Lux Products Thermostat PSP721U User Manual

PSP721U

SMART TEMP UNIVERSAL PROGRAMMABLE THERMOSTAT

FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS

52033

INSTALLATION AND OPERATING INSTRUCTIONS

IMPORTANT!

• Please read all instructions carefully before beginning installation

• Label the terminal designations on your existing wiring before

removing your existing thermostat

• Ignore the color of the wires since they may not comply with any

standard.

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. Follow

the installation procedures carefully, and one step at a time.

This will save you time and minimize the chance of damaging

either the thermostat or the systems that it controls. These

instructions may contain information beyond that required for

your particular installation.

1. SYSTEM COMPATIBILITY . . . . . . . . 2

2. FEATURES . . . . . . . . . . . . . . . . . . 3

3. TOOLS REQUIRED . . . . . . . . . . . . . 3

4. SELECTING A LOCATION. . . . . . . . . 4

5. REMOVE OLD THERMOSTAT . . . . . . 5

6. MOUNT NEW THERMOSTAT . . . . . . 5

7. WIRING DIAGRAMS . . . . . . . . . . . . 6

8. HARDWARE SETUP OPTIONS . . . . 16

9. COMPLETE THE INSTALL . . . . . . . 18

10. FRONT PANEL ITEMS . . . . . . . . . . 19

11. OPERATING INSTRUCTIONS . . . . . 20

12. ADVANCED FEATURES . . . . . . . . . 24

13. PROGRAMMING . . . . . . . . . . . . . 29

14. BATTERIES AND MAINTENANCE. . . 30

15. TECHNICAL ASSISTANCE . . . . . . . 31

16. WARRANTY. . . . . . . . . . . . . . . . . 31

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.

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2. THERMOSTAT FEATURES

• Universal Compatibility (Conventional or Heat Pump)

• 7 Day Programming

• 4 Periods per Day

• Quick Copy Programming

• Exclusive LUX Speed Dial^®

• Luxlight^®EL (Electro-Luminescent) Illuminated Display

• Filter Monitor

• Programmable Keypad Lock

• Optional Smart Recovery

• Temperature Hold

• Temporary Temperature Override

• Energy Star Compliant

• Battery Free Memory Storage

• F/C Temperature Display

• 12/24 Hr Clock Display

• Adjustable Temperature Differential / Cycle Rate

• User Temperature Calibration

• System or Battery Powered

• 5/2 Minute Selectable Minimum Run/Off Time for

Equipment Protection

Please read all of these instructions carefully before

beginning installation, and save this manual for future

reference.

3. TOOLS REQUIRED

• #1 Phillips screwdriver

• Drill with 3/16 in. (4.8mm) bit

• Wire Stripper / Cutter

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CAUTION:

This thermostat is protected against normal static electric

discharges; however touching a grounded metal object

before touching your thermostat will minimize the risk of

damaging the unit in extremely dry weather.

4. SELECTING A 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.

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 locate where air circulation is poor, such as in a

corner or an alcove, or behind an open door.

3. Do not install it where there are unusual heating

conditions, such as: in direct sunlight; near a lamp,

television, radiator, register, or fireplace; near hot water

pipes in a wall; near a stove on the other side of a wall.

4. 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.

5. Do not locate in a damp area. This can lead to corrosion

that may shorten thermostat life.

6. If painting or construction work has yet to be completed,

cover the unit completely or do not install it.

WARNING:

• Read instructions carefully before removing any wires from

your existing thermostat.

• All wiring must conform to the local codes and ordinances

that are in your particular location.

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• Your thermostat is a precision electronic instrument; please

handle it with care to avoid damage.

5. REMOVE OLD THERMOSTAT

1. Turn OFF the electricity to all heating and

cooling components. Do not turn the

electricity back on until all work is

completed.

2. Remove the cover and front portion of your old thermostat

to expose the wiring connections.

3. Write down the letters printed near each wire terminal that

is used, and the color of the wire that is connected to it.

