NPCF Week 17 (4/22-4/28)
- Tower is cycling more more often of/off due to weather warming up.
- Sealed data center floor tile penetration to minimized air leakage, CRAH fans speed dropped from 100% to 75% saving energy
- Floor cleaned.
- New tower controller is working well.
- Submitted new facility PM in CMMS.
- Tedra will be working with WireCrafter to order the cage.
NPCF Week 16 (4/15-4/21)
- Chilled water issues
- per Luke, preliminary data shows the issues with chilled water is directly related to the XDP refrigerant temperature set point changes that was made recently not clogged stariners
- Also early in the season, changes to the chilled water differential pressure set point change (dropped from 30 to 25) may have contributed.
- The above 2 cause the XDP valve to operate at higher opening to maintain refrigerant temperature during transition.
- Operating at higher valve openping is good not bad thing
- But the nuisance alarms have be addressed
- Tower water treatment controller is up and running, it required to stop tower operation for 2 days.
- All water treatment now under control
- Reports of Weekly and monthly water treatment will be be generated.
- This could be the last week for tower operation for the season.
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