DCA45SSIU4F_rev_3_60_hz_op_manual_318011.pdf

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

To find the latest revision of this publication, visit our website at:

www.mqpower.com

WHISPERWATT™ SERIES

MODEL DCA45SSIU4F

60Hz GENERATOR

(ISUZU 4LE2X DIESEL ENGINE)

Revision #3 (01/16/18)

OPERATION MANUAL

PAGE 2 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

PROPOSITION 65 WARNING

Diesel engine exhaust and some of

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 3

TABLE OF CONTENTS

DCA45SSIU4F 60 Hz Generator Proposition 65 Warning Safety Information ................................................ 4-9 Generator/Engine Specifications Generator Dimensions Installation ........................................................ 12-13 General Information Generator Major Components Engine/Generator Control Panel....................... 16-17 Output Terminal Panel Familiarization .............. 18-20 Load Application Generator Outputs ............................................ 22-23 Gauge Reading Output Terminal Panel Connections ................. 24-25 Inspection/Setup ............................................... 26-30 Generator Start-Up Procedure (Manual Mode) Generator Start-Up Procedure (Auto Mode) Generator Shut-Down Procedures Maintenance ..................................................... 34-38 Troubleshooting Diagnostic (Lamp) Troubleshooting Generator Troubleshooting Engine ................................... 41-42 Generator Wiring Diagram Engine Wiring Diagram Controller Wiring Diagram

NOTICE

Specifications are subject to change without notice.

PAGE 4 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

SAFETY INFORMATION

Do not operate or service the equipment before reading the entire manual. Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the safety messages and operating instructions could result in injury to yourself and others.

SAFETY MESSAGES

The four safety messages shown below will inform you about potential hazards that could injure you or others. The safety messages specifi cally address the level of exposure to the operator and are preceded by one of four words:

DANGER, WARNING, CAUTION or NOTICE.

SAFETY SYMBOLS

DANGER

Indicates a hazardous situation which, if not avoided, WILL result in DEATH or SERIOUS INJURY.

WARNING

Indicates a hazardous situation which, if not avoided, COULD result in DEATH or SERIOUS INJURY.

CAUTION

Indicates a hazardous situation which, if not avoided, COULD result in MINOR or MODERATE INJURY.

NOTICE

Addresses practices not related to personal injury.

Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages.

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 5

GENERAL SAFETY

CAUTION

NEVER operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devices required by the job or city and state regulations.

NEVER operate this equipment when not feeling well due to fatigue, illness or when under medication.

NEVER operate this equipment under the infl uence of drugs or alcohol.

ALWAYS check the equipment for loosened threads or bolts before starting.

DO NOT use the equipment for any purpose other than its intended purposes or applications.

NOTICE

This equipment should only be operated by trained and qualifi ed personnel 18 years of age and older.

Whenever necessary, replace nameplate, operation and safety decals when they become diffi cult read.

Manufacturer does not assume responsibility for any accident due to equipment modifi cations. Unauthorized equipment modifi cation will void all warranties.

NEVER use accessories or attachments that are not recommended by MQ Power for this equipment. Damage to the equipment and/or injury to user may result.

ALWAYS know the location of the nearest fi re extinguisher.

ALWAYS know the location of the nearest fi rst aid kit.

ALWAYS know the location of the nearest phone or keep a phone on the job site. Also, know the phone numbers of the nearest ambulance, doctor and fi re department. This information will be invaluable in the case of an emergency.

GENERATOR SAFETY

DANGER

NEVER operate the equipment in an explosive atmosphere or near combustible materials. An explosion or fi re could result causing severe bodily harm or even death.

WARNING

NEVER disconnect any emergency or safety devices.

These devices are intended for operator safety.

Disconnection of these devices can cause severe injury, bodily harm or even death. Disconnection of any of these devices will void all warranties.

CAUTION

NEVER lubricate components or attempt service on a running machine.

NOTICE

ALWAYS ensure generator is on level ground before use.

ALWAYS keep the machine in proper running condition.

Fix damage to machine and replace any broken parts immediately.

ALWAYS store equipment properly when it is not being used. Equipment should be stored in a clean, dry location out of the reach of children and unauthorized personnel

PAGE 6 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

ENGINE SAFETY

DANGER

The engine fuel exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled.

The engine of this equipment requires an adequate free fl ow of cooling air. NEVER operate this equipment in any enclosed or narrow area where free fl ow of the air is restricted. If the air fl ow is restricted it will cause injury to people and property and serious damage to the equipment or engine.

WARNING

DO NOT place hands or fingers inside engine compartment when engine is running.

NEVER operate the engine with heat shields or guards removed.

Keep fi ngers, hands hair and clothing away from all moving parts to prevent injury.

DO NOT remove the radiator cap while the engine is hot. High pressure boiling water will gush out of the radiator and severely scald any persons in the general area of the generator.

