MQ Power WHISPERWATT Series Operation Manual

60 hz generator
Hide thumbs Also See for WHISPERWATT Series:

Advertisement

Quick Links

OPERATION MANUAL
WHISPERWATT™ SERIES
MODEL
DCA400SSI4F3PB
60 Hz GENERATOR
(ISUZU BQ-6WG1X DIESEL ENGINE)
INSTRUCTION MANUAL NO. C3844303444A
Revision #1 (10/12/22)
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.

Advertisement

Table of Contents
loading

Summary of Contents for MQ Power WHISPERWATT Series

  • Page 1 OPERATION MANUAL WHISPERWATT™ SERIES MODEL DCA400SSI4F3PB 60 Hz GENERATOR (ISUZU BQ-6WG1X DIESEL ENGINE) INSTRUCTION MANUAL NO. C3844303444A Revision #1 (10/12/22) 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.
  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22)
  • Page 3: Table Of Contents

    TABLE OF CONTENTS DCA400SSI4F3PB NOTICE 60 Hz Generator Specifications are subject to change without notice. Proposition 65 Warning ........... 2 Table of Contents ............. 3 Safety Decals ............4 Safety Information ..........5–10 Specifications ............11 Dimensions ............12 Installation ............14–15 General Information ..........
  • Page 4: Safety Decals

    SAFETY DECALS SAFETY DECALS NOTICE Safety decals are attached to the generator as shown in For safety decal part numbers, refer to the associated Figure 1. Keep these safety decals clean at all times. When parts manual. the safety decals become worn or damaged, contact your nearest dealer or the Multiquip Parts Department.
  • Page 5: Safety Information

    SAFETY INFORMATION Do not operate or service the generator before reading the Potential hazards associated with the operation of this entire manual. Safety precautions should be followed at all generator will be referenced with hazard symbols which times when operating this generator. Failure to read and may appear throughout this manual in conjunction with understand the safety messages and operating instructions safety messages.
  • Page 6 „ NEVER use accessories or attachments that are not being used. The generator should be stored in a clean, dry location out of the reach of children and unauthorized recommended by MQ Power for this generator. Damage to the generator and/or injury to the user may result. personnel.
  • Page 7 SAFETY INFORMATION ENGINE SAFETY „ Operation of the generator may create sparks that can start fi res around dry vegetation. A spark arrestor DANGER may be required. The operator should contact local fi re agencies for laws or regulations relating to fi re prevention „...
  • Page 8 „ The trailer should be adjusted to a level position at all times when towing. „ Refer to the MQ Power trailer manual for additional safety information. „ Raise and lock the trailer wheel stand in the upright position when towing.
  • Page 9 SAFETY INFORMATION ELECTRICAL SAFETY „ Make sure power cables are securely connected to the generator’s output receptacles. Incorrect connections DANGER may cause electrical shock and damage to the generator. „ NEVER touch the output terminals NOTICE during operation. Contact with the „...
  • Page 10 SAFETY INFORMATION EMISSIONS INFORMATION „ If the battery liquid (dilute sulfuric acid) comes into contact with eyes, rinse eyes immediately with plenty NOTICE of water and contact the nearest doctor or hospital to seek medical attention. The diesel engine used in this equipment has been designed to reduce harmful levels of carbon monoxide CAUTION (CO), hydrocarbons (HC), and nitrogen oxides (NOx)
  • Page 11: Specifications

    SPECIFICATIONS Table 1. Generator Specifications Models DCA400SSI4F3PB Revolving field, self-ventilated, Type open protected type synchronous generator Armature Connection Star with Neutral Phase Standby Output 336 kW (420 kVA) Prime Output 320 kW (400 kVA) 3Ø Voltage 208, 220, 240, 416, 440, 480V 1Ø...
  • Page 12: Dimensions

    DIMENSIONS TOP VIEW SIDE VIEW FRONT VIEW Figure 2. Dimensions Table 3. Dimensions Reference Reference Dimension in. (mm) Dimension in. (mm) Letter Letter 31.89 (810) 22.83 (580) 22.83 (580) 31.89 (810) Denyo 26.00 (660) 21.46 (545) 27.16 (690) 30.71 (780) 25.59 (650) 181.10 (4,600) 27.16 (690)
  • Page 13 NOTES DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22) — PAGE 13...
  • Page 14: Installation

