AF Series Automatic Flow Variable Speed Rotary Screw Compressors
 FS-Curtis AF Series Energy Saving Air Compressors use industry leading Variable Speed Drive (VSD) technology to support compressed air demand while using the least amount of input energy as possible. The Automatic Flow (AF) compressors are dependable, energy efficient and will provide years of reliable service. Designed, built and tested in the USA, AF Series is manufactured to the latest ISO 9001: 2000 standards. Our precise pressure control feature maintains steady system pressure while air flow adjusts to system demand, allowing for maximum pay-back on your investment. You pay for the exact amount of energy required to operate your air system and not a penny more.
FS-Curtis LOWER LIFE CYCLE COST (LCC)
• Energy savings over fixed speed compressor up to 40%
• Less wear and tear resulting in lower maintenance cost
• Optimal operating speed per real air demand for reduced service cost
FS-Curtis HIGHLY EFFICIENT
• Efficient air end technology with the latest rotor profile design
• Reduced losses through design and component selection
• Automatically matches compressor speed to your
air system demand
AUTOMATIC FLOW---ENERGY SAVING VARIABLE SPEED COMPRESSORS.
DO YOU KNOW YOUR ACTUAL AIR COMPRESSOR LIFE CYCLE COST?
Energy cost can be up to 85% of the compressors Life Cycle Costs (LCC). Industry in the United States spends, on average, 10% of their power consumption to generate compressed air. What do you spend? Are you interested in real cost savings with a variable speed versus fixed speed compressor? The AF Series variable speed compressors can save up to 40% of the energy cost compared to traditional compressors. The total LCC savings over the compressor lifetime will be substantial.
FS-Curtis VARIABLE SPEED COMPRESSORS
A majority of compressors operate at considerably less than 100% capacity most of the time. Fixed speed compressors often need large receivers and air storage at higher than required pressure to compensate for demand fluctuations. This compensation results in higher energy costs, higher maintenance costs and reduced equipment life. The FS-Curtis AF Series compressors adapt to air demand by automatically adjusting the compressor flow to real air demand — the FS-Curtis Automatic Flow™.
FS-Curtis AF SERIES. compressor benefits in detail:
LOW COST AND EASY MAINTENANCE
• Standard and high efficiency motors and other components, versus other brands of variable speed compressors with proprietary parts
• Open and uncluttered layout for easy access and fast service
• Service intervals adapt to actual operating conditions using FS-Curtis custom developed software
HIGH EFFICIENCY
• Automatic Flow™ matches the compressor speed to your air demand, reducing power consumption up to 40%
• High efficiency motor and drive with a broad turn-down range minimizes energy consumption in all applications
• Precise pressure control and automatic stand-by mode provide additional savings
LOWER LIFE CYCLE COSTS
• Stable and accurate operating pressure with no over-pressurization minimizes energy costs
• Soft start and stop features with reduced (average) compressor speed reduces compressor wear and tear and minimizes stress to power supply system
• Reduced wear and tear minimizes service and maintenance requirements
• Simple design with standard components provides best reliability, value and cost savings over the compressor Life Cycle
HIGH RELIABILITY
• Low air end and motor speeds provide long and trouble free operational life
• Standard components are proven, reliable and require minimum service
• Standard EMC-filter and Line Reactor in the VFD (Variable Frequency Drive) lowers total investment cost and prevents harmful effects to your power supply and other equipment
TOUCH SCREEN CONTROL
• Industry’s best user-friendly interface with simple menu structure and touch screen control
• Real time operational data display for easy reading and operation
• Multiple user-friendly features for service advisories, fault alarms, history logs and status
• Expandable features for additional control, monitoring and customer benefits
FS-Curtis AUTOMATIC FLOW compressors offer you reduced energy consumption when compressor is operating at less than 100% capacity. Any decrease in system air demand corresponds to a direct, linear percentage decrease in power consumption. Unnecessary energy usage from other forms of compressor control is eliminated resulting in major pay back potential on your investment. At zero air flow, adjustable “sleep mode” timer turns unit off for additional energy savings.
PRECISE CONTROL…
COLOR TOUCH SCREEN CONTROL
Available on AF-225 through AF-960 models.Advanced, simple to use high resolution color touch screen control monitors the parameters and working conditions of the compressor and allows for precise control of all operational functions. Screen displays include the following:
• Comprehensive operational data display
– Motor speed
– Motor torque
– Drive temperature
– Current
– Voltage
– kW/hour
– Calculates percentage of power being used
– Calculates accumulative energy savings
• System pressure
• Separator pressure
• Operating temperature
• Hour meters
• Service maintenance advisories
– Air intake filter change
– Oil filter change
– Oil change
– Separator element change
Panel filter change
• Fault shutdown alarms
– High pressure
– High differential pressure
– High temperature
– Motor overload
– Motor phase loss
– High or low voltage
– Blocked air intake filter
– Emergency stop
• Fault shutdown history display
– Records fault description
– Records time and date
– Records time of corrective procedure
– Displays corrective procedure taken
• Compressor status display
– Compressor in running mode
– Compressor in standby mode
– Compressor in load or blow down mode
• Additional capabilities
– Automatic restart after power interruption
– Remote control (optional remote station required)
Lead lag control (optional timer required)
INTEGRATED SYSTEMS---HIGH QUALITY COMPRESSED AIR.
Rely on FS-Curtis to help you get the air quality and system performance you need.
STANDARD FEATURES
• Automatic Flow™ variable frequency speed control
• Heavy duty intake filter
• High efficiency air end
• Low loss drive system
• High efficiency, inverter duty TEFC electric motors
• 115V control voltage
• Soft start feature
• NEMA 12 control panel
• Easy key pad control (AF108 – AF140)
• High resolution touch screen control (AF225 – AF960)
• Automatic restart
• Multi-stage oil separation system
• Heavy-duty oil filter with by-pass
• Oil level sight glass
• Side-by-side oil/air cooler
• Air cooled
• Rigid base with forklift slots
• Multi-level safety systems
• Pressure relief valve
• Emergency stop
• Factory fill synthetic oil
• 460v, 60Hz supply voltage
• Variable speed fan control
OPTIONAL FEATURES
• Quiet Enclosure
• Water Cooled
• Alternative Voltages (200, 230, 575V, 60Hz with pre-transformer)
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