TH147-P & TH148LE-P
2. Installation
Programmable Thermostats
Installation
and User Guide
1. Introduction
The TH147-P and TH148LE-P programmable thermostats can be
used to control:
• a gas, fuel oil or electric furnace - 2 or 3 wires
• a central air conditioner - 2 or 3 wires
• a hot water system with or without pump - 2 wires
• a millivolt system - 2 wires
• a central heating and cooling system - 4 or 5 wires
Attention: These thermostats are not compatible with heat pumps
or multi-stage systems.
Display
Adjustment
buttons
Backlight
button
Note: The installation must be performed by an electrician or a qual-
ified installer.
2.1 Removing the Old Thermostat
IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, CUT
POWER TO THE HEATING/COOLING SYSTEM.
n Remove the old thermostat to access the wires.
Attention: If the old thermostat was mounted onto an electrical box,
it might have been powered by 120/240 volts. In this case, the
TH147-P or TH148LE-P thermostat cannot be used.
o Identify and label each wire (with the corresponding letter on
the wire terminal) and remove them from the terminals.
p If necessary, strip the end of each wire
(maximum of 6 mm).
q Wrap the wires around a pencil to prevent
them from falling into the wall.
r If the hole in the wall is too big, insulate it
using a non-flammable material in order to
avoid air draughts behind the thermostat.
2.2 Installing the New Baseplate
For a new installation, choose a location approximately 1.5 m
(5 feet) above the floor and on an inside wall. Avoid draughty
areas (top of staircase, air outlet, etc), dead air spots (behind
doors), direct sunlight or areas near concealed pipes or chimneys.
System operating
mode selector
Functions
Heating/cooling control X X
Fan control X X
7-day programming including:
- Pre-programmed energy-saving schedule
- Early Start
- Temporary bypass
- Time display (12 h or 24 h)
Programmable cycle lengths X X
Temperature display in °C or °F X X
Backlit display X X
Battery replacement indicator X X
Filter replacement indicator X X
Unoccupied mode activated remotely (requires Aube’s CT240) X
Interchangeable faceplates (titanium, charcoal & taupe) X
Automatic daylight savings changeover X
Fan operating
mode selector
Programming
buttons
TH147-P
X
X
X
X
X
TH148LE-P
n Remove the thermostat faceplate.
o Loosen the locking screw in order to separate the thermostat
X
X
X
X
X
from its baseplate (the screw cannot be completely removed).
p Gently tilt the thermostat upwards.
q Mark and bore the appropriate mounting holes (or use the
existing holes). Insert the plastic anchors.
r Pass the wires through the opening of the baseplate and fix the
baseplate to the wall using the screws provided.
TH147-P and TH148LE-P 400-147-000-D 18/4/06 1/5
2.3 Connecting the Thermostat
Refer to the following table for matching the wire labels with the
thermostat terminals.
Terminals Description Wire labels
Rh Heating power supply Rh, R, 4, V
Rc Cooling power supply Rc, R
W Heating signal W, W1, H
Y Cooling signal Y, Y1, M
GFan G, F
Un / Un Input for a remote control device (TH148LE-P only) -
Note: Do not connect wires identified as C, X or B. Wrap the bare
end of these wires with electrical tape.
n Loosen the screws of the terminal
block and insert the wires in the
respective terminals.
o Tighten the screws.
Important: The red jumper wire between
Rh and Rc terminals must be removed in a
5-wire installation.
2.3.1 2-wire Heating
Heat relay
2.3.2 2-wire Cooling
2.3.5 4-wire Heating and Cooling
Heat relay
Cool relay
Fan relay
2.3.6 5-wire Heating and Cooling
Fan relay
Heat relay
Cool relay
Note: Remove the red jumper wire between terminals Rc and Rh.
2.4 Remote Control Input (TH148LE-P only
)
The TH148LE-P thermostat has an input to which a CT240 telephone controller (optional) or any other remote control system (e.g.,
home automation) can be connected. When the input receives a
12-VDC signal, the thermostat switches from its current mode to the
unoccupied mode and vice versa when the signal is removed.
