®
THE BUILT IN ENERGY STAR PROGRAMS
INSTALLATION AND OPERATING INSTRUCTIONS
C
A
U
T
I
O
N
Push in the RESET key. This sets the
built-in heating and cooling programs.
Do not allow wires to touch each other or parts on thermostat. Wires must be
trapped between black spacer and brass terminal. Also, be sure to tighten securely
all 7 electrical terminal screws.
PERIOD
HEAT
COOL
To review the built-in programs,press
MON-SUN
MORN
DAY
EVE
6:00 AM 70° 6:00 AM 78°
8:00 AM 62° 8:00 AM 85°
6:00 PM 70° 6:00 PM 78°
NEXT or PREVIOUS repeatedly; when
TX9000a SERIES
preprograms
you are done, press RETURN.
®
WIRING DIAGRAMS
RC-RH JUMPER
PROVIDED
You can use the built-in programs as
shown, or change them as you wish.
Each day is divided into four periods.
Each period has its own starting time
and temperature.
HEATING ONLY SYSTEMS
COOLING ONLY SYSTEMS
SMART TEMP ELECTRONIC THERMOSTAT
RC-RH JUMPER
PROVIDED
NIGHT 10:00 PM 62° 10:00 PM 82°
UP
A
HEAT
DOWN
UP
MO
UP
MO
DAY
DAY
AT
HEAT
PM
DOWN
P
DOWN
Y
O
G
W
B
RH RC
Y
O
G
W
B
RH RC
Easy as
1–2–3
SET
SATURDA
PROGRAM
SET
SUNDA
SET
SATURDA
PROGRAM
T
A
Y
Y
Y
Y
REST
RESET
PROGRAM
FAN
RAM
FAN
HEA
T
HEAT
AUTO
AUTO
SET
WEEKDA
ET
EEKDA
OFF
FILTER
HOLD
Y
FILTER
HOLD
ON
Y
ON
COOL
PROGRAM
SET
DAY/TIME
RUN
RUN
NEXT
NEXT
1500
1500
P
a
t
e
n
t
s
P
e
n
d
i
n
g
P
a
t
e
n
t
s
P
e
n
d
i
n
g
SIMPLIFIED INSTRUCTIONS
Press UP/DOWN to set time.
SIMPLIFIED INSTRUCTIONS
•
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
TO SET TIME
&
DAY
•
Press UP/DOWN to set time.
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
TO SET TIME
&
DA
Rotate Dial to SET
Y
•
•
Rotate Dial to SET
DAY/TIME.
Press UP to change
TO SET PROGRAMS
Rotate Dial to SET
•
T
o
clear OVERRIDE press UP/DOWN until
appears or wait for
PROGRAMMING THE UNIT
TO SET PROGRAMS
Rotate Dial to SET
•
T
o
clear OVERRIDE press UP/DOWN until
appears or wait for
DAY/TIME.
Press UP to change
•
•
original set temperature
•
•
original set temperatur
e
Installs Easily
Set Day & Time
Choose Heat or Cool
You can change any preset times and/or temperatures to suit your schedules for the weekday,
Saturday and Sunday programs. Each period (Morning, Day, Evening, and Night) is programmed for
HEAT and for COOL.
G
F
W
H
4
RH
RC
R
Y
C*
6
G
F
RH
RC
R
V
5
LUX PRODUCTS CORPORATION • Mt. Laurel, New Jersey 08054 USA
WARNING: Use Energizer® or DURACELL® Alkaline Batteries Only
Energizer® is a registered trademark of Eveready Battery Company, Inc.
DURACELL® is a registered trademark of The Gillette Company, Inc.
V
5
Select HEAT to program the
unit for controlling your heater.
Select COOL to program the
unit for controlling your air conditioner.