    GENERATOR GROUND LUG GROUND ROD GROUND CABLE REFERENCE NEC 250 Figure 3. Typical Generator Grounding Application NOTICE Trailer-mounted generators are the sole responsibility of MQ Power. PAGE 14 — DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22)
  • Page 15 INSTALLATION OUTDOOR INSTALLATION MOUNTING Install the generator in an area that is free of debris, The generator must be mounted on a solid foundation bystanders, and overhead obstructions. Make sure the (such as concrete) and set firmly on the foundation to generator is on secure, level ground so that it cannot slide isolate vibration of the generator when it is running.
  • Page 16: General Information

    Refer to „ Control Box (located behind control panel) Table 2 for engine specifications. • Automatic Voltage Regulator In keeping with MQ Power’s policy of constantly improving • Current Transformer its products, the specifications quoted herein are subject • Overcurrent Relay to change without prior notice.
  • Page 17: General Paralleling Information

    GENERAL PARALLELING INFORMATION PARALLELING As the field excitation of one generator set in a group is decreased (i.e. over excited) it will not lead to a decrease Paralleling is the sharing of a load between two generator in voltage (as it would if it were operating alone) but it will sets or more.
  • Page 18 GENERAL PARALLELING INFORMATION MAINTENANCE INTERVAL Maintenance intervals are factory set for 250 hours. The maintenance interval timer will count down to zero indicating that it is time for the unit to be serviced. Once the timer counts down to zero, a pre-alarm will appear indicating that the unit is due for maintenance.
  • Page 19 NOTES DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22) — PAGE 19...
  • Page 20: Major Components

    MAJOR COMPONENTS Table 4. Generator Major Components Item No. Description Muffler Assembly Air Cleaner Assembly Generator Assembly Battery Assembly Engine Assembly DEF Supply Module Assembly Fuel Tank Assembly Emergency Stop Switch (S/N 3954565 and Above) Emergency Stop Switch (S/N 3954564 and Below) Output Terminal Panel Assembly Parallel Communication Receptacles Voltage Change-Over Board Assembly...
  • Page 21: Control And Operation Panel

    CONTROL AND OPERATION PANEL Figure 5. Engine/Generator Control Panel The definitions below describe the controls and functions of the control and operation panel (Figure 5). 1. Basler DGC-2020HD Digital Genset Controller — 7. Control Power Switch — Set this switch to the ON Displays parameters (AC voltage, AC current, phase, position prior to operation.
  • Page 22: Basler Digital Genset Controller

    BASLER DIGITAL GENSET CONTROLLER LCD DISPLAY VOLT 60.0 HR : 3:58 DEF : 33 % 60 % 28.2 FUEL TEMP BATT Figure 6. Basler DGC-2020HD The definitions below describe the controls and functions of the Basler DGC-2020HD digital genset controller (Figure 6). 1.
  • Page 23 BASLER DIGITAL GENSET CONTROLLER 2. Not In Auto Indicator — This red LED lights when the 10. Run Pushbutton and Mode Indicator — Press this DGC-2020HD is not operating in Auto mode. button to place the DGC-2020HD in Run mode. The green Run Mode LED lights whenever Run mode is 3.
  • Page 24: Output Terminal Panel Familiarization

    OUTPUT TERMINAL PANEL FAMILIARIZATION OUTPUT TERMINAL PANEL OUTPUT TERMINAL FAMILIARIZATION The output terminal panel (Figure 8) shown below is The output terminal panel (Figure 8) is provided with the provided for the connection of electrical loads. Lift up on following: the cover to gain access to receptacles and terminal lugs.
  • Page 25 OUTPUT TERMINAL PANEL FAMILIARIZATION 120-Volt AC GFCI Receptacles NOTICE It is recommended that the GFCI receptacles be tested when the generator is initially uncrated. The receptacles SINGLE-PHASE CS-6369 240/139 VAC TWIST-LOCK should then be tested daily at startup. 50-AMP OUTPUT RECEPTACLES There are two 120-volt, 20-amp GFCI (duplex NEMA 5-20R) receptacles provided on the output terminal panel.
  • Page 26 OUTPUT TERMINAL PANEL FAMILIARIZATION Connecting Loads Overcurrent Relay An overcurrent relay (Figure 12) is connected to the Loads can be connected to the generator by the output terminal lugs, convenience receptacles, or cam-loks main circuit breaker. In the event of an overload, both the (Figure 11).
  • Page 27: Load Application

