Olicom 9600 manual Increasing Helium Pressure, Adding Helium

9600 Compressor Installation, Operation, and Maintenance

CTI-CRYOGENICS

HELIX TECHNOLOGY CORPORATION

•To the value previously recorded in the Compressor Operation procedure in Section 4 - Operation if the compressor is ON.

3.Close the gas charge control valve and install the flare cap.

Increasing Helium Pressure

Use the following procedure to increase the helium pressure if the indicated pressure is below the appropriate value as shown in Table 4-1.

CAUTION

If helium is being added more than once every several months, check for leaks caused by improperly connected self-sealing connections or any mechanical joint within the Compressor.

Adding Helium

NOTE: You must obtain the normal system operating pressure from the Compressor Operation procedure in Section 4 - Operation in order to perform this procedure. If the normal system operating pressure is unknown, then shut the compressor OFF and perform the Static Helium System Pressure Verification procedure in Section 4 - Operation instead.

This procedure ensures that both the regulator and the charging line will be purged of air and that the air trapped in the regulator will not diffuse back into the helium bottle. For best results, CTI-CRYOGENICS suggests a dedicated helium bottle, regulator, and line, which are never separated, for adding helium.

NOTE: You are required to supply the helium charging line terminating in a 1/4-inch female flare fitting, and a two-stage pressure regulator rated at 0-3000/0-400 psig for this operation.

CAUTION

Use only 99.999% pure helium gas. Helium circuit contamination may result if a lower quality of helium is used.

1.Attach a regulator (0-3000/0-400 psig) and charging line to a helium bottle (99.999% pure).

NOTE: Do not open the bottle at this time.

P/N 8040540 5-5