Reports until 10:01, Friday 05 November 2021
H1 TCS
camilla.compton@LIGO.ORG - posted 10:01, Friday 05 November 2021 (60547)
CO2 chillers - current status
Thermo scientific NESLAB ThermoFlex1400 -  R134Am19. OZ HIGH 348.0 LOW 200 PSI (manual)
[in Mechanical Room Mezzanine]
TCSX: S/N ...822
TCSY: S/N ...617 
Spare: S/N ...813 
 
ThermoFlex1400 - HFC134A 19 OZ HIGH 400 PSIG LOW 150PSIG
Different version, back connected differently. See SRM verus spare.
[in LVEA by Hi-bay door]
old SRM: S/N ...051
 
Both TCSX and TCSY chillers are currently working well, keeping constant tempuratures and flow rates (see alog 60493).
We plan to swap in the spare in the next few weeks to see if it is a fully functioning spare before O4. We suspect the spare may not keep temperature stable enough- alog 51996.
Images attached to this report