tuya Mi-750 WiFi Smart Thermostat Instruction Manual
Code Parameter
Factory
setting
Possible settings Comment
01
Sensor
selection
01
01: Room sensor
with floor tempe-
rature limitation
02: Room sensor
03: Floor sensor
The device offers control of the underfloor heating using a floor and a room temperature
sensor. Optionally, either only one of the two sensors can be activated or both sensors can be
selected at the same time. In this case, the room sensor controls the heating depending on
the set maximum floor temperature (cf. code 04), which is used for limitation.
02
Room sensor
calibration
0 °C
-5 °C ... +5 °C
Allows you to calibrate the room sensor (integrated in the device) if the measured
temperature differs from the actual room temperature. The usual self-heating of the device
during its normal operation can affect the temperature measurement, as well as the
positioning of the thermostat, e.g. near other heat sources, windows, doors.
03
04
Floor sensor
calibration
Floor
temperature
limitation
0 °C
-5 °C ... +5 °C
Allows you to calibrate the floor sensor if the measured temperature differs from the actual
floor temperature.
Allows you to set a maximum floor temperature as the upper temperature limit. This is
particularly beneficial when, for example, laminate or click vinyl flooring is to be protected
from excessively high temperatures.
35 °C
+5 °C ... +60 °C
05
06
Week profile
5-1-1
5-1-1,
7
According to the selected week profile, either all weekdays can be programmed individually
or the working days are combined as one group.
5-1-1 = Mon to Fri (as a group) - Sat - Sun / 7 = Mon - Tue - Wed - Thu - Fri - Sat - Sun (each
weekday individually). Note: Relevant only for Program mode.
Adaptive start
(self-learning
mode)
Off (no)
On (YES),
Off (no)
By continuously analyzing the previous heating characteristics, the thermostat automatically
calculates the required turn-on time (preheating time) so that the set temperature can be
achieved in time until the programmed time. If this function is OFF, the thermostat will turn
on the heating exactly at the programmed time.
Note: Relevant only for Program mode.
07 *) Adaptive
start time
20 Min.
0-40 Min.
When the adaptive start function (cf. code 06) is activated for the first time, the heating is
switched on earlier according to the preheating time selected under this item. Through the
continuous analysis described under code 06, the preheating time for future heating periods
will be adapted step by step to the requirements.
(preheating
time)
08
Open window
detection
Off (OFF)
On (on),
Off (OFF)
The thermostat permanently monitors the room temperature. If it has dropped by more than
5 degrees within 15 minutes, the thermostat assumes that window is open and turns off the
heating for 30 minutes to save energy. Aſter this time, the heating control continues in the last
active operating mode. If you change the operating mode during the 30 minutes, the open
window detection will be cancelled immediately and the symbol on the display goes out.
Note: Open window detection is active even if only the floor sensor (cf. code 01, setting 03)
has been activated.
09
10
Floor sensor
type
10 kOhm
On (YES)
3, 5, 6.8, 10, 12,
15, 20, 22, 33,
47 kOhm
On (YES),
Off (no)
The device also supports other types of floor temperature sensors. This setting allows you to
specify the type of floor sensor by selecting the appropriate nominal resistance.
Anti-freezing
mode
Used to keep the temperature above the freeze point when a room is is not used for a longer
period of time. This prevents e.g. pipes from freezing. The thermostat keeps the temperature
above +5 °C. It means, at ≤ +5 °C the thermostat switches heating on, and switches off when
+7 °C is reached. If you have activated this function by selecting “On (YES)”, it will be active
even if the thermostat is in stand-by.
11 *) Holiday time
1 day (01)
1-99 days
Setting of time of absence for the operation of the heating system in holiday mode.
12
Switching delay 1 °C
0.5 °C, 1 °C, 2 °C,
3 °C
Switching delay means that the thermostat does not switch the heating on or off when exactly
the set target temperature is reached, but earlier or later by the selected switching tolerance
value.
Example: Set temperature 26 °C, switching delay 1 °C, the thermostat switches the heating on
at ≤ 25 °C and off at ≥ 27 °C.
The lower the set value for the switching delay, the more circuits of the controller.
The larger the set value, the less accurate the temperature control.
13 *) Display
accuracy
0.5 °C
0.5 °C, 0.1 °C
Setting at which degree of accuracy the temperature is to be shown on the display. Either 0.1
°C steps (e.g. 23.1 °C, 23.2 °C) or 0.5 °C steps (e.g. 23.0 °C, 23.5 °C).
14 *) Temperature
0.5 °C
0.1 °C, 0.5 °C, 1 °C
Setting in which °C steps the set temperature can be adjusted.
input steps
15
Reset
No (no)
Yes (YES),
No (no)
Allows to reset the device to factory settings.
Note: If “YES” is selected, long tap o to confirm until the main screen appears.
The device is now reset.
16 *) Display indica-
tion when device
is switched off
02
01: Displays “OFF” Allows you to select the information to be shown on the display when the device is switched
02: Temperature
is displayed
off.
17
Temperature
°C
1
°C, °F
Selection of the temperature unit, Celsius oder Fahrenheit.
unit
18 *) Device status
at restart (aſter
the device was
disconnected
from the power
supply)
1: Return to
previous
operating state
2: Device OFF
3: Device ON
Setting to which status the device is to be set aſter the power supply has been restored
(e.g. if a power failure occured).
1: The device returns to the previous operating state (from before the power interruption). If
the thermostat was switched off, it remains switched off. If the device was turned on, it returns
to the previous active operating mode.
2: The device is or remains switched off.
3: The device is switched on and continues to operate in the previous active operating mode.
14
| General | Details |
|---|---|
| Name | tuya Mi-750 WiFi Smart Thermostat Instruction Manual |
| Make | Tuya |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.71 MB |
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