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Frick RWF 134 User Manual

Frick RWF 134
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Installation - Operation - Maintenance
ROTARY SCREW COMPRESSOR UNITS
ALL REFRIGERANTS
MODELS
100 through 480
THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP, AND
MAINTENANCE INSTRUCTIONS. READ THOROUGHLY BEFORE
BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE IN-
STRUCTIONS COULD RESULT IN DAMAGE OR IMPROPER OPERA-
TION OF THE UNIT.
S70-600 IOM/MAY 2001
File: SERVICE MANUAL - Section 70
Replaces: S70-600 IOM/MAR 2000
Dist: 3, 3a, 3b, 3c
RWF

Table of Contents

Questions and Answers:

Frick RWF 134 Specifications

General IconGeneral
ModelRWF 134
CategoryAir Compressor
TypeRotary Screw
RefrigerantR134a
Capacity134 cfm
Power SourceElectric
Motor Power30 hp
Voltage460V
Phase3
Frequency60 Hz
Maximum Pressure150 psi
Cooling MethodAir Cooled
LubricationOil Flooded

Summary

Motor and Coupling Installation

Compressor Unit Oil Requirements

Warning against mixing oils and guidance on using approved lubricants.

Oil System Components

Oil Charge Specification

Specifies the normal oil charging levels and quantities for different models.

Thermosyphon Oil Cooling System

Liquid Injection Oil Cooling System

Economizer System Operation

Economizer Load Balancing and Electrical Setup

Operation and Start-Up Instructions

SGC Compressor Features

Features and design aspects of the SGC rotary screw compressor.

Compressor Lubrication System Functions

Functions of the compressor lubrication system and its components.

Compressor Systems Overview

Cold-Start System Functionality

How the cold-start valve ensures rapid oil pressure on initial start.

Compressor Oil Separation System

Explanation of the oil separation system and coalescer filter function.

Compressor Hydraulic System

Compressor Oil Cooling Systems

Liquid Injection Adjustment Procedure

Step-by-step guide to adjust the liquid injection system for proper oil cooling.

Initial Start-Up Procedures

Initial Start-Up Procedure Details

Detailed steps for safely starting the compressor unit for the first time.

Normal Start-Up Procedure

Steps for starting the compressor under normal operating conditions.

Restarting After Power Interruption

Procedure for restarting the unit after a power loss event.

General Maintenance Information

Normal Maintenance Operations Safety

Safety precautions to be taken during maintenance activities.

General Maintenance Guidelines

Key areas for maintaining compressor operation and longevity.

Compressor Shutdown and Start-Up Procedures

Steps for safely shutting down and starting up the compressor for seasonal use.

Component Replacement Instructions

Strainer and Oil Change Procedures

Changing Oil Procedure

Comprehensive procedure for changing the compressor oil and filters.

Oil Change and Pump Disassembly

Changing Oil Procedure (Continued)

Continuation of the procedure for changing the compressor oil.

Demand Pump Assembly

Demand Pump Maintenance and Troubleshooting

Troubleshooting the Demand Pump

Guide to diagnosing and correcting demand pump operational problems.

Demand Pump Preventative Maintenance

Demand Pump Preventative Maintenance

Procedures for preventative maintenance to extend pump life.

Recommended Maintenance Program

Vibration Analysis Guidelines

Guidelines for performing and interpreting vibration analysis.

Oil Quality and Analysis Importance

Importance of oil quality and analysis for compressor reliability.

Lubrication Schedule and Instructions

Schedule and instructions for lubricating motor bearings.

Operating Log and Maintenance Schedule

Maintenance Schedule Overview

Schedule for routine maintenance tasks based on operating hours.

Troubleshooting Guides

Abnormal Operation Analysis and Correction

Four logical steps for analyzing and correcting abnormal operation.

SV Position Potentiometer Replacement and Adjustment

Transmitter Replacements

Troubleshooting the RWF Compressor

Troubleshooting the Oil Separation System

Common problems and corrections for the oil separation system.

System Troubleshooting Guides

Troubleshooting the Hydraulic System

Common problems and corrections for the hydraulic system.

Troubleshooting the Liquid Injection Oil Cooling System

Common problems and corrections for the liquid injection oil cooling system.

Troubleshooting the Demand Pump System

Thermal Expansion Valves Information

Jordan Temperature Regulator Valve

Motor and Compressor Replacement

Wiring Harness - External Transducers

Wiring Harness - External AC to Heaters and Valves

Wiring Harness for Internal Boards and Panels

Proper Installation of Electronic Equipment

Grounding and Wiring Practices

Grounding Importance for Electronics

Critical importance of proper grounding for electronic control operation.

Electronic Equipment Installation Best Practices

Screw Compressor Operating Log Sheet

RWF Compressor Pre-Start Checklist

Mechanical Checks for Pre-Start

List of mechanical checks to perform before start-up.

Electrical Checks for Pre-Start

List of electrical checks to perform before start-up.

Start-Up Report Form

Adjustable Safety Setpoints and Alignment

Adjustable Safety Setpoints

Configuration of safety setpoints for compressor operation.

Vibration Data Sheet

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