Description
Chicago Pneumatic QRS 30 125 BM 30 HP Rotary Screw Air Compressor, Base Mount - PN 4152027004
High-Output, Continuous-Duty Compressed Air in a Compact Base-Mounted Package
The Chicago Pneumatic QRS 30 125 BM Rotary Screw Air Compressor, part number 4152027004, is a rugged industrial compressed-air package engineered for dependable performance, quiet operation, and continuous-duty use.
Powered by a 30 HP motor, this fixed-speed rotary screw compressor delivers 113.8 ACFM at 125 PSIG. Its base-mounted configuration is designed for connection to an existing air receiver or central compressed-air system, making it an excellent choice for facilities with established piping, storage, and air-treatment equipment.
The Chicago Pneumatic QRS, or Quiet Rotary Screw, Series uses an enclosed, air-cooled, belt-driven design that provides smooth, consistent compressed air with reduced vibration. With an approximate sound level of 70 dBA, the QRS 30 is considerably quieter than many open-frame industrial compressors.
The QRS 30 125 BM is well suited for manufacturing facilities, automotive service operations, CNC machine shops, fabrication facilities, woodworking plants, packaging operations, fleet maintenance departments, and other applications requiring a dependable supply of compressed air throughout the workday.
The industrial TEFC motor can be configured for 208, 230, or 460-volt three-phase electrical service, providing installation flexibility for a wide range of commercial and industrial facilities.
Manufacturer Part Number: 4152027004
Key Features and Benefits
113.8 ACFM at 125 PSIG
Delivers the airflow required for multiple pneumatic tools, CNC machinery, production systems, automotive equipment, assembly lines, and other demanding compressed-air applications.
30 HP Fixed-Speed Rotary Screw Compressor
The fixed-speed design provides consistent compressor output for facilities with steady or predictable compressed-air demand.
Continuous Operating Capability
The QRS 30 is engineered for continuous operation, making it suitable for demanding industrial environments where compressed air is required throughout the workday.
Base-Mounted Configuration
This compressor is supplied without an integrated air receiver tank. It can be connected to an existing receiver or paired with a properly sized separate ASME-rated air tank.
Compact Industrial Footprint
The base-mounted QRS 30 measures approximately 45 inches long, 31 inches wide, and 49 inches high, providing substantial airflow in a package occupying less than 16 square feet.
Quiet Enclosed Design
The low-sound enclosure limits compressor noise to approximately 70 dBA, allowing installation closer to active work areas when proper ventilation and service clearances are provided.
ES4000 Connect Controller
The ES4000 Connect controller provides intuitive compressor operation, system monitoring, energy-management functions, and remote connectivity.
Controller features include:
- Easy-to-use digital display
- Pressure and temperature monitoring
- Operating-hour tracking
- Service status, history, and notifications
- Real-time warnings and shutdown alarms
- DSS advanced energy-saving functions
- Load/no-load operation with intelligent shutdown
- Leakage-detection capability
- Remote pressure-band adjustment
- Over-the-air software updates
- Connectivity for remote monitoring and control
ICONS Remote Monitoring
The ES4000 Connect controller supports Chicago Pneumatic’s ICONS platform, allowing authorized users to review compressor information from a compatible computer, tablet, or smartphone.
Available information may include:
- Compressor operating status
- Service notifications and history
- System pressure
- Temperature
- Leakage information
- Overall compressor health
- Warning and shutdown alerts
Network access, registration, and ICONS activation may be required.
Wye-Delta Reduced-Voltage Starting
The Wye-Delta starter reduces motor-starting current compared with across-the-line starting. This helps limit excessive voltage drop and reduces stress on the facility’s electrical system during startup.
Tri-Voltage Three-Phase Motor
The industrial TEFC motor can be configured for:
- 208 volts, three phase
- 230 volts, three phase
- 460 volts, three phase
- 60 Hz operation
Final voltage configuration and electrical installation should be completed by a qualified electrician.
Permanently Aligned Belt-Drive System
The belt-drive transmission provides dependable power transfer between the motor and rotary screw airend. Chicago Pneumatic’s permanently aligned design helps support reliable operation and straightforward maintenance.
Efficient Pressurized-Canopy Cooling
The pressurized enclosure is designed to direct cooling air efficiently through the compressor package.
