The T091 thermostat is designed to control heating and air-conditioning systems.
Important
Thermostat setting buttons can be found under the front cover. Move the front cover right to see the buttons.
Thermostat buttons
Thermostat battery compartment Hole to mount the thermostat on the wall
Display backlight
Pressing any button except Reset activates the display backlight for 20 seconds.
INSTALLATION
Note:
Before replacing the thermostat, disconnect the heating/air-conditioning system from the main power in your flat. This will prevent potential electrical accidents.
Thermostat location
Thermostat location significantly affects its function. Choose a location where members of the family spend most of their time, preferably on the inside wall where air circulates freely, with no direct sunshine. Do
not place the thermostat in the vicinity of heat sources (such as TV sets, radiators, and fridges), or close to a door (due to frequent shocks or vibrations). If you don’t comply with these recommendations, it will
not control room temperature correctly.
Thermostat installation
Mounting the thermoregulator directly onto the wall without mounting plate Openings for mounting the thermoregulator onto the wall (without mounting plate)
Drill two 6 mm holes into the wall
You can use a mounting template with marked-out openings for mounting. Insert wall plugs and tighten the left screw leaving a 3 mm distance. Fasten the thermoregulator by placing it on the screw head and moving it right (notice the keyhole-shaped opening at the back of the thermoregulator). Tighten the main screw and secure the thermoregulator in position.
Note: You don‘t need wall plugs for wooden walls. Drill two 2.7 mm holes instead of 6 mm holes.
Mounting the thermoregulator with a mounting plate
Place the mounting plate onto the desired spot on the wall and mark two openings for mounting. Drill two holes 6 mm in diameter in these spots. Insert wall plugs and attach the mounting plate with two screws (figure A). Check that the plate is firmly fixed. Carefully mount the thermoregulator onto the mounting plate (figure B). Fasten the thermoregulator by placing the left opening in the shape of a keyhole onto the screw first, then moving the regulator right and pressing it in place. To remove the thermoregulator from the plate, use a screwdriver and carefully push into the right opening and remove the thermoregulator from the plate.
Note: You don‘t need wall plugs for wooden walls. Drill two 2.7 mm holes instead of the 6 mm ones.
Wiring Diagram
Diagram of power connection of thermostat T091FL to “NO” boilers
In the case of the NC boiler, the thermostat should be set to COOLING mode.
Diagram of voltage-free connection of thermostat T091FL to “NO” boilers
In the case of the NC boiler, te thermostat should be set to COOLING mode.
Putting into operation
Remove the front cover and insert 2× 1,5 V AA batteries. Only use alkaline batteries, not rechargeable ones. Insertion of batteries starts the thermostat and activates the display. If the thermostat is not working properly, please check the polarity of the batteries, and the charging state of the batteries, or press the Reset button.
Note: Remember that the first pressing of a button activates the display backlight, the next pressing sets values/functions.
Setting day/time
Set the current day by pressing the D button repeatedly (1–7 = Monday to Sunday). Set the current hour by pressing H repeatedly, set the current minute by pressing M repeatedly.
Note: When you press and hold a button for 2 seconds, the setting process is accelerated.
Displaying/setting comfort temperature and economy temperature
Press and hold Temp to go to the temperature display/change mode. The display will show the currently set value of temperature mode (
Note: Anti-freeze mode temperature
Example:
If the thermostat is currently in the mode
Note: Default temperature
Manual setting of temperature
Press
Increase in the time of manual change of temperature
Press and hold
You can set 1 to 24 hours, in 1-hour increments
Press OK to return to the current operation mode. The hand icon is not displayed. During the defined time, the temperature is not affected by the program. If the increased time mode is active, pressing the relevant button of temperature mode change (e.g., if comfort mode is defined) will show the remaining time. The remaining defined time can also be changed by pressing the same button repeatedly. If you press another temperature mode button (e.g. when the comfort mode is defined), the timer of the defined time is cleared.
Displaying/setting the temperature program
Press repeatedly Prog.
Each depression will show the temperature program for each day of the week and the number of days. E.g.: The displayed day number is 1 (Monday) and PROG 1 is shown above the number. To select the temperature program for a certain day, press
Black section = comfort temperature
Empty field = economy temperature
Programs 0 to 5 are factory pre-set, they cannot be changed.
Program 0 has an anti-freeze temperature of 7 °C defined for all day.
Users can change the settings of programs 6 to 8.
If you want to create your own program, proceed as follows. Press Prog repeatedly to select the required day (the day number is shown). Now press the Prog # button repeatedly and choose program 6, 7 or 8.
The display will show the program number, e.g. PROG 6. Now press the
Selecting the heating or cooling mode
Long press OK for approximately 8 seconds to enter settings. The heating icon
5min delay (dLY)
Long press OK for approximately 8 seconds to enter settings. Release the OK button, then short press it again. “dLY” will be flashing on the display.Press OK to confirm delay mode (ON), or press the / button to switch off this function (OFF), then press OK. When this function is enabled, the external system is only switched on when it has been off for more than 5 min. If you select cooling, this function is enabled automatically.
Temperature variance (SPAN)
Variance (hysteresis) is a temperature difference between switching on and off. If for example you set the temperature in the heating mode to 20 °C and variance to 0.8 °C, the thermostat starts to act as soon
as the room temperature drops to 19.2 °C and is switched off when the temperature reaches 20.8 °C. Long press OK for approximately 8 seconds to enter settings. Release the OK button, then short press it again twice. SPAN will be flashing on the display. Use the / buttons to set the required value of variance. You can select 0.2; 0.4; 0.8; 1.4; 1.8 °C. Press OK to confirm.
Reset
If the thermostat is not working properly, you can switch it to default setting by pressing the Reset button. This procedure deletes all settings. To press the reset button, do not use a pencil, graphite remnants may cause a short circuit and damage the thermostat. Use e.g. a ballpoint pen.
The product is designed to provide trouble-free service for many years if operated appropriately. Here is some advice for proper operation:
This device is not intended for use by persons (including children) whose physical, sensory or mental disability or lack of experience and expertise prevents safe use, unless they are supervised or instructed in the use of the appliance by a person responsible for their safety. It is necessary to supervise children to ensure they do not play with the appliance. Do not dispose of the product or the batteries after the end of their life as unsorted municipal waste, use sorted waste collection points. Correct disposal of the product will prevent adverse effects on human health and the environment. Recycling of materials contributes to the protection of natural resources. For more information about recycling of this product, contact the municipal authority, the organization for processing household waste or the point of sale where you purchased the product.
NOTE: The contents of this manual may be changed without prior notice – because of limitations in the printing the symbols shown may differ slightly from the display – the content of this manual may not be
reproduced without the manufacturer’s permission. The product was issued a declaration of conformity. Detailed manual can be found at: http://www.emos.eu/download.
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