Test of Laser system chillers, 19 May 2026

AHU for the venting of the NI tower is ON during the test

***Status of the chillers:***
- NEOVAN head chiller (Termotec) is ON (located in the EEroom chiller ), its water pipes arrive on LB
- Main Chiller (OMI) is OFF (located in the EEroom chiller ), its water pipe arrive on LB and EIB
- NEOVAN Electronics chiller is OFF (located in the EEroom )

12:38 UTC - CEB AHUs experimental hall switched off 
12:41 UTC - INJ AHUs switched off
12:45 UTC - valves of the supply and return air distribtuions and outdoor valves are closed
13:09 UTC - NEOVAN head chiller is switched OFF --> all chillers are OFF
13:25 UTC - Only Main chiller swiched ON
13:36 UTC - Main chiller swiched OFF
13:39 UTC - Only Neovan electornics chiller swiched ON
13:52 UTC - Neovan electornics chiller swiched OFF
13:57 UTC - INJ AHUs siwtched ON and valves open
13:58 UTC - CEB AHUs hall switched ON

The test was completed with all chillers left OFF