Main Power Circuit
Line power of 90 - 130 Vac, 60 Hz
±
3 Hz (or 180 - 230 Vac, 50 Hz
±
3 Hz) first
enters the rear panel of the mass spectrometer through J1, and then passes
through a line filter and the circuit breaker. After the circuit breaker, power is split
in two directions. One path supplies the turbomolecular pump controller and
foreline pump via J2. The second path goes to the electronics service switch,
which controls power going to the power board and the rest of the electronics.
The electronics service switch allows the vacuum to the maintained in the event
that the electronics need to be serviced.
The turbo pump controller provides startup power to the power board, in addition
to regulating the speed of the turbo pump.
WARNING:
SHOCK HAZARD
In the event of an emergency, shut off all power.
If the equipment is used in a manner not specified in this manual, the
protection provided by the equipment may be impaired.
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Summary of Contents for 4000 GC
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