    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 and equipment to ensure the wattage, amperage, frequency, power, use the following equation: and voltage requirements are satisfactorily supplied by the VOLTAGE ×...
  • Page 28: Powerbalance

    POWERBALANCE™ PowerBalance™ (Figure 13) is an optional load „ PowerBalance™ continuously monitors engine load by management solution that helps protect the engine generator sensing the engine exhaust temperature. from problems resulting from sustained low-load operations (defined as less than 30% of the generator full-load rating). POWERBALANCE™...
  • Page 29: Generator Outputs

    GENERATOR OUTPUTS GENERATOR OUTPUT VOLTAGES VOLTAGE REGULATOR A wide range of voltages (Table 7) is available for many To obtain some of the voltages listed in Table 7 will require different applications. a fine voltage adjustment using the voltage regulator control knob (Figure 15) located on the control panel.
  • Page 30: Output Terminal Panel Connections

    OUTPUT TERMINAL PANEL CONNECTIONS UVWO TERMINAL OUTPUT VOLTAGES 3. Turn the voltage regulator control knob (Figure 18) clockwise to increase voltage output as needed. Turn Various output voltages can be obtained using the UVWO counterclockwise to decrease voltage output. output terminal lugs. The voltages at the terminals are DECREASE INCREASE dependent on the placement of the jumper plates (6) on...
  • Page 31 OUTPUT TERMINAL PANEL CONNECTIONS Single-Phase 480-Volt NOTICE UVWO Terminal Output Voltages ALWAYS make sure that the connections to the UVWO terminals are secure and tight. The possibility exists 1. Make sure the voltage change-over board is jumpered of arcing that could cause a fire. for 480-volt operation as shown in Figure 21.
  • Page 32: Inspection/Setup

    INSPECTION/SETUP ENGINE OIL CHECK 5. If the engine oil level is low (Figure 26C), remove the cap from the oil filler port (Figure 27) and fill to a 1. To check the engine oil level, place the generator on safe operating level (max) as indicated by the dipstick secure, level ground with the engine stopped.
  • Page 33 INSPECTION/SETUP FUEL CHECK 1. Level Tanks — Make sure fuel cells are level with the ground. Failure to do so will cause fuel to spill from the DANGER tank before reaching full capacity (Figure 29). Fuel spillage on a hot engine can cause a CAUTION fire or explosion.
  • Page 34 INSPECTION/SETUP COOLANT Fuel EXPANDS (ANTIFREEZE/SUMMER COOLANT/WATER) When Heated! Isuzu recommends antifreeze/summer coolant for use in their engines, which can be purchased in concentrate (and mixed with 50% demineralized water) or pre-diluted. See the Isuzu Figure 32. Fuel Expansion engine owner’s manual for further details. DIESEL EXHAUST FLUID WARNING When adding coolant/antifreeze mix to the...
  • Page 35 INSPECTION/SETUP Operation In Freezing Weather FAN BELT TENSION When operating in freezing weather, be certain the proper A slack fan belt may contribute to overheating, or to amount of antifreeze (Table 11) has been added. insufficient charging of the battery. Inspect the fan belt for damage and wear and adjust it in accordance with the Table 11.
  • Page 36 INSPECTION/SETUP BATTERY POSITIVE This unit is of negative ground. DO NOT connect in reverse. ALWAYS maintain the battery fluid level between the specified marks. Battery life will be shortened if the fluid level is not properly maintained. Add only distilled water when replenishment is necessary.
  • Page 37 INSPECTION/SETUP Battery Switch PIPING AND HOSE CONNECTIONS Located in the engine compartment, the Battery switch Inspect all piping, oil hose, and fuel hose connections for (Figure 38) connects and disconnects the battery. Place wear and tightness. Tighten all hose clamps and check the switch in the ON position prior to starting the generator.
  • Page 38: Generator Start-Up Procedure (Manual)

