Atlas Copco QAS38 Instruction Manual
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Atlas Copco QAS38 Instruction Manual

Atlas Copco QAS38 Instruction Manual

Ac generators yds tnv
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Printed Matter N°
2954 9020 00
11/2004
Instruction Manual
for AC Generators
QAS38 YdS TNV
Instruction manual .................................................................................. 3
Circuit diagrams ...........................................................................................................23
ATLAS COPCO - PORTABLE AIR DIVISION
www.atlascopco.com

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Summary of Contents for Atlas Copco QAS38

  • Page 1 Instruction Manual for AC Generators QAS38 YdS TNV Instruction manual .................. 3 Circuit diagrams ......................23 Printed Matter N° 2954 9020 00 ATLAS COPCO - PORTABLE AIR DIVISION 11/2004 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 2004, Atlas Copco Airpower n.v., Antwerp, Belgium. Any unauthorized use or copying of the contents or any part thereof is prohibited.

  • 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

    To be read attentively and acted accordingly before towing, lifting, operating, performing maintenance or repairing the generator. 1.1 Introduction The policy of Atlas Copco is to provide the users of their equipment with safe, If any statement in this manual does not comply with local legislation, the reliable and efficient products.
  • Page 5 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, as air outlet pipes or the engine exhaust. Do not smoke when fuelling.
  • Page 6 Parts shall only be replaced by genuine Atlas Copco replacement parts. glasses, rubber apron and gloves, etc. All maintenance work, other than routine attention, shall only be 15 Safety shoes should be compulsory in any workshop and if there is a risk, undertaken when the unit is stopped.
  • Page 7 Instruction Manual 16 Never use a light source with open flame for inspecting the interior of a machine. 17 When repair has been completed, the machine shall be barred over at least one revolution for reciprocating machines, several revolutions for rotary ones to ensure that there is no mechanical interference within the machine or driver.

  • Page 8: Leading Particulars

    QAS38 YdS TNV Leading particulars 2.1 General description The QAS38 is an AC generator, built for continuous running at The generator can run in 3 different modes: sites where no electricity is available or as stand-by in cases of in-...

  • Page 9: Bodywork

    1615 5954 00 1604 6059 00 (5 US gal) 210 l 1615 5955 00 (55 US gal) To be able to lift the QAS38 by means of a forklift, rectangular Engine coolant Engine coolant Engine coolant Engine coolant Engine coolant...
  • Page 10 QAS38 YdS TNV 2.5.2 Generator gauges F4 ..Fuse The fuse activates when the current from the battery to the en- P1 ..Ammeter line L1 gine control circuit exceeds its setting. The fuse can be Indicates the outgoing current in the first line (L1).

  • Page 11: Remote Start (Rs)

    Instruction Manual 2.6 Remote start (RS) S2 ..Emergency stop button Push the button to stop the generator in case of an emergency. "Remote start" allows to switch the unit on or off without using the When the button is pressed, it must be unlocked, by turning it control panel located on the unit.

  • Page 12: Spillage Free

    QAS38 YdS TNV 2.9 Spillage free Operating instructions A Spillage free skid with forklift slots allows the customer to trans- In your own interest, always strictly observe all rele- port the generator easily with a forklift. vant safety instructions. It avoids accidential spilling of engine fluids.

  • Page 13: 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.

  • Page 14: Starting

    QAS38 YdS TNV 3.4 Starting 3.5 During operation Following points should be carried out regularly: To start up the unit locally, without using the re- mote start/stop switch, proceed as follows: – Check the engine gauges and the lamps for normal readings.

  • Page 15: Maintenance

    2912 6040 00 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 16: Storage Of The Generator

    QAS38 YdS TNV Storage of the generator Checks and trouble shooting 5.1 Storage Never perform a test run with connected power cables. Never touch an electrical connector without – Store the generator in a dry, frost-free room which is well ventilat- a voltage check.

  • Page 17: 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 18 QAS38 YdS TNV 6.5.4 Misfire 6.5.10 The engine runs erratically – Restriction in a fuel pipe. – Fault in fuel control. – Fault in fuel lift pump. – Restriction in a fuel pipe. – Dirty fuel filter element. – Fault in fuel lift pump.

  • Page 19: 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 20 QAS38 YdS TNV Application Mode of operation data Site land use land use Operation single single Start-up and control mode (optional) manual/auto. manual/auto. Start-up time unspecified unspecified Mobility/ Config. acc. to ISO 8528-1:1993 transportable/D transportable/D (optional) mobile/E mobile/E Mounting fully resilient...
  • Page 21 Instruction Manual 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. Rating Definition (ISO 8528-1): • LTP: Limited Time Power is the maximum electrical power which a generating set is capable of delivering (at variable load), in the event of a utility power failure (for up to 500 hours per year of which a maximum of 300 hours is continuous running).

  • Page 22: Conversion List Of Si Units Into British Units

    QAS38 YdS TNV 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 23 Circuit diagrams 2954 9020 00...
  • Page 24 CIRCUIT DIAGRAM 9822 0888 25/07 Applicable for QAS38 YdS TNV SINGLE FREQUENCY see note 2 to Engine Wire harness from Remote Start module Engine Circuit Diagram Q1.1 Q1.2 Wire size QAS 28 0-100A QAS 38 125A 0-100A (0) : OPTIONAL EQUIPMENT Note 1: 3ph higher voltage : connect 2-3 ;...
  • Page 25 CIRCUIT DIAGRAM LEGEND : Wire size: Colour code: 0 = black aa = 0.5 mm 1 = brown See note 1 2 = red 1.5 mm 3 = orange 2.5 mm 4 = yellow 5 = green 6 = blue f = 10 7 = purple g = 16...
  • Page 26 CIRCUIT DIAGRAM 9822 0888 28/05 Applicable for QAS38 YdS TNV 2954 9020 00...
  • Page 27 CIRCUIT DIAGRAM Fuel level sensor Preheat relay Emergency stop button (S2b, Power Circ.) Coolant temperature sensor Starter relay Low fuel level switch Oil pressure sensor Starter motor S7’ Low fuel level switch, warning Preheat resistor Control module Coolant high temperature switch Fuse Speed controller (only used when an over- Engine oil low pressure switch...
  • Page 28 CIRCUIT DIAGRAM 9822 0888 38/02 Applicable for QAS38 YdS TNV a0 a6 Emerg. FUEL REMOTE Stop START REMOTE START SPARE TEMP 2954 9020 00...
  • Page 29 CIRCUIT DIAGRAM 230VAC 115VAC 5 9 3 5 9 3 Legend Wire size : Colour code : aa = 0.5mm 0 = black a = 1 mm 1 = brown b = 1.5mm 2 = red c = 2.5mm 3 = orange d = 4 mm 4 = yellow e = 6 mm...

  • Page 30: Automatic Voltage Regulator

    CIRCUIT DIAGRAM Automatic voltage regulator EXCITER ROTATING PART STATOR – SLOW FUSE 6,3A 60Hz 100 K BLUE YELLOW 2954 9020 00...
  • Page 32 www.atlascopco.com...
  • Page 33 Instruction Manual for AC Generators QAS38 YdS TNV...

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