Visualization and control of the Grand Hotel Hradec in the Czech town of Pec pod Snezkou

October 6, 2021 | Reliance SCADA

The Grand Hotel Hradec, a high-quality piece of architecture situated in the town of Pec pod Snezkou, was put into operation in 2020. Surrounded by the beautiful Giant Mountains, the hotel has a lot to offer: 68 luxurious rooms, a stylish restaurant, or a delightful wellness center.

All of this is reflected in the building's state-of-the-art technological systems, such as HVAC, lighting, underfloor heating, and audio systems.

To monitor and control these systems, four Tecomat Foxtrot CP-1001 PLCs (control) and the Reliance SCADA/HMI system (visualization) are used in the hotel.

Control system

The system is used to control and monitor:

  • Heating
  • Hot water preparation
  • Cooling
  • Ventilation
  • Lighting in common spaces
  • DALI light scenes
  • Restaurant and facade lighting
  • DALI scenes in conference rooms
  • Local control (restaurant, conference rooms) via wall-mounted tablets
  • Audio systems in zones including the volume controls (communication via Ethernet)
  • Room modes linked to the hotel's heating and ventilation (underfloor heating, heat-recovery unit air reheating, blocking according to the status of the energy saver – guest entry card, window status – open/closed)
  • Air handling units for the conference rooms and restaurant

Hotel guests can control ventilation and heating in their rooms via a Touch@Glass switch.

The hotel's manager and receptionist can monitor all the technological systems via Reliance Control Server and a thin client (Reliance Web Client). In addition, the manager has full access to the system parameters. The receptionist, however, can only access the reception-related parameters.

The Reliance visualization project is divided into the following sections:

  • Hotel room overview by floors including details
  • Area details – wellness center and conference rooms (meeting) with the possibility to quickly change parameters
  • Scene control and lighting overview
  • Ventilation units and settings overview
  • Heating overview
  • Main boiler room overview including technological details
  • Electrical energy consumption overview (both total consumption and in each part of the building)
  • Service menu for setting the building's global parameters and for quick actions (bulk setting room modes – downtime/uptime)

The visualization project is supplemented with the PLC website that can be displayed on the wall-mounted tablets (restaurant, conference rooms) to quickly control a particular area (heating, ventilation, light scenes, audio).

Examples of visualization windows

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Grand Hotel Hradec

Grand Hotel Hradec