Lux Products PSM40SA Thermostat User Manual

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3. Do not locate in unusual cooling conditions, such as  
on an outside wall, or one separating an unheated  
room, or in drafts from stairwells, doors, or windows.  
4. Do not locate in a damp or humid area. This can  
shorten thermostat life due to corrosion.  
5. Do not locate where air circulation is poor, such as in  
a corner, alcove, or behind an open door.  
INSTALLATION AND OPERATING  
INSTRUCTIONS  
6. Do not install until all construction work and painting  
have been completed.  
LUX PRODUCTS CORPORATION  
Mt. Laurel, New Jersey 08054, USA  
LUXPRO  
2) TOOLS REQUIRED  
3
Wirestripper or knife, drill with ⁄16" bit, screwdriver,  
level and a pencil.  
3) REMOVING OLD THERMOSTAT  
PSM40SA  
HEATING & COOLING THERMOSTAT  
Please read all instructions carefully. As you complete  
each step, check the adjoining square .  
ATTENTION : not for use with  
compressors without  
Disconnect electricity and turn off gas to the heater.  
Remove cover from old thermostat.  
52047  
time delays.  
Disconnect wires from thermostat, making sure they  
do not fall back inside the wall. Make note of wires  
and to which terminals they are attached as you  
disconnect them. For example: “Yellow wire to  
terminal Y, Red wire to terminal RH,” etc.  
SPECIFICATIONS  
ELECTRICAL RATING ......24 Vac (30 Vac Maximum)  
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Strip insulation ⁄8" from wire ends and clean off any  
corrosion.  
Loosen all screws on the old thermostat and remove  
it from the wall.  
Fill wall opening with non-combustible insulation to  
prevent drafts from affecting thermostat.  
SWITCH ACTION......................Open contact switch  
ANTICIPATOR RATING  
(HEATING)....................................0.15A to 1.2A  
(COOLING)...................................Fixed 24 VAC  
4) INSTALLING NEW THERMOSTAT  
TEMPERATURE RANGE .......................50°F to 90°F  
Place new decorative wall plate (if supplied), Figure 4,  
over wall opening. Decorative wall plate can  
optionally be left off.  
INSTALLATION & OPERATION  
1). THERMOSTAT LOCATION  
Remove Front Cover of new thermostat by inserting a  
finger in the side of the thermostat and gently prying  
away each corner. Remove Base, Figure 2, from Sub-  
Base, Figure 3, by loosening three captive screws.  
Place Sub-Base, Figure 3, on wallplate over wall  
opening. Mark wall with pencil at mounting holes as  
shown in Figure 2. Now lay wallplate and Sub-Base to  
the side.  
Drill two holes with 3/16” bit, 1” deep.  
Insert plastic screw anchors into drilled holes, flush  
with wall surface.  
Bring wires through large hole in decorative wall plate  
and through Hole For Wires in Sub-Base.  
For accurate temperature control and comfort, correct  
location is very important. On new installations, the  
guidelines listed below should be followed as closely as  
possible. When replacing an old thermostat, install the  
new one in the same location unless these conditions  
suggest otherwise.  
1. Locate the thermostat on an inside wall about five  
feet above the floor, where it is easy to install and  
adjust. It should be in a room that is used often, such  
as a family room.  
2. Do not install it where there are unusual heating  
conditions, such as direct sunlight, close to a lamp,  
radio, television, radiator, register, near a fireplace, or  
other heat producing appliance. Also, check for hot  
water pipes within the wall, or a stove on the other  
side of the wall.  
Referring to your notes and the following diagrams,  
attach wires to terminal screws shown in Figure 2.  
Make sure bare metal wires do not touch each other.  
Push all excess wire back into wall.  
© 2007 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED  
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WIRING DIAGRAMS  
Cooling Systems  
Heating Systems  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
COOL TRANSFORMER  
COOL TRANSFORMER  
G
Y
W RH  
B
O
RC  
G
Y
W RH  
B
O
RC  
Tape Off *  
Tape Off **  
Tape Off  
5
Tape Off  
V
4
*
C
C
T
F
Y
C
TC  
F
* If replacing a Honeywell TM-11,  
tape off wire “R”; connect wire “B”  
to terminal “RH.”  
** If replacing a Honeywell thermostat  
with a clock wire “C,” tape off wire “C”  
* If both Y and C wire are  
present, tape off “C” wire.  
