Start/Stop; Operation When Momentarily Power Failure Happens - EBARA EV-PA 250 Instruction Manual

5.2 START/STOP

The control mode can be set LOCAL/REMOTE at any time.
accordance with the operating conditions. (See 4.2)
a) START
Hold down the START button on the controller for over a second, or enter the external pump start
signal input from the control connector.
The cooling fan and pump will start and the RUN lamp on the controller will light.
The operation time count during pump operation.
[ NOTE ] The pump will not start when an WARNING/ALARM has been generated.
b) STOP
Press the STOP button on the controller or interrupt the external pump start signal from the control
connector. The pump and the cooling fan will stop simultaneously.
The RUN LED goes out and the hour counter stop.
!
Avoid contact and keep inflammable substances out of reach. Do not remove the outer
cover during operation. The pump unit and the inlet piping and exhaust piping will remain
at a high temperature during operation and for a short time after the pump has stopped.

5.3 Operation when momentarily power failure happens

The momentarily power failure means that power supply voltage become 85V or less. The pump
operation is continued when the supply voltage is back to normal within 1 second.
operation is stopped and the alarm displayed when the momentarily power failure is continued more
than 1 second. Then LCD display "PWR FAIL". In the momentarily power failure condition, the pump
rotor is driven by inertia due to interception of power supply. Thus, pumping performance may be
decreased than guaranteed specification.
PM10U
WARNING
After stopping the pump, set in
The pump
EBARA
37
P.
CORPORATION