Using the enclosed labels, attach a label to each of your

wires so that the letter matches the marking on your

existing thermostat.

4. When they are all labeled, carefully remove the wires one

at a time, making sure that they do not fall back inside the

wall. Do not allow any of the bare wire ends to touch

each other, or any parts on the thermostat.

5. Loosen all of the screws on the old thermostat and

remove it from the wall.

6. MOUNT THE NEW THERMOSTAT

1. Strip insulation leaving 3/8 in. (9.5mm) bare wire ends

and clean off any corrosion.

2. Fill wall opening with non-combustible insulation to

prevent drafts from affecting the thermostat.

CAUTION:

Be careful not to drop the unit or disturb electronic parts.

Leave the door closed while the body is being removed from

the base.

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3. Remove the body from the thermostat’s base by pressing

the thumb latch at the bottom center of the unit and

swinging the body away from the base.

NOTE:

If you are mounting the base to 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, and insert the plastic anchors provided.

4. Hold the base against the wall. Route the wires through

the hole 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.

7. WIRING INFORMATION AND DIAGRAMS

CONNECTING THE WIRES

5. Wires must be trapped between the black

clamps and the brass terminals as shown

here.

6. Securely tighten all of the electrical terminal

screws, including any unused ones.

WIRING DIAGRAM NOTES:

(Important, please read all notes before connecting wires)

• If the information provided does not clearly represent your

system configuration, please refer to the “TECHNICAL

ASSISTANCE” section of this manual, and contact our

support department before removing any of your existing

thermostat wiring.

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• All of the dashed wires shown in the following wiring

diagrams are either optional, or their usage depends upon

your specific system type or brand. For example: Diagram

#1 shows the fan wire as optional. If your system does not

have a fan, than this terminal will not be used.

• The optional “C” terminal is used for powering the

thermostat by the 24 Volt system power. This can be used

alone, or in addition to installing batteries.

• If “Y” and “C” wires are both present, then “C” is most

likely a system common wire.

• For Heat Pump systems, use either the “O” terminal or the

“B” terminal, but not both. If an “O” and a “B” wire are

both present, “B” is likely a system common and may be

connected to the “C” terminal. Connecting system

common power to this thermostat’s “B” terminal may

damage the thermostat, and also your system.

• If replacing a Honeywell TM-11, tape off the “R” wire.

Connect the “B” wire to the “RH” terminal.

• If replacing an old thermostat that has a mechanical clock,

there may be two wires labeled as “C” for the clock power.

Tape off these wires and do not connect them to the “C”

terminal of this thermostat.

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8. HARDWARE SETUP OPTIONS

NOTE:

All of the settings, options, and components listed in the

following section are located on the rear of the thermostat,

on the circuit board.

GAS/ELEC. FAN OPERATION

ELECRIC

This is a plastic jumper cap, which is

JP2

labeled as JP2. This jumper must remain

installed, and can be in one of two

positions, GAS or ELECTRIC.

GAS

This setting changes how the system’s blower fan (if

applicable) is controlled while in HEAT mode, and with the

Fan switch in the AUTO position. This setting does not

affect fan operation while in COOL mode. When set to

“Gas”, the fan is controlled solely by the heating system

itself. When set to “Electric”, the fan is controlled directly

by the thermostat. NOTE: If your blower fan does not

operate properly after installation, move the Gas / Electric

option to the “Electric” setting.

OPTION SWITCHES:

The following option settings are all located

within a group of small switches labeled 1

through 6 as shown, and are located in the

center of the circuit board. Changes made to

any of these switches are recognized on

initial power up, or when the front panel

Temperature Mode switch position has been

altered in any direction if the thermostat is

already being powered by batteries.

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[1] SYSTEM MODE

This setting tells the thermostat about the type of heating

and cooling equipment that it is controlling, so that the

system is operated properly. This switch needs to be in the

OFF (NON-HP) position if you have a furnace or conventional

heating and air conditioning system. If you have a Heat

Pump system, the switch needs to be in the ON (HP)

position; this is applicable even if your heat pump system

has an auxiliary heat stage that is a gas furnace.

