CONTENTS (CONTINUED) 
Section  Title  Page  
3  INSTALLATION OF THE STP CONTROL UNIT  29 
3.1  STP control unit  29 
3.1.1  SCU-350 series  29 
3.1.2  SCU-800/801  30 
3.1.3  SCU-1600/1601  31 
3.2  Cable connection  32 
3.2.1  STP connection cable  32 
3.2.2  Power cable  33 
3.3  How to connect the cables  34 
4  OPERATION  37 
4.1  Before starting the STP pump  37 
4.1.1  Tuning  37 
4.1.2  Operation of vacuum system  38 
4.2  Pump operation  38 
4.2.1  LED indication during operation  38 
4.2.2  Starting the STP pump after a safety function operates  39 
4.3  Gas pumping, cooling and baking the STP pump  39 
4.3.1  Gas pumping  39 
4.3.2  How to introduce a purge gas  40 
4.4  Cooling the STP pump  40 
4.4.1  Water-cooling method  40 
4.4.2  Air-cooling method  41 
4.5  Baking the STP pump  41 
4.6  How to use the TMS unit  42 
4.6.1  Parameter set mode  42 
4.6.2  Starting/stopping the TMS unit  42 
4.6.3  Temperature control  42 
5  SAFETY FUNCTIONS  43 
5.1  Safety functions  43 
5.1.1  Power failure  43 
5.1.2  Operation after a power recovery  43 
5.1.3  Abnormal state of magnetic bearing  44 
5.1.4  Excessive vibration  44 
5.1.5  Motor driver overload  44 
5.1.6  Overheating inside the STP pump  44 
5.1.7  Overheating inside the STP control unit  45 
5.1.8  Overspeed  45 
5.1.9  Abnormality/Error in the TMS unit (for use with the TMS unit)  45 
5.1.10  Failure of the air-cooling fan  
(for SCU-800/801, SCU-1600/1601)  45