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Printed Matter N°
2954 0220 01
06/2005
Instruction Manual
for AC Generators
QAS 186 GdS USA
Instruction manual
............................................................................................ 3
Circuit diagrams
.............................................................................................. 27
ATLAS COPCO - PORTABLE AIR DIVISION
www.atlascopco.com
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Table of Contents
Troubleshooting
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Summary of Contents for Atlas Copco QAS 186 GdS USA
- Page 1 Instruction Manual for AC Generators QAS 186 GdS USA Instruction manual .................... 3 Circuit diagrams ....................27 Printed Matter N° 2954 0220 01 ATLAS COPCO - PORTABLE AIR DIVISION 06/2005 www.atlascopco.com...
- Page 2 The manufacturer does not accept any liability for any damage arising for modifications, additions or conversions made without the manufacturer's approval in writing. Copyright 2005, Atlas Copco Airpower n.v., Antwerp, Belgium. Any unauthorized use or copying of the contents or any part thereof is prohibited.
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Page 3: Table Of Contents
While every effort has been made to ensure that the information in this manual is correct, Atlas Copco does not assume respon- sibility for possible errors. Atlas Copco reserves the right to make changes without prior notice. -
Page 4: Safety Precautions For Portable Generators
The policy of Atlas Copco is to provide the users of their equipment with safe, reliable and efficient products. Factors taken into account are among others: the intended and predictable future use of the products, and the 1.2 General safety precautions... -
Page 5: Safety During Transport And Installation
Never refill fuel while the unit is running, unless otherwise stated in the raised position, Atlas Copco Instruction Book (AIB). Keep fuel away from hot parts such - ascertain that the towing eye can swivel freely on the hook, - check that the wheels are secure and that the tires are in good condition as air outlet pipes or the engine exhaust. -
Page 6: Safety During Maintenance And Repair
Parts shall only be replaced by genuine Atlas Copco replacement parts. a reliable indication that dangerous, invisible dust is not present in the air. -
Page 7: Tool Applications Safety
Instruction manual 22 Before clearing the generator for use after maintenance or overhaul, submit it to a testrun, check that the AC power performance is correct and that the control and shut down devices function correctly. 1.6 Tool applications safety Apply the proper tool for each job. -
Page 8: Leading Particulars
QAS 186 GdS USA Leading particulars 2.1 General description The QAS 186 is an AC generator, built for continuous running at sites The generator can run in 3 different modes: where no electricity is available. 1 phase 60 Hz 240 V 157.97 hp / 117.8 kW... -
Page 9: Bodywork
Instruction manual 2.2 Bodywork Indicates the 3-way valve. The alternator, the engine, the cooling system, etc. are enclosed in a sound-insulated bodywork that can be opened by means of side doors (and service plates). Indicates the battery switch. The generator’s lifting eye is located in the middle of the roof. The recesses in the roof have guiding rods at both sides. - Page 10 QAS 186 GdS USA S4..Voltmeter selector switch L6 ..Engine shutdown Allows to measure the voltage between each of the phases and Lights up when a major fault occurred which shuts down the between each phase and the neutral. It also allows to switch off engine.
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Page 11: Battery Switch
Instruction manual 2.7 Output connections DB ..Diagnostic request switch With the ignition switch on and the engine at idle or not The output connections are situated below the control and indicator running, push and hold the switch to have the active codes panel. -
Page 12: Dip-Switches
QAS 186 GdS USA 2.9 External fueltank connection X1..Main power supply - Terminal board Terminals L1, L2, L3, N (= neutral) and PE (= grounding), The "External fueltank connection" allows to bypass the internal hidden behind the control panel door and behind a small fueltank and to connect an external fueltank to the unit. -
Page 13: Triple Voltage With Switch (3V)
When using this selection, the generator provides a 480 V output sufficient ventilation so that the cooling air is not recirculated. If voltage. necessary, consult Atlas Copco. – Leave enough space for operation, inspection and maintenance (at 2.13 Engine coolant heater least 1 meter at each side). -
Page 14: Connecting The Generator
– Connect the wires to the proper terminals (L1, L2, L3, N and PE) of Consult Atlas Copco for measures against the adverse influence of X1 and tighten the bolts securely. non-linear loads. – Tighten the cable clamp. -
Page 15: Starting
Instruction manual 3.4 Starting 3.5 During operation Following points should be carried out regularly: To start up the unit locally, without using the remote start/stop switch, proceed as follows: – Check the engine gauges and the lamps for normal readings. –... -
Page 16: Maintenance
2912 4203 08 For the most important subassemblies, Atlas Copco has developed service kits that combine all wear parts. These service kits offer you the benefits of genuine parts, save on administration costs and are offered at reduced price, compared to the loose components. Refer to the parts list for more information on the contents of the service kits. -
Page 17: Engine Oil Specifications
55.2 7.35 1615 5955 00 PAROIL from Atlas Copco is the ONLY oil tested and approved for use in all engines built into Atlas Copco compressors and generators. 4.5 Engine oil level check Extensive laboratory and field endurance tests on Atlas Copco... -
Page 18: Engine Coolant Specifications
– Check the pH value of the coolant using a pH-measuring device. compressors and generators. – The pH-meter can be ordered from Atlas Copco with part number Atlas Copco's PARCOOL EG extended life coolant is the new range of 2913 0029 00. - Page 19 – Flush twice with clean water. Used coolant must be disposed or recycled in accordance with laws and local regulations. – From the Atlas Copco Instruction book, determine the amount of PARCOOL EG required and pour into the radiator top tank.
