Watson-Marlow 620U User Manual
Watson-Marlow Pumps

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