    GENERATOR START-UP PROCEDURE (MANUAL) BEFORE STARTING 5. Connect the load to the receptacles or the output terminal lugs as shown in Figure 11. These load CAUTION connection points can be found on the output terminal panel and the output terminal panel’s hard wire hookup The engine’s exhaust contains harmful emissions.
  • Page 39 GENERATOR START-UP PROCEDURE (MANUAL) 2. Once the engine starts, let the engine run at low idle NOTICE for 1–2 minutes. Let the engine idle longer in cold Oil pressure readings may be higher immediately after weather conditions. Listen for any abnormal noises. starting, especially in cold weather conditions, but If any abnormalities exist, shut down the engine and should return to normal as the engine temperature...
  • Page 40: Generator Start-Up Procedure (Auto Mode)

    GENERATOR START-UP PROCEDURE (AUTO MODE) STARTING (AUTO MODE) When starting the generator in Auto mode use the manual start-up procedure except where noted (see below). DANGER 1. Perform steps 1 through 7 in Before Starting found in Before connecting this generator to any the Generator Start-Up Procedure (Manual) section.
  • Page 41: Generator Shutdown Procedures

    GENERATOR SHUTDOWN PROCEDURES NORMAL SHUTDOWN PROCEDURE (MANUAL) 6. Allow sufficient time for adequate cooling, then inspect the entire generator for any damage or loosening of 1. Place the load’s ON/OFF switch in the OFF position. components that may have occurred during operation. 2.
  • Page 42: Generator Start-Up Procedures (Parallel Operation)

    GENERATOR START-UP PROCEDURES (PARALLEL OPERATION) GENERATOR #1 GENERATOR #2 OUTPUT TERMINAL PANEL GENERATOR #3 Figure 53. Communication Cable Connections (Parallel Operation) PAGE 42 — DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22)
  • Page 43 GENERATOR START-UP PROCEDURES (PARALLEL OPERATION) PARALLEL OPERATION (2 OR MORE UNITS) NOTICE NOTICE Use only category 5, 5e, 6, or 6e ethernet cables with 8C8P modular connectors (RJ45 jacks) to To ensure stable operation of multiple generator units connect the units. Cables must comply with ANSI connected in parallel and working as one unit, it is TIA-568A/TIA-568B standards.
  • Page 44 GENERATOR START-UP PROCEDURES (PARALLEL OPERATION) 3. On the second generator, press the Circuit Breaker ON button (Figure 54). The voltage and frequency will be automatically adjusted. The circuit breaker will turn ON automatically when synchronization is complete. VOLT 60.0 NOTICE HR : 3:58 DEF : 33 % When synchronization has completed and the units are...
  • Page 45: Generator Shutdown Procedures (Parallel Operation)

    GENERATOR SHUTDOWN PROCEDURES (PARALLEL OPERATION) 4. On each generator, after the engine has completely NOTICE stopped, place the Control Power switch in the OFF position (Figure 59) and place the Battery switch If one of the paralleled units runs out of fuel during (Figure 60) in the OFF position.
  • Page 46: Maintenance

