![Edwards STP-301 Series Instruction Manual Download Page 16](http://html.mh-extra.com/html/edwards/stp-301-series/stp-301-series_instruction-manual_2366166016.webp)
STP-301/451 Series Instruction Manual
1-1
Installation
1
Precautions for Safe Operation of the STP Pump
1.1
Usable Gases
Chlorine or fluorine system gases can be used in chemical specific pumps
(STP-301C/STP-451C or other models). When you use gases including alkaline metals,
but excluding Li, gases including Ga, Hg, In, or Sn, or HBr, contact BOC Edwards.
◇
To prevent an accident, confirm the characteristics of gases to be used,
referring to the Material Safety Data Sheet (MSDS) you obtain from the gas
supplier.
And, keep MSDS and a safety advice of gas supplier.
◇
NEVER use corrosive gases (chlorine, fluorine, or other system gases) in the
STP-301/STP-451 pump or other models w ithout anti-corrosion treatment.
◇
Introduce a dry N
2
gas (purge gas) to protect the inside of the STP pump w hen
using reactive or corrosive gases.
◇
Cool the STP pump to prevent the STP pump from overheating w hen pumping
gases.
1.2
Precautions on Maintenance and Inspection
Read through Section 11, "Troubleshooting, Maintenance and Inspection" before
performing any maintenance or inspection of the STP pump or the STP control unit
(such as fuse replacement).
◇
Alw ays turn OFF the primary pow er (sw itch the breaker "OFF") before
performing any maintenance.
◇
NEVER touch any portions other than those designated w hen performing
maintenance.
Careless touch may cause electric shock and/or a short-circuiting of the internal
circuit, resulting in product damage or a problem.