Home > LUX > LUX TX500Ub Non Programmable Thermostat Instruction Manual

LUX TX500Ub Non Programmable Thermostat Instruction Manual

OPERATING INSTRUCTIONS:  
SET DAY AND TIME: Place the Set Slide Switch into the DAY/TIME position. With  
the day flashing, press UP or DOWN to set the day of the week. Press NEXT and  
the clock time will start flashing. Use UP or DOWN to set the time, making sure  
the AM/PM indication is correct. Holding the UP or DOWN buttons will make the  
clock digits scroll rapidly. Return the Set Slide switch to the RUN position when  
finished.  
HEATING AND COOLING: Basic operation of your heating or cooling system can  
be obtained with the Set Slide Switch in the RUN position and choosing either  
HEAT or COOL on the System Mode switch. The temperature can be adjusted  
using the UP and DOWN buttons. When the thermostat is first powered up, it will  
follow a default temperature routine that is preset from the factory (shown  
below).  
PERIOD  
HEAT MODE  
COOL MODE  
MORN 6:00 AM 70 °F (21 °C) 6:00 AM 78 °F (26 °C)  
DAY  
EVE  
8:00 AM 62 °F (17 °C) 8:00 AM 82 °F (28 °C)  
6:00 PM 70 °F (21 °C) 6:00 PM 78 °F (26 °C)  
NITE 10:00 PM 62 °F (17 °C) 10:00 PM 75 °F (24 °C)  
EMERGENCY HEAT: (Heat Pump Configuration Only). While in normal Heat mode  
with the Set Slide switch in the RUN position, one single press of the EMER  
button will activate Emergency Heat mode. A single press again will end  
Emergency Heat mode, and return back to normal Heat mode. While in  
Emergency Heat mode, the word “EMER” will also be shown in the middle portion  
of the display screen. If a power loss occurs while in Emergency Heat mode, the  
thermostat will continue to remain in Emergency Heat mode even after the power  
comes back on.  
Emergency Heat mode will prevent the first stage of your heat pump system from  
turning on, and use only the “W2” heat terminal (Auxiliary Heat) as the primary  
heating source. This will not only prevent the heat pump from wasting energy if  
outdoor temperatures are too low to support efficient operation, but it could also  
prevent damage to the heat pump if outside temperatures are below the  
manufacturer’s recommendations. As every heat pump has different operating  
21  
GeneralDetails
NameLUX TX500Ub Non Programmable Thermostat Instruction Manual
MakeLUX
LanguageEnglish
FiletypePDF (Download)
File size0.31 MB
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LUX TX500Ub Non Programmable Thermostat Instruction Manual