Electronic Systems Support

Demonstrator Racks

Rack coordination meeting25 November 2004

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Aims To construct complete racks to represent the two

types of installation ATLAS/CMS ALICE/LHCb

Including A representative set of subracks Electrical distribution Cooling Control

To allow studies to be made on: Rack control Subrack installation Cable management Cooling

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Status Three racks are in place in 4-S-060

One ATLAS/CMS rack One ALICE rack One LHCb rack

Cooling water connections Next week

Electrical connection ATLAS/CMS done – Canalis + distribution chassis ALICE/LHCb next week

Control See other report

Rack equipment Rack attachments – waiting on delivery of parts Heat exchangers – delivered, problem with water connections Turbine chassis – waiting on prototypes VME subracks

9U water cooled – available 9U air cooled – available 6U water cooled – available 6U air cooled – available

Installation complete for the end of the year Available to experiments for installation tests, etc. – January

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Racks – ATLAS/CMS, LHCb & ALICE

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Power distribution chassis

Rear of turbine chassis

To Twido4 outlets