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GB
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96389-08.2019-DGbFEIRu
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Installation outside of the explosion endangered area!
5.6 Circuit diagrams for control section for direct start
Legend for circuit diagram YY (direct start)
FC1.1
Motor safety switch
FC2.1
Control fuse
FC2.2
Control fuse
LR / oil sump heater
SF1
Control voltage O/I
QA2
Performance contactor direct start
KF3
Collective malfunction alarm contactor
KF4
²
Electronic trigger unit INT69 EX2
FA1
AC-double barrier (compression temperature)
BT3¹
Pump down- pressostat/ thermostat or external enabling switch
BP1/BP2¹ High/low pressure monitoring in accordance with the relevant national regulations
X SS
Terminal strip in the external switch cabinet
X KK
Terminal strip in the supplemental terminal box with recognised protection type
Optional
KF1
Time delay relay (on delay) max. 90 sec. (bypass time at start)
KF2
Time delay relay (drop-off delay) max. 90 sec. (function begins when the
oil pressure / monitoring is reached during operation)
BP5
Oil differential pressure sensor (Kriwan)
EB1
Oil sump heater (ATEX design)
FA2
Switching repeater (oil pressure control)
FB1
Fault protection switch (release current 30 mA)
LR
Capacity regulator (ATEX design)
¹) Operate these components with the appropriate type of protection only
²
) Regard deviating connection voltage!
When using 24 V DC the installation of a safety isolating transformer is mandatory.
WARNING
With the installation of control and adjust parts the valid regulati-
ons for the explosion protection have to be observed!
INFO
