EBARA EV-PA 250, Instruction Manual

Page: 36 / 51

P .
36
PM10U
EBARA
CORPORATION
5. Operation
5.1 Before Starting
(1) Turn on the power supply to the pump.
(2) All LED light on once, and LCD backlight turn on after placing the Circuit Protector (CP) into the
ON position. The Circuit Protector (CP) is a rocker type.
(3) When the WARNING/ALARM display appears on the LCD and LED of the controller or when any
abnormal symptoms are found other than the display, take action in accordance with 8.
"Troubleshooting." Even when the cause of the WARNING/ALARM display has been removed,
it is maintained until the RESET signal is entered. Either press the RESET button or enter an
external RESET signal from the control signal connector.
(4) Open the valve before starting the pump when the pump exhaust pipe is equipped with a valve.
WARNING
Install CB based on the law and the standard in the installation region. CB is not installed
in the pump unit.
!
Note
The pump cannot start while the measuring instruments are warming up after the CP is
placed in the ON position.
CAUTION
Problems will occur when the pump is operated with the valve closed as the exhaust pipe
will be pressurized.
!
WARNING
Connect the pump to electrical supply with a suitable circuit breaker.
(lockout/tagout CB)
!
Note
With the “AUTO MODE”, the pump starts driving when switched on in the state that short-
circuited by the ”PUMP START pin” of the control connector. The pump starts driving after
warm-up completion automatically (When a pump is not abnormal)..
Note
When you turn on CP again after turn off CP, you must turn on CP after over 10 seconds.