How to Properly Install a Screw Air Compressor

Proper installation of a スクリューエアコンプレッサー is crucial for optimal performance and longevity. In this guide, we will walk you through the best practices for installing and maintaining your air compressor system.

• Adequate Space: Choose a spacious area with good lighting to ensure easy operation and maintenance.
• Air Quality: The air should have low relative humidity and minimal dust. Ensure that the environment is clean and well-ventilated.
• Temperature: The environment temperature should be below 40°C. Higher temperatures can reduce the air output of the compressor.
• Dusty Environments: If the air quality is poor, consider installing pre-filtration equipment to protect the compressor.
• Accessibility: Leave sufficient space around the compressor, especially for maintenance. Maintain at least a 70 cm distance from walls, and ensure the top space is at least 1 meter.
• Maintenance Space: If possible, install an overhead crane for easier maintenance.

A. Air Piping Tips

• Pipe Slope: Ensure the main air line has a 1° to 2° slope to allow condensation to drain out effectively.
• Pipe Diameter: Choose larger diameter pipes to minimize pressure loss. Ideally, the pressure drop in the piping system should not exceed 5% of the compressor’s rated pressure.
• Condensation Management: The pipes should be installed with a one-way valve at the compressor’s air outlet to prevent water backflow into the compressor. Additionally, install automatic drainage valves at the end of the main line to remove condensed water.
• System Design: For systems with air dryers or filters, an ideal setup would be: screw compressor → air receiver tank → pre-filter → dryer → post-filter. This configuration reduces the load on the dryer and filters by removing water and lowering air temperature before treatment.
• Pressure and Airflow Considerations: For systems operating below 1.5 MPa, aim to keep the airflow speed below 15 m/s to minimize pressure drop. Avoid excessive use of elbows and valves to reduce energy loss.

B. Foundation Setup

• Flat and Rigid Surface: Ensure the foundation is level and made of durable material. An uneven base can cause vibration and noise during operation.
• Vibration Isolation: If installing on an upper floor, ensure proper vibration isolation to prevent noise and vibration transmission.
• Anti-Vibration Pads: While screw compressors generate minimal vibration, it’s still advisable to place anti-vibration pads under the unit to reduce any potential noise.

C. Cooling System

• Adequate Ventilation for Air-Cooled Compressors: Ensure the compressor is not placed near heat sources. Excessive intake air temperature can increase the exhaust air temperature and affect compressor performance.
• Enclosed Space Installation: If installing in a confined space, you’ll need to install exhaust fans to ensure proper airflow. The fan capacity should exceed the compressor’s cooling airflow to maintain safe operation.

• Authorized Technicians: Only authorized technicians should carry out the initial start-up and testing procedures.
• Pre-Start Check: Ensure that the machine is free of any tools or foreign objects, and close all doors before powering on.
• Direction of Rotation: During start-up, check the direction of rotation. If the compressor is rotating in the wrong direction, stop immediately and swap any two of the three-phase lines to correct it.
• Overload Protection: Never run the compressor above the rated discharge pressure, as this can overload the motor and cause damage.
• Remote Control Warnings: If the compressor is remotely controlled, ensure that appropriate warning signs are in place to prevent accidental operation.

Proper maintenance is essential for extending the lifespan of your スクリューエアコンプレッサー. Here are some maintenance tips:

• Safety First: Always ensure the power is disconnected before performing any maintenance. Display clear warning signs such as “Under Maintenance” to avoid accidental startup.
• Allow Cooling: Before servicing the compressor, allow it to cool down and ensure that all system pressure has been safely released.
• Cleaning: When cleaning components, use non-corrosive solvents. Avoid using flammable or volatile cleaning agents.
• Safety Valve Checks: Periodically inspect safety valves to ensure they are functioning properly. It’s recommended to check them annually.
• Genuine Parts: Always use original parts for repairs. Using non-approved parts or mixing different brands of compressor oil can lead to serious system failures.

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