Operating instructions Vacuum switch
Contents
1. Operating instructions Vacuum switch Attention Do not change adjustment of switches adjusted in the factory Obtain largest and smallest adjustment differences between upper and lower switching points from the diagram For settings beyond the prescribed Ap values diagram the connections 3 2 can be short circuited which will create an inadmissible operating condition Do not change adjustment of screws secured with varnish a Do not change adjustment of or unscrew screw 2 with force max al lowable torque 0 1 Nm Adjust upper and lower switching points with the main adjusting screw 1 n Installation Can be installed in any position Adjust switching point in installed po sition With switching points adjusted in the factory observe specified installation position Adjustment of switching points For vacuum 625 Screw 1 For upper switching point higher vacuum turn clockwise Increase vacuum slowly observe maximum vacuum limit with main ad justing screw 2 Decrease vacuum slowly and measure lower swit ching point e g 7 mbar If the lower switching point is too high switching difference too small turn adjusting screw 2 counter clockwise until the desired switching point is adjusted If the lower vacuum switching point is too low switching difference too high turn adjusting screw 2 clockwise until the desired lower switching point is adjusted By raising and lowe2. ring the pressure several times check the upper and lower switching points and correct adjustment if necessary After adjustment Secure all adjusting screws 1 2 with varnish values Example of reading measurem 4 30 mbar Enter upper switching point e g 12 mbar A m m 2 Read the available adjustable switching difference in the ai example 2 9 4 9 mbar i 1 Supply cable 2 Open circuit contact 3 Closed circuit contact 3 L 6 gt ap 04236567890 imar 6 80 mbar 30 150 mbar 50 600 mbar 100 900 mbar A m A mox A ma pox A m m Bo 1 150 600 T 0 l 2 k Ko 13 S40 80 4 t m ia 70 ti 15 420 620 eal 50 X0 H 50 40 ps 300 ae zH I 0 240 0 2 aoa ime aa ae 4S 180 210 6 3 0 80 6 44 H i 0 gt ap 0 gt op 0 Da 0 Da 0 4 8 n i20 imbar 0 b 8 Rl 6 20 mbar a 20 40 60 ao fwo imari 0 50 100 60 200 2350 imbar 2 6 vk 2 6 vw a vu a 0 w 5 5 BH m
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