Use changeset feature to switch hvac_mode

This speeds up the switch-on cycle by setting mode & power simultaneously instead of sequentially

Author: niobos

custom_components/mitsubishi/climate.py

@@ -188,22 +188,16 @@ async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
                 f"set HVAC mode to {hvac_mode}", self.coordinator.controller.set_power, False
             )
         else:
+            changeset = self.coordinator.controller.changeset()
+            changeset.set_power(PowerOnOff.ON)
+            changeset.set_mode(MODE_HA_TO_MITSUBISHI[hvac_mode])
             # Set the mode
             await self._execute_command_with_refresh(
                 f"set HVAC mode to {hvac_mode}",
-                self.coordinator.controller.set_mode,
-                MODE_HA_TO_MITSUBISHI[hvac_mode],
+                self.coordinator.controller.apply_changeset,
+                changeset,
             )
 
-            # Turn on if currently off
-            # Set mode before setting power, so the unit can start in the correct mode
-            if self.hvac_mode == HVACMode.OFF:
-                await self._execute_command_with_refresh(
-                    "turn on device before setting mode",
-                    self.coordinator.controller.set_power,
-                    True,
-                )
-
     @property
     def hvac_action(self) -> HVACAction | None:
         """Return the current running hvac operation."""

custom_components/mitsubishi/manifest.json

@@ -13,7 +13,7 @@
     "pymitsubishi"
   ],
   "requirements": [
-    "pymitsubishi==0.3.0"
+    "pymitsubishi==0.4.0"
   ],
   "version": "0.2.0"
 }