Lux Products TX500 Owner's Manual

INSTALLATION AND OPERATING INSTRUCTIONS
®
SMART TEMP ELECTRONIC THERMOSTAT
MORN
MO
H
E
A
T
EVE
NIGHT
PM
UP
MO
MORN
H
E
A
T
DAY
DOWN
EVE
NIGHT
PM
SET
SUNDAY
PROGRAM
SET
WEEKDAY
PROGRAM
SET
DAY/TIME
RUN
UP
MO
MORN
NIGHT
FAN
AUTO
HEAT
HOLD
ON
COOL
PM
SET
SUNDAY
PROGRAM
SET
WEEKDAY
PROGRAM
SET
DAY/TIME
NEXT
500
RUN
HEAT
ON
COOL
OFF
NEXT
Patents Pending
SIMPLIFIED INSTRUCTIONS
Installs Easily
FAN
AUTO
HOLD
500
Patents Pending
TO SET TIME & DAY
• Rotate Dial to set DAY/TIME.
Easy as
1–2–3
DOWN
RESET
OFF
TO SET PROGRAMS
• Rotate Dial to SET
WEEKDAY
SIMPLIFIED INSTRUCTIONS
TEMPORARY TEMPERATURE
OVERRIDE
P
UP/DOWN t
TO SET TIME & DAY
• Rotate Dial to set DAY/TIME.
Set Day & Time
TEMPORARY TEMPERATURE
OVERRIDE
TO SET PROGRAMS
• Rotate Dial to SET
Choose Heat or Cool
Complete, Easy To Read Programming And Installation Instructions
LUX PRODUCTS CORPORATION • Philadelphia, PA 19112
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.
52016
I M P O RTA N T !
Thank you for your confidence in our product. To obtain the best
THE
results from your investment, please read this manual and acquaint
READ
yourself with your purchase before installing your new thermostat.
ION
T
A
L
L
A
Then follow the installation procedures, one step at a time. This
INST
S
will save you time and minimize the chance of damaging the
CTION
U
R
T
S
IN
thermostat and the systems it controls. These instructions may
contain information beyond that required for your particular instalFIRST.
lation. Please save for future reference.
The Set Temperature
LUX
Speed Dial®
FEATURES
Liquid
The Active
Crystal
Program Period Display
• The TX500 can be used with most 24
volt gas, oil or electric heating and air
conditioning systems or gas millivolt
heating systems. It cannot be used
with 120 volt heating systems or heat
pumps. Ask your dealer for other LUX
thermostats to control those systems.
MO
MORN
H
E
A
T
DAY
EVE
NIGHT
• The TX500 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
TX500 provides separate programming
for weekdays and weekends — for both
heating and cooling. You can override the
programmed temperatures for as little as one
programming period or for an entire vacation.
PM
SET
SUNDAY
PROGRAM
SET
WEEKDAY
PROGRAM
RUN
Drill with 3⁄ 16-in. (4.8mm) bit
RESET
Switch electricity to the furnace and air conditioner OFF; then
proceed with the following steps.
Fan Switch
Y
W
System Switch
FAN
AUTO
HEAT
1. Remove cover from old thermostat.
Most are snap-on types and simply
pull off. Some have locking screws
on the side. These must be
loosened.
ON
COOL
NEXT
500
Patents Pending
SIMPLIFIED INSTRUCTIONS
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 PROGRAMS
• Rotate Dial to SET
WEEKDAY,
SATURDAY or
SUNDAY PROGRAM.
• Press UP/DOWN to
adjust start time.
• Press NEXT.
• Press UP/DOWN to
adjust temperature.
• Press NEXT.
• Repeat as needed or
rotate dial to RUN to
stop Programming.
TO SET TIME & DAY
• Rotate Dial to set DAY/TIME.
• Press UP to change
current day.
• Press NEXT.
• Press UP/DOWN to set time.
Rotate the
dial to
the RUN
position
to close
the door.
®
Y
W
Y
R
W
1. Strip insulation 3⁄8 in.
(9.5mm) from wire
ends and clean off
any corrosion.
TEMPERATURE HOLD
• Press HOLD. Adjust temperature
as desired with UP/DOWN.
•To clear, press HOLD again.
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.
C
A
U
T
I
O
N
Be careful not to drop the body or disturb electronic parts.
Leave the cover closed while the body is being removed
from the base.
Base
Terminals
®
N O T E
G
I
O
Y
W RH RC
N
• Your thermostat is a precision instrument. Please handle it with care.
• 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.
• 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.
R
W
G
T
2. Fill wall opening with
non-combustible
insulation to prevent
drafts from affecting
the thermostat.
