Heating ventilation and air-conditioning control cabinet is a cubicle with a window on the front door that allows to perform visual inspection of system condition. To control and change system parameters it is necessary to open cabinet’s door. It will allow access to panel controller and other control units. 

Panel controller HMI has windows for settings, monitoring and events lists. Settings provide flexible system adaptation to operational requirements. Status sensors subsystem provides diagnostics of individual system units. 

Signaling of originated faults is shown on the cabinet’s control panel, and also transferred to SCADA system in order to inform personnel. 

Units for control, monitoring and signaling are located on the panels inside the cabinet. Power supply circuits, load circuits, control and monitoring circuits are connected through cable sealed inputs on the top (or bottom) of the cabinet.

• operating mechanisms: conditioners, fans, fan coils, pumps, shutters;
• sensors: temperature, pressure, gas-pollution, humidity; 
• units for control and switching of operating mechanisms; 
• units for display, data processing and communication with SCADA system.