preset fix

src/MaxThermostat.ts

@@ -61,7 +61,11 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
     }
 
     setPresetTemperature(presetTemperature: number) {
-        this.processMessage(this.presetTemperatureTopic, `${presetTemperature}`)
+        this.presetTemperature = presetTemperature
+    }
+
+    startFunc() : void {
+        mqttHandler.send(this.presetTemperatureTopic, `${this.presetTemperature}`)
     }
 
     processMessage(topic: string, payload: string) : void {