Fig. 14 MODULATING control: Setting the shut-off valve
1 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 with
KAESER Service.
7.7 Checking the Door Interlock Switch
The 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 switch
1 Door interlock switch
2 Access panel
7 Initial Start-up
7.7 Checking the Door Interlock Switch
9_5717 20 E
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC
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