Home > LUX > LUX TX500Ub Non Programmable Thermostat Instruction Manual

LUX TX500Ub Non Programmable Thermostat Instruction Manual

COMPLETE THE INSTALL:  
INSTALL BATTERIES INTO THERMOSTAT: Install two brand new Energizer® or  
DURACELL® “AA” size alkaline (only) batteries, into the thermostat’s battery  
compartment. Ensure the batteries are installed in the proper direction.  
GAS / ELEC CIRCUIT BOARD OPTION (“G” TERMINAL FAN OPERATION): This  
setting is a plastic shorting cap called a jumper. This jumper must remain  
installed, and set to either GAS or ELECTRIC for your system to work properly.  
This setting changes how your system’s blower fan (if applicable) is controlled  
while the thermostat is in HEAT or EMERG HEAT mode, when the Fan switch in  
the AUTO position. This setting does not affect the fan operation while in COOL  
mode.  
When set to “GAS”, the blower fan is controlled  
solely by the heating system itself. Systems that  
would typically use the “GAS” setting would be:  
BATTERY  
natural gas, propane, or oil furnaces, and boilers.  
NOTE: If your blower fan does not operate properly  
after installation, move the Gas / Electric option to  
ELEC  
the “Electric” setting.  
When set to “ELEC”, the blower fan is controlled  
directly by the thermostat. This setting is required  
for heating systems that do not control their own  
fan, such as HEAT PUMPS, and units that only have  
an electric-resistive heating element as the heat  
source.  
JP1  
GAS  
FRONT PANEL ITEMS:  
These items below are all located behind the door on the front of the thermostat.  
To open the door, pull outwards using the small indentation in the center of the  
top edge of the thermostat housing.  
HEAT / OFF / COOL, SYSTEM MODE SWITCH: Set this switch to HEAT to control  
your heating system, and COOL to control your cooling system. The OFF position  
will disable both the heating and cooling units.  
AUTO / ON, FAN MODE SWITCH: When this switch is in AUTO, the blower fan (if  
present in your system) will automatically cycle on and off by itself while heating  
or cooling is running. When in the ON position, the blower fan will run constantly  
17  
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