1.1 Electronic wall controller for cooling and heating operation THT310F-24 V, automatic rpm-variation
3 different rpms can be selected from the controller, or it can be set to the automatic position, in which case the controller will automatically select the desired speed. The device has also numerous other functions.
The THT310F wall controller is suitable for both 2-pipe and 4-pipe radiators. It is always equipped with an infrared eye, so that its settings can also be freely changed using an infrared remote controller.
The device is started using the on/off switch.
controller´s temperature setting is changed using the +/- arrow switch
The mode-switch is used to set the device to cooling with the cool, heating with the heat, or cooling/heating with the cool/heat settings
The fan-switch is used to set the device to the desired rpm 1,2,3,Auto. Auto means that the controller first sets the valve and then the fan rpm automatically 1?3. Once the room temperature has reached its set value, the fan in the circulating-air unit stops.
1.2 THT320F-24V has more versatile functions than the THT310F controller. In addition to above features, an external sensor can be connected to this model.
The controller is also equipped with a voltage-free switch that can be used for several different functions. With an external sensor the controller can be used to control the device from outside the room. The controller is an affordable solution for large office buildings, where you do not want to use a bus controller.
1.3 THT350F-24V enables control of the motor valve with 0...10 V voltage. Like the above models this controller is equipped with a display and is easy to use.
The controller can be controlled from outside the room with an external sensor. This controller is an excellent solution for controlling both an individual office and rooms in an office building.
1.4 THT410F The user can freely select manual operation or operation through a bus.
In large systems, THT410F is connected to the bus through an PS-485 port. The controller THT410F is an ordinary 24 V wall controller, equipped with a Modbus RTU connection. Cassette fan coils and flat blower units manufactured by Chiller Oy are allways equipped as standard delivery with relay cards that are controlled by the wall conroller. All functions and settings can be changed from a control room through the bus or the controller can be allowed to operate controlled by the bus in accordance with predefined instructions.