Aube TH123 Thermostat User Manual

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TH1 23

ELECTRONIC PROGRAMMABLE THERMOSTAT FOR HEATING AND COOLING

SYSTEMS

TEMPERATURE SPAN ADJUSTMENT

SUMMARY

Press PROG key while RETURN key is pressed in.

changes the span setting.

button

INTRODUCTION

This thermostat can replace most common residential thermostats

and is designed to be used with electric, gas or oil heating and air

conditioning systems using 24 volts control and relay current up to

.0 ampere.

Several useful functions and operating modes have been incorpo-

rated to adapt a variety of customer needs: besides all the features

associated with the state of the art programmable thermostat, you’ll

find on TH123:

•

a 7 day timer to set the ECONO mode during a prolonged

absence.

•

a signal entry to remotely control the ECONO mode.

a protection against freezing.

a filter supervision.

a programmable regulation sensibility (SPAN).

To protect the compressor from damage and wear by cycling on

and off too rapidly, the TH123 incorporates a minimum five (5) min-

utes delay between cooling cycles.

If you have any questions concerning the installation or program-

ming of the thermostat, please call our technical assistance at

-800-831-AUBE or for the Montreal area, (450) 358-4600 from

:30 AM to 5:00 PM, Monday through Friday, Eastern time.

INSTALLATION

This thermostat has been designed for simple and quick installation

requiring only a few tools.

TO SET TIME AND DAY

REQUIRED MATERIAL

Press DAY, HOUR and MIN keys to adjust the time and day.

•

Hammer

Masking tape

Drill and 3/16” drill bit

Phillips screwdriver

TO MODIFY HEATING AND COOLING PROGRAMS

•

Set the function switch to HEAT position for heating programs

and to COOL for cooling programs.

•

Use PROG key to select the program to be modified.

REMOVING YOUR OLD THERMOSTAT

Use HOUR and MIN keys to set the time and

select the temperature setting.

button to

WARNING: To avoid electric shock, turn off the power of the

heating and cooling system at the main power box in your home.

OPERATING MODES

Read the following instructions carefully before disconnecting the

wires.

AUTO:

executes the programs.

perature setting.

button shows the tem-

or changes the tem-

n Turn off your old thermostat.

o Remove the cover from the old thermostat. You may have to

pull extra hard.

MAN:

bypasses the programming.

perature setting.

p Unscrew the old thermostat from the wall plate

TIMER ECONO: maintains the ECONOmic temperature setting

until a user presets time and day.

q Now find the screws attaching the wall plate to the wall, and

remove them. You should now be able to pull the wall plate a

small distance from the wall. Do not disconnect any wires yet,

simply locate the wires.

ECONO REMOTE: maintains the ECONOmic temperature setting

as long as an external signal is applied.

Note: If your old thermostat has only two (2) wires connected to it

FILTER FUNCTION

(

heating system only), simply disconnect the two wires from the wall

Shows the number of hours that the system has operated since the

last filter change. Prevents freezing during your absence.

plate, skip over steps 1 and 2 in the Wire labelling section and go on

to step 3.

WARNING: After removing the wall plate, if you find that it is

mounted on a junction box (e.g. a box similar to one behind a light

switch or electric outlet), 240 volts circuit may be present and there

is a danger of electric shock. Please consult a qualified electrician.

q Turn on the main switch of the system. The thermostat is ready

for use.

WIRING DIAGRAM

The TH123 thermostat can be used with any single stage heating

and cooling system. You cannot directly use this thermostat on mul-

tiple stages heating or cooling system, millivolt system, heat pump

or 240 VAC control system. It can control some of those systems by

installing an isolation relay and a 24-volt transformer.

WIRE LABELLING

n If your old thermostat wall plate has more than two wires con-

nected to it, then you will need to label the wires. First look for

LETTER near each terminal where a wire is connected. These

terminals and markings may be on either side of the wall plate.

HEATING SYSTEM TYPE

o Disconnect and identify each wire.

The heating system type selector is located below the wire connec-

tor. Start first by keeping the selector at default position Hg. If the

fan switch is at FAN AUTO position and the fan doesn’t start when

the thermostat turns on the furnace, place the type selector at posi-

tion He.

p You may wish to tape the wires to the wall to keep them from

slipping through the hole in the wall. If the hole in the wall is

larger than necessary, fill it in order to prevent hot or cold air to

penetrate the thermostat. In this manner, the thermostat will

behave perfectly.

-WIRE HEATING SYSTEM

CHOOSING A LOCATION

Note: For a new installation, choose a mounting location about five

feet (150 cm) above the floor in an area with good air circulation and

away from:

Drafts or dead air spots, Air ducts, radiant heat from the sun or

appliances, Concealed pipes and chimneys.

