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Use Cases: Smart Heating with HELTUN Heating Thermostat



HELTUN Heating Thermostat is a perfect tool to control your heating system and integrate it into a smart Z-Wave environment providing remote control and energy savings. There are a lot of use cases to implement with HELTUN Z-Wave Heating Thermostat:


Controlling electric underfloor heating system

HELTUN Heating Thermostat controls an underfloor heating system by adjusting the temperature of the system based on the desired temperature set by the user. In order to adjust the temperature of the underfloor heating, the NTC sensor is typically placed inside the underfloor heating to measure floor temperature and send temperature readings to the thermostat.


The thermostat can also use data from other sensors, such as motion and occupancy sensors, or security alarm, to optimize the heating for energy efficiency. The thermostat can also be controlled from the Z-Wave hub that receives data from other temperature sensors and thermostats.



Controlling electric boilers and radiators

HELTUN Heating Thermostat controls the electric boilers and electric radiators by sending a signal to the boiler or electric radiator to turn on or off based on the desired temperature set by the user. The thermostat can also use data from other sensors, such as motion and occupancy sensors, or security alarm, to optimize the heating for energy efficiency. The thermostat can also be controlled from the Z-Wave hub that receives data from other temperature sensors and thermostats.



Controlling water heating system and water radiators

HELTUN Heating Thermostat regulates the temperature in the room by controlling electric water valves based on the desired temperature set by the user.



Retrofit to existing heating system without wiring

HELTUN Heating Thermostat can make your heating system smart without wiring. In order to do that the thermostat should be associated with a Z-Wave valve and will control this valve based on the desired temperature set by the user.



Zone temperature control with HELTUN Heating Thermostat

Use HELTUN Heating Thermostat to control one zone in your building by wiring or associating it with water valves inside the zone. The Heating Thermostat will control the valve(s) based on the desired temperature set by the user.



Measure precisely how much you spend on heating

The Heating Thermostat precisely measures power consumption of the connected heating system and sends the data to the Z-Wave Hub. You can see how much you spent on the heating for the given time period, total consumption of your building, or consumption of an individual zone.



Using external connections to control heating mode via security alarm or button

HELTUN Heating Thermostat has external connection inputs S1/Sx to wire external devices like security alarms or buttons. When S1/Sx is short-circuited, the Heating Thermostat activates preset mode or turns off. Examples of typical use cases:

  • automatically activate energy-saving mode when you activate an alarm leaving your home,

  • automatically activate energy-saving mode when you press the bedside “go to sleep” push button.



Making your existing floor heating system smart

Although HELTUN Heating Thermostats come with 3-meter NTC sensor in the box, it is possible to connect it to any NTC sensors ranging from 1 to 100 kΩ. Just replace your “dumb” heating thermostat with HELTUN’s smart one and enjoy intelligent functionality that makes your life comfortable and your heating system energy-saving!

Note: If an NTC sensor other than 10 kΩ is used, sensor parameter value should be changed in the settings menu.



Using voice control to regulate heating

Many Z-Wave hubs work with virtual assistants such as Alexa or Google Assistant, which allows you to control connected thermostats using voice commands.



Create intelligent programs based on floor temperature, room temperature, and time

HELTUN Heating Thermostat allows you to set limits for floor and room temperature, as well on/off time duration. This provides the opportunity to set up several different combinations of intelligent heating control:


  1. AF – Air sensor plus floor sensor: Set point is applied to the room temperature sensor but the thermostat also keeps the floor temperature within the set limits.

  2. FA – Floor sensor plus air sensor: Set point is applied to the floor temperature sensor but the thermostat also keeps the room temperature within the set limits.

  3. tA – Time regulator + Air sensor: Heating is on or off for the specified period of time but keeps room temperature within the set limits.

  4. tF – Time regulator + Floor sensor: Heating is on or off for the specified period of time but keeps floor temperature within the set limits.



Quickly dry wet floors with DRY mode

Activate DRY mode if a high floor temperature is required for a limited period of time. For example, after washing the floor. A time range of 5 to 90 minutes can be set. As the Dry

Time passes, the Thermostat will automatically change Mode to the one set in special parameter “Mode To Switch After Dry Mode Operation Completion”.



Vacation mode: super energy saving mode to activate when you leave for some days

Use energy-saving VAC mode when you are planning to be away from home for some period. The factory default temperature set point is 15.0°C, but any temperature from 1°C to 37°C can be set.



Scheduling your heating profiles with TIME mode

HELTUN Heating Thermostat can have different temperature schedules for Morning, Daytime, Evening and Night. For example, the “Morning” schedule could be set to 22.0°C starting at 6:00. The “Day” schedule could then be set to 17.0°C at 9:00 when everyone has left for work or school, and so on. The set point will be automatically changed upon activation of the next schedule.



Using Heating Thermostats to control heating in each room via water heating manifolds

Each Heating Thermostat has only one relay output so controlling heating manifolds with a lot of valves requires a lot of thermostats and extensive wiring. In order to control temperature in each room, heating thermostats are installed in each room and connected to Relay Switch Quinto via Z-Wave association. Relay Switch Quinto is placed next to the heating manifold; it has 5 relay outputs and can control up to 5 individual valves. Because you don't have to wire each thermostat to a valve with this installation, you won't need a lot of wiring.



Using built-in hardware consumption meter to create scenarios

Energy saving scenarios may be activated based on measured consumption for a given amount of time. For example, decrease heating temperature if certain amount of kWh per month is exceeded.



Using Heating Thermostat to remove ice from roofs and paths

Heating Thermostat may be connected to an electrical de-icing system that prevents ice formation. As HELTUN Thermostat may work at very low 1–4°C set points, it gives you an energy saving solution for keeping your roofs, paths, gutters, downspouts, and eaves constantly de-iced.



Controlling electric fireplaces

HELTUN Heating Thermostat controls the electric fireplaces by sending a signal to turn on or off based on the desired temperature set by the user. The thermostat can also use data from other sensors, such as motion and occupancy sensors, or security alarm, to optimize the heating for energy efficiency. The thermostat can also be controlled from the Z-Wave hub that receives data from other temperature sensors and thermostats.



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