DO NOT remove the coolant drain plug while the engine is hot. Hot coolant will gush out of the coolant tank and severely scald any persons in the general area of the generator.

DO NOT remove the engine oil drain plug while the engine is hot. Hot oil will gush out of the oil tank and severely scald any persons in the general area of the generator.

CAUTION

NEVER touch the hot exhaust manifold, muffl er or cylinder. Allow these parts to cool before servicing equipment.

NOTICE

NEVER run engine without an air fi lter or with a dirty air fi lter. Severe engine damage may occur. Service air fi lter frequently to prevent engine malfunction.

NEVER tamper with the factory settings of the engine or engine governor. Damage to the engine or equipment can result if operating in speed ranges above the maximum allowable.

Wet stacking is a common problem with diesel engines which are operated for extended periods with light or no load applied. When a diesel engine operates without suffi cient load (less than 40% of the rated output), it will not operate at its optimum temperature. This will allow unburned fuel to accumulate in the exhaust system, which can foul the fuel injectors, engine valves and exhaust system, including turbochargers, and reduce the operating performance.

In order for a diesel engine to operate at peak effi ciency, it must be able to provide fuel and air in the proper ratio and at a high enough engine temperature for the engine to completely burn all of the fuel.

Wet stacking does not usually cause any permanent damage and can be alleviated if additional load is applied to relieve the condition. It can reduce the system performance and increase maintenance. Applying an increasing load over a period of time until the excess fuel is burned off and the system capacity is reached usually can repair the condition. This can take several hours to burn off the accumulated unburned fuel.

State Health Safety Codes and Public Resources Codes specify that in certain locations, spark arresters must be used on internal combustion engines that use hydrocarbon fuels. A spark arrester is a device designed to prevent accidental discharge of sparks or fl ames from the engine exhaust. Spark arresters are qualifi ed and rated by the United States Forest Service for this purpose. In order to comply with local laws regarding spark arresters, consult the engine distributor or the local Health and Safety Administrator.

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 7

FUEL SAFETY

DANGER

DO NOT start the engine near spilled fuel or combustible fl uids. Diesel fuel is extremely fl ammable and its vapors can cause an explosion if ignited.

ALWAYS refuel in a well-ventilated area, away from sparks and open fl ames.

ALWAYS use extreme caution when working with fl ammable liquids.

DO NOT fi ll the fuel tank while the engine is running or hot.

DO NOT overfi ll tank, since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system.

Store fuel in appropriate containers, in well-ventilated areas and away from sparks and fl ames.

NEVER use fuel as a cleaning agent.

DO NOT smoke around or near the equipment. Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine.

TOWING SAFETY

CAUTION

Check with your local county or state safety towing regulations, in addition to meeting Department of Transportation (DOT) Safety Towing Regulations, before towing your generator.

Refer to MQ Power trailer manual for additional safety information.

In order to reduce the possibility of an accident while transporting the generator on public roads, ALWAYS make sure the trailer that supports the generator and the towing vehicle are mechanically sound and in good operating condition.

ALWAYS shutdown engine before transporting

Make sure the hitch and coupling of the towing vehicle are rated equal to, or greater than the trailer “gross vehicle weight rating.”

ALWAYS inspect the hitch and coupling for wear. NEVER tow a trailer with defective hitches, couplings, chains, etc.

Check the tire air pressure on both towing vehicle and trailer. Trailer tires should be infl ated to 50 psi cold.

Also check the tire tread wear on both vehicles.

ALWAYS make sure the trailer is equipped with a safety chain.

ALWAYS properly attach trailer’s safety chains to towing vehicle.

ALWAYS make sure the vehicle and trailer directional, backup, brake and trailer lights are connected and working properly.

DOT Requirements include the following:

• Connect and test electric brake operation.

• Secure portable power cables in cable tray with tie wraps.

The maximum speed for highway towing is 55 MPH unless posted otherwise. Recommended off-road towing is not to exceed 15 MPH or less depending on type of terrain.

Avoid sudden stops and starts. This can cause skidding, or jack-knifi ng. Smooth, gradual starts and stops will improve towing.

Avoid sharp turns to prevent rolling.

Trailer should be adjusted to a level position at all times when towing.

Raise and lock trailer wheel stand in up position when towing.

Place chock blocks underneath wheel to prevent rolling while parked.

Place support blocks underneath the trailer’s bumper to prevent tipping while parked.

Use the trailer’s swivel jack to adjust the trailer height to a level position while parked.

PAGE 8 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

ELECTRICAL SAFETY

DANGER

DO NOT touch output terminals during operation. Contact with output terminals during operation can cause electrocution, electrical shock or burn.

The electrical voltage required to operate the generator can cause severe injury or even death through physical contact with live circuits. Turn generator and all circuit breakers OFF before performing maintenance on the generator or making contact with output terminals.

