Gardner Denver LRS15-22C Original User Manual

Gardner Denver LRS15-22C Original User Manual

Electronics for speed-controlled stationary rotary screw compressor vs 7 - vs 22

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Original User Manual
GD Pilot
Electronics for speed-controlled
stationary rotary screw compressor
VS 7 - VS 22
GB
Id. no. ZS1090606 / 01 - June 2014
1

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Table of Contents
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Summarization of Contents

Operator Controls and Arrangement
1.1 Keys
Details the function of the control buttons on the GD Pilot.
1.2 Status Indicator (Display / Light Signals)
Explains the three-row display and the red/green light signals.
1.2.1 Speed Indicator in Display
Describes how engine speed is displayed in the second row of the display.
1.2.2 Status Messages in Display
Outlines the status messages shown in the third display row.
1.3 Menu Structure Overview
Illustrates the hierarchical structure of the GD Pilot menus with example values.
1.4.1 Selecting Values
Explains how to navigate through sub-menus and select specific menu items.
1.4.2 Changing Values
Details the process of modifying parameter values using the control keys.
Default Settings
2.1 Selecting Language
Instructions on how to change the display language of the GD Pilot.
2.2 Setting Line Pressure
How to set the maximum line pressure switching point and target pressure.
2.3 Setting Time and Date (Timer)
Guide to setting the internal clock and date for timer operations.
Operations
3.1 Starting the Unit
Step-by-step instructions for safely starting the compressor unit.
3.2 Emergency Off Button
Explains the purpose and usage of the emergency stop button for immediate shutdown.
3.3 Switching Off the Unit
Describes the procedure for normal shutdown, including the soft-stop function.
3.4 On-load/Off-load Operation
Details the conditions and behavior of the compressor during on-load and off-load modes.
3.5 Acknowledging Warning/Fault Messages
How to acknowledge and clear warning and fault messages displayed by the system.
Maintenance
4.1 Maintenance Overview
Discusses preset maintenance intervals and the need for potential adjustments.
4.2 Programming Maintenance Intervals
Instructions for setting or adjusting intervals for filter changes and other maintenance tasks.
4.3 Total and Load Hours Counter
Explains how to view the total operating hours and load hours of the unit.
Extended Functions
5.1 [CONTROL MENU] Sub-menu
Overview of advanced parameters and functions within the control menu.
5.1.1 Operating Modes
Details on selecting between Automatic and Continuous operation modes.
5.1.2 Second Pressure Range (F2)
How to set and utilize a secondary pressure range for the compressor.
5.1.3 Dryer Pre-run Configuration
Configuration for a pre-run time for an external dryer.
5.1.4 RS 485 Communication Settings
Settings for serial communication using the RS485 interface and Modbus protocol.
5.1.5 Automatic Re-start After Power Loss
Setting up the unit to automatically restart after a power interruption.
5.1.6 Unlimited Automatic Re-start
Configuration for unlimited automatic restarts after any power loss.
5.2 [FAULT MEMORY] Sub-menu
How to access and interpret stored warning and fault messages.
5.3 [TIMER CONTROL] Sub-menu
Configuration and management of programmed timer functions for unit operation.
5.3.1 Setting Timer Units
Detailed steps for programming specific timer units for start/stop times.
5.3.2 Pressure Changeover Timer
Setting up timer controls for the second pressure range.
5.4 [Limit Values] Sub-menu
Displays and explains factory-set and adjustable limit values for operation.
5.5 [OPTIONAL IN-/OUTPUTS] Sub-menu
Programming and configuration of programmable inputs and outputs.
5.5.1 Input Configuration
Explains the function and programming of the five available inputs.
5.5.2 Output Configuration
Details the programming of the four programmable outputs and their functions.
5.6 Security Code Management
Procedures for locking and unlocking settings using a security code.
5.7 GD Pilot Controller Replacement
Instructions for replacing the GD Pilot controller and entering setup codes.
5.8 Remote Operation Control
Information on how to control the compressor remotely.
5.8.1 Pressure Changeover Remote Control
Using a remote signal to activate the second pressure range.
5.8.2 On-Load Operation Enable
Enabling on-load operation via an external potential-free contact.
5.8.3 Remote Start and Stop Function
How to remotely start and stop the compressor using external contacts.
Error Rectification
6.1 Safety Regulations
Essential safety precautions to be observed during operation and maintenance.
6.2 Warnings
Explains warning messages and their implications for the unit's operation.
6.3 Faults
Describes fault messages, their causes, and the need for rectification before restart.
6.4 Checklist
A checklist of common issues and checks to perform for error prevention.
6.5 Table of Faults/Warnings
Comprehensive table detailing fault indications, possible causes, and suggested remedies.

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