Watson-Marlow 620U User Manual

Watson-Marlow Pumps

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Watson-Marlow 620UN, 620U, 620SN, 620S User Manual

1

WATSON-MARLOW BREDEL MANUALS

Watson-Marlow 620UN / 620U,
620SN / 620S pumps

m-620un-u-sn-s-gb-01

1

Declaration of conformity

3

2

Declaration of incorporation

3

3

Five-year warranty

3

4

When you unpack your pump

5

5

Information for returning pumps

6

6

Peristaltic pumps - an overview

6

7

Safety notes

7

8

Pump specifications

9

8.1

Pressure capability

14

8.2

Dimensions

15

9

Good pump installation practice 16
9.1

General recommendations 16

9.2

Do’s and do not’s

17

10 Connecting this product to a

power supply

18

11 Start-up check list

19

12 Switching the pump on for the

first time

20

13 Switching the pump on in

subsequent power cycles
(if not in auto-restart mode)

22

14 Manual operation

23

14.1

Keypad functions,
620UN, 620U

23

14.2

Keypad functions,
620SN, 620S

25

14.3

Speed

28

14.4

Direction

28

14.5

Keypad lock

28

14.6

Keypad beep

28

14.7

To reset defaults

29

14.8

To reset language

29

14.9

Backlight

29

14.10 Auto-restart

29

14.11 Manual operation and

remote digital inputs
and outputs

30

15 Main menu

31

15.1

Keypad functions in
menu screens

31

15.2

Main menu entry

31

16 Setup

33

16.1

Trim

34

16.2

Analogue

35

16.2.1 Input 1: speed

36

16.2.2 Trim

38

16.2.3 Menu

38

16.3

Display

38

16.4

Outputs

39

16.5

Remote stop

41

16.6

Auto-restart

42

16.7

Set maximum allowed
speed

43

16.8

Set minimum allowed
speed

44

16.9

Scrolling

44

16.10 Date and time

45

16.11 Backlight

46

16.12 ROM

46

16.13 Language

47

16.14 Defaults

47

16.15 Security code

48

16.16 Exit

49

17 MemoDose and calibration

50

17.1

Changing dosing speed

51

17.2

Footswitch operation and
other remote inputs and
outputs with MemoDose

52

17.3

Flow calibration

52

17.4

Exit

54

18 Pin out details

54

19 Exit

55

20 Automatic control wiring

using the 620N module

56

20.1

620N module removal
and replacement

56

20.2

Wiring up

57

20.3

Speed: analogue input

60

20.4

Speed: analogue output

61

20.5

Tachometer frequency
output

61

20.6

Run/stop input

62

Contents

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