STP-H803/H1303 Series Instruction Manual
There are two methods of operating the STP pump: MANUAL and
REMOTE.
Select one which fits your vacuum equipment.
7.4 Manual
Operation
Slide the "MANUAL/REMOTE" changeover switch on the STP control unit front
panel to the position opposite to "ON." At this time, the "REMOTE" lamp is off.
Operation
7.4.1 Powering
ON
1) Switch "ON" the breaker on the rear panel. (To prevent incorrect operation, a
metal fitting is attached to the breaker. Loosen the screw, lift the metal
fitting, and secure it.)
The magnetic bearing functions and the rotor levitates (POWER ON state).
The "POWER" lamp lights.
2) The STP control unit executes the self test. If no error is found, the LCD
displays "Levitation".
In case of the STP pump with the TMS unit (optional accessory), the "TEMP
CTRL" lamp also lights and the TMS unit starts.
7.4.2
Starting the STP Pump
1) Press the "START" switch on the front panel to start and accelerate the STP
pump. The "ACCEL." lamp lights. The LCD displays the current rotational
speed in "ACCEL: ***00rpm" in units of 500 rpm (ACCELERATION state).
◇
Until "ACCEL: 500 rpm" is displayed, "ACCEL:
rpm" is displayed
for Approx. 1 minute on the LCD.
2) When the STP pump attains the rated speed of rotations, the "ACCEL." lamp
goes out, and the "NORMAL" lamp lights. Also, the LCD displays
"NORMAL: ***00rpm" (NORMAL OPERATION state).
7-3
