Sera R 204.1 Series, Operating Instructions Manual

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Solenoid diaphragm pump
Series R/RS 204.1
Operating Instructions
2 www.sera-web.com Subject to technical modifications!
TA 416 Rev. 11 en 04/2013
Table of contents:
1 General ................................................................... 4
2 Types ...................................................................... 4
2.1 Type code ............................................................... 4
2.2 Type plate ............................................................... 4
2.3 Materials ................................................................. 5
2.4 Viscosity, pumped medium ..................................... 5
2.5 Dosing range .......................................................... 5
2.6 Noise measurement ................................................ 5
3 Safety instructions .................................................. 5
3.1 Note on quality ........................................................ 5
3.2 Marking of notes ..................................................... 5
3.2.1 Marking of notes in these operating instructions ............ 5
3.2.2 Marking of notes on the product ..................................... 5
3.3 Personnel qualification and training......................... 5
3.4 Dangers in case of inobservance of the
safety instructions ................................................... 5
3.5 Safety conscious working ........................................ 6
3.6 Safety instructions for the owner / operator ............. 6
3.7 Safety instructions for maintenance-,
inspection and installation work ............................... 6
3.8 Arbitrary modification and spare parts production ... 6
3.9 Improper operations ................................................ 6
3.10 Intended use ........................................................... 6
3.11 Personal protection for maintenance and service .... 6
4 Transport and intermediate storage ........................ 7
4.1 General ................................................................... 7
4.2 Storage ................................................................... 7
5 Components of the solenoid diaphragm pump ........ 8
5.1 R 204.1 ................................................................... 8
5.2 RS 204.1................................................................. 9
6 Technical specifications ......................................... 10
6.1 Dimensions R 204.1 .............................................. 10
6.2 Dimensions RS 204.1 ............................................ 12
6.3 Technical data ....................................................... 14
6.4 Usable stroke length range with self-ventilation ..... 16
7 Functional description............................................ 18
7.1 General ................................................................. 18
7.2 Components of the solenoid diaphragm
pump R/RS 204.1 .................................................. 18
7.2.1 Assembly pump / Motor housing .................................. 18
7.2.2 Pump body .................................................................... 19
7.2.3 Manual vent valve (only FRP-execution
R 204.1-1,2e - ...-14e, RS 204.1-6,0 -
…-14e) ............. 19
7.2.4 Electronics (with control panel) ..................................... 19
7.2.5 Suction / pressure valve ............................................... 20
7.2.6 Automatic ventilation device (RS- design) .................... 20
8 Assembly / Installation ........................................... 21
8.1 Installation instructions .......................................... 21
8.1.1 Provide overpressure protection ................................... 22
8.1.2 Prevent a backflow of the pumped medium ................. 23
8.1.3 Eliminate undesired siphoning ...................................... 23
8.1.4 How to ensure an gas-free suction ............................... 24
8.1.5 Install the empty-tank alarm ......................................... 24
8.1.6 How to avoid an emptying of the suction line ............... 25
8.1.7 Line strainer .................................................................. 25
8.1.8 Suction via a siphon pipe .............................................. 26
8.1.9 In case of slightly degassing dosing media .................. 26
8.1.10 Damping of the pulsation .............................................. 27
9 Electrical connections ............................................ 28
9.1 Electric supply ....................................................... 28
9.2 Connecting the control cables ............................... 29
9.2.1 Pulse input .................................................................... 30
9.2.2 Analog input .................................................................. 30
9.2.3 External stop input ........................................................ 30
9.2.4 Level input with pre-alarm and dry run ......................... 30
10 Operation .............................................................. 31
10.1 Operating elements ............................................... 31
10.2 LED operation indicators ....................................... 31
10.3 Key operation ........................................................ 31
10.4 Stroke length adjustment ....................................... 31
10.5 Stroke frequency adjustment ................................. 32
10.6 Configuring the level input ..................................... 32