Lux Products Water Heater TX1500 User Manual

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Your thermostat is a precision instrument. Please handle it with care.  
INSTALLATION AND OPERATING INSTRUCTIONS  
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.  
TX1500b SERIES  
®
• All wiring must conform to local codes and ordinances.  
SMART TEMP ELECTRONIC THERMOSTAT  
• 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.  
UP  
Y
HEAT  
M  
DOWN  
MO  
UP  
MO  
UP  
DAY  
DAY  
HEAT  
HEAT  
PM  
DOWN  
P
DOWN  
Easy as  
1–2–3  
SET  
SATURDA  
PROGRAM  
SET  
SUNDA  
SET  
SATURDA  
PROGRAM  
T  
A  
Y
Y
Y
Y
RESET  
RESET  
PROGRAM  
FAN  
ORAM  
FAN  
HEA  
T
HEAT  
AUTO  
AUTO  
SET  
WEEKDA  
O
ET  
EEKDA  
OFF  
FILTER  
HOLD  
NEXT  
Y
FILTER  
HOLD  
ON  
Y
ON  
COOL  
PROGRAM  
PA
SET  
DAY/TIME  
RUN  
RUN  
NEXT  
1500  
1500  
P
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P
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d
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g
P
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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  
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  
LUX PRODUCTS CORPORATION • Mt. Laurel, New Jersey 08054, USA  
INSTALLATION  
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.  
C A U T I O N  
To avoid electrical shock and  
Please read all instructions carefully  
52017  
to prevent damage to the  
F
OF  
before beginning installation.  
TOOLS REQUIRED  
furnace, air conditioner, and  
Complete, Easy To Read Programming And Installation Instructions Inside  
thermostat, disconnect the power  
supply before beginning work. This  
can be done at the fuse box, at the  
circuit breaker, or at the appliance.  
#1 Phillips screwdriver (small)  
I M P O R T A N T !  
Drill with 3/16-in. (4.8mm) bit  
THERMOSTAT LOCATION  
On replacement installations, mount  
the new thermostat in place of the old  
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  
READ  
INSTALLATION  
one unless the conditions listed below suggest otherwise. On new installations, follow  
the guidelines listed below.  
INSTRUCTIONS 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.  
FIRST  
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.  
FEATURES  
The TX1500 can  
The Active Program Period  
be used with  
most 24 volt  
The Set Temperature  
Lux Speed Dial®  
Liquid Crystal  
Display  
gas, oil or electric  
heating and air  
conditioning  
systems, single-stage  
heat pumps or gas  
millivolt heating  
systems.  
It cannot be used  
with 120 volt heating  
systems or multistage  
heat pumps. Ask your  
dealer for other LUX  
thermostats to  
Thermostat  
Body  
System  
Switch  
Fan Switch  
C A U T I O N  
REMOVING THE OLD THERMOSTAT  
Switch electricity to the furnace and air conditioner OFF;  
then proceed with the following steps.  
Read instructions carefully  
Easy to  
before removing any  
wiring from existing  
control those  
systems.  
The TX1500 is  
follow  
instructions  
1. Remove cover from old  
thermostat. Wires must be  
labeled before they are  
removed. When removing  
wires from their terminals,  
ignore the color of the  
programmable. There  
are four  
thermostat. Most are snap-on  
types and simply pull off. Some  
have locking screws on the  
side. These must be loosened.  
Thermostat  
Cover  
programming periods  
per day. Each period  
Button to Light Display  
can be programmed separately.  
wires since these may not  
comply with the standard.  
Easy to use Lux Speed Dial®.  
2. Note the letters printed near the terminals. Attach labels  
(enclosed) to each wire for identification. Remove and label  
You can use the built-in time/temperature programs, or alter them to suit your  
schedule. The TX1500 provides separate programming for weekdays, Saturday, and  
Sunday — for both heating and cooling. You can override the programmed temperatures  
for as little as one programming period or for an entire vacation.  
In cool weather, when the system switch is set to HEAT, the TX1500 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 TX1500 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.  
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 THE TX1500 ON THE WALL  
2. Fill wall opening with  
1. Strip insulation  
3/8 in. (9.5mm)  
from wire ends  
and clean off  
R
non-combustible  
insulation to prevent  
drafts from affecting  
the thermostat.  
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.  
any corrosion.  
Temperature swing adjustment lets you fine-tune your system for maximum  
comfort and economy.  
5/2 Minute Selectable Minimum Run/Off Time for Short Cycle/Compressor Protection  
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.  
Two Energizer® or DURACELL® AA” alkaline batteries (not included) are used to retain your  
time and temperature program and to light the display.  
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Be careful not to drop the body or disturb electronic parts.  
Leave the cover closed while the body is being removed from the base.  
© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED  
 
