E901WIFI is a wireless, Wi-Fi room thermostat which enables economical and ecological control of any type of heating. The operation of the thermostat is very simple and allows the user to adjust the heating cycle to user’s rythm of the day. Built-in WiFi module (in the receiver) enables remote control of the heating system via a smartphone or a tablet using the ENGO application Smart / TUYA Smart. The devices are pre-paired and ready for work.
Product Compliance
This product complies with the following EU Directives: 2014/53/EU, 2016/65/EU 868.0 MHz – 868.6 MHz; <13dBm WIFI 2,4 GHz
Please note!
This document is a brief manual of the installation and operation of the product and highlights its most important features and functions.
Use in accordance with national and EU regulations. Use the device only as intended, keeping it in a dry condition. The product is for indoor use only. Please read the entire manual, before installation or use.
Installation must be performed by a qualified person with appropriate electrical qualifications, in accordance with the standards and regulations in force in a given country and in the EU. The manufacturer is not responsible for non-compliance with the instructions.
WARNING:
For the entire installation, there may be additional protection requirements, which the installer is responsible for
Care for the natural environment is of paramount importance to us. The awareness that we manufacture electronic devices obliges us to dispose of used electronic components and devices safely. Therefore the company has received a registration number issued by the Chief Inspector for Environmental Protection. The crossed out symbol the trash can on the product means that the product must not be disposed of with ordinary waste containers. Sorting waste for recycling helps to protect the environment. It is the user’s responsibility to surrender used equipment to a designated collection point for recycling waste from electrical and electronic equipment.
Remove the thermostat cover as shown in the picture.
If there are batteries inside, remove them
Use a screwdriver to push the plastic tabs in as shown in the figure until you eel resistance, and tilt the front part of the housing.
Separate the front part from the back part in the direction shown above
Use the supplied mounting screws and mount the back cover to the wall (use holes as shown arrows)
Using the hinges on the left, fold the front and back covers together as shown in the picture above until they click into place.
Receiver’s switches description:
1. | LEFT SWITCH |
ON – Manual mode- receiver ON | |
2. | OFF – Manual mode- receiver OFF |
RIGHT SWITCH | |
3. | MANUAL – Receiver works in manual mode according to the left switch) |
4. | AUTO – Receiver works in AUTO mode (according to the thermostat’s command) |
LED indications in the receiver
The status of the receiver is indicated by two LEDs. These are LEDs with the following colors:
A detailed explanation of the meaning of the LEDs can be found in the table below:
DESCRIPTION | |
The red LED flashes | TThe red LED diode flashes – Receiver and thermostat are prepared for installation in the app. LED always flashes red: – immediately after connecting the receiver to the power supply, if the thermostat is not added to the app – after running the parameter “APP “-> YES (installer parameters) – after removing thermostat from the app (device automatically entered pairing mode) |
The red LED steady | The red LED diode is steady – E901 WIFI has not been installed in the app and it is working in Offline mode. It means also app pairing mode timed out (pairing with app must be done within 10 minute after enabling pairing mode). |
The green LED is solid | The receiver is connected to a router but there is no connection to Internet (router is offline) |
The iireen LED flashes | The receiver lost connection with a router (router is off) |
The LED is solid | The receiver is connected to a router that has Internet access (router is online) |
The LED flashes | The receiver was paired but lost communication with the thermostat due to out of range or low battery in the thermostat. When receiver lost communication with thermostat it starts flashing after 15 minutes. |
The orange LED is solid | In automatic mode, the receiver received a heating / cooling signal from the thermostat or the receiver was started in manual mode (left switch ON, right switch MANUAL) |
Theta UI.J44 – LED flashes | The receiver is in the pairing mode and is looking for a signal from the thermostat (then you must activate the “SYNC parameter in the thermostat). The receiver was paired but lost communication with the thermostat due to out of range or low battery in the thermostat. Orange diode starts flashing 15 minutes after lost communication from the thermostat. |
The range LED is off | The receiver does not send a heating /cooling signal. |
The pink LED is on | Update process started. To increase the chance of success of the update – immediately after the pink diode appears, dick any thermostats button to turn on backlight |
1. AM/PM | 9. Low battery indicator |
2. Clock | 10. Antifrost Mode |
3. Day of the week indicator | 11. Cooling mode |
4. Settings icon | 12. Heating mode |
5. Key lock function | 13. Temperature unit |
6. Send a signal (pairing) | 14. Room / setpoint temperature |
7. Internet connection | 15. Manual mode/ Temporary override mode |
8. Holiday Mode | 16. Program number |
Button | Function |
Change the parameter value down | |
Change the parameter value up | |
D | Set the day of the week |
H | Set the hour |
M | Set the minutes |
Manual mode | |
OFF mode / Holiday mode | |
AUTO mode / Back button | |
Programming / Program selection | |
Confirm function | |
Thermostat reboot, time reset |
Setting Time / Setting Date
In the online mode – the thermostat reads the current time from the application.
