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Hanbell RC2-180B - 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

  • J
    James WeissAug 14, 2025
    Why is the discharge temperature high in my Hanbell RC2-180B Air Compressor?
    • C
      Christopher RoseAug 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.
  • L
    Lisa FieldsAug 17, 2025
    What to do if Hanbell RC2-180B Air Compressor motor thermistor / sensor trips suddenly?
    • T
      taylormariaAug 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.
  • R
    reyesmichelleAug 20, 2025
    How to fix abnormal vibration and noise in Hanbell RC2-180B?
    • S
      Shirley TurnerAug 20, 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.
  • M
    Melissa AndersonAug 25, 2025
    Why does my Hanbell RC2-180B fail to start or have Y-Δ starter shifting failure?
    • H
      hbarryAug 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.
  • K
    karenjohnsonAug 27, 2025
    What causes oil loss in a Hanbell RC2-180B?
    • R
      Rachel OlsenAug 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.
  • A
    Anna LewisAug 31, 2025
    Why is my Hanbell RC2-180B unable to load?
    • A
      Andrew BauerAug 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.
  • W
    Wesley JeffersonSep 3, 2025
    What causes a Hanbell RC2-180B Air Compressor to be unable to unload?
    • H
      Hannah MorrowSep 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.
  • A
    Alexis PhillipsSep 6, 2025
    What causes low suction pressure in a Hanbell RC2-180B?
    • K
      Kristie YoungSep 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.
  • E
    Ellen DoyleSep 9, 2025
    What to do if Hanbell Air Compressor does not run?
    • C
      Christina JohnsonSep 9, 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

Detailed Compressor Specifications

RC2-A Series Specifications

Detailed specifications for RC2-A series compressors, including model, displacement, motor, etc.

RC2-B Series Specifications

Detailed specifications for RC2-B series compressors, including model, displacement, motor, etc.

RC2 Series Compressor Construction Details

Key Design Features of Hanbell Screw Compressors

Compression and Capacity Control Systems

Capacity Control System Overview

Explanation of 3-step/4-step and continuous (stepless) capacity control systems.

Specific Capacity Control System Operations

3 or 4-Step Capacity Control

Details on how 3 or 4-step capacity control systems operate using solenoid valves.

Continuous (Stepless) Capacity Control

Explanation of the continuous (stepless) capacity control system using solenoid valves.

Compressor Technical Parameters and Limits

Application Operating Limits

Operating limits for RC2 compressors based on refrigerant type and conditions.

Electrical Specifications and Data

MCC and LRA Data Tables

Lubrication System Management

Compressor Handling and Installation Guidelines

Safe Compressor Lifting Procedures

Instructions and figures for lifting compressors using chains or safety ropes.

Compressor Mounting and Piping

Guidelines for compressor mounting, including piping, slope, and anti-vibration pads.

Compressor Accessories and Options

Control Modules, Sensors, and Heaters

Description of INT69HBY module, PTC sensors, oil level switch, and oil heater.

Cooling and Auxiliary System Components

Temperature Sensors and Pressure Valves

Compressor Installation and Connection Procedures

RC2 Models 100-620 Installation Diagrams

RC2 Models 710-930 Installation Diagrams

RC2 Models 1020-1530 Installation Diagrams

Electrical System Design and Data

Motor Design and Starting Methods

Details on motor design, Y-A starting, Delta-Delta (PW) starting, and DOL starting.

Power Supply Wiring and Grounding

Guidelines for power supply wiring, grounding, and starter connections.

Compressor Protection and Power Supply Issues

Compressor Protection Devices Overview

List of protection devices essential for compressor safety and operation.

Grounding Procedures and Suggestions

Importance of grounding and suggestions for proper grounding setup.

Compressor Operation and Maintenance

Compressor Start-up Checklist

Required procedures and checkpoints for starting up the compressor.

Troubleshooting Guide for Common Problems

Table of common problems, their causes, and corrective actions.

Additional Cooling System Applications

Liquid Injection Cooling Methods

Oil Cooler Cooling Methods

Economizer and Parallel System Applications

Important Compressor Application Notes

Compressor Operation Precautions

Hanbell Compressor Selection Software

Software Installation Guide

Software Operating Procedure

Warranty and Preventive Maintenance Guidelines

24-Month Warranty Information

Warranty Maintenance Procedures

Short-Term Maintenance Checks

Long-Term Maintenance Schedule

Hanbell RC2-180B Specifications

General IconGeneral
BrandHanbell
ModelRC2-180B
CategoryAir Compressor
LanguageEnglish

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