Performing inspection / maintenance
Draining the test liquid / Draining unit
Drain off the test liquid as described below:
1.
CTU 1xx0
– Remove the right side
panel.
CTU 1xx1
– Remove the left side panel.
To do this, turn the locks 90° in a
counterclockwise direction using the
four-sided hollow socket key. Flip the
side paneling away from the CTU and up
out of the lower guide.
Remove the ground bond wire.
On the filter regulator, set the rinsing
pressure to 1 bar.
2. Start the "Drain Unit" process in the CTU
software.
For controlling the process, please refer
to
"CTU 1000 Software — User's Guide."
3. Provide a collection receptacle, insert the
hose in it, and turn the drain ball valve
90° to the left (counterclockwise).
Hold the hose while draining the
unit until the drain ball valve is closed.
This process leaves a small
amount of test liquid in the feed & return
filters and in the lines.
Max. capacity is approx. 20
liters.
Service
FILL UNIT
DRAIN UNIT
MANUAL VALVE
CONTROL
CTU 1000 Series
en(us)
Page 71 / 92
BeWa CTU1000 3229578p en-us 2017-04-25.doc
2017-04-25
