Automated control and diagnostics system for industrial air conditioners.

 

Operating mode:

• automatic (basic)
• manual - in setup mode

 

The system includes:

• Control panel
• Remote monitoring and diagnostics device (MDD)
• Remote control panel

 

Control panel:

• Display on the system status at the current temperature of cooled air.
• At the request it displays air temperature, according to which conditioner turns on and off, and inlet water temperature of the conditioner.
• Continuous archiving of emergencies, operative readjustments and conditioner operating hours.

 

Remote monitoring and diagnostics device:

• MDD has an LCD display, which displays text information and programmed values ​​(settings) of the system, archived information.
• The device power supply in the programming mode and archive view mode is carried out from the control panel. In independent mode - from stabilized power supply included in the delivery set
• MDD has the display illumination.

 

Remote control panel:

• The remote control panel is used to turn on / off air conditioner and light signaling of the presence of power supply on the control panel.
• There is the preparation / operation indicator on the remote control panel which signals the air conditioner operating mode.

 

Controlled variables:

• temperature of the cooled air
• inlet water temperature of the conditioner
• compressor's motor winding temperature
• discharge pressure
• suction pressure
• the difference between suction and discharge pressure
• temperature sensors status (discontinuity and short circuit)
• status of control relays, motor current protection and circuit breakers
• supply mains phase lose monitoring
• time slots formation and monitoring

 

Technical characteristics

• Power consumption, W: not more than 50
• Supply voltage, V: 380 V, 50 Hz three-phase mains
• Temperature range, ° C: 0 ... +75

 

Overall dimensions: control panel: 200 x 400 x 600
Weight, kg: less than 40

 

Enclosure protection: IP55

 

Operating conditions

 

Operating temperature range: 0 °С ...+50 °С

 

Consumers

 

Melitopol factory of refrigerating mechanical engineering (Ukraine)