feat: add manual E-Heater assist switch (R4) and refine sanitize binary sensors - #28
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…en Electric Booster (R108 & 8)
…rdcoded default heater_assist_trigger_register defaulted to register 4 in the coordinator whenever a profile didn't set it, and apply_profile_to_config() never copied the key out of a profile's registers block at all - so the new switch was being created on every install regardless of profile, including models where register 4 has never been validated. - coordinator.py: drop the hardcoded `4` fallback, matching every other optional diagnostic register (defaults to None) - profile_manager.py: wire heater_assist_trigger_register through apply_profile_to_config() and save_profile(), same as heater_assist_register/sanitize_state_register - switch.py: require both heater_assist_trigger_register and heater_assist_register before creating the switch, since it's the write-side of a state R108 reports - binary_sensor.py: keep the original unique_id suffixes for the two pre-existing sensors so current EcoSpring installs don't get orphaned entities from the R108/R109 refinements in this PR Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary of Changes
Resolves #25 by adding support for triggering the manual E-Heater booster element and refining diagnostic binary sensors for EcoSpring / Chromagen / Midea HWS units.
1. Manual E-Heater Assist Trigger (Register 4)
1to Register 4 triggers the manual E-Heater element.MideaHeaterAssistSwitch(Manual Heater Assist) linked to Register 4.0is rejected with Modbus Exception Code 3 (Illegal Data Value), operating identically to the Sanitize register (R3). It automatically self-clears back to0when target setpoint temperature is met.2. Refined Diagnostic Binary Sensors
v & 8(Bit 3 active when the booster element relay is energised). This prevents standby values like2(delayed sanitize) from falsely showing the booster element as running.Sanitize Cycle Active: Triggers whenR109 = 32(immediate/active disinfection).Sanitize Cycle Scheduled: Triggers whenR109 = 33(scheduled/pending weekly disinfection).3. Model Configuration Updates
"heater_assist_trigger_register": 4toecospring_hp300.json.