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Hanbell RC2-260B - User Manual

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5580 Enterprise Pkwy., Fort Myers, FL 33905 O󰀩ce (239) 694-0089 Fax: (239) 694-0031
www.mcscontrols.com
High-efciency
Model
RC2 Series
Screw Compressor
New generation of
innovative design
Screw compressor
TECHNICAL MANUAL
VERSION 2.0 -10-18-2018

Table of Contents

Questions and Answers

  • K
    Kristie MorenoAug 14, 2025
    Why is the discharge temperature high in my Hanbell RC2-260B?
    • S
      scottsamuelAug 14, 2025
      High discharge temperature in a Hanbell Air Compressor can stem from several issues: * Insufficient refrigerant: Check for leaks, add refrigerant, and adjust suction superheat to less than 10°K. * Condenser problems: Inspect and clean the condenser to ensure proper heat exchange. * Refrigerant overcharge: Reduce the amount of refrigerant. * Air/moisture: Purify refrigerant and vacuum system. * Expansion valve issues: Adjust suction superheat. * Insufficient lubrication oil: Add oil. * Damaged bearings: Change the bearings. * Improper Vi value: Change the slide valve. * Lack of system cooling: Install liquid injection or oil cooler.
  • J
    Jessica ParkAug 17, 2025
    What to do if Hanbell RC2-260B motor thermistor / sensor trips suddenly?
    • J
      jrossAug 17, 2025
      If your Hanbell Air Compressor experiences a sudden trip of the motor thermistor or sensor, it could be due to several reasons: * Low suction pressure: Install liquid injection to the motor coil. * Refrigerant shortage: Charge refrigerant. * Clogged suction filter: Clean the filter. * High suction temperature: Install liquid injection to the motor coil. * High suction superheat: Adjust the superheat to less than 10°K. * Unstable electricity: Check the electricity power supply.
  • J
    Julie LeeAug 21, 2025
    How to fix abnormal vibration and noise in Hanbell Air Compressor?
    • S
      stevenwatsonAug 21, 2025
      Abnormal vibration and noise in your Hanbell Air Compressor can arise from: * Damaged bearings: Change the bearing. * Liquid compression: Adjust proper suction superheat. * Rotor friction: Change screw rotors or/and compression chamber. * Insufficient lubrication oil: Add oil. * Loosen internal parts, friction between slide valve and rotors, external debris: Dismantle the compressor and change the damaged parts. * Electromagnetic sound of the solenoid valve: Check. * System harmonic vibration: Check the system piping and if possible improve it using copper pipe. * Motor rotor rotates imbalance: Check and repair.
  • S
    Sean EdwardsAug 25, 2025
    Why does my Hanbell RC2-260B Air Compressor fail to start or have Y-Δ starter shifting failure?
    • M
      Mr. Michael PerryAug 25, 2025
      If your Hanbell Air Compressor fails to start or the Y-Δ starter shifts incorrectly, consider these potential causes: * Slide valve piston issue: Check if the unloading SV is energized once the compressor shuts down. Unload the compressor before shot down. * Incorrect voltage: Check the power supply. * Voltage drop/contactor failure/phase failure: Check the power supply and the contactor. * Motor breakdown: Change the motor. * Incorrect power connection: Check and re-connect. * Y-Δ timer failure: Check or replace. * Closed valve: Open the stop valve. * Improper Y-Δ wiring: Check and re-connect the wiring. * Rotor locked/Earth fault: Check and repair. * Protection device trip: Check.
  • S
    Sally WaltonAug 27, 2025
    What causes oil loss in a Hanbell Air Compressor?
    • R
      Russell YoderAug 27, 2025
      If your Hanbell Air Compressor is losing oil, possible causes include: * Lack of refrigerant: Check for leaks and add refrigerant. * Improper system piping: Check and correct the piping or install an external oil separator. * Liquid fills back: Maintain suitable suction superheat at compressor.
  • J
    jonesvalerieAug 30, 2025
    Why is my Hanbell Air Compressor unable to load?
    • P
      patricia77Aug 31, 2025
      If your Hanbell Air Compressor is unable to load, consider the following: * Low temperature/high oil viscosity: Turn on the oil heater before compressor start. * Clogged capillary: Clean or replace capillary. * Solenoid valve issues: Clean/purge the valve core or replace the coil. * Clogged oil line: Check and clean the compressor oil circuit. * Piston issue: Change piston or piston ring. * Clogged oil filter: Clean oil filter (replace if needed). * Small pressure differential: Minimum pressure differential is 4 bar. Consider to install an oil pump.
  • H
    hrhodesSep 3, 2025
    What causes a Hanbell RC2-260B Air Compressor to be unable to unload?
    • B
      Brandon AllenSep 3, 2025
      If your Hanbell Air Compressor is unable to unload, it could be due to: * Modulation solenoid valve clogged or burnt: Clean or replace the solenoid valve. * Worn/broken piston rings or damaged cylinder: Change piston (if cylinder damaged severely, change the cylinder). * Insufficient lubrication oil: Add oil if necessary. * Leakages at internal discharge cover plate end side: Check or replace the gasket and tighten the bolts. * Solenoid valve voltage misused: Check the control voltage. * Piston stuck: Change the piston set, and check the cylinder and slide valve. * Capacity control logic unsuitable: Check.
  • R
    Ronald GraySep 6, 2025
    What causes low suction pressure in a Hanbell Air Compressor?
    • L
      lscottSep 6, 2025
      If your Hanbell Air Compressor has low suction pressure, check for: * Lack of refrigerant: Check for leaks and add refrigerant. * Dirty/iced evaporator: Defrost or clean coil. * Clogged liquid line filter drier: Replace the cartridge. * Clogged suction line/strainer: Clean or change suction strainer. * Expansion valve malfunctioning: Check and reset for proper superheat. * Low condensing temperature: Check means for regulating condensing temperature.
  • S
    Sarah LangSep 9, 2025
    What to do if Hanbell RC2-260B does not run?
    • J
      Julie WongSep 10, 2025
      If your Hanbell Air Compressor does not run, check these potential causes: * Motor line open: Check. * Tripped overload: Check the electrical connection. * Screw rotors seized: Replace screw rotors, bearings etc. * Motor broken: Change motor.

Summary

2. Specifications and description of design

2.2 Compressor specifications

Lists detailed specifications for RC2 series compressor models.

2.3 RC2 series compressor construction

Explains the internal components and structure of RC2 series compressors.

2.4 Design features

2.6 Capacity control system

Explains how the compressor capacity is adjusted.

2.7 3 or 4-step capacity control system

2.8 Continuous (stepless) capacity control system

2.11 Application limits

4. Compressor handling and installation

4.2 Mounting the compressor

5. Electrical data and design

5.3 Power supply

Covers power supply requirements and voltage limitations.

5.2 Compressor protection devices

Details essential protection devices for compressor safety.

5.4 Grounding

6. Operation and maintenance

6.1 Compressor start-up

Outlines the pre-start checks and procedures for safe operation.

6.2 Troubleshooting

Offers solutions for common compressor operational problems.

7. Applications

7.1 Additional cooling

7.2 Economizer applications

7.5 Important note of applications of compressor

8 Selection software

8 Selection software

Guides on installing and using the compressor selection software.

9. Warranty

9. Warranty

Outlines the terms and conditions of the compressor warranty.

Hanbell RC2-260B Specifications

General IconGeneral
BrandHanbell
ModelRC2-260B
CategoryAir Compressor
LanguageEnglish

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