Cooling-system features include:
- Designed for ambient temperatures up to 115°F
- Radial cooling fan directly coupled to the main motor
- Cool inlet air directed toward the compressor package
- Easy access to the cooler for cleaning
- Streamlined cooling design with fewer separate components
Spin-On Service Components
Spin-on oil-filter and air-oil separator components help simplify preventive maintenance and reduce downtime during scheduled service.
Vibration-Isolated Assembly
Internal vibration isolation helps reduce vibration transferred to the surrounding floor and connected compressed-air piping.
Standard Features
- 30 HP rotary screw air compressor
- 113.8 ACFM at 125 PSIG
- Base-mounted configuration
- Fixed-speed operation
- Continuous operating capability
- Approximately 70 dBA sound level
- Low-sound enclosure
- Air-cooled design
- Pressurized-canopy cooling system
- Radial cooling fan coupled to the main motor
- Wye-Delta reduced-voltage starter
- ES4000 Connect controller
- ICONS remote-monitoring capability
- DSS advanced energy-saving functions
- Load/no-load control with intelligent shutdown
- Permanently aligned belt-drive system
- Spin-on oil filter
- Spin-on air-oil separator
- Industrial TEFC motor
- NEMA 1 electrical protection
- Vibration-isolated assembly
- UL and cUL-approved control panel
- Tri-voltage three-phase motor
- Space-saving design under 16 square feet
Technical Specifications
| Specification |
Details |
| Manufacturer |
Chicago Pneumatic |
| Model |
QRS 30 125 BM |
| Manufacturer Part Number |
4152027004 |
| Compressor Type |
Rotary screw |
| Operating Type |
Fixed speed |
| Drive Type |
Belt drive |
| Motor Output |
30 HP |
| Rated Airflow |
113.8 ACFM |
| Rated Operating Pressure |
125 PSIG |
| Mounting Configuration |
Base mounted |
| Air Receiver Tank |
Not included |
| Integrated Refrigerated Dryer |
No |
| Voltage |
208-230/460V |
| Phase |
Three phase |
| Frequency |
60 Hz |
| Motor Enclosure |
TEFC |
| Starter Type |
Wye-Delta reduced voltage |
| Cooling Method |
Air cooled |
| Controller |
ES4000 Connect |
| Remote Monitoring |
ICONS compatible |
| Approximate Sound Level |
70 dBA |
| Electrical Protection |
NEMA 1 |
| Duty Rating |
Continuous operating capability |
| Approximate Dimensions |
45 × 31 × 49 inches |
| Approximate Weight |
758 pounds |
| Maximum Rated Ambient Temperature |
115°F |
The January 2024 Chicago Pneumatic QRS 20-30 brochure confirms the QRS 30 airflow, sound level, dimensions, weight, controller, electrical options, cooling system, and standard package features.
Recommended Applications
The Chicago Pneumatic QRS 30 125 BM is well suited for:
- Manufacturing facilities
- CNC machine shops
- Automotive repair centers
- Tire and fleet-service facilities
- Automotive dealerships
- Metal fabrication facilities
- Woodworking and cabinet plants
- Packaging operations
- Plastics-processing facilities
- Pneumatic assembly systems
- Industrial maintenance departments
- Automation systems
- Production machinery
- Multi-station pneumatic systems
- General industrial compressed-air systems
Air Receiver Recommendations
This base-mounted compressor does not include an air receiver tank.
A properly sized ASME-rated receiver is recommended for most installations to:
- Provide compressed-air storage
- Stabilize system pressure
- Support short periods of peak demand
- Reduce rapid compressor loading and unloading
- Improve condensate separation
- Reduce pressure fluctuations at downstream equipment
Receiver capacity should be selected according to the facility’s air-demand profile, operating pressure, available space, and acceptable compressor cycling frequency.
The receiver tank does not increase the compressor’s continuous output. Sustained air consumption must remain within the QRS 30’s rated capacity of 113.8 ACFM at 125 PSIG.
Air Treatment Recommendations
This compressor configuration does not include an integrated refrigerated air dryer. Compressed air naturally contains moisture, oil aerosols, and particulate contamination that may need to be removed before reaching downstream equipment.
