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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

  • K
    keith88Aug 15, 2025
    What to do if my Frick RWF 134 pump does not pump?
    • T
      Tasha WatersAug 16, 2025
      If your Frick Air Compressor pump isn't pumping, several factors could be at play. First, check for air leaks and ensure the liquid level in the tank is sufficient, as loss of prime is a common cause. Verify that the pump is rotating in the correct direction and that the motor reaches full speed. Make sure both suction and discharge valves are open, and the strainer isn't clogged. Also, the relief valve might be set too low or stuck open. In addition, worn-out pump components could be the reason, so consider replacing the pump. Finally, review any recent changes to the liquid system or operational procedures that might explain the issue, and adjust the end clearance and head position if necessary.
  • R
    rose09Aug 18, 2025
    Why is my Frick RWF 134 pump not up to capacity?
    • B
      Bailey FloresAug 18, 2025
      If your Frick Air Compressor pump isn't reaching its full capacity, it could be due to several reasons. The pump might be starving or cavitating, so increase the suction pipe size or reduce its length. A partially clogged strainer can also restrict flow, so clean it thoroughly. Check for any air leaks in the suction piping or along the pump shaft and repair them. Ensure the motor is running at the correct speed and is wired properly. The relief valve might be set too low or stuck open, requiring adjustment or repair. If the pump is worn out, replacing worn parts is necessary. Finally, adjust the end clearance and head position.
  • F
    fergusonmarissaAug 22, 2025
    How to fix a noisy Frick Air Compressor pump?
    • J
      James SinghAug 22, 2025
      If your Frick Air Compressor pump is excessively noisy, several factors could be contributing. The pump might be starved, meaning heavy liquid isn't reaching it quickly enough, so increase the suction pipe size or reduce its length. Cavitation, where liquid vaporizes in the suction line, can also cause noise; address this by increasing the suction pipe size or raising the liquid level closer to the pump. Ensure proper alignment of the pump. A bent shaft or rotor tooth could be the culprit, requiring straightening or replacement. Lastly, foreign objects entering the pump through the suction port can create noise, so remove any obstructions.
  • P
    powellamberAug 25, 2025
    Why does my Frick RWF 134 pump take too much power?
    • S
      Sarah BurkeAug 25, 2025
      If your Frick Air Compressor pump is consuming excessive power, several factors could be responsible. Ensure the motor specifications are correct. If the liquid is more viscous than the unit is designed to handle, consider heating the liquid, increasing the pipe size, slowing down the pump, or using a larger motor. Verify the discharge pressure and adjust it accordingly if it's higher than calculated. Realign the pump if it's misaligned. Also, check and adjust the clearance on pumping elements to ensure it is sufficient for operating conditions.
  • M
    Maria LeonAug 28, 2025
    What to do if Frick Air Compressor pump starts, then loses its prime?
    • R
      reedrachaelAug 28, 2025
      If your Frick Air Compressor pump starts but then loses its prime, several issues could be the cause. Ensure the tank has an adequate liquid level by refilling it. Liquid vaporizing in the suction line can also lead to prime loss, so reduce the temperature or pressure to prevent vaporization. Inspect the suction line and seals for air leaks or air pockets. Finally, worn parts can contribute to this problem, so consider replacing them.
  • P
    patrick06Aug 30, 2025
    Why is there a high reading on pressure gauge in discharge port of my Frick Air Compressor?
    • D
      Deborah MartinezAug 30, 2025
      A high-pressure reading on the discharge port of your Frick Air Compressor could stem from several causes. High viscosity combined with a small or long discharge line can increase pressure; reduce viscosity or enlarge/shorten the line. Make sure the gate valve is fully open. A plugged filter will restrict flow, so clean or replace it. Adjust for high specific gravity if the vertical head wasn't considered. Clean the inside of the discharge pipe if buildup is present. Ensure the liquid is at the correct temperature, and address any chemical reactions causing solidification. Finally, adjust the relief valve setting if it's too high.
  • J
    Jon WallaceSep 3, 2025
    What causes a low reading on pressure gauge in discharge port of Frick RWF 134?
    • C
      Christy WeaverSep 3, 2025
      A low-pressure reading on the discharge port of your Frick Air Compressor could be due to several factors. The relief valve might be set too low, so adjust the relief valve setting. Inspect and fix the relief valve poppet if it's not seating properly. Reduce extra clearance if there is too much. If the pump is worn, replace worn parts.
  • M
    michaelburnsSep 5, 2025
    How to troubleshoot a high vacuum gauge reading in the suction port of a Frick RWF 134?
    • L
      Lori GibsonSep 6, 2025
      A high reading on the vacuum gauge in the suction port of your Frick Air Compressor can be caused by several issues. Check for blockages in the suction line, such as a stuck foot valve, closed gate valve, or plugged strainer. If the liquid is too viscous, reduce its viscosity. Adjust the lift if it's too high. If the line is too small, increase the size of the suction line.
  • T
    Tracy DavisSep 8, 2025
    What to do if vacuum gauge reading is erratic on Frick RWF 134?
    • J
      Joe HobbsSep 8, 2025
      An erratic reading on the vacuum gauge in the suction port of your Frick Air Compressor can arise from a few issues. If the liquid is vaporizing, reduce the temperature or pressure to prevent it. Ensure a continuous liquid supply to the pump, as inconsistent supply can cause erratic readings. Check for cavitation, misalignment, or damaged parts, as vibrations can affect the gauge.
  • T
    thomas19Sep 12, 2025
    Why is the vacuum gauge reading low on my Frick RWF 134?
    • S
      shawn29Sep 12, 2025
      A low vacuum gauge reading in the suction port of your Frick Air Compressor may indicate a few potential problems. Inspect and repair any air leaks in the suction line. Ensure the end of the pipe is submerged in liquid. If the pump is worn, replace worn pump parts. Prime the pump if it is dry.

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

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

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