C LD_Auto_CoolDown_wLN2_noPPC. C v1.22 C Pump_VC_standard. START C Script assumes DR is evacuated! STATE 1 SET_STATE 100 STATE 100 Check p1 is on IF p1==0.02 ERROR p1 gauge is off, please switch it on! C Script will be stopped if p1 is off ELSE SET_STATE 101 ENDIF STATE 101 Check DR is evacuated IF p3>10 ERROR DR not evacuated! C Script will be stopped if DR is not evacuated! ELSE SET_STATE 102 ENDIF STATE 102 IF (turbo1==1)&&(scroll2==1)&&(v14==1)&&(v15==1)&&(v18==1)&&(v21==1) SET_STATE 130 ELSE SET_STATE 111 ENDIF STATE 111 OFF_ALL SET_STATE 112 STATE 112 ON scroll2 SET_STATE 113 WAIT 10 STATE 113 Rough pump VC C Start roughing VC. ON v21 ON v16 ON v14 SET_STATE 120 WAIT 120 STATE 120 If p<1 start turbo C Start high vac pumping VC with turbo1. IF p1<1 OFF v16 ON v15 ON v18 ON turbo1 SET_STATE 130 WAIT 10 ELSE SET_STATE 120 WAIT 60 ENDIF STATE 130 Pump VC with turbo C Check for leaks (13X). IF p1>0.005 SET_STATE 131 ELSE SET_STATE 200 ENDIF STATE 131 IF time<7200 SET_STATE 130 WAIT 60 ELSE OFF v14 OFF v15 OFF v18 OFF v21 OFF turbo1 OFF scroll2 ERROR Pressure in VC dropping too slow, check o-ring seals! ENDIF C Start_PT_standard. STATE 200 Start PT C start PT and open HS-STILL and HS-MC. IF p1<0.002 SET var1=time ON pulsetube ON hs-still ON hs-mc SET_STATE 210 ELSE SET_STATE 200 WAIT 60 ENDIF STATE 210 Stop pumping VC C Stop pumping. IF p1<0.00002 OFF v14 OFF v15 OFF v18 OFF v21 OFF turbo1 OFF scroll2 SET_STATE 224 ELSE SET_STATE 210 WAIT 60 ENDIF STATE 224 Wait before condense C Delay time to condense from start of the PT, default is 18 hours SET_STATE 300 WAIT (18*3600-(time-var1)) STATE 300 Evacuate DR C Evacuate DR (30X). ON scroll1 SET_STATE 301 WAIT 10 STATE 301 Evacuate DR SET var2=time ON v13 ON v10 ON v2 ON v3 ON v4 ON v7 SET_STATE 310 WAIT 120 STATE 310 OFF v7 OFF v13 SET_STATE 311 WAIT 10 STATE 311 ON v9 SET_STATE 323 WAIT 60 C Delay for opening gate valve. STATE 323 ON v1 OFF v2 OFF v3 SET_STATE 400 C Condense_wLN2 STATE 400 C Start circ. through trap and comp. (40X). ON v9 ON v7 OFF v4 ON v6 ON compressor ON v5 SET_STATE 401 WAIT 5 STATE 401 Start circ ON scroll1 SET_STATE 402 WAIT 10 STATE 402 Start circ ON v10 ON v2 SET_STATE 403 WAIT 60 C Delay for opening gate valve. STATE 403 Start circ ON v1 OFF v2 SET var3=p5 SET_STATE 410 STATE 410 High tank pressure condensing C High tank pressure condensing (41X). IF p5>250 SET_STATE 411 ELSE SET_STATE 420 ENDIF STATE 411 High p5 condensing IF p4<600 ON v12 OFF v10 SET var4=time SET_STATE 412 WAIT 0.5 ELSE ON v10 OFF v12 C Confirmation opening v10 and closing V12. SET_STATE 410 WAIT 10 ENDIF STATE 412 High p5 condensing IF ((time-var4)>180)&&(p5>300) OFF v12 ON v10 ERROR Needle valve set too tight! ELSE SET_STATE 413 ENDIF STATE 413 High p5 condensing IF (time-var4)>180 OFF v12 ON v10 SET_STATE 410 ELSE SET_STATE 414 ENDIF STATE 414 High tank pressure condensing IF p4>900 OFF v12 ON v10 SET_STATE 415 WAIT 10 C Delay to recover p5 undershoot. ELSE ON v12 C Confirmation opening V12. SET_STATE 412 WAIT 0.5 ENDIF STATE 415 C Close hs-still and hs-mc. IF p5<(var3-80) C var3 set to p5 at start of condensing. OFF hs-still OFF hs-mc SET_STATE 410 ELSE SET_STATE 410 ENDIF STATE 420 Low p5 condensing C Low tank pressure condensing (42X). OFF v12 C Confirmation closing V12. IF p5>50 SET_STATE 421 ELSE SET_STATE 430 ENDIF STATE 421 Low p5 condensing IF p4<600 ON v11 OFF v10 SET_STATE 422 WAIT 0.5 ELSE ON v10 OFF v11 C Confirmation opening v10 and closing V11. SET_STATE 420 WAIT 10 ENDIF STATE 422 Low p5 condensing IF p4>900 OFF v11 ON v10 SET_STATE 420 WAIT 10 C Delay to recover p5 undershoot. ELSE ON v11 C Confirmation opening V11. SET_STATE 422 WAIT 0.5 ENDIF STATE 430 Pump tank empty C Empty tank. ON v11 SET_STATE 431 WAIT 300 STATE 431 Pump tank empty OFF v11 SET_STATE 440 STATE 440 C Start circulation (44X). OFF compressor SET_STATE 441 STATE 441 Start circ IF p3<1000 OFF v5 OFF v6 SET_STATE 442 ELSE SET_STATE 441 WAIT 2 ENDIF STATE 442 Start circ IF p3