[2] RECOVERY

The Early Recovery feature affects how the thermostat

transitions from an energy saving setback temperature, to a

comfort temperature. Normally the change in temperature

only starts to occur at an upcoming period's start time.

With Early Recovery Disabled: If you have programmed your

thermostat for 70°F at 5:00PM, the thermostat will only

begin to heat your home back up when the time reaches

5:00PM. With Early Recovery Enabled: Using the same

scenario as above, the thermostat will calculate the best time

to turn on the heater, so that the temperature in your home

reaches 70°F as close to 5:00PM as possible. During the

time that the thermostat is performing a recovery, the words

“IN RECOVERY” will flash in the temperature portion of the

display screen. Switch position OFF is Recovery Disabled,

and ON is Recovery Enabled.

[3] DELAY

This sets the minimum length of time that Heat or Cool must

remain either On or Off, before it will automatically switch to

the alternate On or Off state. This Delay prevents rapid

cycling of your system and provides equipment protection

for cooling units. Switch position OFF is a 5 minute delay,

and ON is a 2 minute delay. 5 minutes is the default setting,

and is good for most applications. If you feel that your

system is trying to cycle more rapidly than every 5 minutes,

you may try the 2 minute setting.

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[4] SCALE

This setting determines how the thermostat displays all

temperatures on the screen. Switch position OFF is F°, and

ON is C°.

[5] TIME

This setting determines how the thermostat displays the

clock and all other time values on the screen. Switch

position OFF is 12 HR (US Standard), and ON is 24 HR

(Military Time).

[6] BATTERY MONITOR

This determines whether the internal battery voltage monitor

watches the condition of the batteries that are installed in the

thermostat. This setting should always remain enabled

unless the thermostat is being powered by System Power

alone, without any batteries present. Switch position OFF is

Battery Monitor On (Enabled), and Switch position ON is

Battery Monitor Off (Disabled).

WARNING:

Undesired operation may result if the battery monitor is set

to “Disabled” while this thermostat has batteries installed.

9. COMPLETING THE INSTALLATION

Once all hardware option settings are performed, install two

new Energizer^®or DURACELL^®"AA" size alkaline batteries

before continuing further. Ensure that the batteries are

installed in the proper direction as per the markings shown

in the battery tray. If batteries were already installed before

setting changes were performed, simply change the

Temperature Mode switch on the front panel to any other

position so that the new settings may be recognized by the

thermostat.

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NOTE:

When you are finished performing your installation and setup

options, please remove the thin plastic film that is protecting

the LCD display screen on the front of the thermostat. This

plastic may or may not be present, and is evident by the

appearance of fake digits appearing on the display screen.

10. FRONT PANEL ITEMS

RESET

The RESET button is a small recessed push button that is

located right above the NEXT button behind the front door.

This button can be pushed with a pencil or the end of a

paper clip. This reset returns the heating and cooling

programs to their default Energy Star values, resets the filter

counter, and all other user changeable software options to

their default values. It is recommended that you write down

your current heating and cooling program start times and

temperatures prior to pressing the software reset button.

MODE SWITCHES

There are two mode switches on the front, a TEMPERATURE

Mode switch and a FAN Mode switch.

The TEMPERATURE Mode switch has three positions: HEAT,

OFF, and COOL. In the winter, set the switch to HEAT to

control your heating system. In the summer, set the switch

to COOL to control your cooling system. In the spring and

fall or when the windows are open, you can set the switch to

OFF to prevent heating or cooling operation.

The FAN Mode switch has two positions, AUTO and ON.

Setting the Fan switch to AUTO automatically runs your

system's blower fan as required, only during heating or

cooling activation. Setting the Fan switch to ON, runs your

system’s fan continuously, even if heating or cooling is not

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needed. With the Fan switch in the ON position, the fan will

operate even when the Temperature Mode switch is in the

OFF position to provide air circulation only. When the fan is

running, the word “FAN” is displayed in the temperature

portion of the display screen.

