INSTALLATION AND OPERATING INSTRUCTIONS
C A U T I O N
To avoid electrical shock and
to prevent damage to the
INSTALLATION
Please read all instructions carefully
before beginning installation.
F
OF
furnace, air conditioner, and
thermostat, disconnect the power
PSPH521 SERIES
TOOLS REQUIRED
#1 Phillips screwdriver (small)
Drill with 3/16-in. (4.8mm) bit
THERMOSTAT LOCATION
On replacement installations, mount the
supply before beginning work. This
can be done at the fuse box, at the
circuit breaker, or at the appliance.
PROGRAMMABLE HEAT PUMP THERMOSTAT
UP
D
A
Y
HEAT
DOWN
MO
UP
MO
UP
DAY
DAY
HEAT
T
PM
DOWN
P
DOWN
Easy as
1–2–3
SET
SATURDA
PROGRAM
SET
SUNDA
SET
SATURDA
PROGRAM
DA
Y
Y
Y
Y
RESET
RESET
PROGRAM
FAN
GRAM
FAN
HEA
T
AT
AUTO
AUTO
SET
WEEKDA
T
EEKDA
OFF
FILTER
HOLD
Y
FILTER
HOLD
ON
Y
ON
COOL
PROGRAM
OGRAM
SET
DAY/TIME
RUN
TE
RUN
NEXT
NEXT
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 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.
1500
1500
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P
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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.
•T clear OVERRIDE press UP/DOWN until
original set temperature appears or wait for
TO SET TIME
&
DAY
•
Press UP/DOWN to set time.
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
clear OVERRIDE press UP/DOWN until
original set temperature appears or wait for
TO SET TIME
&
DA
Rotate Dial to SET
Y
•
•
Rotate Dial to SET
DAY/TIME.
TO SET PROGRAMS
•Rotate Dial to SET
o
TO SET PROGRAMS
Rotate Dial to SET
•
T
o
DAY/TIME.
Press UP to change
•
Press UP to change
•
•
Installs Easily
Set Day & Time
Choose Heat or Cool
Complete, Easy To Read Programming And Installation Instructions Inside
LUX PRODUCTS CORPORATION • Mt. Laurel, New Jersey 08054, USA
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.
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.
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
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.
These instructions may contain information beyond that required for your
particular installation. Please save for future reference.
INSTALLATION
INSTRUCTIONS
FIRST
REMOVING THE OLD THERMOSTAT
C A U T I O N
Switch electricity to the furnace and air conditioner OFF; then
Read instructions carefully
proceed with the following steps.
before removing any
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
These must be loosened.
FEATURES
labeled before they are
2. Note the letters printed near the terminals. Attach labels
The Active Program Period
LUX Speed Dial®
removed. When removing
•
The Unit can be
(enclosed) to each wire for identification. Remove and label
The Set
wires from their terminals,
used with most
Liquid Crystal
Display
wires one at a time. Make sure the wires do not fall back inside
Temperature
two stage heat
ignore the color of the
the wall.
and one stage
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
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.
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.
EVE
DOWN
NIGHT
Thermostat
Body
RESET
SET
SET
WEEKDAY
WEEKEND
PROGRAM
PROGRAM
FAN
AUTO
ON
EMER
HEAT
OFF
System
Switch
HOLD
COOL
SET
RUN
DAYTIME
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.
You can use the built-in
time/temperature
programs, or alter them to
suit your schedule. The Unit
provides separate programs
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.
Easy to
SIMPLIFIED INSTRUCTIONS
TO SET PROGRAMS
•Rotate Dial to SET WEEKDAY •Rotate Dial to SET
Leave the cover closed while the body is being removed from the base.
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.
follow
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.
instructions
TEMPERATURE HOLD
•Press HOLD. Adjust temperature as
desired with UP/DOWN.
•Press NEXT.
•Press UP/DOWN to adjust
temperature.
N O T E
•To clear, press HOLD again.
E
G
Y
R
O
W2
B
C
•Press NEXT.
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.
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.
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.
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.
BASE
SCREW ANCHORS
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.
•
•
•
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
U
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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PROGRAMMING THE UNIT
You can change any preset times and/or temperatures to suit your
schedules for the weekday and weekend programs. Each period
(Morning, Day, Evening, and Night) is programmed for HEAT and for
COOL. A blank programming chart is provided for you to record
your temperature settings in that chart.