OR
52002
Complete, Easy To Read Programming And Installation Instructions Inside
PROGRAM MO TU WE TH FR
FOR: MORN
SET TEMP
Rotate dial to SET WEEKDAY PROGRAM. To program SATURDAY or
SUNDAY, rotate the dial to SET SATURDAY or SET WEEKEND PRO-
GRAM. With dial on SET WEEKDAY PROGRAM, you will see this display.
HEATING / COOLING SYSTEMS
HEATING / COOLING SYSTEMS
START AT:
AM
TEMP
4 -WIRES WITH ONE TRANSFORMER
5 -WIRES WITH TWO TRANSFORMERS
HEAT
RC-RH JUMPER
PROVIDED
RC-RH JUMPER
REMOVED
I M P O R T A N T !
Y
O
G
W
B
RH RC
Y
O
G
W
B
RH RC
To change the start
time for MORN.
To change the start
time for EVE.
DOWN
DOWN
UP
UP
Thank you for your confidence in our product. To obtain the best results from
your investment, please read these instructions and acquaint yourself with
your purchase before installing your new thermostat. Then follow the
installation procedures, one step at a time. This will save you time and
minimize the chance of damaging the thermostat and the systems it controls.
These instructions may contain information beyond that required for your
particular installation. Please save for future reference.
READ
INSTALLATION
INSTRUCTIONS
FIRST
NEXT
UP
NEXT
UP
To program temperature.
To program temperature.
To change the temp.
setting for MORN.
To move to DAY.
To change start time
for DAY.
To change the temp.
DOWN
DOWN
Y
C*
6
G
F
W
H
4
RH
RC
R
Y
C*
6
G
F
W
H
4
RH RC
V
5
setting for EVE.
To move to NIGHT.
To change the start
time for NIGHT.
To program temperature.
To change the temp.
setting for NIGHT.
R
NEXT
UP
NEXT
UP
DOWN
DOWN
V
5
NEXT
UP
NEXT
UP
To program temperature.
FEATURES
DOWN
DOWN
To change the temp.
setting for DAY.
To move to EVE.
TYPICAL SINGLE STAGE
The Active Program Period
•
The Unit can be
used with most
24 volt gas, oil or
electric heating
and air conditioning
The Set
HEAT PUMP WIRING
WIRING DIAGRAM NOTES
(APPLIES TO ALL DRAWINGS)
Liquid Crystal
Display
*CUSTOMER
SUPPLIED
JUMPER
NEXT
LUX Speed
Temperature
RC-RH JUMPER
PROVIDED
The COPY button can be used to duplicate the
programs from any previous day.
Dial®
• The DASHED lines are optional depending upon
your system type.
Y
O
G
W
B
RH RC
Rotate dial to RUN position to start the programs or SET WEEKEND PROGRAM to continue
programming.
systems, single-stage
heat pumps or gas
• Verify whether “C”, “X” or “B” wires are connected
to system common.
Thermostat
Body
millivolt heating systems.
It cannot be used with 120
volt heating systems or
multistage heat pumps. Ask
your dealer for other LUX
thermostats to control
those systems.
C
A
U
T
I
O
N
• If “B” and “O” are both present, it is likely that “B”
is a system common.
The unit is protected against normal static electric discharges. However, in extremely dry weather you
should touch another metal object before the unit to avoid potential loss of programs.
Y
C*
G
F
RH
RC
R
O
B
• If a “B” wire in your system is a common, then
connecting it to the “B” terminal may cause damage to
your system.
System
Switch
SETTING THE TIME OF DAY
V
5
Open the drop down door on the front of the thermostat. Rotate the dial to the SET DAY/TIME
position. You should see the display pictured above with a day of the week flashing. When you are
finished setting the day and time, rotate the dial to RUN to return to normal operation or to another
position to continue programming.
Fan
• If “Y” and “C” are both present, it is likely that “C”
is a system common.
Switch
•
•
The Unit is programmable.
There are four programming
periods per day. Each
period can be programmed
separately.
