Gardner Denver ELECTRA-SCREW EDEQHH Operating And Service Manual Download

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GARDNER DENVER

ELECTRA–SCREW

STATIONARY

BASE–MOUNTED

COMPRESSORS

DOMESTIC MODELS

EDEQHH – 40 HP

EDEQJH – 50 HP

INTERNATIONAL MODELS

EDEQHJ – 40 HP (30 KW)

EDEQJJ – 50 HP (37 KW)

OPERATING AND
SERVICE MANUAL

13–8–610

6th Edition

March, 1997

Summary of Contents for ELECTRA-SCREW EDEQHH

Page 1: ...R ELECTRA SCREW STATIONARY BASE MOUNTED COMPRESSORS DOMESTIC MODELS EDEQHH 40 HP EDEQJH 50 HP INTERNATIONAL MODELS EDEQHJ 40 HP 30 KW EDEQJJ 50 HP 37 KW OPERATING AND SERVICE MANUAL 13 8 610 6th Editi...

Page 2: ...nver Air Compressor distributor refer to the yellow pages of your phone directory or contact Distribution Center Factory Gardner Denver Machinery Inc Gardner Denver Machinery Inc Master Distribution C...

Page 3: ...ll cause severe personal injury death or substantial property damage if the warning is ignored Warning is used to indicate the presence of a hazard which can cause severe person al injury death or sub...

Page 4: ...ORDERING REPAIR PARTS When ordering parts specify Compressor MODEL Method of Cooling HORSEPOWER and SERIAL NUMBER see nameplate on unit The Serial Number is also stamped on top of the cylinder flange...

Page 5: ...Oil Separator 32 Compressor Oil System 27 Compressor Oil System Check 33 Compressor System Air Flow 1 CONSTANT RUN Button with LED 19 Control Piping 12 Control System Operation 18 AUTO LAG Button with...

Page 6: ...System 30 Moisture Separator Trap 11 Motor Grease Recommendations 13 Motor Lubrication 12 Motor Overload LED 19 Motor Protection Devices 16 Motor Regreasing Interval 13 Oil Change Interval 30 Oil Coo...

Page 7: ...CHECK LIST AIR FILTER 38 Service Check List 38 Every 1000 Hours Operation 38 Every 125 Hours Operation 38 Every 6000 Hours Operation 38 Every 8 Hours Operation 38 Every Year 38 Motor Lubrication 38 O...

Page 8: ...Definition of Error Messages 20 Figure 4 5 Pressure Chart 22 Figure 4 6 Subtractive Pilot Closed 23 Figure 4 7 Subtractive Pilot Opened 23 Figure 4 8 Maximum Setpoints for Auto Sentry S Controller PS...

Page 9: ...rs B As meshing continues more of the main rotor lobe enters the sec ondary rotor grove normal volume is reduced and pressure increases Oil is injected into the cylinder to remove the heat of compress...

Page 10: ...13 8 610 Page 2 200EDE797 Ref Drawing FIGURE 1 2 PACKAGE MINIMUM PRESSURE CHECK VALVE MIXING VALVE OIL FILTER...

Page 11: ...13 8 610 Page 3 200EDE797 Ref Drawing FIGURE 1 3 PACKAGE OIL LEVEL GAUGE SEPARATOR AIR FILTER...

Page 12: ...13 8 610 Page 4 202EDE797 Ref Drawing FIGURE 1 4 PACKAGE CONTROLLER STARTER BOX...

Page 13: ...g drain plugs covers the thermostat ic mixing valve or break any connections etc in the compressor air or oil sys tem until the unit is shut down and the air pressure has been relieved D Electrical sh...

Page 14: ...be fore working on the unit this machine is automatically controlled and may start at any time D An Excess Flow Valve should be on all compressed air supply hoses ex ceeding 1 2 inch inside diameter...

Page 15: ...13 8 610 Page 7 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...

Page 16: ...13 8 610 Page 8 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...

Page 17: ...tected from rain snow and freezing temperatures in a clean well lighted well ventilated area with ample space all around for mainte nance Select a location that provides a cool clean dry source of air...

Page 18: ...unit for the doors to open completely Any of the enclosure doors may be removed by opening the door and lifting it up slightly to disengage the hinges Do not operate the compressor with the fan and b...

Page 19: ...lation next to a heated building where enough heat can be used to keep the compressor room above freezing will save many complications in the operation and installation of the unit Refer to Engineerin...

Page 20: ...e injury or death Consult filtration specialists for addi tional filtration and treatment equip ment to meet health and safety stan dards BLOWDOWN VALVE PIPING The blowdown valve is fitted with a muff...

Page 21: ...MOTOR GREASE RECOMMENDATIONS Standard High Service Temperature Worked Penetration 265 296 220 240 Grease Viscosity SSU At 100_F 38_ C 400 550 475 525 Soap Type Lithium Lithium N H Bomb Minimum Hours...

Page 22: ...he unit and release air pressure tag and lockout the power supply to the starter Failure to re lease pressure or properly discon nect the power may result in personal injury or death During unloaded o...

Page 23: ...e air ser vice valve The unit is equipped with a minimum 65 psig 4 5 Bars pressure check valve no special procedure to main tain the unit reservoir pressure is required Unit Hot No warm up period is r...

Page 24: ...rnished for the starter in the voltage range specified There are three 3 overloads in the starter of proper size for the starter and its enclo sure Note that motor nameplate current must be multi plie...

Page 25: ...re Periodic checks should be made to insure that it is operating properly The relief valve should be tested for proper operation at least once every year To test the relief valve raise the system oper...

