Gardner Denver ELECTRA-SAVER EAU PD - 200 HP - User Manual

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GARDNER DENVER



ELECTRA–SAVER



STATIONARY SCREW

COMPRESSOR

With AUTO SENTRY



–ES CONTROLLER

MODELS

EAU_PD – 200 HP

EAU_QD – 250 HP

EAU_RD – 300 HP

OPERATING AND

SERVICE MANUAL

13–10–612

1st Edition

August, 1994

Main Page

Table of Contents5
Air Flow11
Compression Principle11
Compressor11
Figure 1-1 Compression Cycle11
Figure 1-2 Package - Unit with Water Cooled Aftercooler12
Figure 1-3 Package - Unit with Water Cooled Aftercooler12
Figure 1-4 Starter Box13
Figure 1-5 Package - Controller and Starters13
Figure 2-1 Typical Compressor Room18
Figure 2-2 Minimum Air Flow for Compression and Cooling, (Cubic Feet/Minute)18
Acoustic Enclosure19
Air-Cooled Oil Cooler Module19
Aftercooler20
Air-Cooled Machine20
Air Receiver, Auxiliary20
Air-Cooled Machine, Aftercooler20
Auxiliary Air Receiver20
Figure 2-3 Piping Schematic20
Water-Cooled Machine21
Cold Weather Operation, Installation21
Figure 2-4 Piping Diagram for Aftercooler and Heat Exchanger21
Control Piping22
Figure 2-5 Installation for Cold Weather Operation22
Figure 2-6 Inlet Line Lengths22
Figure 2-7 Heat Exchanger (Oil Cooler) Approximate Water Flow23
Figure 2-8 Aftercooler Approximate Water Flow23
Aftercooler - Heat Exchanger Water Piping24
Figure 4-1 Schematic Tubing Diagram30
Figure 4-2 Inlet Valve31
Blowdown Valve32
Check CN7 (8, 9)32
Compressor Capacity Control32
Figure 4-3 Blowdown Valve32
Actuator, Turn Valve33
Air Control Components33
Blowdown Valve33
Inlet Valve33
Purge Air Valve33
Shuttle Valve33
Solenoid Valves IVC and IVO33
Solenoid Valves TVC and TVO33
Turn Valve33
Turn Valve Actuator33
Minimum Discharge Pressure/Check Valve34
Figure 4-5 Turn Valve34
Figure 4-6 Minimum Discharge Pressure Valve (Older Models)34
Figure 4-7 Minimum Discharge Pressure Valve (Current Models)34
Air Filter Vacuum35
Reservoir Pressure Transducer35
System Pressure Transducer35
Vibration Switch35
Air Filter Vacuum Switch35
Auto Sentry-ES35
Control Transformer35
Emergency Stop35
Fan Starter35
Operation35
Automatic Mode Operation36
Constant Run Mode Operation36
Low Demand Mode Operation36
Clearing Advisories36
Controller Display36
Programming and Setup Instructions37
Figure 4-8 Control Schematic - Compressor at Full Load40
Figure 4-9 Control Schematic - Compressor Fully Loaded - Low Demand Mode41
Figure 4-10 Wiring Diagram42
Figure 4-11 Auto Sentry-ES Controller Display43
Change Procedure, Lubricant44
Compressor Oil System44
Figure 5-1 Flow Diagram - Air/Oil System45
Addition of Oil between Changes46
Cold Ambient Operation46
Cleaning and Draining Oil System47
Figure 5-2 Oil System Capacities47
Figure 5-3 Oil Change Interval47
Compressor Oil Filter48
Figure 5-4 Compressor Oil Filter48
Compressor Oil Cooler (Radiator Type)49
Figure 5-5 Oil Flow Diagram - Remote Overhead Mounted Oil Cooler49
Compressor Oil Cooler - Water Cooled Heat Exchanger50
Figure 5-6 Thermal Control (Thermostatic Mixing) Valve50
Figure 5-7 Water Control Valve51
Figure 5-8 Dew Point Temperature Vs. Ambient Temperature51
Compressor Oil Separator52
Inspection52
Separator Differential Gauging52
Removal for Inspection53
Figure 5-9 Single-Element Oil Separator53
Figure 5-10 Discharge Temperature Chart54
Air Filter55
Air Filter, Heavy Duty 200 HP Units56
Air Filter, Heavy Duty - 200 HP Dust Cup56
Filter Element56
Filter Element Life56
Figure 6-1 Heavy-Duty Air Filter, 200 HP56
And 300 HP Units57
Inlet Screen and Tube57
Air Filter, Heavy Duty - 250 and 300 HP Dust Cup57
Filter Element57
Figure 6-2 Heavy-Duty Air Filter, 250 & 300 HP57
Filter Element Life58
Inlet Screen and Tube58
Air Filters, Section 658
Figure 7-1 Installation of Coupling Cushions59

Gardner Denver ELECTRA-SAVER EAU PD - 200 HP - User Manual

Table of Contents

Gardner Denver ELECTRA-SAVER EAU PD - 200 HP Specifications

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Brand	Gardner Denver
Model	ELECTRA-SAVER EAU PD - 200 HP
Category	Compressor
Language	English