LTQ Orbitrap XL Hardware Manual

Contents
Chapter 1 Functional Description.............................................................1-1
General Description.......................................................... 1-2
Specifications ................................................................. 1-5
Control Elements.............................................................. 1-6
System Status LEDs ....................................................... 1-6
Control Panels ............................................................... 1-7
Linear Ion Trap............................................................... 1-12
Orbitrap Analyzer ........................................................... 1-13
Measuring Principle ..................................................... 1-13
Curved Linear Trap ..................................................... 1-13
Extraction of Ion Packets ............................................. 1-14
Ion Detection............................................................... 1-15
Active Temperature Control ........................................ 1-17
HCD Collision Cell..................................................... 1-18
Vacuum System .............................................................. 1-19
Turbopumps................................................................ 1-20
Forevacuum Pumps...................................................... 1-21
Vacuum System Controls............................................. 1-22
Vacuum System Heating during a System Bakeout ...... 1-24
Gas Supply...................................................................... 1-25
Vent Valve of the Linear Ion Trap ............................... 1-27
Cooling Water Circuit .................................................... 1-28
Recirculating Chiller .................................................... 1-29
Properties of Cooling Water......................................... 1-29
Printed Circuit Boards .................................................... 1-30
Linear Ion Trap Electronics.......................................... 1-31
Electronic Boards at the Right Side of the Instrument.. 1-32
Electronic Boards on the Left Side of the Instrument... 1-45
Chapter 2 Basic System Operations ........................................................2-1
Shutting Down the System in an Emergency .................... 2-2
Behavior of the System in Case of a Main Failure........... 2-2
Placing the System in Standby Condition ......................... 2-4
Shutting Down the System ............................................... 2-5
Starting Up the System after a Shutdown.......................... 2-7
Starting Up the Instrument............................................ 2-7
Setting Up Conditions for Operation............................. 2-8
Resetting the System ....................................................... 2-10
Resetting the Tune and Calibration Parameters to their
Default Values ................................................................ 2-11
Thermo Fisher Scientific LTQ Orbitrap XL Hardware Manual xi