NOTE:

The Fan Mode switch only works if your system provides a

wire for the thermostat’s “G” wire terminal, to control a

blower fan. The Fan Mode switch has no effect in systems

that do not have a blower fan (such as a hot water radiator

system).

PUSH BUTTONS

There are five primary push buttons on the front of the

thermostat: The UP and DOWN arrow keys, the NEXT button,

The HOLD button, and the COPY/EMER button.

ROTARY DIAL

The LUX Speed Dial^®provides an easy way to quickly

navigate between the different programming areas. This

rotary dial has five individual positions and should always

remain in the RUN position, unless a specific action is being

performed in one of the other positions.

11. OPERATING INSTRUCTIONS

SET DAY/TIME

Rotate the dial to the SET DAY/TIME position. You should

see the word SET appear in the upper left corner of the

display, along with the clock and a day of the week that is

flashing. With the day flashing, press either the UP or

DOWN buttons to make the current day flashing. Press the

NEXT button; this should cause the time to start flashing and

the day to remain on steady. Using either the UP or DOWN

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buttons, adjust the clock to the current time, and make sure

that the proper AM or PM indication is observed as

appropriate. To assist with large adjustments, the clock

digits will increment rapidly in either direction if the UP or

DOWN buttons are held pressed for more than a few

seconds.

HEATING AND COOLING

Basic operation of your heating or cooling system can be

obtained by ensuring that the rotary dial is in the RUN

position, and simply moving the Temperature Mode switch to

either the HEAT or COOL position. Manual adjustment of the

set temperature can be performed at any time by using the

UP/DOWN buttons. While the words “SET TEMP” are being

displayed, you are able to adjust the set temperature to any

desired value within the normal operating range.

Prior to being set initially with your custom temperature

programs, the thermostat will follow the default Energy Star^®

approved temperature programs that are preset within the

thermostat’s memory. A table of the default heating and

cooling programs is shown below:

PERIOD

HEAT MODE

COOL MODE

MORN 6:00 AM 70 °F (21 °C) 6:00 AM 78 °F (26 °C)

DAY

EVE

8:00 AM 62 °F (17 °C) 8:00 AM 85 °F (29 °C)

6:00 PM 70 °F (21 °C) 6:00 PM 78 °F (26 °C)

NITE 10:00 PM 62 °F (17 °C) 10:00 PM 82 °F (28 °C)

WAIT ICON

On the far right edge of the display screen, the words

“WAIT” may show up flashing from time to time. This Wait

indicator appears if there is currently a demand present for

heating or cooling activation, but the minimum off time delay

has not yet been satisfied. This provides protection for your

heating and cooling equipment, but lets you know that the

system will turn on shortly if it is required.

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TEMPERATURE OVERRIDE

A Temperature Override occurs in Run mode, in either Heat

or Cool, anytime the user adjusts the set temperature to a

value that differs from the stored program temperature for

that day and time. When the thermostat is in an Override,

the word “OVERRIDE” will appear in the temperature area of

the display. The thermostat will temporarily maintain

thermal control using this new set temperature, until the

start time of the next program period is reached. At the start

of the next program period, the set temperature will return to

its programmed value for that period. To enter an Override

in either Heat or Cool mode, push either the UP or DOWN

buttons once and the set temperature will begin to flash.

Push either the UP or DOWN buttons again to the new

desired set temperature value. An Override may be cancelled

at any time by rotating the dial, changing the Temperature

Mode switch, or by initiating a Temperature Hold.

TEMPERATURE HOLD

A Temperature Hold is similar to an Override, but is used for

maintaining a constant set temperature for a longer duration.

Once a Hold is initiated, the thermostat will maintain the

Hold set temperature indefinitely. A Temperature Hold may

be used for days, weeks, or even months at a time. Press

the HOLD button once to enter a Hold, and the word “HOLD”

will appear in the temperature portion of the screen, along

with the set temperature flashing. While the set temperature

is flashing, press either the UP or DOWN buttons to adjust

the desired set temperature value. To cancel a Hold, press

the HOLD button once again, turn the rotary dial, or change

the Temperature Mode switch position. If a power loss

occurs while in a state of manual Temperature Hold, the

thermostat will return to Temperature Hold and maintain its

Hold set temperature after the power comes back on.

