Section II - Description
Standard Control Lights, Indicators &
Gauges
Main Power on Light
Indicates when power from the main
disconnect switch has been turned on
and there is live power at the compressor
starter and control panel. This light will
remain on as long as there is power to the
unit, regardless of the position of the auto
dual switch.
CAUTION!
A l w a y s c h e c k p o w e r s u p p l y
disconnect. The power on light may
be inoperable.
High Discharge Air Temperature Light
Indicates when the unit has sensed an
unusually high discharge temperature.
Hourmeter
Indicates actual hours of operation on the
compressor.
Air Pressure Gauge
This gauge indicates air pressure available
for distribution to the service line.
CAUTION!
Gauge may not register when the unit
is unloaded or off. Make certain all air
pressure is relieved prior to servicing.
Percent Capacity Gauge
This gauge is graduated in percent of the
total capacity of the unit. Readings taken
from this gauge give an indication of the
amount of air being used.
Discharge Temperature Gauge
This gauge indicates the temperature of
the air/fl uid mixture as it discharges from
the compressor. The normal reading is 180-
200°F.
7
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