You can use the built-in
time/temperature
programs, or alter them
to suit your schedule. The
Unit provides separate
programming for every day
of the week- for both heating and cooling. You can override the programmed temperatures for as
little as one programming period or for an entire vacation.
USE B or O NOT BOTH
PATENT NO. 5,673,850
These diagrams below are provided for new installations or unreferenced wires.
SIMPLIFIED INSTRUCTIONS
Easy to
UP
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
•To clear OVERRIDE press UP/DOWN until
original set temperature appears or wait for
the start tf the next period.
TO SET TIME
• Rotate Dial to SET
DAY/TIME.
• Press UP to change
current day.
• Press NEXT.
&
DAY
TO SET PROGRAMS
• Rotate Dial to SET
WEEKDAY,
To change
current day.
To set current time. The (e.g.
“12:00”) will be flashing.
To change the
current time.
UP
NEXT
follow
SATURDAY or
SUNDAY PROGRAM.
• Press UP/DOWN to adjust
start time.
Instructions
DOWN
TEMPERATURE HOLD
• Press UP/DOWN
to set time.
TYPICAL HOOKUP FOR 2 OR 3 WIRE
24 VAC HEATING SYSTEMS (AND MILLIVOLT)
• Press HOLD. Adjust temperature as
desired with UP/DOWN.
•To clear, press HOLD again.
• Press NEXT.
• Press UP/DOWN to adjust
temperature.
• Press NEXT.
• Repeat as needed or rotate
dial to RUN to stop Programming.
TEMPERATURE OVERRIDE AND TEMPERATURE HOLD
These features let you change the current Set Temperature without changing the programs stored in
your thermostat’s memory.
Thermostat
Cover
Y
O
G
W
B
RH RC
Button to Light Display
TEMPORARY TEMPERATURE OVERRIDE
COMMON
Press UP/DOWN to change the current temperature setting. The OVERRIDE indicator
OPTIONAL
FAN LEAD
RH-RC JUMPER
PROVIDED
UP
appears on display.
Gas
System
XFMR
Valve
or
The Override feature will be automatically canceled at the start of the next program period.
To cancel OVERRIDE prior to next program period press UP/DOWN until original set tem-
perature appears. OVERRIDE indicator will disappear from display.
FAN
•
•
•
•
In cool weather, when the system switch is set to HEAT, the Unit will maintain cooler “set back”
room temperatures to save energy. It will then change to warmer “comfort” settings — all
automatically, at specified times during the day.
In warm weather, when the system switch is set to COOL, the Unit will maintain warmer “set
back” room temperatures to save energy. It will then change to cooler “comfort” settings - all
automatically, at specified times during the day.
A large liquid crystal display shows time, day of the week, and room and set temperatures.
It will remind you when the filter should be changed in your blower and track your system’s energy
usage.
DOWN
Heater
TYPICAL COOL HOOKUP
24 VAC SYSTEMS
VACATION TEMPERATURE HOLD
Press HOLD. Adjust temperature as desired with UP/DOWN.
Temperature setting will not change even after next program period begins.
To clear, press HOLD again.
HOLD
Y
O
G
W
B
RH RC
RH-RC JUMPER
PROVIDED
Temperature swing adjustment lets you fine-tune your system for maximum comfort and
economy.
SYSTEM
ADVANCED FEATURES
A timer in the unit records your systems’s ON time for the current day, the previous day, and
cumulatively to let you see the effects of your temperature settings and weather conditions.
COMMON
A/C
Comp.
System
XFMR
•
•
5/2 Minute Selectable Minimum Run/Off Time for Short Cycle/Compressor Protection.
Two Energizer® or DURACELL® “AA” alkaline batteries (not included) are used to retain your
time and temperature programs.
ENERGY USAGE MONITOR
FAN
TYPICAL 24 VAC 4-WIRE HOOKUP
SINGLE STAGE HEAT AND COOL
• Select HEAT to monitor heating energy usage or COOL to monitor cooling usage.
