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Frick RWF II 100 User Manual

Frick RWF II 100
78 pages
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This manual contains installation, operation, and maintenance
instructions. Read thoroughly before beginning installation. Failure
to follow these instructions may result in personal injury or death,
damage to the unit, or incorrect operation.
RWF II
Rotary Screw Compressor
All Refrigerants
Models 100 to 1080
Form 070.610-IOM (JUL 2021)
Installation–Operation–Maintenance
File: Service Manual – Section 070
Replaces: 070.610-IOM (MAR 2020)
Distribution: 3, 3a, 3b, 3c
Check www.FrickCold.com for the latest version of this publication.

Table of Contents

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Frick RWF II 100 Specifications

General IconGeneral
BrandFrick
ModelRWF II 100
CategoryCompressor
LanguageEnglish

Summary

General Information

Preface

Describes the installation, operation, and maintenance procedures for the Frick RWF II Rotary Screw Compressor Units.

Job Inspection

Instructions for examining all crates, boxes, and compressor surfaces upon delivery for damage.

Transit Damage Claims

Procedure for making claims for transit damage, including immediate inspection by the carrier agent.

Unit Identification

Explains the location of compressor and unit data plates for identification.

Safety Precaution Definitions

Defines DANGER, WARNING, CAUTION, and NOTICE terms used in the manual.

Compressor Identification

Rotary Screw Compressor Serial Numbers

Defines the format and meaning of Frick rotary screw compressor serial numbers.

Installation

Foundation

Details requirements for compressor package foundations, including anchoring and grouting.

Rigging and Handling

Safety precautions and guidelines for rigging and handling the compressor package.

Compressor/Motor Coupling Installation

BP Coupling Installation Procedure

Step-by-step instructions for installing a BP coupling.

Skid Removal

Instructions for safely removing the skid from the unit.

Compressor Rotation

Instructions on how to check compressor rotation and avoid damage.

CH Series Coupling

CH Coupling Installation Procedure

Procedure for installing the CH coupling, including safety notices.

Holding Charge and Storage

Precautions for handling units during shipping and storage.

Piping Connections and Compressor Unit Oil

Compressor Unit Oil Warning

Warning against mixing oils of different brands or types.

Oil Charge

Information on oil charge quantities and checking oil level.

Oil Heaters, Filters, and Suction Valve Mounting

Oil Filters

Information regarding the use of appropriate oil filter elements.

Suction Valve Mounting

Instructions for correct mounting of the suction isolation valve.

Thermosyphon Oil Cooling

Overview of thermosyphon oil cooling and its basic equipment.

Thermosyphon Oil Cooling System Operation

System Operation

Explains the operational principles of thermosyphon oil cooling.

Oil Temperature Control

Discusses oil temperature control requirements and typical ranges.

Liquid Injection Oil Cooling - Optional

Introduces the optional liquid injection oil cooling system.

Water or Glycol Oil Cooling and High-Stage Economizer

Water or Glycol Oil Cooling – Optional

Details on water/glycol oil cooler installation and water treatment.

High-Stage Economizer – Optional

Explains the function of the economizer option for capacity and efficiency.

Economizer Load Balancing and Control

Economizer Load Balancing

Methods for operating economizer systems efficiently.

Economizer Vi Control

How economizer gas affects Vi calculation and control.

Economizing with VSDs

Challenges and solutions for economizing with Variable Speed Drives.

Electrical Installation

Voltage Protection

Guidance on voltage protection systems and potential issues.

Motor Starter Package

Information and precautions regarding the motor starter package.

Electrical Wiring and Grounding

Current Transformer (CT) Ratios

Table detailing CT ratios for various motor sizes.

Wire Sizing

Guidelines for sizing control power supply wires to minimize voltage dips.

Voltage Source

Importance of selecting the correct voltage source to prevent EMI interference.

Grounding

Critical factors for proper grounding to ensure operational success.

