Only run independent fan schedule when actually needed

flows.json

@@ -762,7 +762,8 @@
             "62211bf089bc5b04",
             "d0dacbae4513b1ad",
             "7b390a3b24fc3197",
-            "a417e93366843249"
+            "a417e93366843249",
+            "b371dfa2ee57b577"
         ],
         "x": 14,
         "y": 719,
@@ -18213,7 +18214,7 @@
         "y": 1000,
         "wires": [
             [
-                "61405a43f61f3d60"
+                "b371dfa2ee57b577"
             ]
         ]
     },
@@ -18798,6 +18799,51 @@
             ]
         ]
     },
+    {
+        "id": "b371dfa2ee57b577",
+        "type": "api-current-state",
+        "z": "72f99805df043603",
+        "g": "39a7ac02f2727f1d",
+        "name": "Needed?",
+        "server": "9e87348d.9c1c48",
+        "version": 3,
+        "outputs": 2,
+        "halt_if": "on",
+        "halt_if_type": "str",
+        "halt_if_compare": "is",
+        "entity_id": "binary_sensor.kallen_fan_separate_schedule",
+        "state_type": "str",
+        "blockInputOverrides": false,
+        "outputProperties": [
+            {
+                "property": "needed",
+                "propertyType": "msg",
+                "value": "",
+                "valueType": "entityState"
+            }
+        ],
+        "for": "0",
+        "forType": "num",
+        "forUnits": "minutes",
+        "override_topic": false,
+        "state_location": "payload",
+        "override_payload": "msg",
+        "entity_location": "data",
+        "override_data": "msg",
+        "x": 255,
+        "y": 1000,
+        "wires": [
+            [
+                "61405a43f61f3d60"
+            ],
+            []
+        ],
+        "outputLabels": [
+            "On",
+            "Off"
+        ],
+        "l": false
+    },
     {
         "id": "105271e0816c6a52",
         "type": "ha-button",