Product Description

DDC420 is a controller with operator function and integrated Web server for remote control.

Application

• DDC420 is a controller for closed-loop and open-loop control, monitoring and optimizing heating, ventilation and air conditioning systems
• Native BACnet® in accordance with DIN EN ISO 16484-5 (BACnet® server functionality) BACnet IP and BACnet MS/TP facilitates communication with the BMS by Ethernet or modem
• Illuminated graphic display
• Control panel with selection knob and function keys
• Weekly schedule and annual schedule
• Trend data can be saved and visualized
• Different, password-protected operating levels for displaying and changing plant values
• User interface available in 12 languages (Czech, Dutch, English, French, German, Hungarian, Italian, Latvian, Polish, Russian, Spanish and Swedish)
• Three closed-loop control circuits for heating or two for ventilation, which can be extended by hardware and software objects
• Malfunction message logging with time and date

Technical Data

• Nominal voltage: AC 110 V to 230 V 10%; 50/60 Hz; 21 VA
• Fuse: Time-delay power fuse, 1.25 A
• Displays: Backlit graphic display, LED “messages” for malfunction messages and “manual” LED for configurable messages
• Backup: CR1225 (Renata)
• Installation: Standard rail TH 35x7.5 in closed housing
• Dimensions: WxHxD: 143.5 x 90 x 67 mm

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