ADVANCED FEATURES
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.
N
O
T
E
HEAT and COOL may
TEMPERATURE SWING
have different temperatures.
Select HEAT to program the thermostat for
controlling your heater.
EMER
HEAT
OFF
MO TU WE TH FR
MORN
DAY
70
OR Select COOL to program the thermostat
for controlling your air conditioner.
EVE
COOL
NIGHT
6 00
AM
Press together
HOLD
UP
NEXT
SET TEMP SWING
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.
MORN
DAY
Dial must be
in the run
position
To change the temp.
swing between 1-9
(4=approx. 1°F)
4
EVE
DOWN
NIGHT
To change the start time
for MORN.
To program temperature.
To change the start time
for EVE.
DOWN
NEXT
DOWN
NEXT
UP
UP
NEXT
Press to set.
To program temperature.
TEMPERATURE CALIBRATION
To change the temp.
setting for MORN.
To move to DAY.
To change the temp.
setting for EVE.
To move to Night.
DOWN
NEXT
DOWN
NEXT
UP
UP
UP
UP
UP
UP
Press together
HOLD
UP
NEXT
Rotate the
MORN
DAY
dial to
0
EVE
SET DAY/TIME
NIGHT
To adjust the
thermostat
DOWN
To change start time
for DAY.
To program temperature.
To change the start time
for NIght.
To program temperature.
DOWN
DOWN
PROGRAM LOCK
NEXT
NEXT
To prevent tampering with set programs. The sequence of keys to
lock and unlock the program:
MO TU WE TH FR
MORN
DAY
70
EVE
NIGHT
7 30
To change the temp.
setting for DAY.
To change the temp.
setting for NIght.
DOWN
NEXT
DOWN
Rotate dial to RUN position to start the
To move to eve.
programs or SET WEEKEND PROGRAM to
continue programming.
N
O
T
E
You must press “RESET” after enabling the features below. This will require you to
reprogram your thermostat. Please copy your programs into the blank chart provided
to assist reprogramming. Please reference the figure under “INSTALLING BATTERIES”
which shows the JUMPER LOCATIONS
SETTING THE TIME OF DAY
MO TU WE TH FR
MORN
C
A
U
T
I
O
N
DAY
EVE
The unit is protected against normal static electric discharges.
However, in extremely dry weather you should touch another metal
object before the unit to avoid potential loss of programs.
NIGHT
AM
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 . This will be your reference to reenter the programs
afterwards.
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.
• To change to Celsius - remove jumper -J2.
• To change to a 24HR clock - remove jumper- J1.
• Press the reset key on the front of the thermostat for changes to take effect.
• Reprogram as necessary.
UP
To change
To set current time. The
time (e.g."12:00 AM")
will be flashing.
To change the
current time.
UP
NEXT
current day.
DOWN
TEMPERATURE OVERRIDE AND TEMPERATURE HOLD
C
B
W2
O
R
Y
G
E
These features let you change the current Set Temperature without changing the programs stored in
your thermostat’s memory.
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.
TEMPORARY TEMPERATURE
OVERRIDE
OPEN CLOSE
24HR 12HR
JP1
JP2
MO TU WE TH FR
MORN
UP
DAY
C
F
70
EVE
JP1
JP2
NIGHT
7 30
OVERRIDE
DOWN
I
M
P
O
R
T
A
N
T
VACATION TEMPERATURE
HOLD
To protect your home from freezing in the event you have inadvertently left the unit switched OFF,
or its batteries have been drained, your PSPH521 will energize the thermostat’s heating
terminals as necessary to control the temperature at approximately 40°F. Please call our technical
assistance department if your application requires that this feature be disabled.
Press HOLD. Adjust temperature as desired with
UP/DOWN.
Temperature setting will not change even after next
program period begins.
MO TU WE TH FR
MORN
DAY
65
HOLD
EVE
NIGHT
7 30
HOLD
TECHNICAL SERVICE
To clear, press HOLD again.
If you have any problems installing or using this thermostat, please reread the
instructions carefully. Technical Service is available through our Technical Service Number.
If you require assistance, please call our offices between 8:00 a.m. and 4:30 p.m. Eastern
Standard Time, Monday through Friday. The number is (856) 234-8803 or visit our online
WARRANTY
Limited Warranty: If this unit fails because of defects in materials or workmanship within
one year of 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 one year 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 Service Section 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.
© COPYRIGHT 2004 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
3
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