Mounting the thermostat onto the wall

n Remove completely the slide door of the thermostat.

o Unscrew and remove the cover over the connector.

n Connect the heating relay to terminal W.

p Mark the holes posi-

tion and align the wire

coming from the wall

in the hole beside the

connectors.

o Connect the 24 VAC transformer to terminal Rh.

3-WIRE HEATING SYSTEM WITH FAN CONTROL

q Drill two holes and

insert the plastic

anchors carefully into

the holes until they are

flush with the wall.

r Fasten securely the thermostat to the wall with the two (2)

screws.

DISPLAY IN °C OR °F

After the installation of the battery, if

you want to change unit of the degree

displayed, follow these instructions

n Connect the heating relay to terminal W.

o Connect the fan relay to terminal G.

p Connect the 24 VAC transformer to terminal Rh.

(

see the illustration):

n From the back of the thermostat,

unscrew the cover.

4-WIRE HEATING AND COOLING SYSTEM

o For the °C display, the jumper in

JP1 is installed.

p For the °F display, the jumper in JP1 is removed.

q Re-install the cover in place.

r Press on the reset button.

CONNECTING THE LABELLED WIRES TO THE THERMO-

STAT

n Connect the system wires to the terminals according to the wir-

ing diagram shown in the section “wiring diagram”.

WARNING: Do not remove the jumper between terminals Rh and

Rc unless otherwise specified.

n Connect the heating relay to terminal W.

o Connect the cooling relay to terminal Y.

p Connect the fan relay to terminal G.

o Push on the wires in the wall and replace the cover over the

connectors.

p Install two (2) “AA” size batteries into the battery compartment.

q Connect the 24VAC transformer to terminal Rh.

-WIRE HEATING AND COOLING SYSTEM

your thermostat will operate without batteries, it is recommended to

replace the batteries when the display is showing “BATT”.

OPERATING MODES

The thermostat has four (4) operating modes: AUTOmatic, MANual,

TIMER ECONO and REMOTE ECONO.

AUTO

The AUTOmatic mode executes in sequence (hourly)

the recorded programs.

Press on the AUTO button. The “PROG” icon and

the running program will be displayed.

Pressing

button displays the tempera-

ture set point of the running program for five (5) seconds.

MAN

WARNING: Remove jumper between terminals Rh and Rc: Both 24

volts returns of the transformers must be connected together in

order to have the fan working with the heating and the cooling

system. *Otherwise, the fan will only work with the cooling system.

The MANual mode allows the user to bypass the pro-

gramming.

Press on the MAN button. The

displayed.

icon will be

*(both transformer supplies, 120/240 vac, must be the same).

n Connect the heating relay to terminal W.

o Connect the cooling relay to terminal Y

p Connect the fan relay to terminal G.

A first pressing on

temperature set point. Each subsequent pressing will change

the MAN temperature set point by 0.5°C (1°F).

displays the MAN

q Connect the 24VAC heating transformer to terminal Rh.

r Connect the 24VAC cooling transformer to terminal Rc.

TIMER ECONO

The TIMER ECONO mode holds the ECONO temper-

ature set point until user predetermined

REMOTE ECONO MODE

time and day is reached. Then, the thermostat turns to

AUTOmatic mode.

This operating mode avoids the user to reprogram his

thermostat for a prolonged absence (up to one week)

and allows for maximum savings.

Connect the auxiliary system (alarm or domotic system for instance)

between the terminals X (positive) and C (negative). The signal

from those systems must be 12 to 24 VAC or VDC.

To get into this operating mode, press and hold MAN button for

three (3) seconds.

The

icon, the return time and the ECONO temperature set

point will be displayed.

Press DAY, HOUR and MIN keys to specify the return time.

Press

point.

button to specify the ECONO temperature set

REMOTE ECONO

An auxiliary system as your alarm or domotic system for instance,

can turn your thermostat to ECONO mode. The thermostat holds

the ECONO temperature set point as long as the signal of the auxil-

iary system is applied.

The

icon is flashing to indicate that the auxiliary signal is

present.

When the auxiliary signal is removed, the thermostat returns to the

previous operating mode (see wiring diagram).

FIRST POWER-UP

FUNCTION SWITCH

When power is applied for the first time, the display

must show time and day as well as the ambient

temperature as follows:

If the display is different, press the RESET button.

Use a fine probe such as straightened paper clip to

gently push the RESET button.

This switch selects the functions: HEAT, COOL, and OFF.

HEAT:

COOL:

OFF:

Select that position to control the heating system. In

AUTO mode, the thermostat will refer to heating pro-

grams to control the temperature.

Select that position to control the cooling system. In

AUTO mode, the thermostat will refer to cooling pro-

grams to control the temperature.

Note: Your thermostat is using two (2) “AA” size

batteries to protect its memory against a power failure. Even though

This function shuts off the heating and cooling systems.

