Aube TH144 Thermostat User Manual

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TH144

Installation and User Guide

HVAC Electronic Thermostat

Prepare and Connect the Thermostat

Installation

TURN OFF POWER TO THE SYSTEM AT THE MAIN POWER

PANEL TO AVOID ELECTRICAL SHOCK.

Installation should be carried out by an electrician or a qualified

technician.

1.1

Find a Location for the Thermostat

•

For a new installation, choose a location about 5 ft. (1.5 m) above

the floor and on an inside wall.

Loosen the captive screw

holding the base to the

module.

Gently lift the lower part of

the module to remove it

from the base.

Secure the base using the

wall anchors & screws.

Wire the thermostat.

•

Avoid locations where there are air drafts (top of staircase, air out-

let), dead air spots (behind a door), direct sunlight, concealed

chimneys or pipes, or air diffusers.

TABLE 1: Wiring Terminals

OUTPUT CONFIGURATION (MODEL)

Terminals

Connect to...

1H1C

2H1C

2H2C

3H2C

Supply 24 VAC

Common

Heat relay

1st stage heat

2nd stage heat

3rd stage heat

Compressor relay

1st stage cool

2nd stage cool

Fan

REM

Vcc (1)

Tx/Rx (2)

Gnd (3)

Unoccupied input (optional) - see 1.3

CT240/CT241/timer

AC144-02 Remote Temperature Interface - see 1.4

AC144-02

FIGURE 1: Typical Wiring Diagram (model shown TH144-3H2C)

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Connecting the REM input (optional)

1.5

First Power On

To remotely activate the Unoccupied mode, the REM input allows

connection to an optional CT240/CT241 telephone controller, a

central timer or an alarm system.

When you power TH144 for the first time, it

runs a sequence of tests and resets itself,

which lasts approximately 10 seconds. The

default setpoint is 20°C (68°F).

A closed contact remotely activates the Unoccupied mode (see 4.1).

NOTE: The displayed ambient temperature

might be higher than the real ambient temper-

ature if you are holding the thermostat.

24 VAC

Non-program-

mable models

Programmable

models

For the programmable models, open the thermostat’s door, and set

the time (Hour and Minute) and day (Day).

NOTE: Before you configure the TH144, make sure the thermostat

sits on the base for at least 5 minutes.

NOTE: To protect the compressor, TH144 has an On/Off delay of 2

or 4 minutes (default is 2 minutes) before starting or stopping the

system (see switch #4 in following section).

4 VAC

TIMER

1.6

Configure the TH144

Connecting the AC144-02 RTI (optional)

The

TH144

offers

many

The AC144-02 Remote Temperature Interface (RTI) connects to a

TH144 thermostat for remote indoor or outdoor temperature

readings.

configuration options using the DIP

switches located on the back of the

thermostat.

Default settings are inside the

shaded cells.

NOTE: Refer to the AC144-02 installation instructions for details on

how to connect the RTI to the thermostat.

NOTE: After first power-up, wait at least 5 minutes while the internal

battery is being charged before configuring TH144.

DESCRIPTION

DOWN

Display ¹

°C/24h °F/12h

Use this switch to select the display format.

Cycles

0 minutes = heavy commercial applications.

20 min. 15 min.

5 minutes = residential light commercial

applications.

₃2

Stages

.4.1 Remote Indoor Sensing

stages 3 stages

Use this switch to select between 2H1C or

H2C.

The REM icon indicates that the

temperature is controlled from a remote

location using the RTI’s housing sensor or

the connected probe(s).

(2H1C) (3H2C)

Keys (keypad lock)

To avoid undesirable changes. The icon is dis-

played when any button is pressed to indicate Lock

that the setpoint or operating mode cannot be

modified.

3²

Unlock

Temperature averaging can be obtained

using up to 4 probes.

To return to local control, disconnect the

RTI wires at the thermostat terminals and

turn off for at least 5 seconds.

Protect (short cycle protection)

This feature protects the equipment against

short cycling by setting a minimum ON/OFF

operating time.

4 min. 2 min.

Gas/Oil Electric

.4.2 Remote Outdoor Sensing

This ensures that the thermostat will not start or

stop a cycle if the minimum operating time has

not been reached.

The OUT icon indicates the outdoor

temperature read from the outdoor probe

connected to the RTI.

