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Page 12 Installation and Operation Manual
FRONT PANEL CONTROLS
Figure 6 The Front Panel,
with Function Keys Below the Display
Indicators
Display
The display shows the actual system pressure in normal
operation.
S1 and S2 (Switch) Indicators
The S1 and S2 (red LED's) indicate switch status (illuminated
with the relay coil energized or the solid-state switch actuated).
Online Indicator
The Online indicator (green LED) is lit when the unit is
online and active. If the indicator is not lit, the unit is offline.