn’t read your post properly…) 



   
ReplyQuote
 Mike H
(@mike-h)
Reputable Member Member
Joined: 5 years ago
Posts: 200
02/11/2024 10:13 pm  

@morh Thanks for the clarification. That's really helpful.



   
ReplyQuote
 minted_lamb
(@minted_lamb)
New Member Member
Joined: 3 years ago
Posts: 6
05/11/2024 9:29 pm  

@mike-h 

As per the pictures from the documentation you wire F1 to A and F2 to B.

Its OK for there to be other wires in F1/F2 (They go to the external ASHP unit)

Yes V1 & V2 as per the diagram to provide 12V to the M5Stack

I found that a 120 ohm resistor between A&B on the M5Stack RS485 base was needed.



   
ReplyQuote
 Mike H
(@mike-h)
Reputable Member Member
Joined: 5 years ago
Posts: 200
05/11/2024 9:39 pm  

@minted_lamb Many thanks for that. I am waiting for my M5stack to arrive and in the meantime I have managed to install HA inside VirtualBox, thanks to a brilliant video by Smart Home Australia. EspHome and HA are very much uncharted territory for me. Thanks for the tip about the 120 ohm resistor.



   
ReplyQuote
 minted_lamb
(@minted_lamb)
New Member Member
Joined: 3 years ago
Posts: 6
05/11/2024 9:48 pm  

@morh 

Thanks for your excellent work on this an reporting it on this forum. I was going to buy a Homely heat pump controller, but thought I'd start with this and get some more knowledge.

As you created a PR of the original work by lanwin, can you advise if your work was incorporated into the main build now take on by omerfaruk-aran at https://github.com/omerfaruk-aran/esphome_samsung_hvac_bus  

Before I fully commit to using it in production, I'd like to aim to be working with a maintained integration.



   
ReplyQuote
 morh
(@morh)
New Member Member
Joined: 2 years ago
Posts: 8
06/11/2024 9:29 am  

@minted_lamb news to me. 

I'll probably end up using the new project whenever I feel like updating.



   
ReplyQuote
 Mike H
(@mike-h)
Reputable Member Member
Joined: 5 years ago
Posts: 200
13/11/2024 10:14 pm  

@morh  I have followed the instructions on setting up the M5stack atom lite on https://github.com/omerfaruk-aran/esphome_samsung_hvac_bus/blob/main/readme.md

Linking .pioenvs/esphome-web-a07180/firmware.elf RAM: [== ] 18.6% (used 60856 bytes from 327680 bytes) Flash: [==========] 110.3% (used 2024497 bytes from 1835008 bytes) Error: The program size (2024497 bytes) is greater than maximum allowed (1835008 bytes) *** [checkprogsize] Explicit exit, status 1 ========================= [FAILED] Took 198.37 seconds ========================= ===== [ERROR] /config/esphome/esphome-web-a07180.yaml =====



   
ReplyQuote
 Mike H
(@mike-h)
Reputable Member Member
Joined: 5 years ago
Posts: 200
13/11/2024 10:50 pm  

@morh Apologies for the last post. It added the post before I had finished and I have since managed to reduce the program size by removing the lines related to the bluetooth facility.



   
ReplyQuote
 kocta
(@kocta)
New Member Member
Joined: 3 years ago
Posts: 6
12/12/2024 9:12 am  

Hi all, 

I have successfully running ESPHome with the heat pump and the code from @steven

Now I would like to write to the 0x40c4 address PWM, but cant figure it out how 

do you have any Tip for me? 

- platform: modbus_controller
    modbus_controller_id: ashp_modbus
    name: "Water Pump PWM"
    id: pump_pwm
    register_type: holding
    address: 0x40C4
    value_type: U_WORD
    lambda: "return x * 0.1; "
    write_lambda: "return x * 10.0; "


   
ReplyQuote
 Anonymous 6050
(@Anonymous 6050)
Joined: 2 years ago
Posts: 77
12/12/2024 10:42 am  

All this is far too complicated for most of us. Surely someone, if not Samsung, could sell a simple plug-in package.



   
ReplyQuote
Page 18 / 20
Forum Jump:
  Previous Topic
Next Topic  

Currently viewing this topic 6 guests.

Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Members Online

 No online members at the moment

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