Heating

Outdoor temperature readings are for

information purposes only. This does

NOT affect the temperature control.

Gas/Oil = fan is OFF on a call for heat (the ple-

num thermostat starts the fan automatically).

Electric = fan is ON on a call for heat.

If you have modified your Heat and Cool setpoints, when you switch from

F to °C (or vice versa), the setpoints will revert to their default factory

values (see 2.2).

If your thermostat is a 3H2C model, switch # 3 can be used to configure

the thermostat as a 2H1C. However, if you have any other model, the

switch is used to lock the keypad.

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Select the Control Mode

Basic Configuration

The mode indicates which system is used for temperature control.

Use the Heat / Cool button to select one of the following modes:

Comfort Economy

Unoccupied

setpoint

Unoccupied mode

is activated

(

yellow LED is on)

HEAT

COOL

Controls the heating unit(s).

Controls the cooling unit(s).

Time and

day settings

Schedule

programming

Both units (HEAT and COOL) are OFF. The fan function

is still enabled but no setpoint changes are allowed.

OFF

Select

operating

mode

Automatic changeover. Automatically alternates

between HEAT and COOL. See section 4.4 for details.

PROGRAMMABLE

AUTO

NON PROGRAMMABLE

Select fan

mode

Predefined Setpoints

Predefined setpoints represent the temperature that you wish to have

during the day, at night or while you are away. The Comfort and

Economy setpoints are used with the Automatic mode (schedule, for

programmable models) while the Unoccupied setpoint can be used

with the Unoccupied mode (activated manually or remotely). This

table displays the default setpoints:

Select

control

mode

To adjust the temperature or to

view a setpoint (press once)

Predefined

Setpoint

Symbol

HEAT

COOL

Current day (see 1.5)

Current time

(

see 1.5)

Comfort

21°C (70°F)

17°C (62°F)

10°C (50°F)

25°C (78°F)

28°C (82°F)

35°C (95°F)

Room temperature OR

setpoint (arrow)

REM = temperature is

controlled using AC144-02

Economy

Unoccupied

See table below

(

see 1.4)

.2.1 To Modify the Predefined Setpoints

OUT = outside temperature

from the connected

AC144-02 (see 1.4)

NOTE: If your thermostat controls both HEATING and COOLING, the

predefined setpoints must be configured for both applications.

Current control

mode (see 2.1)

NOTE: The Cool setpoints cannot be lower than the Comfort Heat

setpoint. If this should happen, the TH144 will automatically set your

Cool setpoint 1°C (1°F) higher than your Comfort Heat setpoint.

HEAT

COOL

Programmable models only. Automatic Operating mode is

executing your schedule.

This icon is always displayed with the

represent the programs setpoints.

icon which

Programmable models only. Manual Operating mode. This

icon is either displayed alone (a manual setpoint was set) or

with the

icon

Comfort setpoint. Associated with programs 1 and 3.

Can also be used with manual mode or during a bypass.

Economy setpoint. Associated with programs 2 and 4.

Can also be used with manual mode or during a bypass.

Unoccupied setpoint. Activated from the TH144 or remotely

2.3

View the Current Setpoint

(REM input is connected to a remote system)

To view the current setpoint, briefly press one

The fan runs continuously.

of these buttons

once. The arrow

indicates the setpoint.

The heating system is ON.

The air conditioning system is ON.

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To program this schedule

Programming

Program Your Schedule

n Press Program. MO and P1 are

displayed.

The TH144 allows four setting changes for each day of the week.

o Press and hold Day for 3 seconds to

select all days of the week

There are no pre-set programs.

For each day, enter the time at which you wake up (P1), the time you

leave for work (P2), the time you return home (P3) and the time you

go to bed (P4):

(MOTUWETHFRSASU).

p Set the time (6:00) for P1 using Hour

and Minute.

q Press Program to select P2. Set the

time (8:30) using Hour and Minute.

Programs

Associated Setpoint

Time

Wake up

r Press Program to select P3. Set the

time (4:00 p.m.) using Hour and

Minute.

(

Comfort)

Economy)

Comfort)

(Economy)

Leave home

Return home

Night

(

s Press Program to select P4.

Set the time (11:00 p.m.) using Hour and

Minute.

