Fig. 14 MODULATING control: Setting the shut-off valve1 Control valve (proportional control)2 Shut-off valve➤ Open or close the control valve, depending on the required control mode.The control valve is factory set. The setting should not be changed without consultation withKAESER Service.7.7 Checking the Door Interlock SwitchThe interlock switch stops the machine as soon as the front access panel is opened.Check the interlock switch function before every start-up.The door interlock switch is an important safety device.The machine may only be operated with a correctly functioning interlock switch.Fig. 15 Location of the interlock switch1 Door interlock switch2 Access panel7 Initial Start-up7.7 Checking the Door Interlock Switch9_5717 20 EService Manual Screw CompressorASK T SIGMA CONTROL BASIC 49
