Gardner Denver EAH99C - General Information; Compressor Principle

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LIST OF ILLUSTRATIONS
Figure 1-1 – Compression Cycle ..................................................................................................................9
Figure 1-2 – Starter Box..............................................................................................................................10
Figure 1-3 – Control Box.............................................................................................................................10
Figure 1-4 – Compressor / Motor Side........................................................................................................11
Figure 1-5 – Cooler / Reservoir Side ..........................................................................................................11
Figure 1-6 – Air/Oil Flow Diagram...............................................................................................................12
Figure 2-1 – Typical Compressor Room.....................................................................................................14
Figure 2-2 – Air Flow Chart.........................................................................................................................14
Figure 2-3 – Cold Weather Installation .......................................................................................................16
Figure 2-4 – Inlet Line Lengths ...................................................................................................................17
Figure 2-5 – Heat Exchanger (Oil Cooler) Approximate Water Flow..........................................................18
Figure 2-6 – Aftercooler Approximate Water Flow.....................................................................................19
Figure 2-7 – Series Piping...........................................................................................................................20
Figure 2-8 – Parallel Piping.........................................................................................................................20
Figure 4-1 – Schematic Tubing Diagram ....................................................................................................27
Figure 4-2 – Blowdown Valve .....................................................................................................................28
Figure 4-3 – Minimum Discharge Pressure/Check Valve...........................................................................28
Figure 4-4 – Inlet Valve...............................................................................................................................29
Figure 4-5 – Shuttle Valve...........................................................................................................................30
Figure 4-6 – Turn Valve – Electra-Saver Only............................................................................................31
Figure 4-7 – Control Schematic – Compressor Unloaded – Constant Speed Mode..................................34
Figure 4-8 – Control Schematic – Compressor At Full Load – Constant Speed Mode..............................35
Figure 4-9 – Control Schematic – Compressor Unloaded – Low Demand Mode Or Auto Mode...............36
Figure 4-10 – Control Schematic – Compressor At Full Load ....................................................................37
Figure 4-11 – Control Schematic – Compressor Fully Unloaded – Low Demand Mode Switch Off ..........38
Figure 4-12 – Control Schematic – Compressor Fully Loaded – Low Demand Mode Switch On..............39
Figure 4-13 – Wiring Diagram – Wye Delta ................................................................................................40
Figure 4-14 – Wiring Diagram – Full Voltage..............................................................................................41
Figure 4-15 – Wiring Diagram – Wye Delta ................................................................................................42
Figure 4-16 – Wiring Diagram – Full Voltage..............................................................................................43
Figure 5-1 – Dew Point Chart °F.................................................................................................................46
Figure 5-2 – Dew Point Chart °C ................................................................................................................46
Figure 5-3 – Flow Diagram – Air/Oil System...............................................................................................47
Figure 5-4 – Oil Flow Diagram – Remote Overhead Mounted Cooler........................................................48
Figure 5-5 – Cooler Drain Detail .................................................................................................................49
Figure 5-6 – Oil Level Gauge......................................................................................................................52
Figure 5-7 – Oil Change Interval.................................................................................................................53
Figure 5-8 – Approximate Oil System Capacities.......................................................................................54
Figure 5-9 – Thermostatic Mixing Valve Element.......................................................................................56
Figure 5-10 – Water Control Valve .............................................................................................................57
Figure 5-11 – Dew Point Temperature Vs. Ambient Temperature .............................................................58
Figure 5-12 – Oil Separator.........................................................................................................................59
Figure 6-1 – Heavy Duty Air Filter...............................................................................................................63
Figure 7-1 – Installation Of Coupling Cushions ..........................................................................................65