Installation of Electronic Equipment and Wiring Practices

Installation of Electronic Equipment in an Industrial Environment

Precautions for installing electronic controls in industrial environments.

Conduit

National and local codes for conduit materials, spacing, and grounding.

Wiring Practices

Guidelines for mixing wires of different voltages in conduits and wire separation.

Grounding for VFD Applications and Communications

VFD Applications Grounding

Grounding requirements for VFD applications to mitigate EMI/RFI.

Communications

Proper installation practices for serial and ethernet communication networks.

UPS Power and Quantum HD Panels

UPS Power and Quantum HD Panels

Advises against using UPS systems with Quantum HD panels.

Operation

Operation and Startup Instructions

Step-by-step instructions for starting up and operating the RWF II unit.

SGC Compressor Features

Describes the features and design of the SGC compressor.

Compressor Lubrication System

Explains the functions of the compressor lubrication system.

No Pump Oil System

Details the self-lubricating design of the RWF II screw compressor.

Compressor Hydraulic System and Oil Cooling

Compressor Oil Separation System

Explains the oil separation process and components.

Compressor Hydraulic System

Explains how the hydraulic system moves the slide valve and slide stop.

Compressor Oil Cooling Systems

Overview of oil cooling systems available for the RWF II unit.

Quantum HD EZ-COOL Liquid Injection Adjustment

Liquid Injection Oil Cooling Setup

Configuration options for liquid injection oil cooling valve types.

EZ-Cool Status and PI Control

Displays discharge temperature and control output status with PI control parameters.

Operation of Danfoss Liquid Injection Valve

ICAD MMI Overview

Introduction to the ICAD MMI for monitoring and setting parameters.

Suction Check Valve Bypass and Low Ambient Operation

Suction Check Valve Bypass

Details on the suction check valve bypass and its function.

Low Ambient Operation

Recommendations for low ambient temperatures and freeze-up protection.

Parameter List and Initial Start-up

Table 10: Parameter List

List and description of ICM parameters for valve control.

Suction Check Valve Power Assist Kit

Information on the power assist kit for low temperature booster applications.

Initial Start-up Procedure

Step-by-step guide for the initial start-up of the compressor unit.

VFD Skip Frequencies and Normal Start-up

VFD Skip Frequencies

Criteria for identifying elevated energy on VFD packages and establishing skip frequencies.

Normal Start-up Procedure

Procedure for starting the compressor unit after confirming system conditions.

Maintenance Overview

General Information and Safety

Overview of the maintenance section, including safety warnings.

Normal Maintenance Operations

Safety precautions to be taken during maintenance.

General Maintenance

Key areas for maintaining compressor unit operation and longevity.

Filter and Strainer Maintenance

Oil Filter (OF-1) Cartridge Style

Procedure for changing the oil filter cartridge.

Strainer - Demand Oil Pump

Procedure for cleaning the demand oil pump strainer.

Strainer - Liquid Injection

Procedure for cleaning the liquid injection strainer.

Coalescer Filter Element

Instructions for changing the coalescer filter element.

Oil Change and Pump Disassembly

Changing Oil

Procedure for changing the compressor oil.

Demand Pump Disassembly

Safety precautions and steps for disassembling the demand pump.

Bushings, Assembly, and Thrust Bearing Adjustment

Installing Carbon Graphite Bushings

Instructions for installing carbon graphite bushings.

Demand Pump Assembly

Assembly notes for mechanical seals and bellows-type pumps.

Thrust Bearing Adjustment

Procedure for adjusting the thrust bearing.

Troubleshooting the Demand Pump

Vacuum Gauge - Suction Port

Interpreting vacuum gauge readings for suction port issues.

Pressure Gauge - Discharge Port

Interpreting pressure gauge readings for discharge port issues.

Demand Pump Troubleshooting and Maintenance Schedule

Troubleshooting the Demand Pump

Common problems and corrections for the demand pump system.

Maintenance Schedule

Schedule for regular maintenance tasks based on operating hours.