NEVER insert any objects into the output receptacles during operation. This is extremely dangerous. The possibility exists of electrical shock, electrocution or death.

Backfeed to a utility system can cause electrocution and/or property damage.

NEVER connect the generator to a building’s electrical system without a transfer switch or other approved device. All installations should be performed by a licensed electrician in accordance with all applicable laws and electrical codes. Failure to do so could result in electrical shock or burn, causing serious injury or even death.

Power Cord/Cable Safety

DANGER

NEVER let power cords or cables lay in water.

NEVER stand in water while AC power from the generator is being transferred to a load.

NEVER use damaged or worn cables or cords when connecting equipment to generator. Inspect for cuts in the insulation.

NEVER grab or touch a live power cord or cable with wet hands. The possibility exists of electrical shock, electrocution or death.

Make sure power cables are securely connected to the generator’s output receptacles. Incorrect connections may cause electrical shock and damage to the generator.

NOTICE

ALWAYS make certain that proper power or extension cord has been selected for the job. See Cable Selection Chart in this manual.

Grounding Safety

DANGER

ALWAYS make sure that electrical circuits are properly grounded to a suitable earth ground (ground rod) per the National Electrical Code (NEC) and local codes before operating generator. Severe injury or death by electrocution can result from operating an ungrounded generator.

NEVER use gas piping as an electrical ground.

BATTERY SAFETY

DANGER

DO NOT drop the battery. There is a possibility that the battery will explode.

DO NOT expose the battery to open fl ames, sparks, cigarettes, etc. The battery contains combustible gases and liquids. If these gases and liquids come into contact with a fl ame or spark, an explosion could occur.

WARNING

ALWAYS wear safety glasses when handling the battery to avoid eye irritation.

The battery contains acids that can cause injury to the eyes and skin.

Use well-insulated gloves when picking up the battery.

ALWAYS keep the battery charged. If the battery is not charged, combustible gas will build up.

ALWAYS recharge the battery in a well-ventilated environment to avoid the risk of a dangerous concentration of combustible gasses.

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 9

If the battery liquid (dilute sulfuric acid) comes into contact with clothing or skin, rinse skin or clothing immediately with plenty of water.

If the battery liquid (dilute sulfuric acid) comes into contact with eyes, rinse eyes immediately with plenty of water and contact the nearest doctor or hospital to seek medical attention.

CAUTION

ALWAYS disconnect the NEGATIVE battery terminal before performing service on the generator.

ALWAYS keep battery cables in good working condition.

Repair or replace all worn cables.

ENVIRONMENTAL SAFETY/DECOMMISSIONING

NOTICE

Decommissioning is a controlled process used to safely retire a piece of equipment that is no longer serviceable.

If the equipment poses an unacceptable and unrepairable safety risk due to wear or damage or is no longer cost effective to maintain (beyond life-cycle reliability) and is to be decommissioned (demolition and dismantlement),be sure to follow rules below.

DO NOT pour waste or oil directly onto the ground, down a drain or into any water source.

Contact your country's Department of Public Works or recycling agency in your area and arrange for proper disposal of any electrical components, waste or oil associated with this equipment.

When the life cycle of this equipment is over, remove battery and bring to appropriate facility for lead reclamation. Use safety precautions when handling batteries that contain sulfuric acid.

When the life cycle of this equipment is over, it is recommended that the trowel frame and all other metal parts be sent to a recycling center.

Metal recycling involves the collection of metal from discarded products and its transformation into raw materials to use in manufacturing a new product.

Recyclers and manufacturers alike promote the process of recycling metal. Using a metal recycling center promotes energy cost savings.

EMISSIONS INFORMATION

NOTICE

The diesel engine used in this equipment has been designed to reduce harmful levels of carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOx) contained in diesel exhaust emissions.

This engine has been certifi ed to meet US EPA Evaporative emissions requirements in the installed confi guration.

Attempting to modify or make adjustments to the engine emission system by unauthorized personnel without proper training could damage the equipment or create an unsafe condition.

Additionally, modifying the fuel system may adversely affect evaporative emissions, resulting in fi nes or other penalties.

Emission Control Label

The emission control label is an integral part of the emission system and is strictly controlled by regulations.

The label must remain with the engine for its entire life.

If a replacement emission label is needed, please contact your authorized engine distributor.

