Metrohm 843 User manual

843 Pump Station

with peristaltic pumps

Manual

8.843.8003EN/2019-11-29

Metrohm AG

CH-9100 Herisau

Switzerland

Phone +41 71 353 85 85

Fax +41 71 353 89 01

[email protected]

www.metrohm.com

843 Pump Station

with peristaltic pumps

Manual

8.843.8003EN/2019-11-29

Technical Communication

Metrohm AG

CH-9100 Herisau

[email protected]

This documentation has been prepared with great care. However, errors

can never be entirely ruled out. Please send comments regarding possible

errors to the address above.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents

843 Pump Station with peristaltic pumps ￭￭￭￭￭￭￭￭ III

Table of contents

1 Introduction 1

1.1 Instrument description ......................................................... 1

1.2 Sales versions ........................................................................ 1

1.3 Intended use ......................................................................... 1

1.4 About the documentation ................................................... 2

1.4.1 Symbols and conventions ........................................................ 2

1.5 Safety instructions ................................................................ 3

1.5.1 General notes on safety ........................................................... 3

1.5.2 Personnel safety ....................................................................... 3

1.5.3 Electrical safety ........................................................................ 4

1.5.4 Tubing connections ................................................................. 5

1.5.5 Working with liquids ................................................................ 5

1.5.6 Working with flammable liquids and chemicals ........................ 6

1.5.7 Chemical resistance ................................................................. 6

1.5.8 Recycling and disposal ............................................................. 6

2 Overview of the instrument 7

2.1 Front of the instrument ........................................................ 7

2.2 Rear of the instrument ......................................................... 8

2.3 Peristaltic pump .................................................................... 9

2.4 Safety shield ........................................................................ 10

3 Installation 11

3.1 Setting up the instrument .................................................. 11

3.1.1 Packaging .............................................................................. 11

3.1.2 Checks .................................................................................. 11

3.1.3 Location ................................................................................ 11

3.2 Mounting the tubing .......................................................... 11

3.2.1 Pump tubing ......................................................................... 11

3.2.2 Inlet and outlet tubing ........................................................... 12

3.2.3 Mounting the safety shield .................................................... 13

3.3 Connecting control instruments ........................................ 15

3.4 Connecting the instrument to the power grid ................. 19

4 Operation 21

5 Operation and maintenance 22

5.1 General notes ...................................................................... 22

5.1.1 Care ...................................................................................... 22

Table of contents ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭

IV ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps

5.1.2 Maintenance by Metrohm Service .......................................... 22

5.2 Pump .................................................................................... 23

5.3 Tubing .................................................................................. 23

5.3.1 Safety instructions ................................................................. 23

5.3.2 Selection of pump tubings ..................................................... 23

5.3.3 Tubing replacement and service life ....................................... 24

5.3.4 Suitability test for tubing ........................................................ 24

6 Troubleshooting 26

6.1 Problems .............................................................................. 26

7 Appendix 27

7.1 Remote interface ................................................................ 27

7.1.1 Pin assignment of the remote interface .................................. 27

8 Technical specifications 29

8.1 Peristaltic pump .................................................................. 29

8.2 Power connection ............................................................... 29

8.3 Ambient temperature ......................................................... 29

8.4 Reference conditions .......................................................... 30

8.5 Dimensions .......................................................................... 30

8.6 Interfaces ............................................................................. 30

9 Accessories 31

Index 32

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures

843 Pump Station with peristaltic pumps ￭￭￭￭￭￭￭￭ V

Table of figures

Figure 1 Front 843 Pump Station with peristaltic pumps .................................. 7

Figure 2 Rear 843 Pump Station with peristaltic pumps ................................... 8

Figure 3 Peristaltic pump ................................................................................. 9

Figure 4 Rear of the safety shield .................................................................. 10

Figure 5 Remote connection 869 — 843 — 8xx Titrino plus ......................... 16

Figure 6 Remote connection 8xx Dosimat plus — 869 — 843 — 8xx Titrino

plus ................................................................................................. 16

Figure 7 Remote connection 869 — 843 — 8xx Titrino plus — 8xx Dosimat

plus ................................................................................................. 17

Figure 8 Remote connection 863 — 843 — 797 .......................................... 17

Figure 9 Remote connection 838 — 843 — 797 .......................................... 18

Figure 10 Remote connection 814/815 — 843 ............................................... 18

Figure 11 Remote connection Remote Box — 843 .......................................... 19

Figure 12 Pin assignment of remote socket and plug ....................................... 27

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction

843 Pump Station with peristaltic pumps ￭￭￭￭￭￭￭￭ 1

1 Introduction

1.1 Instrument description

The 843 Pump Station has the following characteristics:

￭Two peristaltic pumps.

￭Two remote connectors:

– Remote 1 for connecting instruments that control pumps.

– Remote 2 for connecting other instruments.

￭An integrated power supply unit (100 – 240 V) which runs the peristal-

tic pumps.

1.2 Sales versions

The 843 Pump Station is available in three different sales versions:

2.843.0120 Standard instrument

2.843.0130 Standard instrument, with special accessories for

automatic emptying of the titration beaker and

cleaning the titration equipment while working

with sample changers.

2.843.0140 Standard instrument with special accessories for

VA applications.

1.3 Intended use

The 843 Pump Station is designed for usage in automated systems in ana-

lytical laboratories. It is not suitable for usage in biochemical, biological or

medical environments in its basic equipment version.

1.4 About the documentation ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭

2￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps

1.4 About the documentation

CAUTION

Please read through this documentation carefully before putting the

instrument into operation. The documentation contains information

and warnings which the user must follow in order to ensure safe opera-

tion of the instrument.

1.4.1 Symbols and conventions

The following symbols and styles are used in this documentation:

Cross-reference to figure legend

The first number refers to the figure number, the sec-

ond to the instrument part in the figure.

Instruction step

Carry out these steps in the sequence shown.

Warning

This symbol draws attention to a possible life hazard

or risk of injury.

Warning

This symbol draws attention to a possible hazard due

to electrical current.

Warning

This symbol draws attention to a possible hazard due

to heat or hot instrument parts.

Warning

This symbol draws attention to a possible biological

hazard.

Caution

This symbol draws attention to a possible damage of

instruments or instrument parts.

Note

This symbol marks additional information and tips.

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