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  • Home
  • Unit overview and optional accessories
    • Scope of delivery
      • Figures
        • Specialist installer qualifications
          • Intended use
            • Non-intended use
              • Safety instructions
                • System and product information
                  • System description
                    • Constructional design
                      • Conformity
                        • Rating plate
                          • Protection classes
                          • Data control sheet for commissioning
                            • Guarantee
                            • Technical data
                              • System components
                                • Versions
                                  • Dimension tables
                                  • Installation instructions
                                    • Storing the devices
                                      • Transport of the units
                                        • Ceiling installation of units – General instructions
                                          • Minimum distances
                                            • Ceiling installation
                                              • Condensate drain
                                                • Condensate lift pump (optional accessory)
                                                  • Duct connections
                                                    • Water connections on heating and cooling registers
                                                    • Standards and regulations
                                                    • Electrical connections
                                                      • Overall view of switch box
                                                        • Power supply for the ventilation unit
                                                          • Electrical specifications of the RLT Flat air handling units and heat registers
                                                            • Mode 3 pressure sensor option
                                                              • Mode 5 options
                                                                • CO2 sensor
                                                                  • Temperature sensor
                                                                  • Circuit diagram of the electrical connections
                                                                    • Check sheet before commissioning
                                                                    • Control: Configuration – Wiring – Operation
                                                                      • Control functions
                                                                        • Notes before initial commissioning
                                                                          • Displays, buttons and LEDS
                                                                            • Login / Password
                                                                              • Log out
                                                                                • Automatic logout
                                                                                  • Change password
                                                                                    • Select language:
                                                                                      • Version number
                                                                                        • Menu system
                                                                                          • Temperature
                                                                                            • Time settings
                                                                                              • Access rights
                                                                                                • Changing parameters
                                                                                                  • Changing operating mode
                                                                                                    • Alarm events
                                                                                                      • Accesses on/off
                                                                                                        • Setpoint for supply air temperature control
                                                                                                          • Setpoint weather-dependent supply air control
                                                                                                            • Heat exchanger defrosting
                                                                                                            • Setting operating modes
                                                                                                              • Mode 3: Constant pressure control
                                                                                                                • Mode 4: Constant volumetric flow
                                                                                                                  • Mode 5: Demand-driven constant volumetric flow with CO2 control
                                                                                                                  • Time programming
                                                                                                                    • Time / Date
                                                                                                                      • Timer low speed, normal speed
                                                                                                                      • Manual / Auto
                                                                                                                        • PID controller
                                                                                                                          • Temperature control
                                                                                                                            • Fan control
                                                                                                                              • Saving and restoring settings
                                                                                                                              • Remote control
                                                                                                                                • Electrical connection
                                                                                                                                  • Dimensions
                                                                                                                                    • Display functions
                                                                                                                                      • LED indicators
                                                                                                                                    • Fault rectification
                                                                                                                                      • Checking alarms
                                                                                                                                        • Acknowledged and blocked alarms
                                                                                                                                          • Alarm list
                                                                                                                                            • Indication LEDs
                                                                                                                                              • Status display
                                                                                                                                                • Battery change
                                                                                                                                                  • MODBUS
                                                                                                                                                  • Freeze protection and heat register
                                                                                                                                                    • Accessories: Heat register/cooling register
                                                                                                                                                      • Electric preheating register PH (option)
                                                                                                                                                        • Electric supplementary heat register (EH) (Option)
                                                                                                                                                          • Water supplementary heat register WH (Option)
                                                                                                                                                            • DX cooling register NHKR DX (option)
                                                                                                                                                              • Combinations of heating and cooling registers
                                                                                                                                                                • Changeover option
                                                                                                                                                                • Hydraulic circuits
                                                                                                                                                                  • Diverter circuit
                                                                                                                                                                    • Admixing circuit
                                                                                                                                                                      • Injection circuit
                                                                                                                                                                    • Cleaning, maintenance
                                                                                                                                                                      • Safety instructions – must be observed every time the unit is opened!
                                                                                                                                                                        • Replacing the air filter
                                                                                                                                                                          • Air / air heat exchanger
                                                                                                                                                                            • Cleaning the condensate drain
                                                                                                                                                                              • Maintenance of the fans
                                                                                                                                                                              • Appendix
                                                                                                                                                                                • ErP data sheets
                                                                                                                                                                                  • Data control sheet after commissioning
                                                                                                                                                                                  • Removal
                                                                                                                                                                                    • Accessories and spare parts
                                                                                                                                                                                      • Environmentally responsible disposal
                                                                                                                                                                                        • Circuit diagrams
                                                                                                                                                                                          • Declaration of conformity
                                                                                                                                                                                            • Company information