VACUUBRAND PC 301 - Manual (Page 6)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999147 / 17/06/2014
page 6 of 40
Contents
Safety information! .....................................................................................................8
General information ............................................................................................................................8
Intended use .......................................................................................................................................8
Setting up and installing the equipment .............................................................................................9
Ambient conditions ...........................................................................................................................10
Operating conditions ........................................................................................................................10
Safety during operation .................................................................................................................... 11
Maintenance and repair ....................................................................................................................12
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Important information: Equipment marking (ATEX) ...................................................................13
Technical data ...........................................................................................................14
Technical Data vacuum gauge DVR 2 .............................................................................................15
Gas inlet temperatures ....................................................................................................................15
Wetted parts ....................................................................................................................................16
Pump parts ......................................................................................................................................17
Use and operation DVR 2.........................................................................................18
Switching the pressure unit: .............................................................................................................18
Pressure measurement: ...................................................................................................................18
Clock symbol ....................................................................................................................................19
Adjusting the operating time and the measuring cycle .....................................................................19
Display of the status of discharge of the battery ..............................................................................19
Use and operation ....................................................................................................20
Installing in a vacuum system ..........................................................................................................20
During operation ...............................................................................................................................21
Attention: Important notes regarding the use of gas ballast .............................................................22
Shutdown .........................................................................................................................................23
Readjustment of the vacuum gauge DVR 2 ..........................................................24
Adjustment at atmospheric pressure ................................................................................................24
Adjustment under vacuum ................................................................................................................24
Adjustment to a reference pressure .................................................................................................25
Calibration in the factory .........................................................................................25
Replacing the motor fuse (only MD 1C C/US) ........................................................25
Replacing the battery ...............................................................................................26
Accessories ..............................................................................................................26
Troubleshooting .......................................................................................................27
Replacing diaphragms and valves..........................................................................29
Cleaning and inspecting the pump heads .......................................................................................30
Replacing the diaphragm ................................................................................................................32
Replacing the valves and assembling the pump heads ..................................................................32
Assembling the connection hoses ...................................................................................................34
Cleaning and assembling components ..................................................................35
Notes on return to the factory .................................................................................36
Health and safety clearance form ...........................................................................37
EC Declaration of Conformity of the Machinery .......................................................38