Door Control System Door Control System − Automatic opening is achieved by connecting For automatic opening of closed rack systems: to the PU/PU Compact. Independently of this, – In the event of cooling system failures. the doors may be opened using the door – For extinguishing a fire using a fire extinguisher comfort handle/door switch system − In the event of a power failure, the doors will open Note: − The front and rear door must always be To be connected at rear: opened − Door Kit – Up to 16/2 door kits may be connected for Also required: automatic opening. CMC III processing unit/Compact, see page 788 − Door comfort handle or Door switch – Up to 16/2 door comfort handles/door switches may be connected for manual opening. CMC III CAN-Bus unit Door control – Processing Unit (7030.100) module – Processing Unit Compact Door 1/2 1 Door 3/4 2 System representation 1 Door kit 2 1 Door Control System: 2 Door comfort – A maximum of 16 door control handles systems per processing unit – A maximum of 2 door control systems per processing unit may be connected Door control module Part No. 7320.790 For activation of up to 4 door kits There is 1 H x W x D 1U x 5 x 5 control channel available per 2 door kits inches (mm) (44 x 136 x 129) (e.g. front and rear door). There is optionally a normally closed contact integrated for each door output, which is used to connect the automatic Rated voltage 24 V DC door switch, door comfort handle or a customer Door outputs 4 x 24 V DC, 400 mA specific system (e.g. room extinguisher system). Ports for CMC III CAN- 2 x RJ 12 Also required: bus unit − Mounting unit 7320.440, see page 794 Connection must be Normally closed contacts − AC power pack 230 V, see page 792 designed for 30 V DC, 1 A − Connection cable, see page 793 Temperature application +41° to +113° F range (+5° to +45° C) Humidity application 5% to 95% relative range humidity, non-condensing IP protection category IP 40 to IEC 60 529 796 Metric measurements for are exact, imperial measurements are rounded Rittal Catalog 33/System accessories
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