Thermostat
Body/Sub-base
WARNING: Use Energizer or DURACELL Alkaline Batteries Only.
U
Read instructions carefully
before removing any wiring
from existing thermostat.
Wires must be labeled before
they are removed. When
removing wires from their
terminals, ignore the color of
the wires since these may
not comply with the
standard.
2. Note the letters printed near the terminals. Attach labels (enclosed) to each wire for identification. Remove and label wires one at a time. Make sure the wires do not fall back inside
the wall.
3. Loosen all screws on the old thermostat and remove it from the wall.
MOUNTING THETX500 ON THE WALL
OFF
• In cool weather, when the system switch is set to HEAT, the TX500 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 TX500 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.
• 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.
A
CAUTION
REMOVING THE OLD THERMOSTAT
UP
Thermostat Cover
C
OFF
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.
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.
6. Do not install the unit until all construction work and painting has been completed.
7. This thermostat does not require leveling.
DOWN
HOLD
SET
DAY/TIME
TOOLS REQUIRED
#1 Phillips screwdriver (small)
THERMOSTAT LOCATION
On replacement installations, mount the
new thermostat in place of the old one unless
the conditions listed below suggest otherwise.
On new installations, follow the guidelines listed below.
UP
H
E
A
T
DAY
EVE
DOWN
RESET
C A U T I O N
To avoid electrical shock
and to prevent damage to
the 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.
Please read all instructions carefully before
beginning installation.
TX500b SERIES
DAY
INSTALLATION
If you are mounting the base to a soft material
like plasterboard or if you are using the old
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.
Latch Button
Screw Anchors (2)
© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
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). Attach the base to the wall
with the two screws provided.
TYPICAL COOLING AND
HEATING SYSTEM
(4-WIRE)
TYPICAL COOLING AND
HEATING SYSTEM
(5-WIRE)
G
G
Y
W RH RC
Y
FAN
FAN
C
A
U
T
I
O
N
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 5 electrical terminal screws.
GAS
VALVE
W RH RC
GAS
VALVE
COOL
COMP
COOL
COMP
24 VAC HEAT
TRANSFORMER
110
24 VAC COOL
TRANSFORMER
24 VAC HEAT
TRANSFORMER
110
Figure 10
WIRING DIAGRAMS
REMOVE
JUMPER
BETWEEN
RH & RC
110
Figure 11
INSTALLING BATTERIES/ MAINTENANCE
The TX500 requires two new Energizer ® or DURACELL ® "AA" size
alkaline batteries to operate your furnace and retain its programming in
memory. Replace the batteries when the LO BATT indicator appears in the
display or at least once a year.
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.
DAY
1. Remove fresh batteries from their carton.
EVE
2. Remove body of thermostat as described
NIGHT
LO
at bottom of first column.
3. Remove the used batteries.
4. Install two new Energizer® or DURACELL® "AA"
size alkaline batteries in the battery compartment.
Observe the polarity marking shown in the compartment.
Place body back on wall.
5. Place the body back on the wall. Hook the top of the
body onto the base, swing the body down and snap the
body onto the base.
BATT
REPLACE BATTERIES
WHEN INDICATOR
APPEARS
Heat Selector
ELECT
GAS
WARNING: Use Energizer® or DURACELL®
Alkaline Batteries Only.
Battery Compartment
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
When replacing batteries, you
have approximately 1 minute
before programs are lost.
TECHNICAL ASSISTANCE
These diagrams are provided for new installations or unreferenced wires.
TYPICAL HOOKUP FOR 2-WIRE
24V HEATING SYSTEM AND
MILLIVOLT SYSTEM
G
Y
W RH RC
GAS
VALVE
TYPICAL HOOKUP FOR 3-WIRE
HEAT SYSTEM IF THIRD
WIRE IS FAN WIRE
G
FAN
Y
W RH RC
GAS
VALVE
24 VAC
TRANSFORMER
OR
THERMOPILE
110
24 VAC
TRANSFORMER
Figure 8
Figure 9
110
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.luxproducts.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.
WARRANTY
Limited Warranty: If this unit fails because of defects in materials or workmanship
within three years of date of original purchase, LUX Products Corporation will, at its
option, repair or replace it. This warranty does not cover damage by accident, 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 participating 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 consequential 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.
TEMPERATURE OVERRIDE AND TEMPERATURE HOLD
OPERATION
These features let you change the current Set Temperature without changing the programs
stored in your thermostat’s memory.
This thermostat is “armchair programmable.” You can make any program or
setting changes with the thermostat body off or on the wall thermostat base.
The TX500 alternately displays the current time and the room temperature. It also displays
the day of the week and the currently active control program that is controlling the temperature:
MORN, DAY, EVE, or NIGHT.