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Page 20: Storage Of The Generator
QAS 186 GdS USA Storage of the generator Checks and trouble shooting Never perform a test run with connected power 5.1 Storage cables. Never touch an electrical connector without – Store the generator in a dry, frost-free room which is well a voltage check. -
Page 21: Alternator Trouble Shooting
Instruction manual 6.4 Alternator trouble shooting Symptom Possible cause Corrective action Alternator does not excite Blown fuse. Replace fuse. Insufficient residual voltage. Increase the speed by 15 %. No residual voltage. For an instant apply on the + and – terminals of the electronic regulator a 12 V battery voltage with a 30 Ω... -
Page 22: Engine Trouble Shooting
QAS 186 GdS USA 6.5 Engine trouble shooting A first fault diagnose can be read on the check engine light (L7) and the engine stop light (L6). For more detailed information refer to the Engine operating manual. An extensive Engine troubleshooting manual is available at Detroit Diesel. For more information contact Detroit Diesel. -
Page 23: Technical Specifications
Instruction manual Technical specifications 7.1 Readings on gauges Gauge Reading Metric Ammeter L1 (P1) Below max. rating Ammeter L2 (P2) Below max. rating Ammeter L3 (P3) Below max. rating Voltmeter (P4) Depends upon selector switch Frequency meter (P5) Between 60 and 62.5 Hourmeter (P6) Adding up Fuel level (P7) - Page 24 QAS 186 GdS USA Application Mode of operation data Site land use land use Operation single single Start-up and control mode manual/remote manual/remote Start-up time unspecified unspecified Mobility/ Config. acc. to ISO 8528-1:1993 transportable/D transportable/D Mounting fully resilient fully resilient...
- Page 25 Instruction manual Derating table (in %, 100% is declarated power at “Performance data”) Height Temperature (°C) 1000 1500 2000 2500 3000 3660 Notes Reference conditions for engine performance to ISO 3046-1. See derating diagram or consult the factory for other conditions. At reference conditions unless otherwise stated.
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Page 26: Conversion List Of Si Units Into British Units
QAS 186 GdS USA 7.4 Conversion list of SI units into British units 1 bar 14.504 psi 3.281 ft 0.035 oz 1 mm 0.039 in 1 kg 2.205 lb 1 m³/min 35.315 cfm 1 km/h 0.621 mile/h 1 mbar 0.401 in wc 1 kW 1.341 hp (UK and US) -
Page 27: Circuit Diagrams
Circuit diagrams 2954 0220 01... - Page 28 CIRCUIT DIAGRAM 9822 0889 05/11 Applicable for QAS 186 GdS USA, Power Circuit Diagram see note from Remote Start module Engine Circuit Diagram Customer’s installation Sx : min. 12 Vdc 4A Kx : to be wired between Generator and Load coil : max.
- Page 29 CIRCUIT DIAGRAM NOTE 3ph higher voltage: connect 2-3; 6-7; 10-11; 4-8-12 (N) 3ph lower voltage: connect 1-3; 5-7; 9-11; 2-4-6-8-10-12 (N) 1ph lower voltage: connect 1-3; 5-7; 2-4-10-12 (N); 6-8-9-11 Q1.1 Q1.2 Wire size QAS 186 500A 215A 0-600A 2x lx QAS 246 630A 290A...
- Page 30 CIRCUIT DIAGRAM 9822 0889 08/11 Applicable for QAS 186 GdS USA – – Fuel level sensor Panel light Fuel level gauge Coolant temperature sensor Starter solenoid Coolant temperature gauge Oil pressure sensor Starter relay Oil pressure gauge Coolant level switch...
- Page 31 CIRCUIT DIAGRAM NOTE X25:1 to Power Circuit Diagram S15 and appurtenant wires are not used X25:2 when an integrated Parallel system is installed. See also Assembly Drawing. to S13/S2b 1 2 3 A4 A4 REMOTE START B4 B4 B5 B5 PN 19 C1 C1 PL 20...
- Page 34 www.atlascopco.com...
- Page 35 Instruction Manual for AC Generators QAS 186 GdS USA...
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