4
Figure 2 - Controller Overview
Keypad
System ON/OFF,
Up Arrow
Down Arrow
Manual Run, Manual Flush
Supply Power
Connections
Motor
Connections
Terminal Board
CPU4 Board
Conductivity Probe
Connections
Display
(4 line, 20 character)
Clear, concise feedback
on the RO’s status.
Alarm
Display backlight
flashes along with
audible beeper to
indicate alarm condition.
Содержание NRO ROC-3HE
Страница 1: ...Nelsen NRO ROC 3HE System Controller Documentation Systems with 3 hp Motors and Above...
Страница 4: ...2 Figure 1 Simplified Schematic...
Страница 5: ...3 Figure 1 1 Field Wiring Diagram...
Страница 7: ...5 Typical Configuration Figure 3 Controller Detail CPU 4 Typical Configuration...
Страница 8: ...6 Figure 4 Controller Detail Terminal Board TB 1 See Fig 1 for schematic...