4 installation, Operators manual – Watson-Marlow PF22 User Manual
Page 6
Operators Manual
PF22
PF22 OM EN 74-132-005 v1.02.doc
Version: 1.02
Page 6 of 34
3.4 Installation
PF22 must be placed on a stable bedplate. All electrical connections are on its rear.
Fig. 3.1
1
Main Switch
230 Volts ac
2
External GO
5 way DIN
3
Printer Connection
RS 232
4
(O) Air for nozzle with outside valve
Pressure when Pump is running
5
(I) Air for nozzle with inside valve
Constant pressure when machine is ON
6
Main air supply
7
(B) Diving Nozzle Bottom.
Constant pressure when machine is ON
8
(T) Diving Nozzle Top
Pressure when Pump is running
The main cable supplied is connected to the integrated main socket (1) in the main isolator, which
also contains master fuses. The plug is connected to an earthed switch.
External GO (2) is for the connection of a foot switch or for an external starting signal.