Lux Products T40-1143SA User Manual

Heating & cooling thermostat, Specifications installation & operation, Installation and operating instructions

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© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED

SPECIFICATIONS

INSTALLATION & OPERATION

1). THERMOSTAT LOCATION

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.

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.

2) TOOLS REQUIRED

Wirestripper or knife, drill with

3

16

" bit, screwdriver, level and a pencil.

ELECTRICAL RATING

24 Vac (30 Vac Maximum)

SWITCH ACTION

Open contact switch

ANTICIPATOR RATING

(HEATING) 0.15A to 1.2A
(COOLING) Fixed 24 VAC

TEMPERATURE RANGE

50°F to 90°F

70

20

25

30

15

10

50

60

90

80

LUX

LUX

70 80 90

20

60

15

50

10

25 30

INSTALLATION AND

OPERATING INSTRUCTIONS

T40-1143SA

HEATING & COOLING
THERMOSTAT

52022

LUX PRODUCTS CORPORATION
Mt. Laurel, New Jersey 08054, USA
www.luxproducts.com

ATTENTION : not for use with

compressors without time delays.

WIRING DIAGRAMS

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.

■■

Remove cover from old thermostat.

■■

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

3

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.

4) INSTALLING NEW THERMOSTAT

■■

Place new decorative wall plate (if supplied), Figure 4, over wall opening.

Decorative wall plate can optionally be left off.

■■

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.

■■

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.

Heating Systems

G

Y

W RH

B

O

RC

Tape Off *

* 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”

G

5

4

B

RC

V

R

*

H

W

F

RH

Tape Off **

C

Tape Off

TC

FAN RELAY

COOLING COMPRESSOR

HEATING CONTROL

HEATING TRANSFORMER

DAMPER OR CHANGEOVER VALVE

(POWERED IN HEAT)

DAMPER OR CHANGEOVER VALVE

(POWERED IN COOL)

COOL TRANSFORMER

Cooling Systems

G

Y

W RH

B

O

RC

Y

V

R

C

R

C

G

F

TC

Tape Off

FAN RELAY

COOLING COMPRESSOR

HEATING CONTROL

HEATING TRANSFORMER

DAMPER OR CHANGEOVER VALVE

(POWERED IN HEAT)

DAMPER OR CHANGEOVER VALVE

(POWERED IN COOL)

COOL TRANSFORMER

* If both Y and C wire are

present, tape off “C” wire.

*

Heating/Cooling Systems

4- or 5-Wire with One Transformer

G

Y

W RH

B

O

RC

C

Y

G

F

W

V

R

R

C

B

O

(Optional)

(Optional)

Tape Off

TC

FAN RELAY

COOLING COMPRESSOR

HEATING CONTROL

HEATING TRANSFORMER

DAMPER OR CHANGEOVER VALVE

(POWERED IN HEAT)

DAMPER OR CHANGEOVER VALVE

(POWERED IN COOL)

COOL TRANSFORMER

* If both Y and C wire are

present, tape off “C” wire.

*

FAN RELAY

COOLING COMPRESSOR

HEATING CONTROL

HEATING TRANSFORMER

DAMPER OR CHANGEOVER VALVE

(POWERED IN HEAT)

DAMPER OR CHANGEOVER VALVE

(POWERED IN COOL)

COOL TRANSFORMER

Heating/Cooling Systems

5- or 6-Wire with Two Transformers

G

Y

W RH

B

O

RC

Y

C

G

F

W

4

A

R

H

B

O

(Optional)

(Optional)

V

R

R

C

Tape Off

TC

*

* If both Y and C wire are

present, tape off “C” wire.

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