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Installation
The electrical options installed on the pump are wired and have their
respective connection terminals installed in the connection box.
Option : Oil level monitor
Reed contact
Power supply
Breaking power
(max.)
on resistiv circuit
AC 0.5 A
25 V
50 VA
DC 1.0 A
60 V
50 W
To be serial wired with the coil of motor’s contactor (the pump stops in case
of missing oil).
You must use imperatively an auxiliairy relay.
3.4 Start-up
The pumps are supplied with the necessary oil filling in ready-to-use
condition. Always verify proper oil level before operating the pump.
The pump is designed for fail-safe start-up at temperatures over 12°C (55°F)
(as per PNEUROP).
If local regulations provide a WYE-DELTA starting connect the pump to the
system so that it can start loadfree, i.e. at atmospheric pressure in the intake
port. If the vacuum system is not to be vented further measures will be
necessary, e.g. a starting valve can be mounted. Please contact us in this
case.
The signals of the oil level switch and exhaust filter over pressure switch must
be delayed (timer) on the pump switch-on for approx. 1 minute.
SV630 BF is equipped with :
■
Electromagnetic gas ballast valve 24 V DC. Connection has to be made on
junction box (see fig. 7).
■
Antisuckback valve driven by EM valve DC. Connection has to be made on
junction box (see fig. 7).
1 2
3 4
5 6
7 8
9 10
OIL LEVEL MONITOR
MONITORED ANTISUCKBACK VALVE 24 V DC
GAS BALLAST 24 V DC
PRESSOSTAT OR OPTION
OIL THERMAL SWITCH
Caution
OPTIONS
fig. 7
ACCESSORIES
28
GA02319_002_02 - 01/2007 - © Oerlikon Leybold Vacuum
Summary of Contents for 960 862
Page 17: ...17 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Description fig 4 ...
Page 43: ...43 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts DIRECTION OF ROTATION fig 10 ...
Page 44: ...44 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts DIRECTION OF ROTATION fig 11 ...
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Page 54: ...54 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Notes ...
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