LUX PSPH521 Series Programmable Heat Pump Thermostat Instruction Manual

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INSTALLATION AND OPERATING INSTRUCTIONS  

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.  

INSTALLATION  

Please read all instructions carefully  

before beginning installation.  

F

OF  

PSPH521 SERIES  

PROGRAMMABLE HEAT PUMP THERMOSTAT  

TOOLS REQUIRED  

#1 Phillips screwdriver (small)  

Drill with 3/16-in. (4.8mm) bit  

THERMOSTAT LOCATION  

On replacement installations, mount the  

MO  

UP  

D

A

Y

HEA  

T

PM  

DOWN  

MO  

UP  

MO  

UP  

DA  

Y

DA  

Y

HEA  

T

HEA  

T

PM  

DOWN  

PM  

DOWN  

Easy as  

1–2–3  

SET  

SATURDA  

PROGRAM  

SET  

SUNDA  

PROGRAM  

SET  

SATURDA  

PROGRAM  

SET  

SUNDA  

PROGRAM  

Y

Y

Y

Y

RESET  

RESET  

FAN  

FAN  

HEA  

T

HEAT  

AUTO  

AUTO  

SET  

WEEKDA  

PROGRAM  

SET  

WEEKDA  

PROGRAM  

OFF  

OFF  

FILTER  

HOLD  

NEXT  

Y

FILTER  

HOLD  

NEXT  

ON  

Y

ON  

COOL  

COOL  

SET  

DAY/TIME  

RUN  

SET  

DAY/TIME  

RUN  

new thermostat in place of the old one unless the conditions listed below suggest otherwise. On new  

installations, follow the guidelines listed below.  

1500  

1500  

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SIMPLIFIED INSTRUCTIONS  

Press UP/DOWN to set time.  

SIMPLIFIED INSTRUCTIONS  

Press UP/DOWN to set time.  

•

TEMPORARY TEMPERATURE OVERRIDE  

TO SET TIME  

&

DAY  

•

TEMPORARY TEMPERATURE OVERRIDE  

TO SET TIME  

&

DA  

Rotate Dial to SET  

Y

•

•Press UP/DOWN to adjust set temperature.  

•T  

original set temperature appears or wait for  

•

Rotate Dial to SET  

DAY/TIME.  

Press UP to change  

•Press UP/DOWN to adjust set temperature.  

clear OVERRIDE press UP/DOWN until  

TO SET PROGRAMS  

•Rotate Dial to SET  

o

clear OVERRIDE press UP/DOWN until  

TO SET PROGRAMS  

Rotate Dial to SET  

•To  

original set temperature appears or wait for  

DAY/TIME.  

Press UP to change  

•

•

•

Installs Easily  

Set Day & Time  

Choose Heat or Cool  

1. Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a room that is  

used often.  

Complete, Easy To Read Programming And Installation Instructions Inside  

LUX PRODUCTS CORPORATION • Mt. Laurel, New Jersey 08054, USA  

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.  

43343-04  

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.  

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.  

I M P O R T A N T !  

Thank you for your confidence in our product. To obtain the best results from  

your investment, please read these instructions and acquaint yourself with  

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.  

READ  

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.  

INSTALLATION  

INSTRUCTIONS  

FIRST  

REMOVING THE OLD THERMOSTAT  

C A U T I O N  

Read instructions carefully  

before removing any  

Switch electricity to the furnace and air conditioner OFF; then  

proceed with the following steps.  

These instructions may contain information beyond that required for your  

particular installation. Please save for future reference.  

1. Remove cover from old thermostat. Most are snap-on types  

wiring from existing  

and simply pull off. Some have locking screws on the side.  

thermostat. Wires must be  

labeled before they are  

removed. When removing  

wires from their terminals,  

These must be loosened.  

FEATURES  

•

2. Note the letters printed near the terminals. Attach labels  

The Active Program Period  

LUX Speed Dial^®  

The Unit can be  

used with most  

(enclosed) to each wire for identification. Remove and label  

wires one at a time. Make sure the wires do not fall back inside  

The Set  

Temperature  

Liquid Crystal  

Display  

two stage heat  

and one stage  

ignore the color of the  

the wall.  

wires since these may not  

comply with the standard.  

3. Loosen all screws on the old thermostat and remove it from the  

wall.  

cool heat pump  

systems. It cannot be  

used with 120 volt  

heating systems. Ask your  

dealer for other LUX  

thermostats to control those  

systems.  

MORN  

DAY  

UP  

MOUNTING THE UNIT ON THE WALL  

EVE  

DOWN  

NIGHT  

Thermostat  

Body  

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.  

