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GENERAL OPERATION
The compressor is an electric motor driven, single stage
screw compressor, complete with accessories piped,
wired and baseplate mounted�� It is a totally self contained
air compressor package��
The standard compressor is designed to operate in an
ambient range of 35��6 °F – 104 °F (2 °C to 40 °C) with a
special option package available to operate in ambient
temperatures ranges from 35��6 °F up to124 °F (2 °C up to
50 °C)�� The maximum temperature is applicable to either
version up to a maximum elevation of 3280 ft (1000 m)
above sea level�� Above this altitude significant reduction
in maximum allowable ambient temperature is required��
Compression in the screw type air compressor is created
by the meshing of two (male & female) helical rotors��
The air/coolant mixture discharges from the compressor
into the separation system�� This system removes all but
a few PPM of the coolant from the discharge air�� The
coolant is returned to the cooling system and the air
passes through the aftercooler and out of the compressor��
Cooling air is moved through the coolers by the cooling
fan and discharged from the machine��
CAUTION
Cooling air is drawn in at the end of the machine
package passing through the filter and cooler
before being discharged from the top of the
machine�� Care should be taken to avoid blocking the
airflow, or causing any restriction in excess of the
maximum backpressure allowed for ducting��
Do not direct the airflow at face or eyes��
The power transmission from the drive motor to the
airend male rotor is by pulley and belts�� The constant
auto tensioning system, using airend mass torque and
gas arm, ensures that the belts are always under the
correct tension, eliminating the need for adjustment and
maximizing the life of the belts��
80448418 Rev.C
RELEASED 20/Jul/2016 17:56:55 GMT
All manuals and user guides at all-guides.com
OPERATING INSTRUCTIONS
By cooling the discharge air, much of the water vapor
naturally contained in the air is condensed and may be
drained from the downstream piping and equipment��
The coolant system consists of a sump, cooler,
thermostatic valve and a filter�� When the unit is operating,
the coolant is pressurized and forced to the compressor
bearings��The compressor load control system is
automatic on–off line��
The compressor will operate to maintain a set discharge
line pressure and is provided with an auto restart
system for use in plants where the air demand varies
sufficiently to allow a compressor to shut down and save
power�� Significant system volume will assist this and is
recommended
Safety of operation is provided as the compressor will
shut down if excessive temperatures or electrical overload
conditions should occur��
��
NOTICE
Not all Xe-70 Controller options available on this
compressor model (UP Series)��
WARNING
When the unit stops running as the result of low air
demand, normally indicated by auto restart light, it
may restart and return to load at any time��
CAUTION
This unit is not designed or intended to operate
when contaminated with silicone�� Lubricants,
greases or other items containing silicone should
not be used on this unit��
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