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MRCOOL MST04 Smart Thermostat Owner’s Manual

Unit Overview  
4
4.3 Device Controls  
On-Device Controls:  
Changing the Mode of your HVAC System:  
Touch the menu button once. The modes will start blinking. Use the up or down button to select the  
mode (i.e., Cool, Heat, etc.).  
Changing the Fan Settings:  
Touch the menu button twice. The fan settings icon will start blinking. Use the up or down button to  
change the fan settings (i.e., On, Auto).  
Locking/Unlocking the Display Interface:  
Touch and hold the Temperature Up and Down buttons simultaneously until the lock icon on the top right  
of the screen turns solid or disappears.  
Resetting the Wi-Fi of Smart Thermostat:  
Touch and hold the Temperature Up and Hold Settings buttons simultaneously until the Wi-Fi icon  
disappears, and the Bluetooth icon starts blinking.  
Wi-Fi Icon:  
Case 1: Stable Wi-Fi Icon - Device is connected to the internet, showing Wi-Fi strength.  
Case 2: Wi-Fi Icon with small triangle - Device is connected to the router but has no internet access. Ensure  
you have a working internet connection and restart the device.  
Bluetooth Icon:  
Blinking Bluetooth icon - Device is in broadcast (AP) mode. Please complete the registration process.  
mrcool.com  
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GeneralDetails
NameMRCOOL MST04 Smart Thermostat Owner’s Manual
MakeMrCOOL
LanguageEnglish
FiletypePDF (Download)
File size0.48 MB
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