MULTIQUIP SUPERSILENT Series Operation Manual
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MULTIQUIP SUPERSILENT Series Operation Manual

MULTIQUIP SUPERSILENT Series Operation Manual

60hz generator
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OPERATION MANUAL
SUPERSILENT™ SERIES
MODEL DCA45SSIU3
60Hz GENERATOR
(PARTS LIST NO. M1870300904)
Revision #2 (03/19/24)
To find the latest revision of this publication
or associated parts manual, visit our website
at:
www.mqpower.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

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  • Page 1 OPERATION MANUAL SUPERSILENT™ SERIES MODEL DCA45SSIU3 60Hz GENERATOR (PARTS LIST NO. M1870300904) Revision #2 (03/19/24) To find the latest revision of this publication or associated parts manual, visit our website www.mqpower.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
  • Page 2 PAGE 2 — DCA-45SSIU3 (60 HZ) — OPERATION MANUAL — REV. #2 (03/19/24)
  • Page 3 © COPYRIGHT 2005, MULTIQUIP INC. MQ Power Inc, Ultra-Silent series, and the MQ Power logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.

  • Page 4: Table Of Contents

    — DCA-45SSIU3 (60 Hz) TABLE OF CONTENTS MQ POWER DCA-45SSIU3 (60 HZ) MQ POWER DCA-45SSIU3 (60 HZ) MQ POWER DCA-45SSIU3 (60 HZ) MQ POWER DCA-45SSIU3 (60 HZ) MQ POWER DCA-45SSIU3 (60 HZ) WHISPER WHISPER WHISPERW W W W W A A A A A TT™ GENERA TT™...
  • Page 5 NOTE PAGE DCA45SSIU3 (60 Hz) — OPERATION MANUAL — REV. #2 (03/19/24) — PAGE 5...
  • Page 6 DCA-45SSIU3 (60 Hz) — SPECIFICATIONS t a r i f i o i t i v l e i f , d l l e s a l i t r o t i t c r a t h t i l a r a t l a t l...
  • Page 7 DCA-45SSIU3 (60 Hz) — DIMENSIONS (TOP, SIDE AND FRONT) r e f . t f r e f r e t . t f r e t . n i . n i . n i . n i . n i .

  • Page 8: Safety Message Alert Symbols

    DCA-45SSIU3 (60 Hz) — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Potential hazards associated with the operation of this Safety precautions should be followed at all times when equipment will be referenced with " Hazard Symbols " which operating this equipment.
  • Page 9 DCA-45SSIU3 (60 Hz) — SAFETY MESSAGE ALERT SYMBOLS WARNING - ROTATING PARTS CAUTION - RESPIRATORY HAZARDS NEVER operate equipment with covers, ALWAYS wear approved respiratory or guards removed. Keep fingers , hands , protection. hair and clothing away from all moving parts to prevent injury.

  • Page 10: Rules For Safe Operation

    DCA-45SSIU3 (60 Hz) — RULES FOR SAFE OPERATION ■ ALWAYS check the machine for loosened threads or bolts DANGER - READ THIS MANUAL! before starting. Failure to follow instructions in this manual may lead to ■ NEVER operate the generator in an explosive atmosphere serious injury or even DEATH ! This equipment is to be or near combustible materials.
  • Page 11 DCA-45SSIU3 (60 Hz) — RULES FOR SAFE OPERATION Generator Grounding DANGER - ELECTROCUTION HAZARDS To guard against electrical shock and possible damage to During operation of this generator, there the equipment, it is important to provide a good EARTH exists the possibility of electrocution, ground.
  • Page 12 DCA-45SSIU3 (60 Hz) — RULES FOR SAFE OPERATION Maintenance Safety Battery Safety ■ The electrical voltage required to operate the generator Use the following guidelines when handling the battery: can cause severe injury or even death through physical ■ The battery contains acids that can contact with live circuits.
  • Page 13 DCA-45SSIU3 (60 Hz) — RULES FOR SAFE OPERATION ■ The maximum speed for highway towing is 55 MPH Towing & Transporting Safety unless posted otherwise. Recommended off-road towing To reduce the possibility of an accident while transporting is not to exceed 15 MPH or less depending on type of the generator on public roads, always make sure the trailer terrain.

