Yokogawa Pneumatic Retractables RF20H - Manual (Page 6)

IM 12B06K06-E-E
6
6. Functions
To operate the RF20M (EXmatic 450), turn the black
switch on the front side.
The lights will indicate the position feedback of the
retractable fitting.
In order to start a cleaning, you operate one of the
push-buttons.
Operate the push-button "Cleaning I" and the valve
of the first cleaning solution will open.
With the push button "Cleaning II" the valve of the
second cleaning solution is opened.
The duration of the cleaning is controlled by the
push buttons.
7. Material
7.1 Material
Materials switchgear
Cabinet housing
Glass Reinforced Plastic: GRP
Stainless steel option
7.2 Ambient conditions
Temperature
Ambient temperature
0... +55°C
Transport and storage temperature 10... +60°C
Environment
Relative humidity
10... 95 % non-condensing
Enclosure
Housing
IP 54
7.3 Pneumatics
Pneumatics hoses ø outside ø inside
for control air 6 mm 4 mm
for position feedback 4 mm 2 mm
Compressed air
Filtered 40μm, water and oil-free
4 - 6 bar
no continuous air consumption