Possible Clues:

• Chill in brand new castle from the start
• Chill with reserve forward
• Reason for cold storage in castle is cool
• Stop from spoiling
• Chill in castle with novel
• Chill in castle coming from 13 across
• Stop from going off to Newcastle? And that's for starters!
• Don't let Greens weaken castle on 13 across
• Don't let Greens weaken castle that's lively
• Enliven from time-to-time in new castle first