Yokogawa Pneumatic Retractables RF20H - Manual (Page 11)

IM 12B06K05-E-E
11
How to install the pneumatic tubes:
1 Insert pneumatic tube ø = 6mm in connection 1
(blue) for the air supply “service” position.
2 Insert pneumatic tube ø= 6mm in connection 2
(black) for air supply, “meassuring position”.
3 Insert pneumatic tube ø = 4mm in connection 3
(blue) for the reply signal “service” position.
4 Insert pneumatic tube ø = 4mm in connection 4
(black) for the reply signal “measuring position”.
4.7 Installing the sensor
Sensors with a diameter of 12mm and a connection
thread PG 13.5 must be used in the RF20H (Extract
810 and 820) retractable holder.
The length of the sensor depends on the sensor
type and the selected holder.
Observe information in chapter 8.4
“Sensors”!
Fig. 9: Sensor filled with gel (top), sensor filled
with liquid (bottom)
To long Sensors
could be damaged during installation
• Check the sensor length and use delivered
spacer if necessary!
Ensure that
• the holder is in the “service” position.
• all seals connected to the sensor are available.
• the sensor is not longer than the specified length.
Wrong!
Right!
How to install the sensor:
1) Insert sensor and tighten
2) Attach sensor cable
The retractable unit is now ready for operation.
CAUTION!
DANGER!
WARNING!
CAUTION!
DANGER!
WARNING!
> 5mm
5 - 7mm