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Quincy Compressor QOF 20 User Manual

Quincy Compressor QOF 20
114 pages
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OIL-FREESCROLL
COMPRESSORS
QOF20,QOF22,QOF30
InstructionManual
Thismanualcontainsimportantsafetyinformationandshouldbemadeavailableto
all personnel who operate and/or maintain this product. Carefully read this manual
before attempting to operate or perform maintenance on this equipment.
ManualNo.2930 7140 30
November2014Edition

Table of Contents

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Quincy Compressor QOF 20 Specifications

General IconGeneral
BrandQuincy Compressor
ModelQOF 20
CategoryAir Compressor
LanguageEnglish

Summary

Section I - General Information

Safety Alert Symbols

Defines symbols indicating hazard levels for safety.

Section II - Description

General description

Overview of QOF series compressors, their modules, and dryer integration.

Flow diagram

Diagram illustrating air and cooling circuits, including components and flow paths.

Temperature protection

Explains how ambient and element temperature sensors protect the compressor.

Section III - Controller

Control panel

Overview of the controller's physical interface, buttons, and display functions.

Icons used

Catalog of status, active protection, general, input, system, and menu icons with their meanings.

Shutdown warning

Details conditions triggering warnings for high temperatures, dew point, and overloads.

Service menu

Guides for resetting, checking, and modifying service plans and intervals.

Week timer menu

Guide for programming timed start/stop commands and week schemes for the compressor.

Section IV - Installation guidelines

Installation proposal

Details requirements for compressor placement, ventilation, and piping connections.

Electrical connections

Provides guidance and warnings for connecting the compressor's electrical supply.

Section V - Operating instructions

Initial start-up

Step-by-step procedure for the first-time setup and startup of the compressor.

Starting

Procedure for normal startup of the compressor, including voltage and valve checks.

Section VI - Maintenance

Preventive maintenance schedule

Outlines daily, monthly, yearly, and multi-year maintenance tasks and intervals.

Section VII - Adjustments and servicing procedures

Safety valve

Details on operating, testing, and replacing the safety valve.

Cleaning the compressor element

Guidance on cleaning cooling channels to prevent silt buildup and maintain efficiency.

Section VIII - Problem solving

Compressor

Table listing common compressor faults like non-starting, low capacity, and overheating with remedies.

Section IX - Technical data

Electric cable size and fuses

Tables and guidelines for selecting appropriate cable sizes and fuses based on current and voltage.

Compressor data

Provides detailed specifications for QOF 20, 22, and 30 models, including pressures and temperatures.

Standard Terms and Conditions

Quincy Compressor and Ortman Fluid Power Divisions

Outlines the legal terms, warranty, liability limitations, and payment conditions.

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