VACUUBRAND MZ 2S NT - Manual (Page 8)

page 8 of 91
Contents
Part I.................................................................1
Safety information! ........................................................... 10
Important information! ....................................................................... 10
General information ........................................................................... 12
Intended use...................................................................................... 12
Setting up and installing the equipment ............................................ 13
Ambient conditions ............................................................................ 15
Operating conditions ......................................................................... 16
Safety during operation ..................................................................... 17
Maintenance and repair..................................................................... 20
Additional safety information for ME 4R NT ..................................... 21
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Important information: Equipment marking (ATEX) ................... 23
Technical data ................................................................... 25
General technical data valid for all pumps ........................................ 25
Gas inlet temperatures ..................................................................... 25
Wetted parts ..................................................................................... 31
Abbreviations .................................................................................... 32
Pump parts ....................................................................................... 33
Use and operation ............................................................ 40
Installation ........................................................................................ 40
Vacuum connection (inlet) ................................................................ 40
Connecting the outlet ....................................................................... 42
Notes prior to the use of the manometers (ME 4R NT) .................... 44
Electrical connection ........................................................................ 45
During operation ............................................................................... 46
Shutdown & storage ......................................................................... 49
Accessories ...................................................................... 51
Troubleshooting ............................................................... 52
Part II..............................................................54
Replacing diaphragms and valves.................................. 57
Checking diaphragms and valves (except MZ 2D NT) ..................... 60
Replacing the valves and assembling the pump heads ................... 68
Assembling the connecting hose ..................................................... 71
Checking diaphragms and valves (MZ 2D NT) ................................ 73
Replacing the valves and assembling the pump heads ................... 77