  • Page 14: Generator Decals

    DCA-45SSIU3 (60 Hz) — GENERATOR DECALS The DCA-45SSIU3 (60 Hz) Whisperwatt ™ Generator is equipped with a number of safety decals (Figures 2 and 3). These decals are provided for operator safety and maintenance information. The illustration below and on the preceding page show the decals as they appear on the machine.
  • Page 15 DCA-45SSIU3 (60 Hz) — GENERATOR DECALS Figure 3. Generator Decals (Continued) DCA45SSIU3 (60 Hz) — OPERATION MANUAL — REV. #2 (03/19/24) — PAGE 15...

  • Page 16: Installation

    DCA-45SSIU3 (60 Hz) — INSTALLATION Figure 4. Typical Generator Grounding Application PAGE 16 — DCA-45SSIU3 (60 HZ) — OPERATION MANUAL — REV. #2 (03/19/24)
  • Page 17 DCA-45SSIU3 (60 Hz) — INSTALLATION Outdoor Installation Generator Grounding Install the generator in a area that is free of debris, To guard against electrical shock and possible damage to bystanders, and overhead obstructions. Make sure the the equipment, it is important to provide a good EARTH generator is on secure level ground so that it cannot slide or ground.

  • Page 18: General Information

    DCA-45SSIU3 (60 Hz) — GENERAL INFORMATION DCA-45SSIU3 Whisperwatt™ Generator Familiarization Open Delta Excitation System The MQ Power Model DCA-45SSIU3 is a 36 kW, 60 Hz The DCA-45SSIU3 (60 Hz)generator is equipped with the state of the art " Open-Delta " excitation system. The open generator (Figure 5) that is designed as a high quality portable delta system consist of an electrically independent winding (requires a trailer for transport) power source for telecom...
  • Page 19 DCA-45SSIU3 (60 Hz) — MAJOR COMPONENTS t a r r o j y l b s e l y l b r i A l i F r e t y l b f f u r e l y l b y l b y l b e t t...
  • Page 20 DCA-45SSIU3 (60 Hz) — GENERATOR CONTROL PANEL Figure 6. Generator Control Panel Located behind the generator control panel is the Generator The definitions below describe the controls and functions of Control Box . This box contains some of the necessary the DCA-45SSIU3 (60 Hz) Whisperwatt™...
  • Page 21 DCA-45SSIU3 (60 Hz) — ENGINE OPERATING PANEL Figure 7. Engine Operating Panel Pre-heat Lamp - This indicates when the engine is The definitions below describe the controls and functions of the ready for starting during cold weather operating DCA-45SSIU3 (60 Hz) " Engine Operating Panel " (Figure 7). conditions.
  • Page 22 DCA-45SSIU3 (60 Hz) — OUTPUT TERMINAL PANEL FAMILIARIZATION Output Terminal Panel Output Terminal Familiarization The Output Terminal Panel (Figure 8) shown below is located The “ Output Terminal Panel ” (Figure 9) is provided with the on the right-hand side (left from control panel) of the generator. following: Lift up on the cover to gain access to receptacles and terminal ■...
  • Page 23 DCA-45SSIU3 (60 Hz) — OUTPUT TERMINAL PANEL FAMILIARIZATION Figure 11. Voltage Regulator Control Knob Each auxiliary receptacle is protected by a 50 amp circuit breaker. These breakers are located directly above the GFCI receptacles. Remember the load output (current) on all three Figure 9.
  • Page 24 DCA-45SSIU3 (60 Hz) — OUTPUT TERMINAL PANEL FAMILIARIZATION Connecting Loads Blower Fan Loads can be connected to the generator by the Output This unit has an intake fan located at the rear of the machine Terminal Lugs or the convenience receptacles (Figure 13). to draw outside air into the cabinet to cool the engine.
  • Page 25 DCA-45SSIU3 (60 Hz) — LOAD APPLICATION Single Phase Load Three Phase Load Always be sure to check the nameplate on the generator When calculating the power requirements for 3-phase power and equipment to insure the wattage, amperage, frequency, use the following equation: and voltage requirements are satisfactorily supplied by the generator for operating the equipment.
  • Page 26 DCA-45SSIU3 (60 Hz) — GENERATOR OUTPUTS Voltage Selector Switch Generator Amperage The voltage selector switch (Figure 16) is located above Table 8 describes the generator’s current output capability the output terminal panel’s Hard Wire Hook-up Panel . It for both 1Ø-phase and 3Ø phase applications. has been provided for ease of voltage selection.
  • Page 27 DCA-45SSIU3 (60 Hz) — GAUGE READING How to Read the Output Terminal Gauges. Reading Amperage The gauges and selector switches on the control panel To determine the amperage at a terminal lug, set the DO NOT effect the generator output. They are provided to AC Ammeter Change-Over Switch to the appropriate setting (Figure 20) to activate the AC Ammeter Gauge help observe how much power is being supplied at the...
  • Page 28 DCA-45SSIU3 (60 Hz) — OUTPUT TERMINAL PANEL CONNECTIONS UVWO Terminal Output Voltages 3Ø 208V/1Ø120V Output Terminal Lug Voltages Various output voltages can be obtained using the Output 1. Place the voltage selector switch in the 3Ø 240/139 Terminal Lugs .. The voltages at the terminals are depen- position as shown in Figure 25.
  • Page 29 DCA-45SSIU3 (60 Hz) — OUTPUT TERMINAL PANEL CONNECTIONS 3Ø 480/277 Output Terminal Lug Voltages 1Ø 240V/120V Output Terminal Lug Voltages 1. Place the voltage selector switch in the 3Ø 480/277 1. Place the voltage selector switch in the 1Ø 240/120 position as shown in Figure 27.