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EMERGENCY HEAT (Heat Pump Configuration Only)

While in normal Heat mode with the rotary dial in the RUN

position, one single press of the COPY/EMER button will

activate Emergency Heat mode. A single press again will end

Emergency Heat mode, and return back to normal Heat

mode. While in Emergency Heat mode, the word “EMER”

will be shown in the temperature portion of the display

screen. If a power loss occurs while in Emergency Heat

mode, the thermostat will continue to remain in Emergency

Heat mode even after the power comes back on.

Emergency Heat mode will prevent the first stage of your

heat pump system from turning on, and use only the “W2”

second stage heat terminal (Auxiliary Heat) as the primary

heating source. It may become too cold in some climates

for a heat pump alone to provide adequate heating without a

secondary heating device. As every heat pump has different

operating characteristics, you should refer to your heat

pump manufacturer's recommendations for when to disable

the heat pump and run in Emergency Heat mode.

NOTE:

This special Emergency Heat mode of operation only exists if

your System Mode hardware option is set to the HP (Heat

Pump) setting.

DISPLAY BACKLIGHT

Any button press will illuminate the display screen for about

12 seconds, even if the Keypad Lock is activated. Any

button press, mode switch change, or dial change while the

backlight is already illuminated, will reset the initial 12

second timeout.

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AIR FILTER MONITOR

In systems that have a blower fan and air ducts, this feature

is to assist you with proper maintenance and periodic

replacement of the filter located in your heating or cooling

system. The Air Filter Monitor counts the duration of filter

usage that has occurred, since the last time the Filter

Monitor has been reset. The Air Filter Monitor is for

information only, and does not affect the operation of your

heating or cooling equipment. When the filter usage

duration has expired, the words “CHANGE FILTER” will

appear at the bottom of the display as a reminder while in

Run mode.

To set and use the Air Filter Monitor, turn the dial to AIR

FILTER. The display will show the amount of filter usage

remaining. To reset the usage counter, or change the filter

usage duration, press the NEXT button. “SET: FILTER DAYS”

will be displayed on the screen, along with a number of

days. The available settings are: OFF, 30, 60, 90, 120, 180,

or 365 days. If your system does not have a filter, setting

the value to OFF will prevent the “CHANGE FILTER” from

showing up on the screen. Return the rotary dial to the RUN

position when you are finished adjusting the Air Filter

Monitor settings.

12. ADVANCED FEATURES

SWING AND OFFSET SETTINGS

SWING: A thermostat works by turning your heating or

cooling system on and off whenever the room temperature

varies from the set-point temperature. The amount of this

variation is called the swing. Your system should cycle on

about 3 to 6 times per hour. A smaller swing number

increases the number of cycles per hour, so the room

temperature is more precise and constant. A larger swing

number decreases the number of cycles per hour, but can

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save energy in some cases. There is only one Swing setting,

and this determines the cut-in and cut-out points for both

the first and second stages (if present), and affects both

heating and cooling. To change the Swing setting, ensure

that the System Mode switch is in the OFF position and the

rotary dial is in RUN. Press the HOLD button for at least 2

seconds. The words “SET:” and “SWING” will appear on the

screen with a single digit shown. Use the UP/DOWN buttons

to change the number value between 1 and 9 (0.25F to 2.25F,

in 0.25F degree increments). Number 1 is the default

setting. Press the NEXT button to accept the swing setting

and proceed to the OFFSET setting.

