IM 1044-2 Centrifugal Chillers 39
Figure 23, Unit Control Panel
Figure 24, Compressor Control Panel
Terminal Block
Controller
Switches
OFF Switch
& Control Power
Isolation Board
Oil Pump Overload
Oil Pump Contactor
Oil Pump Starting Capacitor
Compressor Microprocessor
Transducer/Converter Board
5VDC Output, 0-5V Input
pLAN Connection
115V-24V Transformers (3)
RS485 Serial Card for
Starter Display Option
Bias Block for Starter
Display Option Connection
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