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CRY (Cryostat IY)
nobuhiro.kimura - 13:21 Friday 05 August 2022 (21710) Print this report
Turned "ON" two duct shield cryo-coolers for IYC
When: 13:13 05/Aug./2022
Who: Kimura
Task:
I turned "ON" two duct shield cryo-coolers for IYC.
Both end of the duct shields for the IYC are started cooling down at 13:13 on 05/Aug./2022.
Comments to this report:
shinji.miyoki - 7:27 Monday 08 August 2022 (21724) Print this report

The IYV/C temp seemed to be up by 0.1C.

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takafumi.ushiba - 9:02 Monday 08 August 2022 (21725) Print this report

[Shiota, Ushiba]

Before starting cryocoolers, we centered MN RPY and V OpLevs.

shinji.miyoki - 10:58 Monday 08 August 2022 (21727) Print this report

I turned off 2 of 10 FFUs in the IYC clean booth. 8 are now operated.

shinji.miyoki - 7:54 Tuesday 09 August 2022 (21736) Print this report

The IYV temp keeps gradually increasing.

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shinji.miyoki - 9:18 Wednesday 10 August 2022 (21745) Print this report

The IYV temp reached 22.6 and fluctuated.

Because I doubted some troubles of the air conditioner, I asked Hayakawa-kun to check it. However, he could not find any unusual situation in it.

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