(

t Press Mode/Return to exit

NOTE: For temperature increases (P1 and P3), allow at least 15

minutes per 1°C (2°F). For example, if you have lowered the temper-

ature by 3°C (6°F) during the night and you wake up at 7 a.m., pro-

gram the change for 6:15 a.m.

To erase programs 2 and 3 for

Saturday and Sunday

To reduce energy costs, you must lower the temperature for a period

of 2 to 3 times the delay required to bring the temperature back to

your comfort level.

n Press Program to access programming mode.

o Press Program until P2 is selected.

p Press Day to select Saturday (SA) and press Clear.

q Press Day to select Sunday (SU) and press Clear.

r Repeat steps 2 to 4 for P3.

.1.1 Set or Modify the Programs

•

After 60 seconds of inactivity, the thermostat will automatically exit

programming mode.

s Press Mode/Return to exit.

•

It is sometimes faster to program the same schedule for the entire

week and then modify the exception days.

Select the Operating Mode

The TH144 offers 2 operating modes:

n Press Program. MO and P1 are displayed.

o If necessary, press Day to select the day to be programmed or

hold Day for 3 seconds to select all days of the week.

p Press Hour and Minute to set the start time.

3.2.1 Automatic

This mode executes the programmed schedule.

To activate:

Press Mode/Return until

associated program setpoint icon is also displayed.

is displayed. The

NOTE: To clear an entry, press Clear; the time zone indicates

(- - : - -) when the program is inactive.

NOTE: This mode can be bypassed for up to

two hours (see 4.2).

q Press Program to select the next program.

r Repeat steps 2 to 4 for remaining programs.

s Press Mode/Return to exit.

.2.2 Manual

Maintains a constant temperature. To activate:

n Press Mode/Return until is displayed.

o Set temperature OR quickly press

to use a pre-defined setpoint.

.1.2 Programming Example

Comfort (programs 1 and 3):

•

starts at 6:00 a.m. and 4:00 p.m. from Monday to Friday

starts at 6:00 a.m. on Saturday and Sunday

Economy (programs 2 and 4):

•

starts at 8:30 a.m. and 11:00 p.m. from Monday to Friday

starts at 11:00 p.m. on Saturday and Sunday

Temperature setpoint

using arrow buttons.

Temperature setpoint

using a predefined set-

point button.

PROG MON

TUE

WED

THU

FRI

SAT

SUN

Fixed setpoint auto-

matic changeover *

Heat and Cool setpoints

are used for automatic

changeover *

6:00

8:30

6:00

8:30

6:00

8:30

6:00

8:30

6:00

8:30

6:00

--:--

6:00

--:--

4:00

11:00

if you are using the automatic changeover mode, see 2.1 and 4.4.

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When

Automatic Changeover

the AUTO mode (automatic

Other Information

Remote Unoccupied

When the REM input is connected to a central

system or a telephone controller and a signal is

received through this input, the TH144 will

switch to the unoccupied setpoint.

changeover) is selected, the thermostat

analyzes the system’s requirements and

automatically alternates between HEAT and

COOL mode to provide occupant comfort.

There are two ways to use the automatic

changeover mode:

•

The yellow LED on top of the display turns on

when the unoccupied mode is activated.

4.4.1 Fixed Setpoint (

)

When you set the temperature using the

TH144 uses this unique temperature setpoint for temperature control.

arrow buttons, the

•

The

icon is displayed.

For details on how to operate your telephone

controller (CT240/CT241), refer to its

manual.

The thermostat automatically switches to HEAT mode when the

ambient temperature drops under the temperature setpoint whereas

the COOL mode is activated when the temperature rises above the

temperature setpoint.

•

When this mode is activated remotely it can

only be deactivated remotely. Although, it can be bypassed for a

In order to switch modes, the ambient temperature must be

maintained over or under the control band for more than 12 minutes.

2-hour period (see 4.2).

2-hour Temporary Bypass

.4.2 Predefined Setpoint (

)

When the TH144 is in Automatic or Remote Unoccupied mode, you

can temporarily bypass the current setpoint for a 2-hour period after

which it will return to the previous mode.

When a predefined setpoint button is selected, the TH144 uses the

corresponding COOL and HEAT setpoint temperatures for

temperature control.

