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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 .......................................................... 19
Figure 2-6 - Aftercooler Approximate Water Flow ..................................................................................... 19
Figure 2-7 - Series Piping........................................................................................................................... 21
Figure 2-8 - Parallel Piping ......................................................................................................................... 21
Figure 4-1 - Key Pad .................................................................................................................................. 30
Figure 4-2 - Schematic Tubing Diagram .................................................................................................... 31
Figure 4-3 - Blowdown Valve ..................................................................................................................... 32
Figure 4-4 - Minmum Discharge Pressure/Check Valve ............................................................................ 32
Figure 4-5 - Inlet Valve ............................................................................................................................... 33
Figure 4-6 - Shuttle Valve........................................................................................................................... 34
Figure 4-7 - Turn Valve - Electra-Saver Only ............................................................................................ 35
Figure 4-8 - Control Schematic - Compressor Unloaded - Constant Speed Mode .................................. 38
Figure 4-9 - Control Schematic - Compressor At Full Load - Constant Speed Mode .............................. 39
Figure 4-10 - Control Schematic - Compressor Unloaded - Low Demand Mode Or Auto Mode ............. 40
Figure 4-11 - Control Schematic - Compressor At Full Load .................................................................... 41
Figure 4-12 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch Off .......... 42
Figure 4-13- Control Schematic - Compressor Fully Loaded - Low Demand Mode Switch On ............... 43
Figure 4-14 - Wiring Diagram - Wye Delta ................................................................................................ 44
Figure 4-15 - Wiring Diagram - Less Starter ............................................................................................. 46
Figure 5-1 - Dew Point Chart °F ................................................................................................................. 50
Figure 5-2 - Dew Point Chart °C ................................................................................................................ 50
Figure 5-3 - Flow Diagram - Air/Oil System ............................................................................................... 51
Figure 5-4 - Oil Flow Diagram - Remote Overhead Mounted Cooler ........................................................ 52
Figure 5-5 - Cooler Drain Detail ................................................................................................................. 53
Figure 5-6 - Oil Level Gauge ...................................................................................................................... 56
Figure 5-7 - Oil Change Interval ................................................................................................................. 57
Figure 5-8 - Approximate Oil System Capacities ....................................................................................... 58
Figure 5-9 - Thermostatic Mixing Valve Element ....................................................................................... 60
Figure 5-10 - Water Control Valve ............................................................................................................. 61
Figure 5-11 - Oil Separator......................................................................................................................... 63
Figure 6-1 - Heavy Duty Air Filter ............................................................................................................... 66
Figure 7-1 - Installation Of Coupling Cushions .......................................................................................... 68
LIST OF ILLUSTRATIONS
13-21-602
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