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BASIC TERMS:
SYSTEM SELECTION AND PURCHASE:
ENGO SMART:
COMPLAINTS:

1. Weekly and daily thermostat - basic differences.
- A daily thermostat is a thermostat in which there is no possibility of creating a schedule, which means that once the temperature is set, it will be maintained until the user manually changes the settings. The weekly thermostat allows the creation of schedules, i.e. user has the possibility of programming different temperatures, depending on different hours (time intervals).
2. What is the TPI algorithm?
- The TPI algorithm, compared to hysteresis, works differently. It selects "a few or several minutes' time pulses" of switching the heating device on and off in such a way as to keep the room temperature closest to the set values. Even when the temperature has already been reached, it still reheats with pulses to keep the room comfortable. TPI (Time Proporcional and Integral) is an algorithm that has a simple memory in its software to "learn" how room temperatures are reached and maintained. It has a basic calculation capability: "works" with collected data and current temperatures and "predicts" how long heat must be delivered (heating must be on). It's a kind of an "intelligent control" in that the heat delivery takes as long as it takes to reach the set point and shuts down, increasing energy efficiency. TPI works according to cycles, the duration of which is measured in numbers per hour. During normal use, you'll see the thermostat running for a shorter time as it approaches the set temperature. When the set point is reached, the periods of operation become short in order to maintain the temperature. On the E10 thermostat, the TPI algorithm can be selected for a specific type of heating (underfloor, radiator or electric).
3. Which wires should be used to connect the temperature thermostat to the boiler?
- The connection of the thermostat to the boiler is made with a 2 x 0.5mm or 2 x 0.75mm two-wire cable.
4. What is the external temperature sensor in the thermostat used for?
- The external temperature sensor connected to the thermostat can be used in two ways. The first is to place it in the floor - it then protects the floor from overheating or overcooling. The second way is to place it in another room to relocate the measuring point. The thermostat then does not use the built-in sensor, but only the additional one.
5. How to check the thread size of the valve insert on the manifold?
- There are two standard sizes of valve insert threads on the market. These are M30 and M28 threads. Information on what kind of valve insert you have can be found in the manifold manufacturer's documents or can measured with a caliper.
6. How many thermoelectric actuators can be maximally connected to each zone in the control box?
- Each control box has a different number of inputs for connecting actuators. If there is a need to connect additional actuators, we allow a maximum of six connections per zone, for example, using electrical cubes.
7. Can multiple receivers be used with a wireless thermostat?
- If a given model of thermostat allows pairing additional receivers, there is no objection to using them. For example, there may be a need to simultaneously run a boiler and a circulating pump, which are in different locations, and there is no possibility to prepare cables between these devices.
8. What are COM NO and NC contacts?
- The NC and NO markings tell us what condition the contacts are in when, for example, the thermostat does not start working.
  
  The NO (normally open) contact is opened when the thermostat has no heating demand, and closes when there is a heating need.
  
  The NC (normally closed) contact is closed when the thermostat has no heat demand, and opens when there is a need for heating.

1. Where do I get help to select a device or heating control system?
- For technical support regarding the selection or operation of equipment, please contact our Technical Department by email:support@engocontrols.com. You are also welcome to contact our region coordinators. A map showing the division by region is available here:
2. What information is needed to efficiently select a device or control system?
- In order to efficiently identify the appropriate control devices, we need basic information such as:
  - model and type of heating or cooling device (data from the nameplate);
  - for the control system of surface heating/cooling: the number of manifolds, the number of rooms;
  - control preferences: wired, wireless, with Internet support.
3. Where can I purchase ENGO equipment?
- We recommend purchasing through our distribution network. The list of companies can be found at: www.engocontrols.com/en/map/

1. Where can I download the ENGO Smart application?
- The ENGO Smart app is available for Android and iOS mobile devices.
  For Android devices, you can download the app from the Play Store
  For iOS devices, you can download the app from the App Store
2. Can one user have multiple ENGO Smart accounts?
- The ENGO Smart account is connected to an e-mail address, which at the same time is the login to the account. In case you need to have several accounts, it is necessary to create them with different e-mail addresses.
3. Can multiple people use the devices on one ENGO Smart account?
- The ENGO Smart application allows you to create "access levels" for different people.
  The division is as follows: owner, user, guest.
  Access can be granted to all or selected devices and additionally, for example, time limited.
4. Is the ENGO Smart application compatible with Tuya products from other manufacturers?
- All Tuya branded products are compatible with the ENGO Smart application. At the same time, ENGO Controls devices can be used in other Tuya-supported applications without any problems.
5. Are ENGO Controls products compatible with other Tuya applications?
- You can use ENGO Controls devices in other Tuya-supported applications without any problem. All devices are compatible.

1. What warranty period is provided for ENGO Controls brand equipment?
- ENGO Controls brand products come with a 5-year warranty. Detailed information about the warranty period can be found on the website at the link below: https://engocontrols.com/wp-content/uploads/2022/04/ENG-Warranty-terms-and-conditions-ENGO.pdf
2. Who to contact when the device(s) are not working?
- If you have a problem with your equipment, you are welcome to contact our Technical Department by email: support@engocontrols.com.
3. What documents are needed to claim a defective device?
- To make a claim, you must prepare two documents: a proof of purchase and a claim form, available here: https://engocontrols.com/wp-content/uploads/2022/04/COMPLAINT-PROTOCOL-ENG-ENGO.pdf
4. How long can the complaint process take?
- With the customer's best interest in mind, we reduce the complaint process to the minimum necessary.
  In the vast majority of cases, it takes 5 working days.

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