  • Page 30: Pre Setup

    DCA-45SSIU3 (60 Hz) — PRE-SETUP Circuit Breakers Fuel Check To protect the generator from an overload, a 3-pole, 110 amp, DANGER - EXPLOSION/FIRE HAZARDS main circuit breaker is provided to protect the U,V, and W Output Terminals from overload. In addition two single-pole, Fuel spillage on a hot engine can cause a fire or explosion .
  • Page 31 DCA-45SSIU3 (60 Hz) — PRE-SETUP Refueling Procedure: Remove fuel cap and fill fuel tank as shown in Figure 34. WARNING - RESPIRATORY HAZARDS Diesel fuel and its vapors are dangerous to your health and the surrounding environment. Avoid skin contact and/or inhaling fumes.
  • Page 32 DCA-45SSIU3 (60 Hz) — PRE-SETUP Coolant (Isuzu Antifreeze/Summer Coolant/Water) Cleaning the Radiator Isuzu recommends Isuzu Antifreeze/Summer Coolant for The engine may overheat if the radiator fins become use in their engines, which can be purchased in concentrate overloaded with dust or debris. Periodically clean the radiator (and mixed with 50% demineralized water) or pre-diluted.
  • Page 33 DCA-45SSIU3 (60 Hz) — PRE-SETUP Battery When connecting battery do the following: This unit is of negative ground DO NOT connect in reverse. 1. NEVER connect the battery cables to the battery terminals when the ignition is in the operate or start Always maintain battery fluid level between the specified marks.

  • Page 34: Generator Start-Up Procedure

    DCA-45SSIU3 (60 Hz) — GENERATOR START-UP PROCEDURE 5. Place the voltage selector switch in the desired voltage Before Starting position (Figure 41). CAUTION - LETHAL EXHAUST HAZARD The engine's exhaust contains harmful emissions. ALWAYS have adequate ventilation when operating . Direct exhaust away from nearby personnel.
  • Page 35 DCA-45SSIU3 (60 Hz) — GENERATOR START-UP PROCEDURE 9. The generator's frequency meter (Figure 44) displays 13. The engine oil pressure gauge (Figure 48) will indicate the 50 cycle output frequency in HERTZ. the oil pressure (kg/cm ) of the engine. Under normal operating conditions the oil pressure is between 28 ~71 psi (193 ~490 kPa).
  • Page 36 DCA-45SSIU3 (60 Hz) — GEN. START-UP PROCEDURE/SHUTDOWN 16. Turn the main , GFCI , and aux . circuit breakers to the “ON” position (Figure 51). Figure 53. Main, AUX. and GFCI Circuit Breakers (OFF) 2. Let the engine cool by running it for 3-5 minutes with no Figure 51.
  • Page 37 DCA-45SSIU3 (60 Hz) — MAINTENANCE s l e r i A e t t d i c l e v t l e i t i d s t r e t l i r i A l i F r e t I , t i s n...
  • Page 38 DCA-45SSIU3 (60 Hz) — MAINTENANCE Air Removal Flushing Out Radiator and Replacing Coolant  Open both cocks located at the crankcase side and at If air enters the fuel injection system of a diesel engine, starting becomes impossible. After running out of fuel, or the lower part of the radiator and drain coolant.
  • Page 39 DCA-45SSIU3 (60 Hz) — MAINTENANCE If the generator will be used daily, the battery should normally Jacket Water Heater and Internal Battery Charger not require charging. If the generator will be idle (not used) 120 VAC Input Receptacles (OPTIONAL) for long periods of time, apply power to the battery charger This generator can be optionally equipped with two 120 VAC, receptacle via commercial power using an power cord of 20 amp input receptacles located on the output terminal...