The unoccupied mode can be used to re-adjust the temperature to
save energy when you are away for an extended period of time. To
set the unoccupied mode temperature, see section 4.
2.4.1 Connecting to CT240
Connect TH148LE-P terminals UN and UN to
CT240 terminals A and C (no polarity to observe).
2.3.3 3-wire Heating
2.3.4 3-wire Cooling
Cool relay
Heat relay
Cool relay
Fan relay
Fan relay
2.4.2 Connecting to a Home Automation System
Connect TH148LE-P terminals UN and UN to a
12-VDC circuit as shown.
2.5 Setting JP2 Jumper
The jumper specifies how the fan will operate when it is placed in
automatic mode.
JP2 jumper
Leave the jumper in this position if you
HG
have a gas or fuel oil furnace.
Place the jumper in this position if you
HE
have an electric furnace.
TH147-P and TH148LE-P 400-147-000-D 18/4/06 2/5
2.6 Installing the Batteries
n Gently pull out the battery cover.
o Install the batteries as shown. Observe the polarity.
p Reinstall the battery cover. You will hear a clicking sound.
After the batteries are installed, the thermostat performs a
sequence of tests for approximately 5 seconds.
Afterwards, the thermostat displays the measured temperature. It is
normal that the displayed temperature be higher than the ambient
temperature if you hold the thermostat in your hands. Once installed
on the wall, the thermostat will display the ambient temperature. By
default, the setpoint is 21°C (70°F) and the operating mode is set on
manual.
The time and day settings flash to indicate that they must be set
(see section 5.1).
2.7 Completing the Installation
3.3 Viewing and Setting the Temperature
The ambient temperature is normally displayed. To view the setpoint, press once on one of the buttons. The setpoint is displayed for 5 seconds and is indicated by the symbol on the
display. During the setpoint display, press one of the buttons to
change it.
3.4 Backlight
The display illuminates for 12 seconds when the backlight button or
either of the buttons is pressed.
3.5 Thermostat Control Mode
3.5.1 Manual
The setpoint must be set manually. To place the thermostat in this
mode, press [ Mode ]. The house icon will disappear.
3.5.2 Automatic
The setpoint varies according to the programmed schedule. To
place the thermostat in this mode, press [ Mode ]. The current
period settings will be displayed. The four possible periods are:
Wake up Leave for work Return home Sleep
To see the default schedule settings, see section 5.3.
3.5.3 Unoccupied (TH148LE-P only)
To place the thermostat in unoccupied mode, see section 2.4. In this
mode, the icon is displayed and only the buttons work to
allow a temporary bypass.
n Once the baseplate and the batteries are installed, mount the
thermostat on the baseplate.
o Secure the thermostat using the locking screw and install the
faceplate.
p Apply power back to the system.
3. Basic Functions
3.1 System Operating Mode
Use this selector switch to set the system to heating
mode (HEAT), cooling mode (COOL), or Off.
Note: When you place the thermostat in cooling mode,
you might need to wait up to five minutes before cooling can start.
This delay is a safety feature for the compressor. will flash on the
screen until cooling can start again.
3.2 Fan Operating Mode
Use the selector switch to set the fan to automatic
mode (AUTO) or continuous mode (ON).
Note: This switch is not used in a 2-wire installation as
the fan is not connected to the thermostat.
AUTO The fan operates only when heating or cooling is activated.
ON The fan operates continuously.
3.6 Temporary Bypass
3.6.1 Automatic Mode
If you modify the setpoint (using the buttons) when the thermostat is in automatic mode, the thermostat temporarily bypasses the
current program. The new setpoint will be maintained for 2 hours,
then the thermostat will return to the program currently running in
automatic mode. The house icon flashes during the bypass.
