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PCU 90
Magnetic locking
Rotary plate
Upper level of insert
Flap
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Side lights
Upper level of insert
Displacer
10 Operation
Secure CEE power supply. Switch on the
The PCU 90 can work with two dif-
main switch low down on the right of
ferent lighting concepts: the area
the operating side of the unit. Connect
lighting with six lamps which lights
protective gas. Set gas bottle pressure
up the lighting field optimally from
to 5 bar. The following will appear on
above and also the rotation func-
the display:
tion which provides optimum light-
ing of the area above the rotary
0:00
plate with four lamps from above
and two from the side.
The lighting time is set by turning the
multifunction knob. From 10:0 the sec-
The setting of the gas flow is performed
onds are displayed in stages of 30.
at the setting button on the right.
Release the locknut, set the desired gas
10:0 10:3 11:0
flow and retighten the locknut. The gas
flow is set at approx. 30 l / m in the fac-
tory for post curing at the higher level.
It is not possible to set more than 20:0
of lighting time.
Pressing the button starts the process.
A long press (3 seconds) on the button
always stops the respective program.
10.1 Post curing at the upper level
Move the flip switch upwards to area.
flow to approx. 30 l/min with the help
Open flap to curing area. Remove the
of the setting screw. The value is shown
rotary plate from the lower level if it is
on the blue flow display. A program
present. Remove the insert and put the
for pre-gassing and filling the light-
displacer in position.
ing chamber and protecting the lights
Caution: Never let go of the open-
will run for four minutes. After this the
ing flap. It must always be completely
actual lighting period starts. The dis-
guided by your hand whilst opening
play expires. After three minutes the
and closing. Push the glass slab in. Put
gas valve closes automatically and the
parts for post curing into position and
blue flow display goes out so that the
close opening flap. The magnetic lock-
PCU 90 is operated with protective gas
ing is audible. Set post curing time. A
for seven minutes.
quick press of the multifunction button
Normally an oxygen content is achieved
starts the post curing program and the
in the chamber which is needed for
set post curing time flashes. Set the gas
inhibition free post curing. Once the
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