Gardner Denver AUTO SENTRY EAU99P - Figure 4-1

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13-10-615 Page 28

When the relief valve opens, a stream of high velocity air is released, resulting

in a high noise level and possible discharge of accumulated dirt or other debris.

Always wear eye and ear protection and stand clear of the discharge port when

testing the relief valve to prevent injury.

Never paint, lubricate or alter a relief valve. Do not plug vent or restrict

discharge.

Operation of the unit with improper relief valve setting can result in severe

personal injury or machine damage. Ensure properly set valves are installed

and maintained.

Figure 4-1 – SCHEMATIC TUBING DIAGRAM

205EAU797-

(Ref. Drawing)

Main Page

Maintain Compressor Reliability and Performance with2
Genuine Gardner Denver Compressor Parts and Support Services2
Instructions for Ordering Repair Parts2
Warning - Prohibition - Mandatory Label Information3
Safety Precautions5
Table of Contents6
Index7
List of Illustrations9
Section 1, General Information10
Figure 1-1 - Compression Cycle10
Figure 1-2 - Starter Box11
Figure 1-3 - Package - Controller & Starters11
Figure 1-4 - Package - Drive Motor & Air Filter12
Figure 1-5 - Package - Oil Filter, Oil Level Gauge, Mixing Valve12
Figure 1-6 - Package - Air/Oil Flow Diagram13
Section 2, Installation14
Figure 2-1 - Typical Compressor Room15
Figure 2-2 - Air Flow Chart15
Figure 2-3 - Cold Weather Installation17
Figure 2-4 - Inlet Line Lengths18
Figure 2-5 - Heat Exchanger Approximate Water Flow20
Figure 2-6 - Aftercooler Approximate Water Flow20
Figure 2-7 - Series Piping21
Figure 2-8 - Parallel Piping22
Section 3, Starting & Operating Procedures25
Section 4, Controls & Instrumentation28
Figure 4-1 - Schematic Tubing Diagram29
Figure 4-2 - Blowdown Valve30
Figure 4-3 - Minimum Discharge Pressure/Check Valve30
Figure 4-4 - Inlet Valve31
Figure 4-5 - Shuttle Valve32
Figure 4-6 - Turn Valve Actuator (Sectioned)32
Figure 4-7 - Control Schematic - Compressor at Full Load35
Figure 4-8 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch off36
Figure 4-9 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch on37
Figure 4-10 - Wiring Diagram - (Wye Delta, ES+ Controller, Air-Cooled)38
Figure 4-11 - Wiring Diagram - (Wye Delta, ES+ Controller - Water Cooled)39
Section 5, Lubrication - Oil Cooler, Oil Filter & Separator41
Figure 5-1 - Dew Point Chart °F43
Figure 5-2 - Dew Point Chart °C43
Figure 5-3 - Flow Diagram44
Figure 5-4 - Oil Flow Diagram - Remote Overhead Mounted45
Figure 5-5 - Cooler Drain Detail46
Figure 5-6 - Oil Level Gauge50
Figure 5-7 - Oil Change Interval50
Figure 5-8 - Approximate Oil System Capacities52
Figure 5-9 - Thermostatic Mixing Valve Element54
Figure 5-10 - Water Control Valve56
Figure 5-11 - Oil Separator57
Section 6, Air Filter61
Figure 6-1 - Heavy Duty Air Filter (Standard)61
Section 7, Coupling63
Figure 7-1 - Installation of Coupling Cushions63
Section 8, Maintenance Schedule66
Section 9, Troubleshooting68

Gardner Denver AUTO SENTRY EAU99P - Figure 4-1 - Schematic Tubing Diagram

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