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Gardner Denver VS-11 User Manual

Gardner Denver VS-11
68 pages
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13-18-606
Version: 09
March 1, 2011
VARIABLE SPEED
SINGLE STAGE
STATIONARY BASE-MOUNTED
COMPRESSOR
AirSmart CONTROLLER
VS11A
11kW
60HZ
OPERATING AND
SERVICE MANUAL

Table of Contents

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Gardner Denver VS-11 Specifications

General IconGeneral
BrandGardner Denver
ModelVS-11
CategoryAir Compressor
LanguageEnglish

Summary

General Information

Compressor Overview

Provides a description of the Gardner Denver rotary screw compressor package.

Compression Principle

Explains the meshing helical rotors and the compression cycle.

Air Flow in the Compressor System

Details the path of air through the compressor system from inlet to distribution.

Installation

Lifting Unit

Details the proper methods for lifting and transporting the compressor package.

Location Requirements

Specifies the ideal conditions and space needed for compressor installation.

Electrical Wiring

Provides guidelines and recommendations for connecting the compressor's electrical supply.

Grounding

Outlines the requirements for proper grounding of the compressor package.

Starting & Operating Procedures

Prestart-Up Instructions

Lists essential checks and procedures before the initial start-up of the unit.

Setting Target Pressure

Guides on how to adjust the compressor's target operating pressure via the controller.

Setting Unload and Load Pressure

Explains how to configure the unload and load pressure settings on the controller.

Controls & Instrumentation

AirSmart Controller

Describes the function and operation of the AirSmart controller for system management.

Main VFD and Motor

Explains the variable frequency drive and motor for precise air supply control.

Compressor Lubrication – Separation, Filtration and Controls

Compressor Oil System

Details how lubricating oil functions for heat absorption, lubrication, and sealing.

Recommended Lubricant

Specifies the approved lubricant (AEON 9000SP) and its properties.

Oil Change Interval

States the recommended schedule for changing the compressor lubricant.

Compressor Oil Filter

Explains the importance and replacement schedule for the oil filter.

Heat Exchangers (Oil, Air)

Air-Cooled Heat Exchangers

Describes the air-cooled cores and their role in cooling the compressor package.

Water Separator and Drain

Explains the function of devices that separate and drain condensed water.

Air Filter

Air Filter Function

Details the role of the air filter in cleaning the intake air for the compressor.

Filter Element Inspection and Replacement

Provides instructions for inspecting and replacing the air filter element.

Drive V-Belts

Servicing the V-Belts

Outlines the procedure for inspecting and servicing the V-belt drive system.

Servicing the Motor Sheave Assembly

Details the steps for servicing the motor sheave and bushing components.

Servicing the Compressor Sheave Assembly

Provides instructions for servicing the compressor sheave and sleeve.

Minimum Pressure/Check Valve

Minimum Pressure/Check Valve (MPV) Inspection

Explains how to inspect the minimum pressure/check valve for proper function.

Inlet Control Valve

Inlet Control Valve (Body) Inspection

Details the inspection process for the inlet control valve body and seals.

Pressure Relief Valve

Pressure Relief Valve Check During Operation

Describes how to test the pressure relief valve's operation annually.

Ventilation Filters (Electrical Enclosure)

Filter Inspection

Provides instructions for inspecting and cleaning ventilation filter elements.

Motor Lubrication

Motor Lubrication

Explains the sealed bearing lubrication for the motor, no field re-greasing needed.

Maintenance Schedule

Daily Checks

Lists routine checks to be performed daily for compressor operation.

Weekly Checks

Lists routine checks to be performed weekly for compressor maintenance.

1000 Hour Maintenance

Specifies maintenance tasks required every 1000 operating hours.

8000 Hour Maintenance

Specifies maintenance tasks required every 8000 operating hours.

Yearly Checks

Lists maintenance tasks to be performed annually for the compressor.

Troubleshooting

Compressor Fails to Start

Lists possible causes and remedies when the compressor does not start.

Compressor Starts but Stops After a Short Time

Addresses common issues causing the compressor to stop prematurely.

Compressor Cycles from Load to Unload Excessively

Helps diagnose and resolve issues with excessive compressor cycling.

Excessive Oil at Intake Filter Area

Troubleshoots issues related to oil accumulation at the intake filter.

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