Oerlikon Leybold Vacuum 960 862, Operating Instructions Manual

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25 GA02319_002_03 - 07/2007 - © Oerlikon Leybold Vacuum
Draining of the water-cooling circuit (before transport, long time
storage, winter time).
Remove the cover Item 55 and place a water recovery pan under the heat
exchanger and unscrew the plug Item 57.
The heat exchanger water will drain.
To drain completely the heat exchanger:
■
Remove the water outlet hose and close the water outlet with a plug.
■
Remove the water inlet hose
■
Connect a compressed air supply in place of plug Item 57 and blow.
Attention, water will be evacuated through the water inlet connection.
Reassemble in the reverse sequence.
3.3 Electrical connections
Ensure that incoming power to the pump is off before wiring the motor or
altering the wiring.
Installation
Warning
LOW VOLTAGE HIGH VOLTAGE
CONNECTION DIAGRAM
Electrical connection work must only be carried out by a qualified electrician
in accordance with the applicable safety rules, see IEC 60204-1.
Connect the pump’s motor to the right supply voltage via the connections
in the junction box (see fig. 6). The relevant safety rules require the use of a
suitable motor protection switch. Set the switch in accordance with the rating
on the motor nameplate.
fig. 6
Note