Depending on the application, the compressed-air system may also require:
- Refrigerated compressed-air dryer
- Moisture separator
- Automatic receiver-tank drain
- General-purpose particulate filter
- High-efficiency coalescing filter
- Activated-carbon filter
- Pressure regulator
- Oil-water separator
- Point-of-use air treatment
Paint spraying, CNC machinery, automation equipment, instrumentation, and moisture-sensitive production processes normally require additional drying and air treatment.
The receiver, dryer, and downstream equipment should be sized according to compressor airflow, operating pressure, inlet-air temperature, ambient conditions, required air quality, and acceptable system pressure drop.
Installation Considerations
The compressor should be installed indoors on a level, structurally adequate surface with sufficient room for ventilation, inspection, and routine maintenance.
Before installation:
- Confirm that the facility has 208, 230, or 460-volt three-phase electrical service.
- Verify that total compressed-air demand is within the compressor’s 113.8 ACFM capacity.
- Connect the compressor to a properly sized ASME-rated air receiver.
- Confirm that piping and downstream equipment are rated for the operating pressure.
- Provide adequate ventilation around the compressor.
- Prevent heated cooling air from recirculating into the compressor intake.
- Keep the compressor intake and cooling-air openings clear of obstructions.
- Install the required electrical disconnect and overcurrent protection.
- Confirm that the facility’s electrical system can support the Wye-Delta starter.
- Use properly sized compressed-air piping.
- Install a flexible connection between the compressor and rigid piping.
- Install and test an automatic condensate drain on the receiver tank.
- Route oily condensate to an approved oil-water separator or disposal system.
- Maintain the manufacturer’s recommended service clearances.
- Verify proper motor rotation during startup.
- Configure the ES4000 Connect controller for the application.
- Activate ICONS remote monitoring when desired.
Although the QRS 20-30 platform is designed for ambient temperatures up to approximately 115°F, cooler and well-ventilated conditions generally support better reliability and longer equipment life.
Electrical and mechanical installation should be completed according to Chicago Pneumatic’s instructions and all applicable local codes.
Routine Maintenance
Proper preventive maintenance helps protect compressor output, operating efficiency, temperature control, and equipment life.
Typical maintenance includes:
- Check the compressor lubricant level.
- Inspect and replace the intake air filter as needed.
- Replace the oil filter at the recommended interval.
- Replace the air-oil separator when required.
- Use approved compressor lubricant.
- Inspect belt condition, alignment, and tension.
- Clean the oil cooler and cooling surfaces.
- Keep the radial-fan intake and discharge areas clear.
- Inspect hoses, fittings, valves, and electrical connections.
- Check the separate receiver tank and condensate drain.
- Inspect the compressed-air system for leaks.
- Review ES4000 Connect service notifications.
- Use ICONS data to identify operating irregularities.
- Follow all maintenance intervals listed in the operating manual.
Maintenance intervals may vary depending on operating hours, ambient temperature, humidity, dust levels, and installation conditions.
Warranty Information
1-Year Standard Warranty
Eligible for up to 5 years of warranty coverage. Terms and conditions apply.
Basic Troubleshooting
Compressor Cannot Maintain Pressure
Check for compressed-air leaks, an open condensate drain, a restricted intake filter, incorrect pressure settings, or downstream equipment consuming more than the available 113.8 ACFM.
Compressor Runs Hot or Shuts Down
Inspect room ventilation, ambient temperature, cooler cleanliness, lubricant level, intake restrictions, radial-fan operation, and the possibility of heated cooling air recirculating into the compressor intake.
Compressor Loads and Unloads Frequently
Check for compressed-air leaks, rapidly changing air demand, incorrect pressure-band settings, an open condensate drain, or an improperly sized receiver tank.
Compressor Does Not Start
Check the electrical disconnect, incoming voltage, fuses, circuit protection, emergency-stop control, ES4000 Connect settings, and any active warning or shutdown condition.
Compressor Rotation Is Incorrect
Three-phase electrical connections may need to be corrected to achieve proper motor rotation. Disconnect power and have a qualified electrician correct the phase rotation before operating the compressor.
Excessive Moisture Downstream
Check the receiver-tank drain and condensate-removal equipment. Install a properly sized refrigerated dryer and moisture-removal system when dry compressed air is required.
