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INSTALLATION INSTRUCTIONS  
WIRING DIAGRAMS  
Cooling Systems  
Heating Systems  
FAN RELAY  
COOLING COMPRESSOR  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
COOL TRANSFORMER  
HEATING CONTROL  
HEATING TRANSFORMER  
COOL TRANSFORMER  
G
Y
W
RH RC  
G
Y
W
RH RC  
PSM200SA & PSM400SA  
VERSATILE DELUXE LOW  
Tape Off **  
5
Tape Off  
4
V
G
F
H
*
R
RC  
RC  
C
Y
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.  
VOLTAGE THERMOSTAT  
52055  
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  
HEATING TRANSFORMER  
COOL TRANSFORMER  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
COOL TRANSFORMER  
PSM400SA  
G
Y
W
RH RC  
G
Y
W RH RC  
R
Tape Off  
*
*
F
C
F
Y
Tape Off  
PSM200SA  
RH  
* If both Y and C wire are  
present, tape off “C” wire.  
* If both Y and C wire are  
present, tape off “C” wire.  
These diagrams below are provided for new installations or unreferenced wires.  
W A R N I N G  
TYPICAL HOOKUP FOR 2-WIRE  
24V HEATING SYSTEM AND  
MILLIVOLT SYSTEM  
TYPICAL HOOKUP FOR 3-WIRE  
HEAT SYSTEM IF THIRD  
WIRE IS FAN WIRE  
Not for use with compressors without time delays.  
G
Y
W
RH RC  
G
Y
W
RH RC  
SPECIFICATIONS  
24 Volt A.C.  
Electrical Rating: 24 to 30 Volts A.C.  
Heat Anticipator: 0.20 to 1.2 Amp. Max.  
Cold Anticipator: 0 to 1.0 Amp. Max.  
GAS  
VALVE  
GAS  
VALVE  
FAN  
SELECTING THERMOSTAT LOCATION  
24 VAC  
The proper location of the room thermostat is most important to insure that  
it will provide a comfortable home temperature. Observe the following general  
rules when selecting a location:  
TRANSFORMER  
OR  
24 VAC  
TRANSFORMER  
110  
THERMOPILE  
110  
Figure 9  
Figure 8  
1. Locate it about 5 ft. above the floor with a free flow of air.  
2. Install it on a partitioning wall, not on an outside wall.  
TYPICAL COOLING AND  
HEATING SYSTEM  
(4-WIRE)  
TYPICAL COOLING AND  
HEATING SYSTEM  
(5-WIRE)  
3. Never expose it to direct light or radiation from lamps, sun, fireplaces, etc.  
G
Y
W
RH RC  
G
Y
W
RH RC  
4. Avoid locations close to doors that lead outside, windows, or adjoining  
outside walls.  
5. Avoid locations close to radiators, warm air registers, or in the direct path of  
heat from them.  
GAS  
FAN  
VALVE  
REMOVE  
GAS  
FAN  
JUMPER  
BETWEEN  
RH & RC  
VALVE  
COOL  
COMP  
COOL  
COMP  
6. Make sure there are no pipes or duct work in that part of the wall chosen for  
the thermostat location.  
24 VAC HEAT  
TRANSFORMER  
110  
24 VAC HEAT  
TRANSFORMER  
7. Never locate it in a room that is warmer or cooler than the rest of the home  
such as kitchen or hallway or on the opposite side of the wall of a cold or  
unused room.  
24 VAC COOL  
TRANSFORMER  
110  
110  
Figure 10  
Figure 11  
8. The living or dining room is normally a good location, provided there is no  
cooking range or refrigerator on opposite side of wall.  
NOTE  
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.  
INSTALLATION  
1. Remove cover from thermostat by pulling outward. Pull thermostat wires  
through small holes beside terminal screws on thermostat base and connect  
wires to proper terminal screws per wiring diagrams. Note that on some  
models wire leads may be connected to terminal screws on back of base.  
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  
most common technical questions, and also permits you to email your  
questions to our technical support staff at your convenience.  
2. The thermostat can either be mounted to a standard horizontal outlet box  
or mounted directly to the wall. The thermostat must be level to assure  
optimum performance. Place level on top of thermostat base and mark hole  
locations for mounting screws.Push excess wire into wall or switch box and  
plug up hole to prevent drafts from affecting thermostat operation. Then  
attach thermostat base loosely to wall with the two screws provided.  
3. Again place level on top of thermostat base to be sure it is level. Then tighten  
mounting screws securely and snap on thermostat cover.  
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 malfunctioning or  
defective units to the participating retailer 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 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.  
HEATING ANTICIPATOR  
W A R N I N G  
The heating side of this  
The Adjustable Heater (Heat Anticipator) WILL BURN OUT if 25V are  
thermostat is equipped  
applied directly to thermostat by shorting out the gas valve or primary  
with an adjustable heater.  
control during testing or by incorrect wiring.  
Set heater indicator to  
match the current rating of the primary control. The heater may be adjusted  
for current ratings from .2 to 1.2 Amp.  
Additional adjustments, if necessary, may be made as follows:  
BURNER CYCLES TOO LONG - Set adjustable heater to a slightly lower dial  
setting (1/2 division).  
BURNER CYCLES TOO SHORT - Set adjustable heater to a slightly higher dial  
setting (1/2 division).  
RECYCLING  
NOTICE  
This product does not contain mercury. However, this product may replace a unit which  
LUX PRODUCTS CORPORATION  
Mt. Laurel, New Jersey 08054, USA  
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  
© 2008 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED