Heidolph Hei-VAP Expert Operating Manual page 85

Assembly
Attaching the vacuum control to the
control box
The components for the vacuum control
are situated on the vacuum manifold at the
back side of the flask lift. The connections
for these components are situated on the
control box.
➜ Attach the cable of the ventilation valve
to the connection "aerating valve".
The ventilation valve is situated on the
top right of the vacuum manifold.
➜ Attach the cable of the vacuum sensor
to the
"vacuum sensor" connection.
Only for valve-controlled pumps:
➜ Attach the cable of the vacuum valve to
the connection
"vacuum valve".
If you operate with a valve-controlled vacuum pump, you require the
vacuum valve. This is available as optional accessories (see chapter
"Spare Parts and Accessories")
Connection diagram for vacuum: Example valve-controlled pump/house vacuum
(View: evaporator back side)
Tube:
Condenser -
vacuum sensor
Vacuum sensor
Tube: Pump vacuum valve
* The optionally available Woulfe's bottle is attached between condenser and ventilation valve, if
required.
Vacuum valve
Ventilation valve
Vacuum
valve
Pump, e.g. Rotavac pumping
station with condensate cooler
85
Vacuum sensor
optional:
Woulfe's bottle connection
Ventilation valve
Condenser
Tube:
Ventilation valve -
condenser*