Automatic (schedule programs)

The thermostat automatically switches to COOL mode when the

ambient temperature rises above the COOL setpoint whereas the

HEAT mode is activated when the ambient temperature drops below

the HEAT setpoint.

•

Set the desired temperature

predefined setpoint.

or quickly press

to use a

Remote Unoccupied

In order to switch modes, the ambient temperature must be

maintained over or under the setpoint control band for more than 12

minutes.

•

Set the desired temperature

On non-programmable models, all buttons are locked except for

the buttons.

On programmable models, all buttons are locked except for the

Day, Hour and Minute buttons.

•

The yellow LED on top of the display remains on, but the

disappears.

icon

Fan Modes (Fan button)

The TH144 thermostat is equipped with a fan button offering two fan

settings: On and Automatic.

•

When On: ( ) the fan runs continuously.

The Automatic setting allows the fan to run only during heating or

cooling cycles.

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Technical Specifications

Power supply: 24 VAC

Warranty

;

AUBE warrants this product, excluding battery (if applicable), to be

free from defects in the workmanship or materials, under normal use

and service, for a period of three (3) years from the date of purchase

by the consumer. If at any time during the warranty period the prod-

uct is determined to be defective or malfunctions, AUBE shall repair

or replace it (at AUBE's option).

Maximum load: 1.5 A / 30 VAC per output

Remote input: dry contact, 24 VAC / 10 mA

Heat setting range: 5°C to 28°C (40°F to 82°F)

Cool setting range: 15°C to 35°C (60°F to 95°F)

Temperature display (ambient): -9°C to 70°C (16°F to 158°F)

Temperature display (outdoor): -50°C to 70°C (-58°F to 158°F)

Temperature resolution (display): 1°

If the product is defective,

(i) return it, with a bill of sale or other dated proof of purchase, to

the place from which you purchased it, or

(

ii) contact AUBE. AUBE will make the determination whether the

product should be returned, or whether a replacement product

can be sent to you.

Accuracy: ± 0.5°C (0.9°F)

Anticipation: Electronic anticipation independent from the load

Controller: Deadband adaptive

This warranty does not cover removal or reinstallation costs. This

warranty shall not apply if it is shown by AUBE that the defect or mal-

function was caused by damage which occurred while the product

was in the possession of a consumer.

Cycles: 15 or 20 minutes (at 50% operation)

Clock protection: 2 hours

Programming: protected memory

AUBE's sole responsibility shall be to repair or replace the product

within the terms stated above. AUBE SHALL NOT BE LIABLE FOR

ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCI-

DENTAL OR CONSEQUENTIAL DAMAGES RESULTING,

DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WAR-

RANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF

THIS PRODUCT. Some provinces, states or regions do not allow the

exclusion or limitation of incidental or consequential damages, so this

limitation may not apply to you.

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY AUBE

MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED

WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANT-

ABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS

HEREBY LIMITED TO THE THREE-YEAR DURATION OF THIS

WARRANTY. Some provinces, states or regions do not allow limita-

tions on how long an implied warranty lasts, so the above limitation

may not apply to you.

Dimensions (H/W/D): 4.94 x 3.83 x 1 inches (125.4 x 97.3 x 25.4 mm)

Accessories

AC144-02

Remote temperature interface with 10-foot indoor/out-

door probe.

AC144-03

CT240

Indoor/outdoor probe with 10-foot cable.

Telephone controller with one low voltage 12 VDC out-

put and one universal relay output (simultaneous oper-

ation). 9 VAC adapter and phone cable included.

CT241

Telephone controller with four universal relay outputs

(independent operation). 9 VAC adapter and phone

cable included.

This warranty gives you specific legal rights, and you may have other

rights which vary from one province, state or region to another.

_ꢀTechnical Assistance

05 Montrichard Avenue

Service Centre

10 rue Ampère

95500 Gonesse, France

Tel.: 33 (0) 1 34 07 99 00

Fax: 33 (0) 1 34 07 99 19

Email: advaube@comintes.com

Saint-Jean-sur-Richelieu, Quebec

J2X 5K8

Canada

Tel.: (450) 358-4600

Toll-free: 1-800-831-AUBE

Fax: (450) 358-4650

Email: aube.service@honeywell.com

For more information on our products, go to

www.aubetech.com

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