Note:
Only the item in c
ontrol can stop the pump. Unless it is in Autorun mode where the STOP
buon on the user interface control panel can stop the pump.
Shut down the pump:
1. Close an
y vacuum system isolaon valve to prevent suck-back into the vacuum
system (where ed). Stop the pump system using the appropriate control source,
that is, press and hold the STOP buon in manual control mode on the user
interface (Figure 2 on page 12 item 3); disable the Start/Stop control input from the
parallel control interface if this was in control; send a Stop command if in serial
control mode or press the STOP buon on the Digital Operator.
2. When the pump is switched o, the fan will connue to run for a short me while
the pump cools down.
3. Vent the pump through the inlet.
4. Isolate the mains supply.
Restart the pump
Note:
If the pump has automacally shut down because of high pump power, check that the
pump is free to rotate before restarng: contact Edwards.
If the pump has been automacally shut down because of an alarm condion, the alarm
condion must be reced be
fore restarng the pump. Restart the pump as described in
Operaon on page 21.
A770-10-880A - Operaon
Page 26