INFICON Guardian EIES Controller - Manual (Page 114)

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Guardian Co-Deposition Controller Operating Manual
4.6.7 Mains Power
With the power switch OFF, connect the AC mains to the controller power input.
The controller automatically accepts 100-240 V (ac), 50-60 Hz.
NOTE: Observe the power-up sequence described below to avoid power glitches
appearing at the evaporation power supply outputs during startup.
WARNING
Power up in this sequence: (1) Press the power switch on
the Guardian controller. (2) Start the EIES Software.
(3) Turn on the evaporation power supplies.
WARNING
Verify that the power cable provided is connected to a
properly grounded mains receptacle.
WARNING
Maintain adequate insulation and physical separation of
sensor, detector, and I/O wiring from hazardous voltages.