Gardner Denver AUTO SENTRY EAU99G - High Temperature Operation Considerations; Moisture in Oil System Issues

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13-10-614 Page 31

Figure 4-8 – CONTROL SCHEMATIC – COMPRESSOR FULLY UNLOADED – LOW DEMAND MODE SWITCH OFF

207EAU797-A

(Ref. Drawing)

Main Page

Instructions for Ordering Repair Parts2
Foreword3
Table of Contents4
Section 1, General Information8
Figure 1-1 - Compression Cycle8
Figure 1-2 - Starter Box10
Figure 1-3 - Package - Controller & Starters10
Figure 1-4 - Package - Drive Motor & Air Filter11
Figure 1-5 - Package - Oil Filter, Oil Level Gauge, Mixing Valve12
Figure 1-6 - Package - Air/Oil Flow Diagram12
Section 2, Installation16
Figure 2-1 - Typical Compressor Room17
Figure 2-2 - Air Flow Chart17
Figure 2-3 - Cold Weather Installation19
Figure 2-4 - Inlet Line Lengths20
Figure 2-5 - Heat Exchanger (Oil Cooler) Approximate Water Flow22
Figure 2-6 - Aftercooler Approximate Water Flow22
Figure 2-7 - Series Piping24
Figure 2-8 - Parallel Piping24
Section 3, Starting & Operating Procedures27
Section 4, Controls & Instrumentation30
Figure 4-1 - Schematic Tubing Diagram31
Figure 4-2 - Minimum Discharge Pressure/Check Valve32
Figure 4-3 - Inlet Valve33
Figure 4-4 - Shuttle Valve33
Figure 4-5 - Blowdown Valve34
Figure 4-6 - Turn Valve Actuator (Sectioned)35
Figure 4-7 - Control Schematic - Compressor at Full Load37
Figure 4-8 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch off38
Figure 4-9 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch on39
Figure 4-10 - Wiring Diagram - (Wye Delta, ES+ Controller, Air-Cooled)40
Figure 4-11 - Wiring Diagram - Wye Delta ES+ Controller - Water Cooled42
Section 5, Lubrication - Oil Cooler, Oil Filter & Separator44
Figure 5-1 - Dew Point Chart °F46
Figure 5-2 - Dew Point Chart °C46
Figure 5-3 - Flow Diagram47
Figure 5-4 - Oil Flow Diagram - Remote Overhead Mounted48
Figure 5-5 - Cooler Drain Detail49
Figure 5-6 - Oil Level Gauge53
Figure 5-7 - Oil Change Interval53
Figure 5-8 - Approximate Oil System Capacities55
Figure 5-9 - Thermostatic Mixing Valve Element57
Figure 5-10 - Water Control Valve59
Figure 5-11 - Oil Separator60
Section 6, Air Filter64
Figure 6-1 - Heavy Duty Air Filter (Standard)64
Section 7, Coupling66
Figure 7-1 - Installation of Coupling Cushions66
Section 8, Maintenance Schedule69
Section 9, Troubleshooting71

Gardner Denver AUTO SENTRY EAU99G - High Temperature Operation Considerations; Moisture in Oil System Issues

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