    MAINTENANCE Every Every 500 Every 1,000 Table 12. Inspection/Maintenance Daily Other Hours Hours Hours Check Engine Oil and Coolant Levels Check Fuel Filter/Water Separator Bowl Check Battery Fluid Level Check Air Cleaner Check for Leaks Visual Walk Around Inspection Clean Air Cleaner Element Drain Bottom of Fuel Tank Replace Engine Oil and Oil Filter* Replace Fuel Filter Elements...
  • Page 47 MAINTENANCE GENERAL INSPECTION Primary And Secondary Air Cleaner Elements Prior to each use, the generator should be cleaned and Every 250 hours: Remove the air cleaner elements and inspected for deficiencies. Check for loose, missing or clean them with a light spray of compressed air. damaged nuts, bolts, or other fasteners.
  • Page 48 MAINTENANCE Air Cleaner Restriction Indicator Draining The Fuel Filter The air cleaner is equipped with a restriction indicator 1. Loosen the air bleeder plug (Figure 63) on the fuel (Figure 62). As the air cleaner element becomes clogged, filter body. air intake restriction increases and the indicator signal shows RED, indicating that the element needs to be replaced.
  • Page 49 MAINTENANCE Fuel Filter Element Replacement REMOVING WATER FROM THE FUEL TANK 1. Using a filter wrench, remove the element case from After prolonged use, water and other impurities accumulate the fuel filter body (Figure 64). in the bottom of the fuel tank. Occasionally inspect the fuel tank for water contamination and drain the contents if required.
  • Page 50 MAINTENANCE DRAINING THE ENGINE OIL ENGINE OIL FILTER REPLACEMENT NOTICE 1. Run the engine until the engine coolant reaches a temperature of 140°F (60°C). Filter head appearance may vary. 2. Turn the engine OFF. 1. Clean the area around the oil filter head (Figure 67). 3.
  • Page 51 MAINTENANCE 6. Run the engine for several minutes. Watch for oil 3. After the coolant has completely drained, place the coolant drain valve in the CLOSED position. leakage. Shut the engine down and allow it to sit for several minutes. Top off the oil to the upper limit on 4.
  • Page 52 MAINTENANCE DRIVE BELT TESTING THE GFCI RECEPTACLE Drive Belt Tension NOTICE The GFCI receptacle is designed to interrupt power A slack drive belt may contribute to overheating or when a ground fault exists to prevent injuries and shock insufficient charging of the battery. Adjust the drive belt in hazards.
  • Page 53 MAINTENANCE GENERATOR STORAGE 4. Press the TEST button (Figure 74) on the GFCI receptacle and verify that the status LED turns OFF. For long-term storage of the generator the following is recommended: „ Drain the fuel tank completely. Treat with a fuel stabilizer if necessary.
  • Page 54 MAINTENANCE OPTIONAL ENGINE BLOCK HEATER When using the generator in hot climates there is no reason to apply power to the engine block heater. However, if the AND INTERNAL BATTERY CHARGER generator will be used in cold climates it is always a good 120 VAC INPUT RECEPTACLES idea to apply power to the heater at all times.
  • Page 55 MAINTENANCE EMISSION CONTROL PREVENTIVE MAINTENANCE PROGRAMS The emission control system employed with this diesel Most challenging to a rental organization is the fact that a engine consists of a diesel oxidation catalyst (DOC) customer’s power assumptions may not meet the minimum and a selective catalytic reduction (SCR) catalyst load requirements of the power equipment selected.
  • Page 56 MAINTENANCE SELECTIVE CATALYTIC REDUCTION (SCR) Refer to Table 13 for digital controller messages displayed during SCR Purge operation. Diesel engines can be run with a lean burn air-to-fuel ratio, Table 13. SCR Purge Controller Messages to ensure the full combustion of soot and to prevent the exhaust of unburnt fuel.
  • Page 57 MAINTENANCE Automatic Purge Operation While a Forced Purge operation is in progress, the Alarm lamp will begin flashing (red) and the message “SCR The purging operation is automatically performed every Forced Purge Active” will appear on the controller screen 30 hours. The Alarm lamp will begin flashing (red) and the (Figure 81).
  • Page 58 MAINTENANCE DIESEL EXHAUST FLUID (DEF) The amount of fluid in the DEF tank will be displayed on the digital controller during operation (Figure 83). The red Alarm lamp will turn on or begin flashing and the Diesel Exhaust Fluid (DEF) indicator (Figure 82) will LEVEL be displayed next to a diagnostic message on the digital controller during either of the following operating conditions:...
  • Page 59 MAINTENANCE INDUCEMENT NOTICE When the system senses improper usage such as no Replace the DEF filter (located in the urea SCR system supply of DEF, use of poor quality DEF, problems with supply module) every 1,000 hours of operation. Refer DEF dosing, or disconnection of sensors, a warning will be to the Replacement of DEF Filter section in the Isuzu issued before the situation becomes critical.
  • Page 60 MAINTENANCE ESCAPE MODE 5. When Escape mode is enabled, the Alarm lamp will flash and the message “Escape Mode PA” will appear When emergency shutdown occurs, inspection and on the Pre-Alarm screen. repair should generally be performed promptly. However, 6. Press the Run button (Figure 85) to start the engine. if emergency protective measures are necessary which require the unit to be running, the engine can be started in Escape mode, which allows the unit to run for 30 minutes.
  • Page 61: Troubleshooting (Diagnostics)

