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Introduction
Controls and Indicators
Thermo Scientific Orbitrap Fusion Series Hardware Manual 7
Power Entry Module
The mass spectrometer receives line power at 230 Vac ±10%, 15 A, 50/60 Hz through the
right-side power entry module (Figure 3).
Figure 3. Power entry module
Main Power Switch
In the Off position, the Main Power (circuit breaker) switch removes all power to the mass
spectrometer, including the external forepump or forepumps. In the On position, the mass
spectrometer receives power. In the standard operational mode, the switch stays in the On
position.
Electronics Service Switch
The electronics service switch is a circuit breaker. In the Service Mode (down) position, the
switch removes power to all components of the mass spectrometer except for the fans and
vacuum system. This setting allows you to service nonvacuum system components with the
vacuum system still operating. In the Operating Mode (up) position, all components of the
mass spectrometer have power.
SV65 Pump Enable Connector
The mass spectrometer turns the forepump or forepumps on and off by using the relay control
cable that connects to the SV65 Pump Enable connector.
Power In receptacle
(230 Vac)
Main Power switch
Electronics service switch
SV65 Pump Enable connector
(forepump on/off control)
AC Output receptacle
(reserved for future use)
CAUTION To shut off all power to the mass spectrometer in an emergency, place the main
power circuit breaker switch (labeled Main Power) in the Off (down) position. Do not use
the electronics service switch.
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