Lux Products TX500b - Manual (Page 2)

TYPICAL COOLING AND
HEATING SYSTEM
(4-WIRE)
G Y W RH RC
Figure 10
110
GAS
VALVE
COOL
COMP
FAN
24 VAC HEAT
TRANSFORMER
110
TYPICAL COOLING AND
HEATING SYSTEM
(5-WIRE)
G Y W RH RC
FAN
COOL
COMP
GAS
VALVE
24 VAC HEAT
TRANSFORMER
110
Figure 11
24 VAC COOL
TRANSFORMER
REMOVE
JUMPER
BETWEEN
RH & RC
1. Remove fresh batteries from their carton.
2. Remove body of thermostat as described
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.
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
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.
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.
TECHNICAL ASSISTANCE
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.
N O T E
When replacing batteries, you
have approximately 1 minute
before programs are lost.
ELECT GAS
DAY
EVE
NIGHT
LO B ATT
REPLACE BATTERIES
WHEN INDICATOR
APPEARS
Heat Selector
Battery Compartment
WARNING: Use Energizer ® or DURACELL ®
Alkaline Batteries Only.
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.
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.
ATTACHING WIRES
TYPICAL HOOKUP FOR 3-WIRE
HEAT SYSTEM IF THIRD
WIRE IS FAN WIRE
TYPICAL HOOKUP FOR 2-WIRE
24V HEATING SYSTEM AND
MILLIVOLT SYSTEM
G Y W RH RC
Figure 8
GAS
VALVE
110
24 VAC
TRANSFORMER
OR
THERMOPILE
G Y W RH RC
Figure 9
GAS
VALVE
110
FAN
24 VAC
TRANSFORMER
These diagrams are provided for new installations or unreferenced wires.
WIRING DIAGRAMS