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24 | Controls and connectivity                                                                                                                                                                              Controls and connectivity | 25






          Control 8000 – easily expandable

          with function modules



          The Control 8000 architecture is modular and extremely flexible. The functions of the control device                                                                                  Connecting a Bosch CHP module via the
          can be expanded with different modules, thereby fulfilling to all your requirements. The device can                                                                                   Modbus RTU interface
          easily integrate up to four modules.                                                                                                                                                  ▶  Simple, quick and secure integration into
                                                                                                                                                                                                  the control concept
                                                                                                                                                                                                ▶   Request and release CHP unit via Modbus
                                                                                                                                                                                                ▶   Display CHP module operating messages,
          SI – Safety equipment                                 ▶   Communication of Control 8000 with heating boilers
          For connecting up to five external safety devices –     via an Ethernet interface                                                                                                       warnings or fault messages
          e.g. to fulfill DIN EN 12828:                         ▶   Communication with energy management system                                                                                 ▶   Automatical adjustment of individual
          ▶   Minimum and maximum pressure limiter can be         (EMS) heat sources via EMS BUS                                                                                                  parameters
            connected
          ▶  General 4-pole input (can be named individually)   MW – Integration of heating circuit and DHW
          ▶   Four 2-pole programmable inputs (can be named     functions
            individually)                                       For integrating heating circuit and DHW functions.
          ▶   Fault analysis and detection of the triggered safety   When controlling a heating circuit with or without
            device can be undertaken on the control device      actuator and heating circuit pump, the scope of func-
            or via remote access                                tions is the same as the MM function module. When
                                                                controlling a DHW circuit with a cylinder primary pump
          MM – Heating circuit integration                      and DHW circulation pump, the scope of functions                 MEC Remote for the Control 8000
          For integrating two heating circuits, with or without   includes:
          actuator:                                             ▶   DHW heating with own timing channel or time-linked
          ▶  Option of connecting a remote control                to the heating circuits                                        The Control 8000 control and functions can be accessed   The user interface at the customer level enables the
          ▶   Alternatively, an external day/night switchover with   ▶   Choice of DHW priority operation or simultaneous        at any time using an Internet-capable PC or mobile    heat source to be selected and offers a system over-
            optional time limit can be connected                  with heating circuits                                          device. The connection is set up via the integrated   view. The control device offers different views of and
          ▶   Heating circuit can be programmed as a pre-control   ▶   Control of a DHW circulation pump with interval           Internet interface on the Control 8000, using a router.   in hydraulic diagrams – revolutionary, yet also self-
            circuit via external request                          switching or continuous operation and individual               A 1:1 representation of the control display is then   explanatory. Settings in the switching program or in
          ▶   Potential-free input – e.g. for overriding a pump   timing channel                                                 transmitted to the device via the Internet. This means   the calendar, as well as on the manual control panels,
            fault                                               ▶   Optimised DHW heating using residual heat from               the system can be monitored and easily programmed     can also be made intuitively.
          ▶   Automatic modification of low-output temperature    the heating boiler                                             regardless of location. With the help of the Bosch portal
            in accordance with DIN EN 12831                     ▶   External fault signal input, e.g. pump                       and an optional gateway, even complex tasks, such as   With additional secure access, you can connect to the
          ▶   Holiday mode with a freely selectable lowering    ▶   External input for one-time DHW heating outside of           control centre software functions or data transfer, can   service user interface. This menu offers a clear selec-
            function                                              the set times or for activating thermal disinfection           be undertaken via the Internet.                       tion of all system components that can be changed,
          ▶  Manual operation of heating circuit via touchscreen  ▶  Daily thermal disinfection possible                                                                               such as boiler data, heating circuit data, DHW data and
                                                                                                                                                                                       other relevant function blocks for intuitive and effective
                                                                                                                                                                                       commissioning of the heating system.
          CM – Integration of conventional heat sources         AM – Integration of an alternative heat source
          For integrating up to four conventional heat sources:  For integrating an alternative heat source, e.g. a CHP
          ▶  Various combinations of heating boilers            unit, gas-fired heat pump, solid fuel burner or a buffer
          ▶   Parallel/serial operating mode to take into account   storage:
            the specific degree of use                          ▶   Integration of renewable heat sources, such as
          ▶   Integration of a strategic buffer cylinder for alterna-  a CHP module or heat pump, into the overall system
            tive system construction with start/stop sensors    ▶   Integration of buffer cylinders into the overall             Features                                              Advanced features
          ▶   Load limit either according to outside temperature   system using different types of circuits                      ▶   Monitoring of operating parameters on the user    ▶   Monitoring of operating parameters on the service
            or external contact                                 ▶   Request an “automatic” alternative heat source via             interface                                             user interface
          ▶   Sequence reversal for boilers either daily, according   potential-free contact to cover base-load demand           ▶   Error messages for current faults and indications   ▶   Parameter settings also available on the service user
            to outside temperature, based on operating hours      using selectable strategies and/or a time program                of any faulty components                              interface
            or external contact                                 ▶   Control the heat circuit of the alternative heat             ▶   Parameter settings available on the user interface  ▶  Alarms via SMS or e-mail
          ▶   Maximum of four function modules per system         source                                                                                                               ▶   Comprehensive system status – display of the
            (equal to 16 heat sources)                                                                                                                                                   current system operating status
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