VACATION TEMPERATURE HOLD  
OPERATION  
This thermostat is armchair programmable”  
You can make any program or setting  
changes with the thermostat body off or on  
the wall thermostat base.  
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.  
TU  
EVE  
HOLD  
HEAT  
The TX1500 alternately displays the  
current time and the room  
HOLD  
PM  
temperature. It also displays the day of  
the week and the currently active program period 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.  
ADVANCED FEATURES  
Setting the FAN switch to AUTO  
N
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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.  
FILTER USAGE MONITOR  
The FAN switch works only if your system  
provides a wire for the TX1500’s “G” terminal.  
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.  
Rotate the dial  
to FILTER  
To reset the  
counter  
THE BUILT-IN ENERGY STAR® PROGRAMS  
UP  
HR  
FILTER  
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 / SATURDAY / SUNDAY  
PROGRAM.  
PERIOD  
HEAT  
COOL  
To change the FILTER Usage Monitor limit  
Rotate the dial to FILTER  
WEEKDAYS  
preprograms  
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°  
SET  
To change the  
limit from  
0-500 hours  
Hold for two  
DOWN  
UP  
NEXT  
HR  
seconds  
FILTER  
NIGHT 10:00 PM 62° 10:00 PM 82°  
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.  
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°  
To disable the FILTER Usage Monitor set the limit to 0 hours  
SAT & SUN  
preprograms  
TEMPERATURE SWING  
NIGHT 10:00 PM 62° 10:00 PM 82°  
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.”  
The dial must be in the RUN  
position to close the door.  
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.  
PROGRAMMING THE TX1500  
You can change any preset times and/or temperatures to suit your schedules for the  
weekday, Saturday and Sunday programs. Each period (Morning,  
PROGRAM MO TU WE TH FR  
FOR: MORN  
SET TEMP  
Day, Evening, and Night) is programmed for HEAT and for COOL.  
START AT:  
AM  
HEAT  
HOLD  
UP  
NEXT  
SWING SETTINGS  
Press together  
HEAT  
OFF  
Select HEAT to program the  
TX1500 for controlling your heater.  
OR  
Select COOL to program the  
TX1500 for controlling your air conditioner.  
SET TEMP SWING  
Dial must be in  
the run position  
COOL  
To change  
swing  
DOWN  
Rotate dial to SET WEEKDAY PROGRAM. To program SATURDAY or SUNDAY, rotate the  
dial to SET SATURDAY or SET SUNDAY PROGRAM. With dial on SET WEEKDAY  
PROGRAM, you will see the display above.  
NEXT  
Press to set.  
To change the start  
time for MORN.  
To change the start  
time for EVE.  
DOWN  
DOWN  
UP  
UP  
TEMPERATURE CALIBRATION  
Press together  
HOLD  
UP  
NEXT  
NEXT  
UP  
NEXT  
UP  
To program temperature.  
To program temperature.  
Rotate the dial to  
SET DAY/TIME  
To adjust the  
thermostat  
DOWN  
To change the temp.  
DOWN  
DOWN  
To change the temp.  
setting for MORN.  
To move to DAY.  
To change start time  
for DAY.  
setting for EVE.  
To move to NIGHT.  
To change the start  
time for NIGHT.  
To program temperature.  
To change the temp.  
setting for NIGHT.  
NEXT  
UP  
NEXT  
UP  
PROGRAM LOCK  
DOWN  
DOWN  
TH  
MORN  
To prevent tampering with set programs.  
The sequence of keys to lock and unlock the program:  
NEXT  
UP  
NEXT  
UP  
To program temperature.  
HEAT  
AM  
DOWN  
DOWN  
NEXT  
NEXT  
HOLD  
NEXT  
To change the temp.  
setting for DAY.  
NEXT  
Rotate dial to RUN position to  
start the programs.  
To move to EVE.  
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SETTING THE TIME AND DAY  
Making these changes will require you to reset the thermostat. Copy any of your customized  
programs onto the blank chart. This will be your reference to re-enter the programs afterwards.  
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SU  
DAY  
The TX1500 is protected against normal static electric discharges.  
However, in extremely dry weather you should touch another metal object  
before the TX1500 to avoid potential loss of programs.  
PM  
CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK  
WARNING: Making these changes will require you to reset the thermostat.  
Located to the right of the gas electric switch are two black jumpers C/F and 24/12H.  
To change to Celsius - remove jumper - C/F.  
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.  
SW1  
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.  
ELECT  
RL1  
GAS  
5/2 MIN  
ON/OFF  
C/F  
24/12H  
UP  
To change  
current day.  
To set current time. The (e.g.  
12:00) will be flashing.  
To change the  
current time.  
UP  
NEXT  
Reprogram as necessary.  
DOWN  
These features let you change the current Set  
Temperature without changing the programs stored  
in your thermostat’s memory.  
TEMPERATURE OVERRIDE AND  
TEMPERATURE HOLD  
5 MIN/ 2 MIN MINIMUM ON/OFF TIME  
TEMPORARY  
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, remove the jumper labeled 5/2 MIN. You must press the small reset button on  
the face of the thermostat for the changes to take effect.  
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.  
TEMPERATURE OVERRIDE  
UP  
TU  
EVE  
OVERRIDE  
HEAT  
DOWN  
PM  
 

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