[EnergyPlus] ZoneHVAC:PTAC never turns off (in deadband) [closed]

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Right now, I am using ZoneHVAC:PTAC with ThermostatSetpoint:DualHeatingandCooling.
The heating is set to 20C and cooling is set to 24C.

However, the heater/cooler just turns on even when the thermostat temperature states "30C" or "18C", respectively (the temperature where they are not supposed to turn on). I have attached the image files about my PTAC and Thermostate settings. Please take a look :( I hope to just turn this Heater and Cooler (PTAC) whenever needed and turnoff between 20 and 24C

https://drive.google.com/file/d/1FuSq...

C:\fakepath(4).png