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ASA Electronics ACTH12 Digital LCD Thermostat Instruction Manual

HEAT PUMP OPERATION  
In this mode, the compressor will cycle On/Off based on the Room/Set temperature. The Fan will run first and  
then the compressor will turn on in approximately 3 minutes. If the Fan is set to Auto, the Fan will stop 30  
seconds after the compressor stops. If the outdoor temperature is below 38°F, the heat pump will not work. If  
the system contains a furnace, the Thermostat will activate the furnace when the temperature is below 38°F and  
use the furnace as the main source for heat. The Fan will continue to run as set. Once the outdoor temperature  
rises above 45°F, the Thermostat will switch back to the Heat Pump, and no longer use the furnace. If the heat  
pump runs for more than 20 minutes continuously and the Room temperature is below 64°F, the Thermostat will  
activate the Furnace and run both heat sources to quickly heat the RV.  
HEAT STRIP OPERATION  
In this mode, the Heat Strip will cycle On/Off based on the Room/Set temperature. The Fan has a 20 second  
delay to allow heat buildup. Once the Room temperature reaches the Set temperature, the Heat Strip will shut  
off and the Fan will run for additional 30 seconds in the Auto setting to blow the residual heat from the ducts. If  
the Fan is set to On, it will continue to run at the set speed.  
FURNACE OPERATION  
In this mode, the Thermostat provides a 12VDC trigger to activate the RV Furnace. The Fan may or may not  
run based on the Fan settings. You can select Auto, On High/Medium/Low, or Off in the Furnace Mode. If  
Auto is selected the Fan will run for 30 seconds after the Room temperature reaches the Set temperature. If On  
is selected the Fan will run at the set speed regardless of Room temperature.  
THERMOSTAT ERROR CODE TABLE  
FACTORY RESET  
Start with Thermostat in Off mode. Press and hold both  
at the same time in the Off mode. Continue to  
press both buttons and press the and then release all 3 buttons. LCD will flash On/Off while pressing all 3  
buttons. One the buttons are released the LCD will turn off and the system has been reset to factory settings.  
GeneralDetails
NameASA Electronics ACTH12 Digital LCD Thermostat Instruction Manual
Makeasa ELECTRONICS
LanguageEnglish
FiletypePDF (Download)
File size0.17 MB
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ASA Electronics ACTH12 Digital LCD Thermostat Instruction Manual