Cut-In / Cut-Out

(1^stStage)

70˚F Set

Temperature

Swing

Setting=

#2 (+/- 0.5˚F)

Offset **

Setting=

4˚F degrees

(2^ndStage) **

Cut-In / Cut-Out

DEGREES (F)

** = Only applies if a second

heat stage is present

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OFFSET: After the swing value has been accepted, the words

“SET:” and “OFFSET” will be shown on the screen. This

setting is shown as a number of degrees, and is similar in

nature to the swing however it only effects the operation of

the second (auxiliary) heating stage, if present. The setting

range for Offset is from 0 to 9 degrees. When set to 0

degrees, the second heating stage is disabled. A value from

1 to 9 degrees will determine the number of degrees from

the set point that will be required for the second heating

stage to turn on. This setting can be used to conserve

energy in cases where the second heating stage is costly to

operate when compared to the first stage.

USER TEMPERATURE CALIBRATION

The internal temperature sensor in this thermostat is

accurately calibrated at the factory and should not need to be

adjusted. The Temperature Calibration feature allows you to

manually offset the measured temperature by as much as

plus or minus 5°F (3°C) degrees from its original value.

This feature can be useful to match this thermostat to

another one or more, if multiple thermostats are used in the

same home. To change the Temperature Calibration: ensure

that the System Mode switch is in the OFF position, and the

rotary dial is in RUN. Press the COPY/EMER button for at

least 2 seconds. The words “SET:” and “CAL” will appear on

the screen with a single temperature digit shown. Use the

UP/DOWN buttons to change the number of degrees of

adjustment. 0° degrees is the default value. Press the NEXT

button to accept the setting.

PROGRAMMABLE KEYPAD LOCK

NOTE: The following examples use the default lock code of

“0000”. If you have altered the lock code to use your own

code, use that in place of “0000” in the following

instructions.

To prevent tampering with any of your settings, the front

panel buttons and rotary dial can be locked out, requiring a

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four-digit code to unlock them. You may use either the

default lock code of “0000”, or your own code number (see

“TO CHANGE THE LOCK CODE:”).

TO LOCK THE THERMOSTAT: Ensure the rotary dial is in the

RUN position. Press the NEXT button for at least 2 seconds.

The words “ENTER CODE” will appear on the screen, above

“0000”. Enter the correct code by using the UP/DOWN

buttons to change the flashing digit, and the NEXT button to

advance to the next digit. Press the NEXT button again for

at least 2 seconds. A padlock should appear on the screen

to confirm that the thermostat is now locked.

DAY

5 36

HEAT

TO UNLOCK THE THERMOSTAT: Ensure the rotary dial is in

the RUN position. A single press of any button will cause

the words “ENTER CODE” to appear on the screen, above

“0000”. Enter the correct code by using the UP/DOWN

buttons to change the flashing digit, and the NEXT button to

advance to the next digit. Press the NEXT button again for

at least 2 seconds. The padlock should disappear, and the

thermostat should now be unlocked.

If you try to unlock the thermostat by entering a code that is

not correct, a padlock and the digits “88:88” will flash on the

screen and you will have to try again to enter the correct

code. If a different lock code was used other than the

default of “0000”, this will need to be entered by using the

UP/DOWN buttons, and the NEXT button to advance to the

next digit. Once the correct code is entered, press the NEXT

button for at least 2 seconds. The padlock should disappear,

and the thermostat should now be unlocked.

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TO CHANGE THE LOCK CODE: First ensure that the

thermostat is unlocked and the rotary dial is in the RUN

position. Press the NEXT button for at least 2 seconds. The

words “ENTER CODE” will appear on the screen, above

“0000”. Now press the HOLD button for at least 2 seconds.

The words “SET CODE” will appear on the screen, along with

“0000”. Enter your desired code by using the UP/DOWN

buttons to change the flashing digit, and the NEXT button to

advance to the next digit. Press the NEXT button again for

at least 2 seconds. Enter your new code to lock the

thermostat, or you may wait for 12 seconds to exit

automatically without locking the thermostat.

IF YOU HAVE FORGOTTEN YOUR LOCK CODE: You can reset

the code to “0000” and then unlock the thermostat. On the

back of thermostat, locate JP1, which is a row of 3 gold pins

at the right edge of the circuit board above the battery tray.

