Watson-Marlow OEM - Manual (Page 7)

7
6.4 Board mounted speed control potentiometer
To replace speed control potentiometer (wired to terminals 4,5,6) if “on board” control is required.
Suggested potentiometer: 5k
Watson-Marlow part number: RV 0054
RS part number: 162-221
6.5 Front mounted speed control potentiometer
To replace the speed control potentiometer (terminals 4,5,6) if “front of rack” control is required.
Watson-Marlow part numbers:
Molex Housing SL 0052
Molex Header SL 0024
Molex Terminal SL 0012
Potentiometer RV 0020
If a Max switch is not being used (see section 6.6), enable potentiometer by adding link LK1 and resistor R19
in positions marked on the board.
R19 - 100k
Watson-Marlow part number RC 0142
RS part number 148-972
If an on board potentiometer is not
being used please refer to Section 6.6,
Maximum speed (for priming) switch.
Enable the on-board potentiometer by
adding link LK1 and resistor R19 in
positions marked on the board.
R19-100k
Watson-Marlow part number RC 0142
RS part number 148-972
RS part numbers:
Molex Housing 467-605
Molex Header 467-554
Molex Terminal 467-598
Potentiometer 4k7/5k: 162-827
Note: If the board mounted (6.4) or front mounted (6.5) with
molex connector speed control potentiometers are selected,
the speed control potentiometer wired to terminals 4,5,6 must
be disconnected.