  • Page 40: Trailer Maintenance

    DCA-45SSIU3 (60 Hz) — TRAILER MAINTENANCE Trailer Maintenance 8. Tire Size - Indicates the diameter of the tire in inches (10,12,14, etc.), and the width in millimeters This section is intended to provide the user with generic (175,185,205, etc.). The tire diameter must match the trailer service and maintenance information.
  • Page 41 DCA-45SSIU3 (60 Hz) — TRAILER MAINTENANCE Brakes Hydraulic Surge Brakes Trailer brakes should be inspected the first 200 miles of Hydraulic surge brakes (Figure 56) should not require any operation. This will allow the brake shoes and drums to seat special attention with the exception of routine maintenance properly.
  • Page 42 DCA-45SSIU3 (60 Hz) — TRAILER MAINTENANCE Tires/Wheels/Lug Nuts Suspension Tires and wheels are a very important and critical The leaf suspension springs and associated components components of the trailer. When specifying or replacing the (Figure 58) should be visually inspected every 6,000 miles trailer wheels it is important the wheels, tires, and axle are for signs of excessive wear, elongation of bolt holes, and properly matched.
  • Page 43 DCA-45SSIU3 (60 Hz) — TRAILER MAINTENANCE Lug Nut Torque Requirements It is extremely important to apply and maintain proper wheel mounting torque on the trailer. Be sure to use only the fasteners matched to the cone angle of the wheel. Proper procedure for attachment of the wheels is as follows: 1.

  • Page 44: Trailer Wiring Diagram

    DCA-45SSIU3 (60 Hz) — TRAILER WIRING DIAGRAM Figure 60. Trailer/Towing Vehicle Wiring Diagram PAGE 44 — DCA-45SSIU3 (60 HZ) — OPERATION MANUAL — REV. #2 (03/19/24)

  • Page 45: Generator Wiring Diagram

    DCA-45SSIU3 (60 Hz) — GENERATOR WIRING DIAGRAM Figure 61. Generator Wiring Diagram DCA45SSIU3 (60 Hz) — OPERATION MANUAL — REV. #2 (03/19/24) — PAGE 45...

  • Page 46: Engine Wiring Diagram

    DCA-45SSIU3 (60 Hz) — ENGINE WIRING DIAGRAM Figure 62. Engine Wiring Diagram PAGE 46 — DCA-45SSIU3 (60 HZ) — OPERATION MANUAL — REV. #2 (03/19/24)
  • Page 47 DCA-45SSIU3 (60 Hz) — TROUBLESHOOTING (GENERATOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 19 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company's business office or service plant.
  • Page 48 DCA-45SSIU3 (60 Hz) — TROUBLESHOOTING (ENGINE) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 20 (Engine Troubleshooting) as a basic guideline for troubleshooting the Engine. If the problem cannot be remedied, consult our company's business office or service plant.
  • Page 49 DCA-45SSIU3 (60 Hz) — TROUBLESHOOTING (ENGINE) l i f r e t o l c t r i r i A e l c i t c . t u i n i i t c f l a i t c c a l i t u l .
  • Page 50 © COPYRIGHT 2024, MULTIQUIP INC. Multiquip Inc , the MQ logo and the MQ Power logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.

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