Watson-Marlow PD22I - Manual (Page 6)

OPERATORS MANUAL Machine Type: PD22I / PD22P
PD22 I P OM 1.01 EN Ver 1.01 Date 24-08-2006 Page 6 of 21
4 GENERAL INFORMATION
4.1 Unpacking and inspection
PD22I is a peristaltic filler in the Flexicon Multi Filling System (FMFS). The PD22 can not do
fillings by itself, but must be connected to Flexicons control unit, the MC12, or to a PC with
RS485 multidrop communication.
Please check that all ordered items have been received and that no items were damaged
during transport. In case of any defects or omissions, please contact Flexicon A/S or your
supplier immediately.
When ordering spare parts or accessories for the PD22, please state the serial number
stamped. The serial number is stamped on the label on the bottom of the PD22.
Please check that the connected mains plug is of the correct type with the correct earthed
switch. If this is not the case, the correct type of plug must be mounted with the following
connections.
Yellow/green -
earth
Blue - neutral
Brown - phase
ALWAYS REMEMBER that this machine must be earthed.
4.2 The peristaltic principle
PD22I operates with a peristaltic dispenser head (tube pump), where the liquid only comes into
contact with the flexible tube, the tube connections and the filling needle. The tubes are usually
made of silicone, but other materials can also be used.
The dispenser head is designed in such a way that sterilized tubes can be assembled in the
head without affecting the sterility. Flexicons tubes are produced of raw materials medically
approved by for instance the FDA. The tubes are delivered in sealed packages and are
provided with a batch number which makes it possible to trace the tubes all the way back to the
raw material source.
For this reason the PD22 is specially suited for aseptic applications and for preventing cross-
contamination among different products.
The dispenser head is self-priming, and the dispenser head itself can stand to be run dry. It is
recommended not to let the dispenser head be run dry for a long period WITH CONNECTED
TUBES, since this will lead to particle release.
A peristaltic dispenser head is not suitable for viscous products.