Programming and Operation
3-46
P/N 8040406
C
HELIX TECHNOLOGY CORPORATION
-
TI
CRYOGENICS
Cryopump ON/OFF and Second Stage Temperature
The first parameter of the CONTROL function allows you to turn the
cryopump motor ON or OFF. The keypad/display shows the ON/OFF
status and second stage temperature as shown in Figure 3-40.
NOTE: Check the power connections, fuses, and switches on the On-Board
compressor if the NO CRYO POWER1 or NO CRYO POWER2 message
appears in the display.
Figure 3-40: Cryopump ON/OFF and Second Stage Temperature Display
Table 3-3: CONTROL Function Parameters
CONTROL Parameter
Default
Value
Range of Values
Cryopump ON/OFF
OFF
ON/OFF
Aux TC ON/OFF
OFF
ON/OFF
Cryo TC ON/OFF
OFF
ON/OFF
Rough Valve Open/Closed
Closed
Open/Closed
Purge Valve Open/Closed
Closed
Open/Closed
Relay 1 ON/OFF and Auto/Manual Control
OFF, Manual
ON/OFF (Auto/Manual)
Relay 2 ON/OFF and Auto/Manual Control
OFF, Manual
ON/OFF (Auto/Manual)
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
CRYO OFF 290K
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
CRYO ON 12K