3.6.2 Unoccupied Mode (TH148LE-P only)
If you modify the setpoint (using the buttons) when the thermostat is in unoccupied mode, the thermostat temporarily bypasses
the setpoint of the unoccupied mode. The new setpoint will be maintained for 2 hours, then the thermostat will return to the setpoint of
the unoccupied mode. The icon flashes during the bypass.
3.7 Filter Indicator
After 500 hours of operation, an icon appears to indicate that the filter needs replacement. Once the filter
is replaced, press [ Filter ] for 3 seconds to remove
the icon and reset the counter.
3.8 Battery Indicator
An icon appears when the batteries need replacement.
This icon will flash for 120 days, then the thermostat
will cut power to the heating/cooling unit. The icon disappears once the batteries are replaced and the thermostat reinstalled on its base.
Warning: Before removing the batteries, place the
system switch on the thermostat to Off. Otherwise, the
heating/cooling unit might still be running even after
the batteries are removed.
TH147-P and TH148LE-P 400-147-000-D 18/4/06 3/5
After replacing the batteries, set the time and day (see section 5.1).
For TH148LE-P model, set the date also (see section 5.2).
Note: The temperature and schedule settings are not erased when
the batteries are removed.
5.2 Setting the Date (TH148LE-P model only)
The date must be needed for the daylight-savings changeover function.
n Press [ Clk ] for 3 seconds to display the year.
4. Configuration Menu
DISPLAY DESCRIPTION DEFAULT OPTIONS
Temperature display °C °C or °F
Time display 12 h 12 h or 24 h
Early Start
Automatic daylight savings
changeover (TH148LE-P only)
Unoccupied mode setpoint - heating (TH148LE-P only)
Unoccupied mode setpoint - cooling (TH148LE-P only)
Heating cycles per hour
Cooling cycles per hour
1
When Early Start is enabled (On), the thermostat determines when heating or
cooling should start so the desired temperature is reached at the set time.
2
When this function is On, the thermostat automatically switches to daylight savings time on the second Sunday of March and to normal time on the first Sunday of
November (see section 5.2).
3
To enable the unoccupied mode, see section 2.4.
4
When either the heating or cooling parameter is displayed, use the Heat/Cool
selector switch to alternate between the two parameters.
5
For optimal heating control, use the setting that matches your system as follows:
2=30 min (steam, gravity), 3=20 min (hot water, 90%+ high-efficiency furnace),
4=15 min (gas or oil), 5=12 min (alternate setting for gas or oil), 6=10 min (electric).
6
The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min., 5=12 min.,
6=10 min.
1
2
3, 4
3, 4
4
4
Off On or Off
Off On or Off
10°C
(50°F)
35°C
(95°F)
4
4
5°C to 28°C
(41°F to 82°F)
15°C to 35°C
(59°F to 95°F)
2, 3, 4, 5 or 6
2, 3, 4, 5 or 6
o Set the year using and press [ Clk ] to dis-
play the month.
p Set the month using and press [ Clk ] to dis-
play the date.
q Set the date using .
r Press [ Exit ] to exit.
5.3 Pre-programmed Schedule
When set in automatic mode, the thermostat follows the programmed schedule. You can program up to 4 periods per day. To
program a period, you must set its start time, its heating setpoint
and its cooling setpoint. You can have a different program for each
day of the week.
Your thermostat is pre-programmed with the following schedule.
5
6
Pre-programmed settings MO TU WE TH FR SA SU
Heating 21°C (70°F)
Cooling 25.5°C (78°F)
Heating 16.5°C (62°F)
Cooling 29.5°C (85°F)
Heating 21°C (70°F)
Cooling 25.5°C (78°F)
Heating 16.5°C (62°F)
Cooling 28°C (82°F)
6:00 a.m.
8:00 a.m. --
6:00 p.m. --
10.00 p.m.
n To access the configuration menu, press the backlight button
for 3 seconds.
o To go to the next parameter (menu item), briefly press the back-
light button.
p To modify a parameter, press .
q Repeat steps 2 and 3 if necessary.
r Press the backlight button for 3 seconds to exit the configura-
tion menu.
