2.3Pump Protection
For hot water installations, it is recommended to activate the pump at least one minute every 24 hours in order to avoid seizure. Place switch #3 down to activate this function.
For all other installations, leave switch #3 in the Off position (otherwise your system will be activated 1 minute every 24 hours).
2.4Temperature in °C or °F
The TH135 is 
), Economy (
) and
Vacation (
) settings accordingly.
pBattery Installation
Appears when the
setpoint is displayed 
Temperature display
Percentage
of heating * 
Preset temperature icon
*The thermostat displays the percentage of heating required to maintain the desired tem- perature. For example, 
is displayed when heating is activated at 40 percent.
Display |
|
% of heating | 1 to 24% 25 to 49% 50 to 74% 75 to 99% 100% |
When you first install the batteries in the TH135, the unit runs a sequence of tests for approximately 5 seconds. After the tests, the screen should display the current temperature.
It is normal for the displayed temperature to be higher than the room temperature if you are holding the TH135 in your hands. It will return to normal about one hour after installation on the wall.
Mount the thermostat on the wall plate and screw it in place.
qTemperature Settings
Preset Temperature | Default Setting |
Comfort temperature | 20 °C (68 °F) |
Economy temperature | 18 °C (64 °F) |
Vacation temperature | 10 °C (50 °F) |
nTo set the Comfort temperature, select the desired degree using
the 
buttons and push the 
button until the 
icon is displayed (about 3 seconds).
oTo set the Economy temperature, select the desired degree
using the 
buttons and push the 
button until the 
icon is displayed about 3 seconds).
pTo set the Vacation temperature, select the desired degree using
the 
buttons and push simultaneously the 
and 
buttons until the 
icon is displayed (about 3 seconds). This setting is used by the telephone controller.
rTelephone Controller
The TH135 incorporates a telephone controller interface which allows you to switch from the 
or 
setting to the Vacation setting
(
), and vice versa using a touchtone telephone. You can, for example, start the heating of your secondary residence from your office on Friday, or your house from the airport or from your car on your way back from vacation.
5.1Connection to the CT240
The TH135 is designed to connect directly to the CT240 telephone controller. This combination allows the activation and deactivation of the Vacation setting from the CT240 or telephone.
Connect the CT240’s terminals A and C to the TH135's terminals X and C respectively. You must respect the polarity.
For details on operating the telephone controller, refer to the CT240’s instruction manual.
5.2Operating the Telephone Interface
You can activate the Vacation setting using the Vacation button of the telephone controller (
) or using a telephone from outside of the house.
nTo activate the Vacation setting, press the Vacation button of the CT240 (
). The Vacation setting will be displayed for 5 seconds
and the (
) icon will flash on the screen. You no longer have access to the TH135 keypad if this function is activated by the telephone controller.
oTo deactivate the function and return to the previous setting, press the Vacation button of the telephone controller again or
use a phone. The red light will go off and the (
) icon will disappear within 5 seconds.
sConnection to a Home Automation System
The Vacation setting can also be activated from a home automation system.
tBattery Replacement
The TH135 will display an icon indicating that the batteries must be replaced. This icon will flash for 60 days. After this period, the thermostat will shut down your heating unit.
After the battery replacement, you have to reprogram the 
, 
and 
settings (refer to section 4).
Even if the thermostat indicates the batteries are good, it is recommended to replace them once a year at the beginning of the heating season.
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