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!
Last seen: Sep 19, 2024
@iancalderbank Since there can only be one Master and up to 31 Slaves in a basic Modbus system, which of your devices is the Master?
Personally I would not wait to install solar PV, since you should reap more financial benefit from the energy that you do not have to buy from the gri...
The lowest LWT is often dictated by heating the coldest room to the desired temperature. A room by room heat loss calculation should determine the hea...
I don't yet have a Sunamp, though I am considering one for the future. One of the reasons that I suggested that you could consider one is that I belie...
Why am I not surprised to hear that.
@iancalderbank You may also find this informative.
@iancalderbank I presume that you are aware that Modbus registers are 2 byte - 16 bit. You could try this sniffer software using the trial period.
Could you please expand on the above, preferably with examples.
@iancalderbank Hi Ian, Unfortunately I cannot see what is happening at your end, so must wait for your response. A copy of the data that you have ...
@iancalderbank So what did you find in address register 64?
@iancalderbank I would also suggest that you perform a 'read' of all address register from 1 to 100, noting the value found in each. The values can ...
@iancalderbank I would suggest that you check the following:- 'Restrictions on the remote control' in address 64. If it is set to anything other t...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: How Accurate Is My DIY Heat Loss Calculation?
Thank you all, i have made several adjustments based up...
By kilgorexv , 6 minutes ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 hour ago
-
RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 11 hours ago
-
RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 20 hours ago
-
RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 21 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 22 hours ago
-
RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 1 day ago
-
RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 4 days ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
-
RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 5 days ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago
SPONSORS
