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LUX
®
TX9100U UNIVERSAL PROGRAMMABLE THERMOSTAT
QUICK START INSTALLATION GUIDE
53000
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OFF
Turn OFF the power to both
your heating and cooling units
at the circuit breaker.
BEFORE removing thermostat, label your
existing wire connections with the labels
provided. Cover any “unused” wires with
electrical tape.
Thank you for choosing LUX Products, and
we hope that you will enjoy using your new
thermostat along with its many energy
saving features.
This sheet is just a quick start guide, and there are many more instructions and topics covered in the full version of the manual for
this product. The complete version PDF can be obtained at “http://www.luxproducts.com”. Click on SUPPORT, then
INSTRUCTION MANUALS.
Restore the power to your heating and cooling units.
Install new Alkaline
batteries into the thermostat. NOTE:
Please use Duracell or Energizer Alkaline batteries ONLY for
all LUX
®
thermostats requiring batteries. BE SURE TO
CHANGE THE BATTERIES AT LEAST ONCE A YEAR, to ensure
consistent and reliable operation of your heating/cooling
system.
Set the system switch to the
desired temperature mode.
Adjust the SET Temperature to the
desired comfort setting.
(NOTE: this set point will only be
temporary until the program
periods are saved in memory.)
LABEL WIRES
INSTALL ALKALINE BATTERIES
INSTALL NEW THERMOSTAT BASE
TEST HEAT AND COOL OPERATION
SET THE CLOCK...
SET THE TEMPERATURE PROGRAMS
DOWNLOAD THE FULL INSTRUCTION MANUAL
If you are having difficulties with the installation or the operation of your thermostat, please review the online troubleshooting
guides for your model. These troubleshooting guides cover the most common symptoms that you may observe. The
Troubleshooting Guides are located at “http://www.luxproducts.com”. Click on SUPPORT, then TROUBLESHOOTING GUIDES.
ONLINE THERMOSTAT TROUBLESHOOTING GUIDES
If you require need assistance with your product, please contact our Technical Assistance department between 8:00AM and
4:30PM Eastern Time from Monday through Friday, at 856-234-8803. Our website also permits you to email your technical
questions to our support staff at your convenience by visiting “http://www.luxproducts.com”, and clicking on the CONTACT US tab
at the top of the page.
© 2012 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
CONTACT OUR TECHNICAL SUPPORT DEPARTMENT
SHUT OFF POWER
HEAT
OFF
COOL
72F
70F
68F
Remove your old thermostat. Install the new thermostat
base (using the same mounting holes if possible). Connect
the wires matching the exact terminal letters from your wires,
to the terminal letters on the new thermostat.
NOTE:
If you have both a “B” and an “O” wire, see the notes
on the back page of this instruction sheet.
4
C
H
O
RH
5
C1
H1
OT
T
6
DH
H2
OT
TC
A
E
MDO
R
V
AU
F
L
R
V
W3 EGYROW2BL
R
G
O