RESET  

SET  

WEEKDAY  

PROGRAM  

SET  

WEEKEND  

PROGRAM  

FAN  

AUTO  

ON  

EMER  

HEAT  

OFF  

System  

Switch  

HOLD  

COOL  

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.  

SET  

DAYTIME  

RUN  

NEXT  

•

•

The Unit is programmable.  

There are four programming  

periods per day. Each period  

can be programmed  

Fan  

Switch  

C

A

U

T

I

O

N

separately.  

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

Leave the cover closed while the body is being removed from the base.  

You can use the built-in  

time/temperature  

Easy to  

follow  

instructions  

SIMPLIFIED INSTRUCTIONS  

TO SET PROGRAMS  

•Rotate Dial to SET WEEKDAY •Rotate Dial to SET  

TO SET TIME  

&

DAY  

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.  

or WEEKEND PROGRAM  

•Press UP to change  

current day.  

•Press NEXT.  

•Press UP/DOWN to set time.  

WEEKDAY,  

SATURDAY or  

SUNDAY PROGRAM.  

•Press UP/DOWN to adjust  

start time.  

programs, or alter them to  

suit your schedule. The Unit  

provides separate programs  

for weekdays and weekends  

- for both heating and  

TEMPERATURE HOLD  

•Press NEXT.  

•Press HOLD. Adjust temperature as  

desired with UP/DOWN.  

•To clear, press HOLD again.  

N O T E  

•Press UP/DOWN to adjust  

temperature.  

•Press NEXT.  

E

G

Y

R

O

W2  

B

C

Thermostat  

Cover  

TERMINALS  

If you are mounting the base to  

a soft material like plasterboard  

or if you are using the old  

•Repeat as needed or rotate  

dial to RUN to stop  

Programming.  

Rotate the dial to the RUN position to close the door.  

cooling. You can override the  

programmed temperatures  

for as little as one programming period or for an entire vacation.  

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.  

•

•

•

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.  

BASE  

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.  

SCREW ANCHORS  

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.  

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.  

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•

•

Temperature swing adjustment lets you fine-tune your system for maximum comfort and  

economy.  

A 4-minute minimum on/off time in COOL prevents your air conditioning system from being  

damaged.  

The thermostat can be powered either by a common wire from the 24Vac transformer with  

two Energizer^® or DURACELL^® "AA" size alkaline batteries as backup or exclusively by two  

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

C

A

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T

I

O

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.  

© COPYRIGHT 2004 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED  

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Name	LUX PSPH521 Series Programmable Heat Pump Thermostat Instruction Manual
Make	LUX
Language	English
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File size	0.18 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• LUX

LUX PSPH521 Series Programmable Heat Pump Thermostat Instruction Manual Overview

Summary of Contents

• Page 1: installation and operating instructions caution To avoid electrical shock and to prevent damage to the furnace, air conditioner, and thermostat, disconnect the power supply before beginning work. installation Please read all instructions carefully before beginning installation. tools required #1 Phillips screwdriver (small) Drill with 3/16-in. (4.8mm) bit thermostat location On replacement installations, mount the new thermostat in place of the old one unless the conditions listed below suggest otherwise. important 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. features The unit is programmable. There are four programming periods per day. Each period can be programmed separately. temperature hold You can override the programmed temperatures for as little as one programming period or for an entire vacation. caution Your thermostat is a precision instrument. Please handle it with care.
• Page 2: Caution note: When replacing batteries, you have approximately 1 minute before programs are lost. Do not allow wires to touch each other or parts on the thermostat. Remove fresh batteries from their carton. Use Energizer® or Duracell® alkaline batteries only. Installation is now complete. The unit alternately displays the current time and the room temperature. In the winter, set the system switch to heat to control your heating system. Setting the fan switch to auto automatically runs your system’s fan during heating and cooling. You can use the built-in programs as shown, or change them as you wish. The unit requires batteries to retain its programming in memory.
• Page 3: Programming the unit allows you to change preset times and temperatures for weekday and weekend programs. Each period is programmed for heat and cool settings. A blank programming chart is provided for recording temperature settings. The thermostat works by turning the heating or cooling system on and off based on room temperature variations, known as the swing. Select heat to program for controlling your heater and cool for your air conditioner. To change the temperature swing, adjust the setting between 1-9. To prevent tampering with set programs, a program lock feature is available. You must press reset after enabling certain features, which requires reprogramming the thermostat. Changing from Fahrenheit to Celsius or a 12-hour clock to a 24-hour clock will require resetting the thermostat. The temperature override feature allows you to change the current temperature without altering stored programs. The vacation temperature hold feature protects your home from freezing by maintaining a temperature of approximately 40°F.