There should be a plastic jumper cap on 2 of the 3 pins

(either right or left).

JP1

Remove the jumper cap, and place it on the opposite 2 pins.

Move the Temperature Mode switch on the front to any other

position than its current one. The lock code should now be

the default of “0000”, but still be in a locked state. Follow

the instructions listed in “UNLOCKING THE THERMOSTAT”,

and use the “0000” when entering the code.

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13. PROGRAMMING

SET HEAT PROGRAM

Rotate the dial to HEAT PROGRAM. You will be

programming the heat periods for all seven days, one after

the other starting with Monday. The first period is MORN.

Using the UP and DOWN buttons, set the start time for this

period, and then push the NEXT button to proceed. Now set

the desired set temperature for the MORN period using the

UP and DOWN buttons, and push NEXT to proceed. Now set

the start time and set temperature for the DAY period,

pushing NEXT after each to advance. Continue with these

same steps to set the start time and set temperature for the

EVE, and NITE program periods.

When you are finished setting all four periods, you may

continue pushing the NEXT button through all four periods of

Tuesday, Wednesday, and so on. Once you have reached the

Sunday NITE period, you have completed all of the heat

programs. To review your entries, keep pressing the NEXT

button through the four periods of every day, or turn the dial

to RUN if you are finished.

SET COOL PROGRAM

Rotate the dial to COOL PROGRAM. You will be

programming the cool periods for all seven days, one after

the other starting with Monday. You will begin with the start

time of the MORN period, and use the same procedures that

were performed while setting the HEAT PROGRAM periods

described above, using the NEXT button to advance through

the values. Return the dial to the RUN position when you

are finished.

QUICK COPY FEATURE

The Copy feature allows you to copy all of the program

information from any one single day, to any other day. With

the rotary dial in either HEAT PROGRAM or COOL

PROGRAM, press the COPY button once. The words “COPY”

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will appear on the screen, with one of the days flashing

above. Using the UP/DOWN buttons, select the day that you

want to copy from. Press the NEXT button once. Your

“copy from” day should be on steady with the following day

flashing. Use the UP/DOWN buttons to select the day that

you would like to copy to. A single short press of the COPY

button will perform the copy, and the flashing day will

advance to the next following day. You may continue to

perform short single presses of the COPY button to also

copy to the remaining days, one after the other (certain days

may be skipped by pressing the UP button to advance past

them). To exit the Copy feature, and return to the

programming screen, press and hold the NEXT button for

more than 1 second.

14. BATTERIES AND MAINTENANCE

This thermostat can be powered by either two “AA” alkaline

batteries, a 24VAC common wire from your heating or

cooling system, or a combination of both. If you are using

either batteries alone, or a combination of 24VAC system

power with batteries as a backup, the batteries should be

replaced AT LEAST once per year, or sooner if the “LOW

BAT” battery symbol appears in the lower left portion of the

display screen as shown below.

DAY

5 36

LOW BAT

HEAT

To replace the batteries in the thermostat, remove the

thermostat’s body from the base plate attached to the wall by

pressing the thumb latch at the bottom center of the unit and

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swinging the body towards you, up and away from the base.

Remove the used batteries from the battery tray and discard

appropriately.

Install two new Energizer^®or DURACELL^®“AA” size alkaline

batteries into the battery tray. Observe the polarity markings

shown in the battery compartment to ensure proper

installation. When finished, hang the top of the unit by the

tabs at the top corners of the base, and then snap the

bottom of the unit into place. Do not use unnecessary force.

If the body does not snap into place easily, remove the body,

re-hang it from the tabs and try again.

15. 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.

16. WARRANTY

Limited Warranty: If this unit fails because of defects in

materials or workmanship within three years of the date of

original purchase, LUX 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 the

date of original purchase. Some states do not allow

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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 location from which

the 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. and

Canada only.

DAY

5 36

HEAT

Mt. Laurel, New Jersey 08054, USA

http://www.luxproproducts.com

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