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Altherma 3 R ECH2O #350

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rob570 opened this issue Nov 19, 2023 · 12 comments
Open

Altherma 3 R ECH2O #350

rob570 opened this issue Nov 19, 2023 · 12 comments

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@rob570
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rob570 commented Nov 19, 2023 •
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Hi to everyone and Thank you Raomin for your project.
I've configured ESPAltherma for an Altherma 3 R ECH2O. I've used Top-Grade.h with two fixes.
I'm not able to find the registry for querying:

  1. mixed temperature (R7T) the one found in other definitions don't work (always 0): {0x64,10,105,2,1,"Mixed water temp."},{0x64,10,118,2,1,"Mixed water temp.(R7T)"} -- Sorry I've seen many requests in discussion. Unluckly still no answer.
  2. Tank Valve (M1S)
  3. Bypass Valve (M2S)

Here what I fixed in the description:

  • {0x20,0,105,2,1,"Outdoor air temp.(R1T)"} should be {0x20,0,105,2,1,"Outdoor air temp.(R6T)"}
  • {0x64,7,105,2,1,"Boiler Heating Target Temp."} it is the SH Water Heating Temp

Could anyone help me?
Thank you,
Roberto
immagine
@maromme
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maromme commented Nov 20, 2023

I found those somewhere here in the discussions:

{0x63,8,105,2,1,"[HPSU] Mixed leaving water temperature after the tank R7T (DLWA2)"},
{0x63,10,101,1,-1,"[HPSU] Tank valve position (0:Bypass 100:Tank)"},
{0x63,11,101,1,-1,"[HPSU] Bypass valve position (0:Bypass 100:Emitter)"},
{0x20,0,105,2,1,"R6T"},

@lfrancke
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Maybe these are helpful for you as well: ech2o.csv

@rob570
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rob570 commented Nov 21, 2023

Dear Maromme and Ifrancke,
thank you for helping and sharing.
I'll try next week and I'll give you a feedback.
Have a nice day,
Roberto

@rob570
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rob570 commented Nov 26, 2023

Hi, I can confirm the settings provided work!
Thank you for your reply.
I attach a new definition file (renamed to csv) based on your information.
ALTHERMA(ECH2O).h.csv
Roberto

@mmariotti mmariotti mentioned this issue Dec 30, 2023
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@simonebortolin
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@lfrancke @rob570 why
{0x62,11,405,1,1,"Water pressure"},
and not
{0x62,11,105,1,1,"Water pressure"},

the conversion 405 is only for the R32 gas inside the refrigerant circuit.

@rob570
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rob570 commented Jan 1, 2024

Thank you Simone,
That's why even after pulling the breaks on 405 conv ( #325 ) I've got wrong values.
Grazie!

@simonebortolin
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how many Italians with this heat pump!

@simonebortolin
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simonebortolin commented Jan 1, 2024 •
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I am only missing the two 3-way valve values...

Only Refrig. Temp. liquid side (R3T) is Wrong

image
IMG_20240101_114711

@danilo-quadrelli
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Hi, I can't confirm the settings provided work!
In my case:
{0x62,11,405,1,1,"Pressione acqua"}, return
Pressione acqua: -51.1813 (Daikin 1,3 Bar)

{0x62,11,105,1,1,"Pressione acqua"}, return
Pressione acqua: 0 (Daikin 1,3 bar)

and:

{0x63,10,101,1,-1,"[HPSU] Tank valve position (0:Bypass 100:Tank)"},
{0x63,11,101,1,-1,"[HPSU] Bypass valve position (0:Bypass 100:Emitter)"},

[HPSU] Tank valve position (0:Bypass 100:Tank): 0
[HPSU] Bypass valve position (0:Bypass 100:Emitter): 0 (Daikin 12%)

Thank you

@simonebortolin
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In my case:
{0x62,11,405,1,1,"Pressione acqua"}, return
Pressione acqua: -51.1813 (Daikin 1,3 Bar)

{0x62,11,105,1,1,"Pressione acqua"}, return
Pressione acqua: 0 (Daikin 1,3 bar)

Molto strano, a me torna il valore corretto

{0x63,10,101,1,-1,"[HPSU] Tank valve position (0:Bypass 100:Tank)"},
{0x63,11,101,1,-1,"[HPSU] Bypass valve position (0:Bypass 100:Emitter)"},

pure queste a me tornano corretti i valori, che modello di ECH2O hai?

@danilo-quadrelli
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Daikin Altherma 3 R ECH2O:

EHSXB08P30DA

@simonebortolin
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simonebortolin commented Jan 2, 2024 •
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vecchia elettronica, potrebbe essere molto diverso da quelli dalla serie nuova con eye

c'è roba da prendere con il connettore CAM

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5 participants
@lfrancke @simonebortolin @maromme @rob570 @danilo-quadrelli