Page 26: ...positive pressure on the oil system even when the air service valve is fully open The valve senses upstream pres sure If demand for air exceeds the compressor capac ity the valve throttles the flow t...

Page 27: ...mpressor or oil separator discharge At the time of a high temperature shutdown the LED is illuminated and the temperature digital readout is locked on to the of fending temperature Illumination of the...

Page 28: ...by a flashing STOP RESET LED If all readouts and LED s are flashing a power interruption has occurred requiring the control panel to be reset Programming The Load Unload Pressure Set points Programmin...

Page 29: ...nt that rotation is reversed Press Stop Reset to exit jog mode Step 9 The displays will now read Pressure Temperature or If this compressor is equipped with the ex pansion board for the remote control...

Page 30: ...program ming the setpoints Operation at excessive discharge air pressure can cause personal injury or damage to equipment Do not set un load pressure above the maximum stamped on the unit nameplate St...

Page 31: ...phragm and ports cleaned when necessary Operating Air Pressure Adjustment The Auto Sentry S controller load and unload pressure setpoints should already be programmed See page 20 and FIGURE 4 8 page 2...

Page 32: ...SSURE FULL LOAD OPERATING PRESSURE LOAD UNLOAD 100 PSI 6 9 Bars 100 PSI 6 9 Bars 108 PSI 7 5 Bars 125 PSI 8 6 Bars 125 PSI 8 6 Bars 133 PSI 9 2 Bars 150 PSI 10 4 Bars 150 PSI 10 4 Bars 158 PSI 10 9 Ba...

Page 33: ...13 8 610 Page 25 FIGURE 4 10 WIRING DIAGRAM FULL VOLTAGE DUAL CONTROL 204EDE546 Ref Drawing...

Page 34: ...13 8 610 Page 26 FIGURE 4 11 WIRING DIAGRAM WYE DELTA 205EDE546 Ref Drawing...

Page 35: ...compressor and the air passes to the final discharge line RECOMMENDED LUBRICANT Gardner DenverR compressors are factory filled with AEONt lubricants These lubricants are formulated to the highest qual...

Page 36: ...ller plug run and check for leaks DO NOT OVERFILL The quantity required to raise the oil level from ADD to FULL is shown in FIGURE 5 2 Repeated addition of oil between oil changes may indicate excessi...

Page 37: ...See Maintenance Schedule page 38 Air oil under pressure will cause severe personal injury or death Shut down compressor relieve system of all pressure disconnect tag and lockout power supply to the s...

Page 38: ...e oil more frequently Operating conditions and the appear ance of the drained oil must be surveyed and the oil change intervals planned accordingly by the user Gardner DenverR offers a free oil analys...

Page 39: ...l be of little benefit if done in a care less manner Excessive oil carry over can damage equipment Never fill oil reservoir above the FULL marker COMPRESSOR OIL FILTER FIGURE 1 2 page 2 This replaceab...

Page 40: ...r separator com bines multiple functions into one vessel The lower half is the oil reservoir providing oil storage capacity for the system and the top portion a primary oil separation means The reserv...

Page 41: ...piping and tub ing may be at high temperature during and after operation 1 Be certain the unit is off and all system pressure is relieved 2 Disconnect tag and lockout the power supply to the starter...

Page 42: ...pressure as described above Oil Cooler Temperature Differential Air Cooled Radiator The oil temperature differential depends on the temperature of the air at the oil cooler fan and cleanliness of the...

Page 43: ...ment 2 Visually inspect the element If cleaning is not necessary reinstall the filter element If the ele ment requires cleaning go through steps 3 4 and 5 3 Wash the element by soaking about 15 minute...

Page 44: ...old detergent to allow the element to be fully submerged b Place the element into the cleaning solution and allow to soak for five minutes Agitate in solution for two more minutes Elements contaminate...

Page 45: ...e the belts and replace with new belts Check for correct belt tension and re attach the wire guard Interference between the fan and the orifice can damage equipment Be certain the orifice has even cle...

Page 46: ...for dirt accumulation on oil aftercooler core faces and the cooling fan If cleaning is required clean the exterior fin surfaces of the cores by blowing compressed air carrying a nonflammable safety so...

Page 47: ...rature switch malfunction 3 Blown fuse in starter 3 Replace fuse control box investigate if fuses continue to blow 4 Motor starter overload 4 Reset and investigate heaters trip cause of overload Compr...

Page 48: ...mpressor oil 5 Add oil to proper level Excessive Oil Consumption 1 Oil carryover through lines 1 See Oil Carryover in this section 2 Oil leaks at all fittings 2 Tighten or replace fittings and gaskets...

Page 49: ...65 psig 4 5 Bars 4 Sticky minimum pressure 4 Disassemble and clean valve 5 Defective minimum 5 Rebuild or replace pressure valve Won t set at 65 psig 4 5 Bars CHANGE SEPARATOR light 1 Separator differ...

Page 50: ...7 and wire number 6 at board If the reading is zero replace the vacuum switch 2 Control board fault 2 Measure the AC voltage between wire number 7 and wire number 6 at board If the reading is 24 volts...

Page 51: ...corresponding transducer at the control board with zero pressure on the transducer If 3 10 to 3 60 volts replace the transducer Oil leak at the bottom of 1 Gasket leaking 1 Replace the gasket the sea...

Page 52: ...gment is proved not to be as warranted Labor shall be limited to the amount specified in the Company s labor rate schedule Labor costs in excess of the Company rate schedule amounts or labor provided...

Page 53: ......

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