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update water.cpp: modify set_wwCircTc to use new command values#3149

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proddy merged 1 commit into
emsesp:devfrom
Cali1205:dev
Jul 5, 2026
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update water.cpp: modify set_wwCircTc to use new command values#3149
proddy merged 1 commit into
emsesp:devfrom
Cali1205:dev

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@Cali1205

@Cali1205 Cali1205 commented Jul 5, 2026

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This pull request makes a targeted change to the Water::set_wwCircTc method, updating the way commands are written when setting a value.

Device command update:

  • Changed the write_command call in Water::set_wwCircTc to use a fixed address (0x7A5) and updated the command value to 0xFF when enabled (previously used a variable address and 0x01).

Behavior in my system using the SM100 with a Buderus FS20 was wrong and didn't worked.
With the changed implementation controlling Timed based circulation On/Off worked fine.

@MichaelDvP MichaelDvP left a comment

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Thanks for fixing.

@proddy proddy merged commit cfbcaa6 into emsesp:dev Jul 5, 2026
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@MichaelDvP

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Oh, it fixes dhw3 on SM100, but i see too late that it breaks MM1100 dhw1/2 setting. I'll fix with next PR.

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3 participants