This function holds the temperature setpoint at 5°C

40°F) (heating) in order to prevent freezing. It is not

programmable.

PROGRAMMING SCHEDULE

(

Use following programming schedule as a memorandum before

programming or changing a program by writing down your schedule

of heating and cooling.

FILTER: The thermostat keeps a record of the number of hours

your filter has been used. It will display the total number

of hours the system has used the filter from the moment

the filter was replaced and that the filter counter was

reset to zero. After 250 hours of system operation, the

FILTER indicator will begin flashing, to remind you to

change or clean the filter and to reset the filter counter

back to zero. The filter counter will count up to a maxi-

mum 999 hours and stays there until you reset it again.

To reset the counter, press and hold the FILTER key

until the display shows 000.

Weekday programs (Mon.... Fri.)

Temperature Setpoints

Prog

Hour

Heating

Cooling

Weekend programs (Sat.& Sun.)

PROGRAMMING

TEMPERATURE SPAN ADJUSTMENT

The thermostat has an automatic return. When functions such as

the time recording, the program recording, etc. have not been com-

pleted by pressing the RETURN key, the thermostat will automati-

cally exit those functions after five (5) or ten (10) seconds.

The factory set temperature span is 1°C (2°F). For example, if the

temperature set point is 20°C (68°F), the heating system will turn on

at 19.5°C (67°F) and turn off at 20.5°C (69°F).

This span is programmable. You can choose between 0.5°C (1°F),

TIME AND DAY ADJUSTMENT

°C (2°F), 1.5°C (3°F) and 2°C (4°F).

n Press DAY, HOUR and MIN to adjust the time

and day.

To review or to change the temperature span:

n Press PROG while RETURN key is maintained.

o Release both keys.

o Press RETURN or wait five (5) seconds for

automatic return.

p Press

to select the new span.

PRE-RECORDED PROGRAMS

q Press RETURN or wait 10 seconds the automatic

return

This thermostat has four (4) preprogrammed heating and cooling

programs for weekday and two (2) for weekend. They can be used

as is or you can modify them at your convenience.

Note: Choosing a small temperature span such as 0.5°C (1°F) will

be more comfortable (less temperature variation in the apartment)

but in counter part, the heating or the cooling system will turn on

and off more often.

Weekday programs (Mon.... Fri.)

Temperature Setpoints

Prog

Hour

Heating

Cooling

CHARACTERISTICS

6:00 AM

8:30 AM

4:00 PM

11:00 PM

21°C (70°F)

17°C (63°F)

23°C (73°F)

27°C (80°F)

Model: TH123

Supply: 24 VAC, 50 / 60 Hz

Load: 1 amp maximum

Weekend programs (Sat.& Sun.)

Auxiliary input: 12 to 24 Volts AC/DC

Numbers of programs: 4 weekday programs and 2 weekend

programs

6:00 AM

11:00 PM

21°C (70°F)

17°C (63°F)

23°C (73°F)

27°C (80°F)

Storage temperature range: -20°C to 50°C (0°F to 120°F)

Operating temperature range: 0°C to 50°C (32°F to 120°F)

PROGRAMMING MODIFICATION

n Place function switch to HEAT position for heat-

ing programs or COOL for cooling programs.

AUBE TECHNOLOGIES INC. ONE (1) YEAR LIMITED WARRANTY

This product is warranted against material defects and workmanship in normal

use for a period of one year, from the date of the original purchase from

authorized dealers. Warranty does not cover transportation costs. Nor does it

cover a product subjected to misuse or accidental damage. This limited warranty

is in lieu of all other warranties, obligations or liabilities expressed or implied by

the company. In no event shall AUBE Technologies inc. be liable for

consequential or incidental damages resulting from installation of this product.

Within this period, any product proven defective in normal use will be repaired or

replaced at AUBE's option, without charge for either parts or labour, provided that

the defective product with the original sale receipt is returned to the original

dealer or is shipped prepaid, insured and addressed to:

o Press the PROG key. The display shows the pro-

gram’s starting time and temperature setpoint.

The Monday to Friday indicators are turning on

showing that this program is associated to the

days of the week. The program number 1 is flash-

ing to indicate the selected program.

Pressing again PROG key will scroll weekday programs 1 to 4

and weekend programs 1 and 2

p Select program to be modified using PROG key.

q Press HOUR and MIN keys to modify program’s starting time

AUBE TECHNOLOGIES INC.

and

buttons to modify program’s temperature setpoint.

Service centre

r Press RETURN key or wait 10 seconds for automatic return.

705, Montrichard Avenue

Saint-Jean-sur-Richelieu (Quebec)

Canada J2X 5K8

(450) 358-4600 or 1-800-831-2823

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