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.
Setting the FAN switch to AUTO automatically 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.
N
O
T
TEMPORARY TEMPERATURE OVERRIDE
MORN
• Press UP/DOWN to change the current temperature
setting. The OVERRIDE indicator appears on display.
• 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 temperature
appears. OVERRIDE indicator will disappear
from display.
MO
H
E
A
T
DAY
EVE
PM
OVERRIDE
NIGHT
VACATION TEMPERATURE HOLD
E
The FAN switch works only if your system provides a wire for the TX500’s “G” terminal.
MORN
THE BUILT-IN ENERGY STAR® PROGRAMS
Push in the RESET key. This
sets the built-in heating and cooling
programs. To review the built-in
programs, rotate the dial to SET
WEEKDAY PROGRAM or SET
WEEKEND PROGRAM.
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.
WEEKDAYS
preprograms
SAT & SUN
preprograms
H
E
A
T
EVE
PM
NIGHT
PERIOD
HEAT
COOL
MORN
DAY
EVE
NIGHT
6:00 AM 70°
8:00 AM 62°
6:00 PM 70°
10:00 PM 62°
6:00 AM 78°
8:00 AM 85°
6:00 PM 78°
10:00 PM 82°
MORN
DAY
EVE
NIGHT
6:00 AM 70°
8:00 AM 62°
6:00 PM 70°
10:00 PM 62°
6:00 AM 78°
8:00 AM 85°
6:00 PM 78°
10:00 PM 82°
• 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.
MO
DAY
HOLD
ADVANCED FEATURES
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.
The dial must be in the RUN position to close the door.
You can change any of the preset times and/or temperatures to suit your schedules for the
weekday and weekend programs. Each day is divided into four periods: Morning, Day,
Evening, and Night. Each period is programmed for HEAT and for COOL.
A blank programming chart is provided below for you to record your temperature settings in
that chart.
HEAT
OFF
COOL
Select HEAT to program the TX500 for
controlling your heater.
OR Select COOL to program the TX500 for
controlling your air conditioner.
MORN
MO
TU
WE
TH
FR
H
E
A
T
DAY
EVE
NIGHT
AM
Rotate dial to SET WEEKDAY PROGRAM. To program the WEEKEND, rotate the dial to SET
WEEKEND PROGRAM. With dial on SET WEEKDAY PROGRAM, you will see this display.
To program temperature.
To change the start time
for EVE.
To program temperature.
To change the temp.
setting for MORN.
To move to DAY.
To change the temp.
setting for EVE.
To move to NIGHT.
To change start time
for DAY.
To program temperature.
To change the start time
for NIGHT.
To program temperature.
To change the start time
for MORN.
To change the temp.
setting for DAY.
To move to EVE.
Press together
SWING SETTINGS
PROGRAMMING THE TX500
To change the temp.
setting for NIGHT.
Rotate dial to RUN position to
start the programs.
SETTING THE TIME AND DAY
DAY
EVE
NIGHT
Press to set.
5 MIN/2 MIN MINIMUM ON/OFF TIME
Your thermostat has an internal timer built in to protect your compressor. The timer forces a minimum on/off
time of 5 minutes. You may change this minimum on/off time to 2 minutes. To accomplish this, place the
jumper labeled JP3 over both pins. You must press the small reset button on the face of the thermostat for
the changes to take effect.
CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK
• WARNING: Making these changes will require you to
reset
the thermostat. Copy any of your customized
programs onto the chart below. This will be your
reference to reenter the programs afterwards.
• Located at the top center of the thermostat are
two jumpers - C/F and 12/24.
• To change to Celsius - remove jumper - C/F.
• To change to a 24HR clock - remove jumper- 24/12H.
• Press the reset key on the front of the thermostat for
changes to take effect.
• Reprogram as necessary.
P R O G R A M M I N G
DAY
PERIOD
DAY
TEMP
PM
C
A
U
T
I
O
N
The TX500 is protected against normal static electric discharges.
However, in extremely dry weather you should touch another metal
object before the TX500 to avoid potential loss of programs.
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 flag pointing to 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.
To change
current day.
To set current time. The
time (e.g."12:00 AM")
will be flashing.
To change the
current time.
MON.
THRU
FRI.
SAT.
and
SUN.
MORN
DAY
EVE
NIGHT
MORN
DAY
EVE
NIGHT
RC RH W
Y
G
ELEC
GAS
JP3
JP2
JP1
CLOSE OPEN
5MIN 2MIN
C
F
12HR 24HR
JP3
JP2
JP1
C H A R T
HEAT
TIME
SU
To change
swing
Dial must be in
the run position
MORN
COOL
TEMP.
TIME
TEMP.

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