In the offline mode – D/H/M buttons are active and day/time can be set manually
D– Press D button to set the day
H– Press H button to set the hour.
M– Press M button to set the minutes.
Manual mode – temperature settings
In manual mode, the thermostat maintains a constant setpoint temperature as long as the user will not change it again or will not switch to another operating mode (e.g. schedule mode).
Press
The hand icon should be visible on the display.
Using
Confirm
OFF mode
To exit the OFF mode press again the
The thermostat will return to the previous mode.
Make sure your router is within range of your smartphone. Make sure you are connected to the Internet. This will reduce the pairing time of the device.
Use only Wi-Fi 2,4GHz network
STEP 1 – DOWNLOAD ENGO SMART APP
Download the ENGO Smart app from Google Play or Apple App Store and install it on your smartphone.
https://play.google.com/store/apps/details?id=com.engo.smartlife
https://apps.apple.com/us/app/engo-smart/id1606693444
STEP 2 – REGISTER THE NEW ACCOUNT
To register a new account, please follow the steps below:
STEP 3 – CONNECT THE THERMOSTAT TO WI-FI
When the blue LED on the receiver will light up, it means the device has been correctly added to the application and is now connected to the Internet.
E901WIFI pairing process with the receiver
E901WIFI THERMOSTAT IS ALREADY PAIRED WITH THE RECEIVER!
If you want to re-pair the receiver and thermostat with each other and then add it to the application, make sure that the receiver is disconnected from the power supply, and the switches on it are in the ON and AUTO positions. Then connect the receiver to the power supply and wait a few seconds. Next, move the left switch to the OFF position and back to the ON position with a quick motion. The orange LED will start blinking, which will confirm that the receiver has entered the pairing mode.
Press and hold the
Use
Confirm with
Using
The thermostat started to send a signal to find the receiver (the symbol of the blinking antenna) and started the countdown with the number 10 (min). The pairing process may take up to 10 minutes.
When the orange LED stops blinking, the devices have been paired on a new frequency.
The thermostat will display the message „good”, which means that the devices are successfully paired with each other. Thermostat will return to the next APP parameter in the service menu (adding to application).
You can skip this step and return to the main menu by clicking (OK) button a few times
To enter installer parameters press and hold
Use
Pxx | Function | Value | Description | Default value |
P01 | Heating/Cooling Selection | Cooling | ||
Heating | ||||
P02 | Control algorithm | 1 | SPAN ±0,25°C | 1 |
2 | SPAN ±0,5°C | |||
3 | TPI for Underfloor Heating | |||
4 | TPI for Radiators | |||
5 | TPI for Electrical Heating | |||
P03 | Offset temperature | -3.5 ° to + 3.5°C C | If the thermostat indicates wrong temperature, you can correct it by ± 3.5°C | 0°C |
PO4 | Relay type | NO | Normally Open type of relay | NO |
NC | Normally Closed type of relay | |||
P05 | Clock format | 24h | 24 hour | 24h |
12h | 12 hour | |||
P06 | Minimum setpoint | 5°C – 20°C | Minimum heating / cooling temperature that can be set | 5°C |
P07 | Maximum setpoint | 20°C – 35°C | Maximum heating / cooling temperature that can be set | 35°C |
P08 | Key sound | NO | Key sound Off | YES |
YES | Key sound On | |||
P09 | PIN Code | NO | Disabled | NO |
PIN | Enabled | |||
P10 | Require a PIN to unlock the keys every time | NO | Function disabled | YES |
YES | Function enabled | |||
SYNC | Pairing with receiver function | NO | Function disabled | NO |
YES | Function enabled | |||
APP | Pairing with application function | NO | Function disabled | NO |
YES | Function enabled | |||
CLR | Clear settings factory reset | NO | No action | NO |
YES | Factory Reset |
Thermostat supply | 2 x AA batteries |
Receiver supply | 230 V AC 50 Hz |
Receiver rating max | 16 (5) A |
Receiver outputs | Voltage-free NO/COM relay |
Temperature range | 5 – 35°C |
Control algorithm | TPI or Histeresis (±0.25°C or ±0.5°C) |
Communication | Wireless, 868 Mhz + WIFI 2,4 GHz |
Dimensions [mm] | thermostat: 150 x 84 x 22 receiver: 96 x 96 x 27 |
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