
Operation
The product is ready for operation as soon as it has been
installed.
Valve positions
open
closed
Valve positionNominal voltage
supplied
supplied
not supplied
not supplied
Compressed air
not supplied
supplied
supplied
not supplied
In the event of a power failure, the pilot valve can be
manually actuated with the emergency button, if
compressed air is supplied:
· Open the valve by pressing the emergency button
· Close the valve by releasing the emergency
button.
Emergency button
Pressure difference Dp in closing direction
Caution
Closing direction
Caution: pressure differ-
ence
At Dp > 3 bar the valve
may be damaged.
Avoid pressure differences
Dp > 3 bar.
Pressure difference Dp in opening direction
Caution
Opening direction
Caution: pressure differ-
ence
At Dp > 3 bar the valve is
opened.
Avoid pressure differences
Dp > 3 bar.
Opens against a pressure difference Dp
Caution
Opening
Caution: pressure differ-
ence
At Dp > 3 bar the valve
may be damaged.
Avoid pressure differences
Dp > 3 bar.
Deinstallation
DANGER
Caution: contaminated parts
Contaminated parts can be detrimental to health
and environment.
Before beginning to work, find out whether any
parts are contaminated. Adhere to the relevant
regulations and take the necessary precautions
when handling contaminated parts.
DANGER
Caution: compressed air
Physical injury can result if a pressurized com-
pressed air line is disconnected.
Before doing any work, turn off the compressed
air supply and relieve the compressed air lines.
Caution
Caution: vacuum component
Dirt and damages impair the function of the
vacuum component.
When handling vacuum components, take
appropriate measures to ensure cleanliness and
prevent damages.
Caution
Caution: dirt sensitive area
Touching the product or parts thereof with bare
hands increases the desorption rate.
Always wear clean, lint-free gloves and use
clean tools when working in this area.
Preconditions
· Vacuum system vented
· Compressed air supply interrupted
· Compressed air line vented
· Control system turned off
Procedure
Disconnect the valve from the control system.
red
black
Press the thrust ring towards the valve and pull the
plastic tube.
Deinstall the valve from the valve seat.
Size 2.5 mm
Protective lid
Maintenance, Repair
See Operating Manual BP 805 054 BE. It can be downloaded
from our website.
Returning the Product
WARNING
Caution: forwarding contaminated products
Contaminated products (e.g. radioactive, toxic,
caustic or microbiological hazard) can be detri-
mental to health and environment.
Products returned to Pfeiffer Vacuum should
preferably be free of harmful substances. Adhere
to the forwarding regulations of all involved
countries and forwarding companies and enclose
a duly completed declaration of contamination.
Products that are not clearly declared as "free of harmful sub-
stances" are decontaminated at the expense of the customer.
Products not accompanied by a duly completed declaration of
contamination are returned to the sender at his own expense.
Disposal
DANGER
Caution: contaminated parts
Contaminated parts can be detrimental to health
and environment.
Before beginning to work, find out whether any
parts are contaminated. Adhere to the relevant
regulations and take the necessary precautions
when handling contaminated parts.
N
WARNING
Caution: substances detrimental to the environ-
ment
Products or parts thereof (mechanical and elec-
tric components, operating fluids etc.) can be de-
trimental to the environment.
Dispose of such substances in accordance with
the relevant local regulations.
Separating the components
After disassembling the product, separate its components
according to the following criteria:
· Contaminated components
Contaminated components (radioactive, toxic, caustic, or
biological hazard etc.) must be decontaminated in accor-
dance with the relevant national regulations, separated
according to their materials, and disposed of.
· Other components
Such components must be separated according to their
materials and recycled.