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To connect the nitrogen exhaust line:
Warning:
To prevent the escape of exhaust gases into the laboratory, carrying biologically
hazardous, toxic, or corrosive LC solvents, you must use a source exhaust line connected to
either a laboratory fume hood, or to an active laboratory exhaust system. A laboratory exhaust
system must be capable of the following:
• Supporting a gas load of up to 2000 L/hour.
• Periodically draining off any liquid solvent that accumulates in the exhaust lines.
• Maintaining a pressure below atmosphere, no lower than -1 kPa (-10 mbar, -0.145 psi).
Warning:
To avoid the buildup of hazardous gases, do not place the nitrogen exhaust
trap bottle in an enclosed cabinet.
Notice:
To prevent serious damage to the instrument, two separate exhaust systems
are required: one for nitrogen, the other for the roughing pumps. Vent the exhausts to
atmosphere through separate lines. Oil mist can seriously damage the instrument if the
nitrogen exhaust line connects with the roughing pump exhaust line. Your warranty
does not cover damage caused by routing exhaust lines incorrectly.
1. Locate the nitrogen exhaust trap bottle in an accessible area below the instrument.
Figure B–7: Nitrogen exhaust trap bottle:
To laboratory exhaust port
From instrument pilot valve port
March 17, 2021, 715005046 Ver. 03
Page 187
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