Heating/Cooling Systems  
Heating/Cooling Systems  
4- or 5-Wire with One Transformer  
5- or 6-Wire with Two Transformers  
FAN RELAY  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
HEATING TRANSFORMER  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
COOL TRANSFORMER  
COOL TRANSFORMER  
G
Y
W RH  
B
O
RC  
G
Y
W RH  
B
O
RC  
V
Tape Off  
Tape Off  
*
*
F
Y
F
C
(Optional)  
(Optional)  
(Optional)  
(Optional)  
G
C
C
G
Y
T
TC  
* If both Y and C wire are  
present, tape off “C” wire.  
* If both Y and C wire are  
present, tape off “C” wire.  
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These diagrams below are provided for new installations or unreferenced wires.  
TYPICAL HOOKUP FOR 2-WIRE  
24V HEATING SYSTEM AND  
MILLIVOLT SYSTEM  
TYPICAL HOOKUP FOR 3-WIRE  
HEAT SYSTEM IF THIRD  
WIRE IS FAN WIRE  
TYPICAL COOLING AND  
HEATING SYSTEM  
(4-WIRE)  
G
Y
W RH  
B
O
RC  
G
Y
W RH  
B
O
RC  
G
Y
W RH  
B
O
RC  
GAS  
VALVE  
GAS  
VALVE  
GAS  
VALVE  
FAN  
FAN  
COOL  
COMP  
24 VAC  
TRANSFORMER  
OR  
24 VAC HEAT  
24 VAC  
TRANSFORMER  
TRANSFORMER  
110  
THERMOPILE  
110  
110  
Figure 9  
Figure 8  
Figure 10  
TYPICAL SINGLE-STAGE  
HEAT PUMP WIRING  
TYPICAL COOLING AND  
HEATING SYSTEM  
(5-WIRE)  
G
Y
W
RH  
B
O
RC  
G
Y
W RH  
B
O
RC  
ADD  
JUMPER  
ALT.  
BETWEEN  
Y & W  
CHG.  
FAN  
GAS  
VALVE  
FAN  
OVER  
REMOVE  
JUMPER  
BETWEEN  
RH & RC  
COOL  
COMP  
COMP  
24 VAC HEAT  
TRANSFORMER  
110  
24 VAC HEAT  
TRANSFORMER  
24 VAC COOL  
TRANSFORMER  
110  
Figure 12  
110  
Figure 11  
N O T E  
If you have an electric system and the blower does not operate after installation, find the factory installed  
yellow wire currently attached to the “Y” terminal and move it to the “A” terminal on the sub-base.  
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Place Base, Figure 3, over Sub-Base and attach by  
tightening three captive screws.  
Fasten loosely to wall using two mounting screws.  
Place a level against the bottom of the Base, adjust  
until it is level and then tighten mounting screws to  
secure.  
FIGURE 4  
DECORATIVE  
WALL PLATE  
Find anticipator setting on old thermostat. Setting on  
new thermostat should be the same. Do this by  
carefully sliding the long pointer , Figure 2, over  
desired number printed on the anticipator. If old  
anticipator setting cannot be determined, look on gas  
control on furnace, or set at at .6. During heating  
season, furnace should operate about five times an  
hour. If adjustments are necessary, move heat  
anticipator pointer slightly and recheck.  
NOTE: Set pointer to 1.2 for millivolt systems.  
Attach front cover, Figure 1, to base.  
Turn electricity and gas back on and set pointer on  
top of thermostat to desired temperature.  
FOR HEATING: Set slide switch to “Heat”. Set fan  
switch to “Auto”.  
FOR COOLING: Set slide switch to “Cool”. Set fan  
switch to “Auto”.  
FAN: For continuous blower operation, set switch to  
“ON”. For automatic blower operation set fan switch  
to “Auto”. Thermostat will then cycle the blower “on”  
anf “off”.  
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  
you answers to the most common technical questions,  
and also permits you to email your questions to our  
technical support staff at your convenience.  
A thermostat can only control temperature near it. If  
you find that it is uncomfortable some distance away  
from the thermostat, change the setting in order to  
compensate for this.  
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  
FIGURE 1  
FRONT COVER  
MOUNTING HOLE  
UP  
malfunctioning or defective units to the participating  
wholesaler 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  
FIGURE 2  
BASE  
ANTICIPATOR  
E
LONG  
POINTER  
.5  
.3  
.4  
CAPTIVE  
SCREW  
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.  
CAPTIVE  
SCREW  
MOUNTING  
HOLE  
HOLES FOR WIRES  
UP  
vert  
FIGURE 3  
SUB-BASE  
RECYCLING  
NOTICE  
This product does not contain mercury. However, this  
product may replace a unit which contains mercury and  
should not be disposed of in the trash. Contact your local  
waste management authority for proper disposal  
instructions for mercury in a sealed glass tube.  
If you have any questions, please call (856) 234-8803  
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