Yokogawa Pneumatic Retractables RF20H - Manual (Page 12)

IM 12B06K05-E-E
12
5. Operation
5.1 Commissioning the holder
Risk of injury by leaking process liquid!
Burns or tissue destruction depending on
process liquid property.
• Wear goggles and protective clothing!
• Check all seals and connections of holder
before starting the process.
Wear goggles and protective clothing during
commissioning of the holder!
Prior to the commissioning ensure the following:
• Seals are complete and in good working condition.
• Sensor is installed and tightened.
• Cleaning ports are sealed with pegs.
or:
• Cleaning pipes are installed and tight.
• Pneumatic tubes are installed and tight.
• Protection cage is adjusted correctly.
5.2 Automatic operation of the holder
An external control is required for automatic
operation of the retractable holder.
Observe the functions of the pneumatic
connections!
Connection 1: Air supply “service” position
Connection 2: Air supply “measuring” position.
Connection 3: Reply “service” position
Connection 4: Reply “measuring” position.
Use the external control to move the
retractable holder from the “service” position
to the “measuring” position and vice versa.
CAUTION!
DANGER!
WARNING!
CAUTION!
DANGER!
WARNING!
CAUTION!
DANGER!
WARNING!
CAUTION!
DANGER!
WARNING!