• Rotate the dial to SET ENERGY/USAGE
C
A
U
T
I
O
N
Y
O
G
W
B
RH RC
• Your thermostat is a precision instrument. Please handle it with care.
The current day’s ENERGY usage is displayed.
• Turn off electricity to the appliance before installing or servicing thermostat or any
part of the system. Do not turn electricity back on until work is completed.
• Do not short (jumper) across electric terminals at control on furnace or air conditioner
to test the system. This will damage the thermostat and void your warranty.
• All wiring must conform to local codes and ordinances.
UP
To reset the display to zero.
NEXT
To display yesterday’s energy use.
COMMON
RH-RC JUMPER
PROVIDED
To display total ENERGY usage since
the Monitor was last set to zero.
UP
NEXT
To undo the previous reset to zero.
Gas
A/C
Comp.
System
XFMR
Valve
or
FAN
Rotate the dial back to the RUN position.
Heater
• This thermostat is designed for use with 24 volt and millivolt systems. The thermostat
should be limited to a maximum of 1.0 amps; higher amperage may cause damage
to the thermostat. If you are in doubt, call your utility company.
FILTER USAGE MONITOR
The FILTER Monitor counts the hours since the filter in your blower was last changed. After 250
hours of use, FILTER will appear in the display. After you change the filter, set the thermostat’s FILTER
Monitor back to zero as follows.
TYPICAL 2-TRANSFORMER 24-VAC 5-WIRE HOOKUP
SINGLE STAGE HEAT AND COOL
Y
O
G
W
B
RH RC
Rotate the dial to FILTER
DOWN
UP
To reset the counter
C A U T I O N
INSTALLATION
To change the FILTER Usage Monitor limit
To avoid electrical shock and
to prevent damage to the
RH-RC JUMPER
Please read all instructions carefully
before beginning installation.
REMOVED
DOWN
UP
COMMON 2
COMMON 1
NEXT
Hold for two seconds
To change the limit from 0-500 hours
F
OF
furnace, air conditioner, and
thermostat, disconnect the power
supply before beginning work. This
can be done at the fuse box, at the
circuit breaker, or at the appliance.
TOOLS REQUIRED
To disable the FILTER Usage Monitor set the limit to 0 hours
TEMPERATURE SWING
A thermostat works by turning your heating or cooling system on and off whenever the room
temperature varies a certain number of degrees from the set-point temperature. This variation is the
“swing.” Your system should cycle on about 3 to 6 times per hour. A smaller swing number increases
the number of cycles, so room temperature is more constant. A larger swing number decreases the
number of cycles, to save energy in most cases.
#1 Phillips screwdriver (small)
Drill with 3/16-in. (4.8mm) bit
THERMOSTAT LOCATION
On replacement installations, mount the
Gas
A/C
Comp.
Heat
XFMR
Cool
XFMR
Valve
or
FAN
Heater
TYPICAL SINGLE-STAGE HEAT PUMP HOOKUP
new thermostat in place of the old one unless the conditions listed below suggest otherwise. On new
installations, follow the guidelines listed below.
1. Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a room that is
used often.
2. Do not install it where there are unusual heating conditions, such as: in direct
sunlight; near a lamp, radio, television, radiator, register, or fireplace; near hot water pipes in a wall;
near a stove on the other side of a wall.
3. Do not locate in unusual cooling conditions, such as: on a wall separating an unheated room; or in
a draft from a stairwell, door, or window.
Y
O
G
W
B
RH RC
SWING SETTINGS
Rotate the dial to SET ENERGY/USAGE
Press together
USE
HOLD
NEXT
NEXT
Press to set.