Excessive Pressure Drop
Inspect compressed-air piping, isolation valves, regulators, and downstream air-treatment components for restrictions or contamination.
Compressor Makes Unusual Belt Noise
Inspect belt condition, tension, alignment, pulleys, and guards. Shut down, disconnect, and lock out the compressor before inspecting the drive system.
ICONS Remote Monitoring Is Not Updating
Check the facility network connection, controller communication settings, ICONS registration, account configuration, and activation status.
Controller Displays a Warning or Fault
Record the warning or fault information and consult the operating manual. Do not repeatedly reset protective shutdowns without identifying and correcting the underlying cause.
Electrical repairs, internal pressure-system repairs, belt adjustments, controller repairs, and major compressor service should be completed by qualified personnel.
Frequently Asked Questions
How much air does the Chicago Pneumatic QRS 30 125 BM produce?
The Chicago Pneumatic QRS 30 125 BM delivers 113.8 ACFM at 125 PSIG.
What is the manufacturer part number?
The manufacturer part number is 4152027004.
Is this compressor base mounted or tank mounted?
This model is base mounted and does not include an air receiver tank.
Does this compressor include a refrigerated air dryer?
No. This configuration does not include an integrated refrigerated air dryer. A separate dryer can be added when moisture removal is required.
Does this compressor require a separate air receiver?
A properly sized ASME-rated receiver is recommended for most installations. The receiver provides compressed-air storage, stabilizes system pressure, supports peak demand, and reduces rapid compressor cycling.
Is this a single-phase compressor?
No. This model requires three-phase electrical power.
What voltages can this compressor use?
The compressor motor can be configured for 208, 230, or 460-volt three-phase power.
How loud is the Chicago Pneumatic QRS 30?
The QRS 30 has an approximate sound rating of 70 dBA.
Can this compressor operate continuously?
Yes. The QRS 20-30 platform is designed for continuous operating capability when properly sized, installed, ventilated, and maintained.
What is a Wye-Delta starter?
A Wye-Delta starter initially starts the motor using a reduced-voltage configuration and then transitions to normal operation. This reduces startup current compared with an across-the-line starter.
What does the ES4000 Connect controller do?
The ES4000 Connect provides compressor monitoring, service notifications, real-time warnings, shutdown alarms, energy-saving functions, leakage detection, remote-control capabilities, and software updates.
What is ICONS remote monitoring?
ICONS allows authorized users to review compressor alerts and operating information from a compatible computer, tablet, or smartphone.
Can this compressor operate multiple air tools?
Yes, provided the combined air consumption of all tools and equipment operating simultaneously does not exceed the compressor’s rated output of 113.8 ACFM.
Is this compressor suitable for CNC equipment?
Yes. Its continuous-duty output and stable airflow make it a strong option for appropriately sized CNC and manufacturing applications. A properly sized receiver, refrigerated dryer, and suitable downstream air treatment are normally recommended.
Can this compressor be used for paint applications?
Yes, when properly sized. Paint applications normally require a refrigerated air dryer and appropriate downstream air treatment.
What warranty is included?
This compressor includes a one-year standard warranty and may be eligible for up to five years of warranty coverage. Terms and conditions apply.
Why choose a rotary screw compressor instead of a piston compressor?
A rotary screw compressor provides continuous-duty capability, smoother airflow, reduced vibration, quieter operation, and longer operating cycles than many traditional reciprocating compressors.
What is the difference between fixed-speed and variable-speed operation?
A fixed-speed compressor runs its motor at a constant speed and loads or unloads according to system demand. It is generally best suited for facilities with steady or predictable compressed-air usage.
How do I determine whether 113.8 ACFM is enough?
Add the CFM requirements of all tools and equipment that may operate simultaneously. Include additional capacity for compressed-air leaks, peak demand, and future growth.
Why Buy from Compressed Air Advisors Online?
Compressed Air Advisors Online provides more than equipment in a box. Our team offers knowledgeable product-selection assistance, compressed-air system guidance, premium industrial manufacturers, and nationwide delivery.
We can help determine whether the Chicago Pneumatic QRS 30 125 BM provides the correct airflow, operating pressure, electrical configuration, receiver capacity, and air quality for your application.
When you need dependable compressed-air equipment supported by real-world application knowledge, Compressed Air Advisors Online is your compressed-air partner.