5. Programming
5.1 Setting the Time and Day
n Press [ Clk ]. The hour flashes.
o Set the hour using .
p Press [ Clk ]. The minutes flash.
q Set the minutes using .
r Press [ Clk ]. The day flashes.
s Set the day using .
t Press [ Exit ] to exit.
In the pre-programmed schedule, all 4 periods are used for Monday
through Friday and only periods 1 and 4 are used for Saturday and
Sunday.
5.4 Customizing the Schedule
Use the following grid to record your new settings.
Periods Settings
Time
Heating
Cooling
Time
Heating
Cooling
Time
Heating
Cooling
Time
Heating
Cooling
MO TU WE TH FR SA SU
• Press [ Pgm ] to enter the programming mode. The settings for
Monday, Period 1 appear.
Program days
TH147-P and TH148LE-P 400-147-000-D 18/4/06 4/5
•
Start time
Day to program
Period number
Temperature
setpoint
• To select a day to program, press [ Day ] until the day is dis-
played. Hold for 3 seconds to select all 7 days.
(MO: Monday, TU: Tuesday, WE: Wednesday, TH: Thursday,
FR: Friday, SA: Saturday and SU: Sunday).
Note: When all 7 days are selected, the settings of the displayed
period are copied to all 7 days. For example, if period 1 is displayed and you then select all 7 days, they will all have the same
settings for period 1. Similarly, if you then display period 2 while
all 7 days are already selected, they will now have the same settings for period 2.
• To set the start time of a period, first press [ P# ] until the period
number is displayed and the time display flashes. Then press the
buttons. The time changes in 15-minute increments.
Note: If you want to skip (cancel) a period, press [ CLR ]. The
time and temperature display for that period will disappear. For
example, in the pre-programmed schedule, periods 2 and 3
have been skipped for Saturday and Sunday.
• To set the temperature for a period, first press
[ P# ] until the period number is displayed and the
temperature display flashes. Use the Heat/Cool
selector to display either the heating setpoint or the
cooling setpoint. Set the temperature using the
buttons.
• Press [ Exit ] to exit the programming mode.
6. Technical Specifications
Power supply: 2 AA batteries
Maximum load: 1 A @ 24 Vca per output
Unoccupied load: 12 VCC / ± 10% / 20 mA
Setpoint range (heating): 5 to 28°C (41 to 82°F)
Setpoint range (cooling): 15 to 35°C (59 to 95°F)
Display range: -10 to 50°C (14 to 122°F)
Storage temperature: -20 to 50°C (-2 to 122°F)
Temperature display resolution: 0.5°C (1°F)
Accuracy: ± 0.5°C (1°F)
Cycle length: 10, 12, 15, 20 or 30 min. (programmable)
Compressor short-cycle protection (minimum off time): 5 minutes
Program protection: non-volatile memory
Dimensions: 127 mm x 75 mm x 28 mm (5 in. x 3 in. x 1 in.)
7. Warranty
Aube warrants this product, excluding battery, to be free from
defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the
consumer. If at any time during the warranty period the product is
determined to be defective or malfunctions, Aube shall repair or
replace it (at Aube's option).
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.
This warranty does not cover removal or reinstallation costs. This
warranty shall not apply if it is shown by Aube that the defect or malfunction was caused by damage which occurred while the product
was in the possession of a consumer.
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 INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING,
DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF
THIS PRODUCT. Some provinces and states 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 HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF ANY
IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF
THIS WARRANTY. Some provinces and states do not allow limitations on how long an implied warranty lasts, so the above limitation
may not apply to you.
This warranty gives you specific legal rights, and you may have
other rights which vary from province or state to another.
8. Service
If you have any questions about the product installation, operation
or warranty, contact us at:
705 Montrichard
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
As an ENERGY STAR® partner, Aube Technologies has
determined that this product meets the E
TH147-P and TH148LE-P 400-147-000-D 18/4/06 5/5
guidelines for energy efficiency.
NERGY STAR
Loading...