Metrohm 940 Professional IC Vario ONE/HPG - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
940 Professional IC Vario ONE/HPG (2.940.1140)
3.15 Installing the high-pressure gradient module .................. 33
3.16 Connecting the instrument to a computer ....................... 33
3.17 Connecting the instrument to the power supply ............. 34
3.18 Initial start-up ..................................................................... 35
3.19 Connecting and rinsing the guard column ....................... 38
3.20 Connecting the separation column ................................... 40
3.21 Conditioning ........................................................................ 43
4 Operation 45
5 Operation and maintenance 46
5.1 IC system ............................................................................. 46
5.1.1 Operation .............................................................................. 46
5.1.2 Care ...................................................................................... 46
5.1.3 Maintenance by Metrohm Service .......................................... 46
5.1.4 Shutting down and starting back up ...................................... 47
5.2 Capillary connections ......................................................... 48
5.3 Servicing the door .............................................................. 48
5.4 Column thermostat – Replacing the capillaries ............... 48
5.5 Handling the eluent ............................................................ 50
5.5.1 Manufacturing eluent ............................................................ 50
5.5.2 Changing the eluent .............................................................. 51
5.6 Servicing the eluent degasser ........................................... 51
5.7 Notes on operating the high-pressure pump ................... 52
5.8 Servicing the high-pressure pump .................................... 53
5.9 Servicing the inline filter .................................................... 66
5.10 Servicing the pulsation absorber ...................................... 69
5.11 Injection valve ..................................................................... 69
5.12 Servicing the detector ........................................................ 69
5.13 Rinsing the sample path .................................................... 69
5.14 Separation column ............................................................. 71
5.14.1
Separating efficiency .............................................................. 71
5.14.2 Protecting the separation column .......................................... 71
5.14.3 Storing the separation column ............................................... 71
5.14.4 Regenerating the separation column ...................................... 71
5.15 Quality Management and qualification with
Metrohm ............................................................................. 72
6 Troubleshooting 73
6.1 ............................................................................................. 73