    TROUBLESHOOTING (DIAGNOSTICS) DIAGNOSTIC MODE The digital controller can be placed in Diagnostic mode, which will keep the key switch on for service tool purposes. To place the unit in Diagnostic mode the engine must be turned OFF. 1. Press the Alarm Silence button and the Lamp Test button (Figure 86) simultaneously for 5 seconds.
  • Page 62 Allow a sufficient cooling period, then inspect the unit and repair the problem before restarting operation. If necessary, contact your nearest MQ Power dealer for additional technical support. When the unit is ready to restart, press the Off button on the digital controller.
  • Page 63 TROUBLESHOOTING (DIAGNOSTICS) Table 16. Automatic Engine Shutdown System Operating Circuit Breaker ECU Shutdown Digital Controller Operating Condition/ Parameter Off LED Display Message Set Point Under Voltage — — 27P-1 UndVolt Prealarm When under voltage occurs Under Voltage 27P-2 UndVolt Alarm When over voltage occurs Over Voltage —...
  • Page 64: Troubleshooting (Generator)

    TROUBLESHOOTING (GENERATOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 17 shown below for diagnosis of the generator. If the problem cannot be remedied, consult our company’s business office or service plant. Table 17.
  • Page 65: Generator Wiring Diagram (C3814005813B)

    GENERATOR WIRING DIAGRAM (C3814005813B) DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22) — PAGE 65...
  • Page 66: Engine Wiring Diagram (C3814106113A)

    ENGINE WIRING DIAGRAM (C3814106113A) PAGE 66 — DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22)
  • Page 67: Controller Wiring Diagram (A) (C3814105803)

    CONTROLLER WIRING DIAGRAM (A) (C3814105803) DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22) — PAGE 67...
  • Page 68: Controller Wiring Diagram (B) (C3814105903)

    CONTROLLER WIRING DIAGRAM (B) (C3814105903) PAGE 68 — DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22)
  • Page 69: Mcb Sequence Diagram (C3814206303)

    MCB SEQUENCE DIAGRAM (C3814206303) DCA400SSI4F3PB 60 HZ GENERATOR • OPERATION MANUAL — REV. #1 (10/12/22) — PAGE 69...
  • Page 70: Battery Charger Wiring Diagram (Option)

    BATTERY CHARGER WIRING DIAGRAM (OPTION) BLACK 14 AWG. LINE (L)120VAC INPUT WHITE 14 AWG. NEUTRAL (N) GREEN 14 AWG. GROUND (G) TO CHASSIS GROUND GREEN 16 AWG. TO STARTER “B” TERMINAL RED 16 AWG. 120 VAC INPUT, INSERT EXTERNAL POWER CORD HERE. NOTES: NEMA 5-15, 15A, 120 VAC, P/N EE6176 (HBL5278C/HUBBLE RECEPTACLE).
  • Page 71: Engine Block Heater Wiring Diagram (Option)

    ENGINE BLOCK HEATER WIRING DIAGRAM (OPTION) BLACK 14 AWG. LINE (L)120VAC INPUT WHITE 14 AWG. NEUTRAL (N) GREEN 14 AWG. GROUND (G) ENGINE BLOCK HEATER TEMP. BLACK 14 AWG. SWITCH LINE (L)120VAC INPUT HEATING 120 VAC WHITE 14 AWG. ELEMENT NEUTRAL (N) GREEN 14 AWG.
  • Page 72 © COPYRIGHT 2022, 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.

This manual is also suitable for:

Whisperwatt dca400ssi4f3pb

Table of Contents