| At line 2 added 9 lines. |
| + It is highly recommended to use the automatic condensing scripts in SEA. |
| + Click on "sorbpump", when "readyforpump", make sure that the IVC is connected |
| + to a running turbo pump, and the valve and the IVC space is open. |
| + |
| + The automatic script is doing a sligthly different condensing procedure than |
| + described below. |
| + |
| + * If not yet done, the IVC has to be pumped. Do not do that before the sorb T |
| + is at 4K. |
| Line 6 was replaced by line 15 |
| - * Cool the 1 K pot to a temperature below 3 K. With the |
| + * Cool the VTI ("1 K pot" thermometer) to a temperature below 3 K. With the |
| Line 9 was replaced by line 18 |
| - pump of about 20 mbar. |
| + pump of about 12 mbar. |
| Line 12 was replaced by line 21 |
| - * Open the green valve marked "out" below the dump. The dump is the |
| + * Open the green valves marked "out" and "in" on the dump. The dump is the |
| Line 15 was replaced by lines 24-26 |
| - RAISE). |
| + RAISE). |
| + * Make sure that the heater on the mixing chamber is off and that |
| + the setpoint is zero. Switch off the still heater also. |
| Line 18 was replaced by line 29 |
| - * The reading on G2 is proportional to the amout of mixture in the |
| + * The reading on G2 is proportional to the amount of mixture in the |
| Lines 23-26 were replaced by lines 34-36 |
| - * Open a little valve 12A (4.0 % to start). |
| - * While the pressure reading on G1 should always be below about 400 mbar, |
| - Valve 12A can bae opened gradually, and opened completely, when the |
| - reading on G2 drops below 350 mbar. |
| + * Open V12A a little (4 %) to allow the mixture pass the trap slowly. |
| + * When the pressure reading on G1 stabilizes or decreases, open valve 12A |
| + completely. |
| Lines 38-39 were replaced by line 48 |
| - and close valve 14 again, but make sure that the pressure on G1 does |
| - not increase above 350 mbar. |
| + and close valve 14 again. Do that several times. |
| Line 41 was replaced by line 50 |
| - raise above 50 mbar. Leave the valve open until the P1 drops below 0.1. |
| + raise above 50 mbar. Leave the valve open until P1 drops below 1. |
| Lines 48-49 were replaced by lines 57-58 |
| - the flow on the condenser line might falls below 100 (black display below |
| - the valve panel). |
| + the flow on the condenser line might fall below 100 (black display below |
| + the valve panel, on DIL1 only). |
| At line 51 added 2 lines. |
| + |
| + [DIL1/igh.png] |
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