Vibration Analysis and Motor Lubrication

Vibration Analysis

Guidelines for performing periodic vibration analysis.

Relubrication Interval and Instructions – WEG Electric Motor

Lubrication schedule and instructions for WEG electric motors.

Relubrication Interval and Instructions – Marathon

Lubrication schedule and instructions for Marathon motors.

Abnormal Operation Analysis and Correction

Abnormal Operation Analysis and Correction

Four logical steps to analyze and correct operational problems.

Servicing the Cold-Start Valve

Servicing the Cold-Start Valve

Procedure for safely dismantling and servicing the cold-start valve.

EZ-CAL High Pressure Cut-Out Check Valve Test Block

Pressure Transducers – Testing

Procedure for testing pressure transducers.

Pressure Transducer Replacement and Transmitter Information

Pressure Transducers – Replacement

Procedure for replacing discharge and other pressure transducers.

Capacity Linear Transmitter – Slide Valve

Replacement procedure for the capacity linear transmitter.

Temperature Sensor Troubleshooting

Troubleshooting and replacement of the temperature sensor.

Oil Level Transmitter

Troubleshooting and replacement of the oil level transmitter.

Troubleshooting Compressor and Pump Systems

Troubleshooting the RWF II Compressor

Common symptoms and probable causes for RWF II compressor issues.

Troubleshooting the Demand Pump System

Common problems and corrections for the demand pump system.

Troubleshooting Oil Separation and Hydraulic Systems

Troubleshooting the Oil Separation System

Symptoms and probable causes for oil separation system issues.

Troubleshooting the Hydraulic System

Troubleshooting common issues with the hydraulic system.

Component Replacement and Assembly

Motor and Bare Compressor Replacement

Reference to procedure for motor and bare compressor replacement.

SAE Straight Thread O-Ring Fittings Assembly Procedure

Procedure for assembling SAE straight thread O-ring fittings.

Compressor Port Locations

Compressor Port Locations - RWF II 100, 119 SS, 134, 159 SS

Table listing compressor ports and their thread sizes and O-rings.

Compressor Port Locations - RWF II 177, 209 SS, 222, 264 SS, 270

Table listing compressor ports and their thread sizes and O-rings.

Compressor Port Locations - RWF II 316, 375 SS, 399, 472 SS

Table listing compressor ports and their thread sizes and O-rings.

Compressor Port Locations - RWF II 480/546

Table listing compressor ports and their thread sizes and O-rings.

Compressor Port Locations - RWF II 496

Table listing compressor ports and their thread sizes.

Compressor Port Locations - RWF II 676

Table listing compressor ports and their thread sizes.

Compressor Port Locations - RWF II 856

Table listing compressor ports and their thread sizes.

Compressor Port Locations - RWF II 1080

Table listing compressor ports and their thread sizes.

Piping and Instrumentation Diagrams

Piping and Instrumentation Diagram

Main P&I diagram showing system components and connections.

Liquid Injection Diagrams

Diagrams illustrating single and dual port liquid injection systems.

Start-up Procedures and Logs

Operating Log Sheet

Log sheet for recording compressor operating parameters and observations.

RWF II Compressor Prestart Checklist

Checklist for mechanical and electrical aspects before unit start-up.

Start-up Report

Form for recording unit general information and motor starter details.

Control Setpoints and Safety

Capacity Control Setpoints

Parameters for controlling compressor capacity.

Compressor Safeties

Safety setpoints and parameters for compressor operation.

Motor Setpoints, PHD Monitoring, and P&ID

Compressor Motor Setpoints and Information

Detailed setpoints and information for the compressor motor.

PHD Monitoring Setpoints

Setpoints for the PHD (Protective Head Device) monitoring system.

P&ID Setpoints

Setpoint values for the Piping and Instrumentation Diagram.

Vibration Data Sheet

Vibration Data Sheet

Sheet for recording vibration measurements at various points.

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