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1、Regin product informationRegin product informationRC-DTO Room controller with display and three-point control Awardeddesign Simpleinstallation On/Offor0.10VcontrolRC-DTOisaroomcontrollerfromtheRegioMiniseriesintendedtocontrolheatingandcoolinginazonecontrolsystem. Backlitdisplay Inputforoccupancydete
2、ctor,windowcontact, condensationdetectorandchange-overfunctionRC-DTO is a room controller from the Regio series. It has four digital outputs for controlling two valves with three-point actuators (increase-decrease), and display. The controller does not have a communication connection.RegioRegio is a
3、 wide series of controllers which handle heating and cooling. The controllers are divided into three different series, Mini, Midi and Maxi. The Midi controllers are pre-programmed with communication. Maxi consists of freely programmable controllers with communication. The Mini group, to which RC-DTO
4、 belongs, are pre-programmed, stand-alone controllers.ApplicationsThe Regio controllers are suitable in buildings where you want optimal comfort and low energy consumption, for example offices, schools, shopping centres, airports, hotels and hospitals etc.See application example on page 3.DesignThe
5、controllers have a modern design. The design has been awarded the 2007 “iF product design award”. SensorThe controller has a built-in sensor. An external Pt1000-sensor can also be used.ActuatorsRC-DTO is used for controlling 24 V AC three-point actuators.Easy to installThe modular design with a sepa
6、rate bottom plate for wiring makes the whole Regio series easy to install and commission. The bottom plate can be put into place before the electronics are installed. Mounting is directly on the wall or on an electrical connection box. productdesignaward2007revision09 2009Regin product information2R
7、egin product informationDisplay handlingThe display has the following indications:It is possible to set different parameter values in a parameter menu in the display, using the buttons on the controller. You change parameter values with the INCREASE and DECREASE buttons and confirm changes with the
8、Occupancy button. Control statesRC-DTO can be configured for different control states/ control sequences:Heating Heating or cooling via the change-over function Heating/Heating Heating/Cooling Heating/Cooling with VAV-control and forced supply air functionHeating/Cooling with VAV-control Cooling Coo
9、ling/Cooling Operating modesThere are five different operating modes: Off, Unoccupied, Stand-by, Occupied and Bypass. Occupied is the preset operating mode. It can be changed to Stand-by in the parameter menu in the display. The operating modes can be activated via an occupancy detector or the Occup
10、ancy button.Off:Heating and cooling are disconnected. However, the temperature must not drop below the set minimum temperature (Factory setting (FS)=8C). Operating mode Off is activated on open window. Unoccupied:The room where the controller is placed is not used for an extended period, for example
11、 during holidays or long weekends. Both heating and cooling are disconnected within a temperature interval with configurable min/max temperatures (FS min=15C, max=30C).Stand-by:The room is in an energy save mode and is not used at the moment. This can for example be during nights, weekends, evenings
12、 etc. The controller is prepared to change operating mode to Occupied if someone enters the room. Both heating and cooling are disconnected within a temperature interval around the applicable setpoint (FS heating setpoint value=-3C, cooling setpoint=+3C).Occupied:The room is in use and is therefore
13、in a comfort mode. The controller regulates the temperature around a heating setpoint (FS=22C) and a cooling setpoint (FS=24C).Bypass:The temperature in the room is controlled in the same way as in operating mode Occupied. The output for forced ventilation is also active. Bypass is useful for exampl
14、e in conference rooms, where many people are present at the same time for a certain period of time. When Bypass has been activated by a press on the Occupancy button, the controller will automatically return to the preset operating mode (Occupied or Stand-by) after a configurable time (FS=2 hours).
15、If an occupancy detector is used, the controller will automatically return to the preset operating mode after 10 minutes absence. Occupancy detectorBy connecting an occupancy detector, RC-DTO can switch between Bypass and the preset operating mode (Occupied or Stand-by). The temperature is then cont
16、rolled according to requirement, which saves energy and keeps the temperature at a comfortable level.The Occupancy buttonIf you press the Occupancy button for less than 5 seconds when the controller is in the preset operating mode, the controller changes to operating mode Bypass. If you press the button for less than 5 seconds when the controller is in Bypass, it changes operating mode to the preset operating mode.W
