DD filter
The compressor is provided with an integrated filter of the DD type to limit carry-over of solid particles and
oil. By integrating a DD filter, the compressor delivers Quality Air according to ISO 8573-1, Class 2.4.2.
Energy recovery
The compressor is provided with an Atlas Copco energy recovery system to recover the major part of the
compression heat in the form of hot water without any influence on the compressor performance.
High ambient temperature (HAT)
The compressor is specially designed for continuous operation under humid and high ambient temperature
conditions. The maximum ambient temperature is:
• 50 ˚C (122 ˚F) for GA Full Feature and GA Full Feature with DD filter
• 55 °C (131 °F) for GA Pack
Roto-Xtend Duty Fluid
Roto-Xtend Duty Fluid is a special, long-life lubricant for GA oil-injected screw compressors. It provides
better cooling and extends the oil change interval.
SPM monitoring
A number of vibration sensors are provided on the drive motor and compressor elements. The readings can
be called up on the display of the Elektronikon regulator.
Anchor pads
Steel plates, fitting in the forklift slots, and bolts are shipped loose with the compressor. With these plates
and bolts, the compressor frame can be fixed to the floor.
Automatic water shut-off
A water shut-off valve is provided in the cooling water system to shut off the system when the compressor is
not in operation.
GSM alarm
The compressor is equipped with a device that is able to send SMS messages or emails to one or more pre-
defined cell phones via a built-in modem at pre-defined events to give information about the status of the
monitored equipment involved.
Heavy duty filter for VSD cubicle
A heavy-duty filter is provided to allow the compressor to operate in heavily contaminated surroundings (e.g.
cement or mining industry).
Instruction book
12 2920 1728 05
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