aust valve is on the “off” state.Р4.1.4 Put the on/off switch on the “on” state.Р4.1.5 Renewable exhaust valve open automate, and one of the two drying towers begin to de-pressurize.Р 4.1.6 After the drying towers work for one or two cycle, open the out valve.Р4.2 Adjustment and settingР4.2.1 modate the control pressure to the mended values, similarly on 0.45MPa.Р4.2.2 If equipped with a hygrometer, slightly open the cut-off valve of the hygrometer probe, so little air flows through the dew-point probe.Р4.3 Operational Check PointsР4.3.1 The pressure of the drying tower should be the same as the pipe which is shown in the manometer on the tower.Р4.3.2 The pressure in the renewable tower should be less than 0.022MPa. (Any higher back pressure reflects that the work pressure of the system is
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