Hanbell RC2-AV Series User Manual

Contents
1. General ........................................................................................................................................ 1
2. Specifications and description of design ................................................................................. 2
2.1 Compressor nomenclature ............................................................................................... 2
2.2 Compressor specifications .............................................................................................. 3
2.3 RC2-AV series compressor construction ........................................................................ 4
2.4 Design features.................................................................................................................. 6
2.5 Compression process ....................................................................................................... 7
2.6 Guide to VFD application .................................................................................................. 7
2.7 Capacity control system ................................................................................................... 8
2.8 Compressor volume ratio (Vi) .......................................................................................... 8
2.9 Application limits ............................................................................................................... 9
3. Lubricants ................................................................................................................................. 10
3.1 Lubricants table ............................................................................................................... 10
3.2 Pre-cautions of oil change .............................................................................................. 10
3.3 Oil change ........................................................................................................................ 11
4. Compressor lifting and installation......................................................................................... 12
4.1 Compressor lifting ........................................................................................................... 12
4.2 Mounting the compressor .............................................................................................. 12
4.3 RC2-AV series compressor outline drawings ............................................................... 14
4.4 Compressors accessories .............................................................................................. 37
5. Electrical data and design ....................................................................................................... 50
5.1 Motor design .................................................................................................................... 50
5.2 Electrical installation with VFD ...................................................................................... 50
5.3 V-F diagram ...................................................................................................................... 50
5.4 Compressor protection devices ..................................................................................... 51
5.5 Grounding ........................................................................................................................ 51
6. Operation and maintenance .................................................................................................... 52
6.1 Compressor start-up ....................................................................................................... 52
6.2 Troubleshooting .............................................................................................................. 53
7. Applications .............................................................................................................................. 55
7.1 Additional cooling ........................................................................................................... 55
7.2 Economizer applications ................................................................................................ 58
7.3 Parallel system applications .......................................................................................... 60
7.4 Oil pump applications ..................................................................................................... 60
7.5 Important notes about applications of compressor ..................................................... 61

Hanbell RC2-AV Series Specifications

General

Brand	Hanbell
Model	RC2-AV Series
Category	Compressor
Language	English

Summary

General Information

Specifications and Design Description

Compressor Nomenclature

Explains the model designation system for RC2-AV series compressors.

Compressor Specifications

Provides detailed specifications for various RC2-AV compressor models.

RC2-AV Series Compressor Construction

Illustrates the construction of RC2-AV series compressors with component lists.

Design Features

Highlights the key design features and technical advantages of RC2-AV compressors.

Compression Process

Explains the step-by-step compression cycle within the screw compressor.

Guide to VFD Application

Details how to apply Variable Frequency Drives (VFDs) with the compressors.

Capacity Control System

Details how capacity is modulated using VFD and related system settings.

Compressor Volume Ratio (Vi)

Defines the volume ratio and its impact on compression efficiency.

Application Limits

Defines the operating limits for RC2-AV compressors based on refrigerant and conditions.

Lubricants

Lubricants Table

Lists specifications for various recommended lubricant oils for the compressors.

Pre-cautions of Oil Change

Provides essential precautions before performing an oil change.

Oil Change Procedures

Provides guidelines for periodic oil changes and related procedures.

Compressor Lifting and Installation

Compressor Lifting Procedures

Details safe procedures and equipment for lifting the compressor.

Compressor Mounting Guidelines

Explains proper mounting techniques and considerations for vibration reduction.

Piping Guidelines

Guidelines for proper piping to prevent vibration, noise, and damage.

Installing Compressor on Slope

Addresses the limits and requirements for installing the compressor on an incline.

RC2-AV Series Compressor Outline Drawings

Provides dimensional drawings and component identification for various models.

Compressor Accessories Overview

Lists standard and optional accessories for RC2-AV series compressors.

Electrical Data and Design

Motor Design

Describes the Y-A motor design for VFD applications.

Electrical Installation with VFD

Explains the general connection diagram for VFD installation.

V-F Diagram

Illustrates the voltage vs. frequency characteristic for motor operation.

Compressor Protection Devices

Lists protection devices and their set points for safe compressor operation.

Grounding Procedures

Provides guidelines and suggestions for proper compressor grounding.

Operation and Maintenance

Compressor Start-up Procedures

Details pre-start checks and procedures for compressor commissioning.

Troubleshooting Guide

Provides a table of common problems, causes, and corrective actions.

Applications

Additional Cooling Methods

Discusses the need for and methods of additional cooling for compressors.

Economizer Applications

Details how economizer operation improves refrigeration capacity and efficiency.

Parallel System Applications

Addresses oil distribution challenges in parallel compressor systems.

Oil Pump Applications

Recommends oil pumps for specific low-pressure differential conditions.

Important Application Notes

Provides crucial notes on pump down procedures and low pressure receiver use.