B or O
RH-RC JUMPER
PROVIDED
NOT BOTH
DOWN
UP
To change the temp. swing between 1-9 (4=approx. 1°F)
SYSTEM
COMMON
Heat Pump Reversing
Compressor Valve
System
XFMR
FAN
Press together
4. Do not locate in a damp area. This can lead to corrosion that will shorten thermostat life.
5. Do not locate where air circulation is poor, such as: in a corner or an alcove; or behind an open
door.
TEMPERATURE CALIBRATION
Rotate the dial to SET DAY/TIME
HOLD
UP
NEXT
DOWN
To adjust the thermostat
6. Do not install the unit until all construction work and painting has been completed.
7. This thermostat does not require leveling.
N O T E
If you have an electric system and the blower does not operate after installation, find the
electric/gas heat selector on the back of the body. Move the selector to the ELEC position.
PROGRAM LOCK
To prevent tampering with set programs. The sequence of keys to lock and unlock the program:
REMOVING THE OLD THERMOSTAT
NEXT
NEXT
HOLD
NEXT
C A U T I O N
INSTALLING BATTERIES
Switch electricity to the furnace and air conditioner OFF; then
Read instructions carefully
The Unit requires batteries to operate your furnace and retain its
proceed with the following steps.
N
O
T
E
before removing any
programming in memory. Replace the batteries when the
REPLACE indicator appears in the display or at least once a year.
1. Remove cover from old thermostat. Most are snap-on types and
You must press “RESET” after enabling the features below. This will require you to
reprogram your thermostat. Please copy your programs into the blank chart provided
to assist reprogramming. Please reference the figure under “INSTALLING BATTERIES”
which shows the JUMPER LOCATIONS
REPLACE BATTERIES WHEN
INDICATOR APPEARS
wiring from existing
simply pull off. Some have locking screws on the side. These
thermostat. Wires must be
must be loosened.
labeled before they are
WARNING: Use Energizer® or DURACELL® Alkaline Batteries Only.
2. Note the letters printed near the terminals. Attach labels
removed. When removing
(enclosed) to each wire for identification. Remove and label wires
CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK
wires from their terminals,
ignore the color of the
one at a time. Make sure the wires do not fall back inside the
wall.
N O T E
WARNING: Making these changes will require you to reset the thermostat. Copy any of your cus-
tomized programs onto the chart . This will be your reference to reenter the programs afterwards.
• 5/2 Minute Selectable Minimum Run/Off Time -J1.
J1 2 MIN
J2
J3 24 HR
5 MIN
F
12 HR
wires since these may not
comply with the standard.
When replacing batteries, you have
3. Loosen all screws on the old thermostat and remove it from the
wall.
MOUNTING THE UNIT ON THE WALL
1. Strip insulation 3/8 in. (9.5mm) from wire ends and clean off any corrosion.
2. Fill wall opening with non-combustible insulation to prevent
drafts from affecting the thermostat.
C
approximately 1 minute before programs are lost.
J4 S/R ON S/R OFF
• To change to Celsius - remove jumper -J2.
• To change to a 24HR clock - remove jumper- J3.
1. Remove fresh batteries from their carton.
2. Remove body of thermostat as described at bottom of
first column.
J4 J3 J2 J1
• Press the reset key on the front of the thermostat for changes to take effect.
• Reprogram as necessary.
3. Remove the battery clip and batteries.
SMART RECOVERY
3. Press up on the button on bottom of thermostat and swing the
body away from the base and up to remove the body from the base.
4. Install two new Energizer® or DURACELL® "AA"
size alkaline batteries in the battery compartment.
Observe the polarity marking shown in the clip.
C
A
U
T
I
O
N
Your thermostat has the capability to turn the HEAT and AIR CONDITIONING ON in your home so that it
reaches your desired comfort temperature at the time you have programmed. For instance, if you have pro-
grammed your thermostat for 70° at 5:00pm, normally the thermostat will begin to heat your home at 5:00pm.
