LUX® TX9100U UNIVERSAL PROGRAMMABLE THERMOSTAT
QUICK START INSTALLATION GUIDE
53000
1
2
F
OF
SHUT OFF POWER
LABEL WIRES
Turn OFF the power to both
your heating and cooling units
at the circuit breaker.
BEFORE removing thermostat, label your
4
C
5
6
A
E
AU
F
existing wire connections with the labels
provided. Cover any “unused” wires with
electrical tape.
C1 DH
H
H1 H2 MDO
L
O
OT OT
R
R
3
INSTALL NEW THERMOSTAT BASE
INSTALL ALKALINE BATTERIES
4
W3
E
G
Y
R
O
W2
B
L
O
Restore the power to your heating and cooling units.
Install new Alkaline batteries into the thermostat. NOTE:
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.
Please use Duracell or Energizer Alkaline batteries ONLY for
all LUX® thermostats requiring batteries. BE SURE TO
NOTE: If you have both a “B” and an “O” wire, see the notes
on the back page of this instruction sheet.
CHANGE THE BATTERIES AT LEAST ONCE A YEAR, to ensure
consistent and reliable operation of your heating/cooling
system.
5
TEST HEAT AND COOL OPERATION
6
HEAT
OFF
Set the system switch to the
desired temperature mode.
SET THE CLOCK...
SET THE TEMPERATURE PROGRAMS
COOL
Adjust the SET Temperature to the
desired comfort setting.
Thank you for choosing LUX Products, and
we hope that you will enjoy using your new
thermostat along with its many energy
saving features.
72F
70F
68F
(NOTE: this set point will only be
temporary until the program
periods are saved in memory.)
DOWNLOAD THE FULL INSTRUCTION MANUAL
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.
ONLINE THERMOSTAT TROUBLESHOOTING GUIDES
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.
CONTACT OUR TECHNICAL SUPPORT DEPARTMENT
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
at the top of the page.
© 2012 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
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