Lux Products Thermostat T40 1143SA User Manual

3) REMOVING OLD THERMOSTAT  
Please read all instructions carefully. As you complete each step, check the  
adjoining square .  
Disconnect electricity and turn off gas to the heater.  
INSTALLATION AND  
Remove cover from old thermostat.  
OPERATING INSTRUCTIONS  
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.  
Strip insulation 38" 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.  
LUX PRODUCTS CORPORATION  
Mt. Laurel, New Jersey 08054, USA  
52022  
T40-1143SA  
4) INSTALLING NEW THERMOSTAT  
50 60 70 80 90  
10 15 20 25 30  
HEATING & COOLING  
THERMOSTAT  
Place new decorative wall plate (if supplied), Figure 4, over wall opening.  
Decorative wall plate can optionally be left off.  
LUX  
20  
25  
10 1650  
80  
30  
70  
50  
90  
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.  
ATTENTION : not for use with  
compressors without time delays.  
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.  
3
Drill two holes with 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.  
SPECIFICATIONS  
ELECTRICAL RATING  
24 Vac (30 Vac Maximum)  
SWITCH ACTION  
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.  
Open contact switch  
ANTICIPATOR RATING  
(HEATING) 0.15A to 1.2A  
(COOLING) Fixed 24 VAC  
TEMPERATURE RANGE  
50°F to 90°F  
WIRING DIAGRAMS  
Cooling Systems  
Heating Systems  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
FAN RELAY  
COOLING COMPRESSOR  
HEATING CONTROL  
HEATING TRANSFORMER  
INSTALLATION & OPERATION  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN HEAT)  
1). THERMOSTAT LOCATION  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
DAMPER OR CHANGEOVER VALVE  
(POWERED IN COOL)  
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.  
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.  
COOL TRANSFORMER  
COOL TRANSFORMER  
G
Y
W
RH  
B
O
RC  
G
Y
W
RH  
B
O
RC  
Tape Off *  
Tape Off **  
Tape Off  
Tape Off  
4
*
C
C
T
F
C
Y
C
T
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  
FAN RELAY  
5- or 6-Wire with Two Transformers  
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)  
5. Do not locate where air circulation is poor, such as in a corner, alcove, or behind an  
open door.  
6. Do not install until all construction work and painting have been completed.  
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  
2) TOOLS REQUIRED  
Wirestripper or knife, drill with 316" bit, screwdriver, level and a pencil.  
V
Tape Off  
Tape Off  
*
*
F
Y
F
C
(Optional)  
(Optional)  
(Optional)  
(Optional)  
C
G
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.  
© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED  
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