With SMART RECOVERY on, the thermostat will calculate the best time to turn the heat on so that the temper-
ature in your home reaches 70° by 5:00pm. It calculates the amount of time through experience and will get
more accurate as time goes by. To enable SMART RECOVERY, remove J4 on the back of the thermostat. Press
the small reset button on the front of the thermostat. IN RECOVERY will appear in the display when this feature
is bringing your home to temperature.
The Unit is protected against normal static
electric discharges. However, in extremely
dry weather you should touch another
metal object before the Unit to avoid
potential loss of programs.
C
A
U
T
I
O
N
5. Place body back on the wall. Hook the
bottom of the body onto the base, swing the body up,
and snap the body onto the base.
Be careful not to drop the body or disturb electronic parts.
Leave the cover closed while the body is being removed from the base.
Installation is now complete. Be sure to turn the power
back on to your heating and /or air conditioning system. If this is the first time you are installing batteries,
the thermostat will display “SUN 12:00 AM”. Within 90 seconds the thermostat will begin to display the
room temperature alternately with the time. To correct the display, see “Setting the TIME and DAY,” after
you set the programs.
N O T E
Y
O
G
W
B
RHRC
L
TECHNICAL SERVICE
W3
If you are mounting the base to
a soft material like plasterboard
or if you are using the old
TERMINALS
If you have any problems installing or using this thermostat, please carefully and thoroughly review the
instruction manual. If you require assistance, please contact our Technical Assistance Department at 856-
234-8803 during regular business hours between 8:00AM and 4:30PM Eastern Standard Time, Monday
through Friday. You can also receive technical assistance online anytime day or night at http://www.luxprod-
ucts.com. Our web site offers you answers to the most common technical questions, and also permits you to
email your questions to our technical support staff at your convenience.
Y
O
mounting holes, the screws
may not hold. Drill a 3/16-in.
(4.8mm) hole at each screw
location, and insert the plastic
anchors provided. Then mount
the base as described below.
This thermostat is “armchair programmable”
OPERATION
You can make any program or setting
The Unit alternately displays the current time
and the room temperature. It also displays the
day of the week and the currently active pro-
changes with the thermostat body off or on
the wall thermostat base.
WARRANTY
Limited Warranty: If this unit fails because of defects in materials or workmanship within three years of date
of original purchase, LUX will, at its option, repair or replace it. This warranty does not cover damage by acci-
dent, misuse, or failure to follow installation instructions. Implied warranties are limited in duration to three
years from date of original purchase. Some states do not allow limitations on how long an implied warranty
lasts, so the above limitation may not apply to you. Please return malfunctioning or defective units to the par-
ticipating retailer from which purchase was made, along with proof of purchase. Please refer to "TECHNICAL
ASSISTANCE" before returning thermostat. Purchaser assumes all risks and liability for incidental and conse-
quential damage resulting from installation and use of this unit. Some states do not allow the exclusion of
incidental or consequential damages, so the above exclusion may not apply to you. This warranty gives you
specific legal rights and you may also have other rights which vary from state to state. Applicable in the
U.S.A. only.
BASE
SCREW
gram period that is controlling the temperature: MORN, DAY, EVE, or NIght.
ANCHORS
The set point temperature will appear in the right side of the display. In the winter, set the system switch
to HEAT to control your heating system. In the summer, set the switch to COOL to control your air
conditioner. In spring and fall or when windows are open, you can set the system switch OFF.
Attaching Wires
4. Hold the base against the wall, with the wires coming through wherever it
is convenient for wiring. Route the wires to below the terminal block.
Position the base for best appearance (to hide any marks from an old
thermostat). An optional wall plate is included for covering old mounting
holes. Attach the base to the wall with the two screws provided.
Setting the FAN switch to AUTO automatically
N
O
T
E
runs your system’s fan during heating and cooling.
Setting the FAN switch to ON runs your system’s
fan continuously even without heating or cooling.
The FAN switch works only if your system
provides a wire for the Unit’s “G” terminal.
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© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
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