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installation_fp_sci [2018/04/11 16:26]
pereira [Pumping focal-plane chamber]
installation_fp_sci [2019/04/28 18:17] (current)
pereira [Vent focal-plane chamber]
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 ===== Vent focal-plane chamber ===== ===== Vent focal-plane chamber =====
   * Open the [[hv_bias|HV Remote Control]] GUI and ensure that the focal-plane detectors are unbiased   * Open the [[hv_bias|HV Remote Control]] GUI and ensure that the focal-plane detectors are unbiased
-  * Open the [[gas_handling_system#​labview_control_program|Labview gas handling system]] and verify that there is no gas in the CRDCs and IC. Open valves **4** (IC supply), **5** (IC bypass), **6** (IC focal-plane bypass), **7** (Ion Chamber vent), **20** (CRDC supply), **21** (CRDC bypass), and **22** (CRDC focal-plane bypass) and **23** (CRDC vent). The rest of the valves should be closed+  * Open the [[gas_handling_system#​labview_control_program|Labview gas handling system]] and verify that there is no gas in the CRDCs and IC. Make sure that the only open valves ​are **4** (IC supply), **5** (IC bypass), **6** (IC focal-plane bypass), **7** (Ion Chamber vent), **20** (CRDC supply), **21** (CRDC bypass), and **22** (CRDC focal-plane bypass) and **23** (CRDC vent). The rest of the valves should be closed
   * Ensure that the manual venting valve located on the south side of the chamber is closed (see figures below) ​ {{:​wiki:​fp-venting-valve-Daniel.jpg?​350|FP chamber manual venting valve}} {{:​wiki:​fp-venting-valve.jpg?​350|FP chamber manual venting valve}}   * Ensure that the manual venting valve located on the south side of the chamber is closed (see figures below) ​ {{:​wiki:​fp-venting-valve-Daniel.jpg?​350|FP chamber manual venting valve}} {{:​wiki:​fp-venting-valve.jpg?​350|FP chamber manual venting valve}}
   * Ensure that the FP ion gauge (I264IG) is off (see details [[vacuum_control|here]])   * Ensure that the FP ion gauge (I264IG) is off (see details [[vacuum_control|here]])
installation_fp_sci.txt ยท Last modified: 2019/04/28 18:17 by pereira