Lux Products PSPH521 Thermostat User 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  
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  
a t e n t s P e n d i n g  
1500  
a t e n t s P e n d i n g  
P
P
SIMPLIFIED INSTRUCTIONS  
Press UP/DOWN to set time.  
SIMPLIFIED INSTRUCTIONS  
TEMPORARY TEMPERATURE OVERRIDE  
Press UP/DOWN to adjust set temperature.  
o 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  
T  
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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C
A
U
T
I
O
N
N O T E  
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 terminal screws.  
When replacing batteries, you have  
approximately 1 minute before programs are lost.  
1. Remove fresh batteries from their carton.  
2. Remove body of thermostat as described at bottom of  
first column.  
REPLACE BATTERIES WHEN  
INDICATOR APPEARS  
TERMINAL DESIGNATIONS  
NEW THERMOSTAT  
OLD TERMINAL  
DESIGNATIONS  
TYPICAL  
3. Remove the battery clip and batteries.  
TERMINAL  
CONNECTION  
4. Install two Energizer® or DURACELL® "AA" size  
alkaline batteries in the battery clip. Observe the  
polarity marking shown in the clip.  
C
A
U
T
I
O
N
DESIGNATIONS  
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.  
B
C, X, X1, X2, Z  
E, K  
B
Heating Changeover Valve  
Common  
WARNING: Use Energizer® or DURACELL®  
C
Alkaline Batteries Only.  
5. Place body back on the wall. Hook the bottom of the body onto the base, swing the body up, 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.  
E
Emergency Heat Relay  
Fan Relay  
G, F  
G
L, A, A1  
0
TAPE OFF  
Check Heat Pump Indicator  
Cooling Changeover Valve  
This thermostat is “armchair programmable”  
0
R
OPERATION  
You can make any program or setting  
The Unit alternately displays the current time  
changes with the thermostat body off or on  
24V System or Heating  
Transformer  
and the room temperature. It also  
R, V  
the wall thermostat base.  
displays the day of the week and the  
currently active program period that is controlling the temperature: MORN, DAY, EVE, or NIGHT.  
Stage 2 Heating Relay or  
Auxiliary Heat Relay  
W2, H2, R4, W3, Y  
Y, C1, M, Y1  
W2  
Y
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.  
Setting the FAN switch to AUTO 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.  
Stage 1 Compressor  
Contractor  
NOTE: A typical hookup will require either a "B" or "O" wire, but not both.  
If you have both a "B" and "O" wire, please call technical service.  
TYPICAL HOOKUP  
THE BUILT IN PROGRAMS  
PERIOD  
HEAT  
COOL  
Push in the RESET key. This sets the  
built-in heating and cooling programs.  
To review the built-in programs,press  
NEXT or PREVIOUS repeatedly; when  
you are done, press RETURN.  
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.  
E
G
Y
R
O
W2  
B
C
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°  
HEAT  
CHANGEOVER  
VALVE  
COOL  
CHANGEOVER  
VALVE  
EMERGENCY  
HEAT RELAY  
COMPRESSOR  
RELAY  
NIGHT 10:00 PM 62° 10:00 PM 82°  
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°  
FAN  
RELAY  
AUX HEAT  
RELAY  
COMMON  
SAT & SUN  
preprograms  
1
NIGHT 10:00 PM 62° 10:00 PM 82°  
L1  
(HOT)  
L2  
P
R
O
PERIOD  
G
R
A
M M  
HEAT  
I
N
G
C H A R T  
COOL  
TEMP.  
(COMMON)  
POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD  
PROTECTION AS REQUIRED.  
DAY  
1
TEMP.  
TIME  
TIME  
MORN  
DAY  
MONDAY  
THROUGH  
FRIDAY  
SETTING THE FAN AND SYSTEM SWITCHES  
EVE  
NIGHT  
MORN  
DAY  
FAN ON  
FAN AUTO  
EMER  
The fan runs continuously for increased air circulation.  
SATURDAY  
AND  
Normal Setting. Fan is energized with the system.  
Auxiliary heat is used for heating. The compressor is deenergized.  
The thermostat controls your heating.  
EVE  
SUNDAY  
NIGHT  
HEAT  
OFF  
Both heating and cooling are off.  
COOL  
The thermostat controls your cooling.  
RESET  
SET  
SET  
WEEKDAY  
WEEKEND  
FAN  
AUTO  
ON  
PROGRAM  
PROGRAM  
EMER  
HEAT  
OFF  
INSTALLING BATTERIES  
HOLD  
NEXT  
COOL  
SET  
DAYTIME  
RUN  
The Unit requires batteries to  
retain its programming in  
memory. Replace the batteries  
when the REPLACE indicator  
appears in the display or at  
least once a year.  
SIMPLIFIED INSTRUCTIONS  
TO SET TIME & DAY  
TO SET PROGRAMS  
• Rotate Dial to SET WEEKDAY • Rotate Dial to SET  
TEMPORARY TEMPERATURE OVERRIDE  
•Press UP/DOWN to adj st set temperat re  
© 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. 11°)  
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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