From d3beca60b683596ab8a3e93e333200c9ad15c62e Mon Sep 17 00:00:00 2001
From: Pierre Eisenbrandt <p_eisenbrandt@hotmail.de>
Date: Sun, 21 Dec 2025 18:28:21 +0100
Subject: [PATCH] limit temps

---
 Climate/bosch_bth-ra_control.yaml | 61 +++++++++++++++++++++++++++----
 1 file changed, 53 insertions(+), 8 deletions(-)

diff --git a/Climate/bosch_bth-ra_control.yaml b/Climate/bosch_bth-ra_control.yaml
index 3112209..e5166ef 100644
--- a/Climate/bosch_bth-ra_control.yaml
+++ b/Climate/bosch_bth-ra_control.yaml
@@ -33,6 +33,28 @@ blueprint:
           multiple: false
           filter:
             - domain: input_boolean
+    min_temperature:
+      name: Minimale Temperatur
+      description: Minimale erlaubte Solltemperatur als Sicherheitsgrenze (Default = 15°C)
+      default: 15
+      selector:
+        number:
+          mode: box
+          min: 10.0
+          max: 20.0
+          unit_of_measurement: "°C"
+          step: 0.5
+    max_temperature:
+      name: Maximale Temperatur
+      description: Maximale erlaubte Solltemperatur als Sicherheitsgrenze (Default = 28°C)
+      default: 23
+      selector:
+        number:
+          mode: box
+          min: 20.0
+          max: 25.0
+          unit_of_measurement: "°C"
+          step: 0.5
     window_section:
       name: Fenster-/Türsensor Konfiguration
       description: Konfiguration für den Fenster-/Türsensor. 
@@ -130,6 +152,8 @@ variables:
   radiator_schedules: !input radiator_schedules
   active_scheduler_selector: !input active_scheduler_selector
   away_temperature: !input away_temperature
+  min_temperature: !input min_temperature
+  max_temperature: !input max_temperature
   alarm_control_panel: !input alarm_control_panel
   is_heating_period: >
     {% if heating_period_switch is none or heating_period_switch == '' %}
@@ -178,8 +202,28 @@ variables:
     {% else %}
       {{ away_temperature }}
     {% endif %}
+  safe_temperature: >
+    {% set temp = target_temperature | float(18) %}
+    {% if temp < min_temperature %}
+      {{ min_temperature }}
+    {% elif temp > max_temperature %}
+      {{ max_temperature }}
+    {% else %}
+      {{ temp }}
+    {% endif %}
   is_valid_temperature: >
-    {{ target_temperature is not none and target_temperature | is_number }}
+    {{ safe_temperature is not none and safe_temperature | is_number }}
+  is_temperature_change_needed: >
+    {% set current = state_attr(trv, 'temperature') | float(0) %}
+    {% set new = safe_temperature | float(0) %}
+    {% set diff = new - current %}
+    {% if new > current %}
+      true
+    {% elif diff | abs >= 0.5 %}
+      true
+    {% else %}
+      false
+    {% endif %}
   scheduler_mismatch: >
     {% set selected_friendly_name = states(active_scheduler_selector) %}
     {% if selected_friendly_name not in ['unknown', '', none] %}
@@ -272,13 +316,13 @@ actions:
               - if:
                   - condition: template
                     value_template: >
-                      {{ is_valid_temperature }}
+                      {{ is_valid_temperature and is_temperature_change_needed }}
                 then:
                   - service: climate.set_temperature
                     target:
                       entity_id: !input trv
                     data:
-                      temperature: "{{ target_temperature | float }}"
+                      temperature: "{{ safe_temperature | float }}"
             alias: Heizperiode aktiviert - Setze Modus auf heat, synchronisiere Fensterstatus und Solltemperatur
           - conditions:
             - condition: trigger
@@ -329,13 +373,13 @@ actions:
               - if:
                   - condition: template
                     value_template: >
-                      {{ is_valid_temperature }}
+                      {{ is_valid_temperature and is_temperature_change_needed }}
                 then:
                   - service: climate.set_temperature
                     target:
                       entity_id: !input trv
                     data:
-                      temperature: "{{ target_temperature | float }}"
+                      temperature: "{{ safe_temperature | float }}"
             alias: Setze Fenster auf geschlossen und setze Solltemperatur auf Wert aus Zeitplan (wenn vorhanden)
           alias: Fensterstatus Änderung
         # temperature sensor sync
@@ -393,13 +437,13 @@ actions:
               - if:
                   - condition: template
                     value_template: >
-                      {{ is_valid_temperature }}
+                      {{ is_valid_temperature and is_temperature_change_needed }}
                 then:
                   - service: climate.set_temperature
                     target:
                       entity_id: !input trv
                     data:
-                      temperature: "{{ target_temperature | float }}"
+                      temperature: "{{ safe_temperature | float }}"
               # Notification bei Scheduler-Mismatch
               - if:
                   - condition: template
@@ -412,7 +456,8 @@ actions:
                         Der ausgewählte Scheduler '{{ states(active_scheduler_selector) }}' wurde nicht in der
                         Scheduler-Liste gefunden.
                         
-                        TRV '{{ state_attr(trv, 'friendly_name') }}' nutzt Fallback-Temperatur: {{ away_temperature }}°C
+                        TRV '{{ state_attr(trv, 'friendly_name') }}' nutzt Fallback-Temperatur: {{ safe_temperature }}°C
+                        (Original: {{ target_temperature }}°C, Limits: {{ min_temperature }}-{{ max_temperature }}°C)
                         
                         Bitte Konfiguration überprüfen.
                       notification_id: "radiator_control_scheduler_mismatch_{{ trv }}"