PAGE 10 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

GENERATOR/ENGINE SPECIFICATIONS

Table 1. Generator Specifications Model DCA45SSIU4F

Type Revolving field, self ventilated, open protected type synchronous generator

Armature Connection Star with Neutral Zigzag Phase 3Ø 3Ø

Standby Output 40 KW (50 KVA) 28.8 KW Prime Output 36 KW (45 KVA) 26 kW

3Ø Voltage (L-L/L-N) Voltage Selector Switch at 3Ø 240/139 208Y/120, 220Y/127, 240Y/139 N/A

3Ø Voltage (L-L/L-N) Voltage Selector Switch at 3Ø 480/277 416Y/240, 440Y/254, 480Y/277 N/A

1Ø Voltage (L-L/L-N) Voltage Selector Switch at 1Ø 240/120 N/A 240/120

Power Factor 0.8 1.0 Frequency 60 Hz

Speed 1800 rpm Aux. AC Power Single Phase, 60 Hz

Aux. Voltage/Output 4.8 Kw (2.4 kW x 2) Dry Weight 2,337 lbs. (1,060 kg) Wet Weight 2,976 lbs. (1,350 kg)

Table 2. Engine Specifications Model Isuzu 4LE2X Tier 4 Final

Type Water-cooled, direct injection, turbo-charged air cooled EGR

No. of Cylinders 4 cylinders Bore x Stroke 3.35 in. x 3.78 in. (85 mm x 96 mm) Displacement 133 cu. in. (2.17 liter) Rated Output 59 HP at 1800 rpm

Starting Electric Coolant Capacity (Radiator) 4.44 gallons (16.8 liters)1

Lube Oil Capacity 3.2 gallons (12.2 liters)2 Lubricating Type Oil API service class CJ-4 SAE 15W-40

Fuel Type #2 Diesel Fuel (Ultra low sulfur diesel fuel only) Fuel Leak Warning Capacity 21.1 gal. (80 liters)

Fuel Tank Capacity 79.2 gallons (300 liters)

Fuel Consumption

2.93 gal. (11.1 L)/hr at full load 2.20 gal. (8.31 L)/hr at 3/4 load

1.60 gal. (6.04 L)/hr at 1/2 load 1.04 gal. (3.92 L)/hr at 1/4 load

Battery 27 (CCA 0°F 525A) X 1 1 Includes engine and radiator hoses 2 Includes filters

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 11

GENERATOR DIMENSIONS

TOP VIEW

F

FRONT VIEW

H

SIDE VIEW

G

B C

D

EA

MAXIMUM

LIFTING

POINT

5,150 lbs.

(2,325 kg)

Table 3. Generator Dimensions Reference

Letter Dimension in. (mm) Reference Letter Dimension in. (mm)

A 28.34 (720) E 26.18 (665)

B 28.34 (720) F 83.86 (2,130)

C 26.18 (665) G 61.02 (1,550)

D 32.28 (820) H 37.40 (950)

Figure 1. Dimensions

PAGE 12 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

INSTALLATION

GENERATOR

GROUND LUG

GROUND CABLE

REFERENCE

NEC 250

8 FT./2

.4 M (MINIMUM)

IF THE GENERATOR IS PROVIDING

ELECTRIC POWER TO A BUILDING

VIA A TRANSFER SWITCH IT MUST

BE CONNECTED TO A GROUND ROD.

Figure 2. Typical Generator Grounding Application

CONNECTING THE GROUND

Consult with local Electrical and Safety Codes for proper connection based on condition of use.

EXAMPLE of how to ground the unit if the condition of use requires such a device:

The ground terminal on the generator should always be used to connect the generator to a suitable ground when required.

The ground cable should be #8 size wire (aluminum) minimum. If copper wire is used, #10 size wire minimum should be used.

Connect one end of the ground cable terminal to the generator ground point (Figure 2). Connect the other end of the ground cable to a suitable earth ground (ground rod).

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 13

INSTALLATION

OUTDOOR INSTALLATION

Install the generator in a area that is free of debris, bystanders, and overhead obstructions. Make sure the generator is on secure level ground so that it cannot slide or shift around. Also install the generator in a manner so that the exhaust will not be discharged in the direction of nearby homes.

The installation site must be relatively free from moisture and dust. All electrical equipment should be protected from excessive moisture. Failure to do will result in deterioration of the insulation and will result in short circuits and grounding.

Foreign materials such as dust, sand, lint and abrasive materials have a tendency to cause excessive wear to engine and alternator parts.

INDOOR INSTALLATION

Exhaust gases from diesel engines are extremely poisonous. Whenever an engine is installed indoors the exhaust fumes must be vented to the outside. The engine should be installed at least two feet from any outside wall.

Using an exhaust pipe which is too long or too small can cause excessive back pressure which will cause the engine to heat excessively and possibly burn the valves.

MOUNTING

The generator must be mounted on a solid foundation such as concrete) and set firmly on the foundation to isolate vibration of the generator when it is running. The generator must set at least 6 inches above the floor or grade level (in accordance to NFPA 110, Chapter 54.1). DO NOT remove the metal skids on the bottom of the generator.

They are to resist damage to the bottom of the generator and to maintain alignment.

CAUTION

Pay close attention to ventilation when operating the generator inside tunnels and caves. The engine exhaust contains noxious elements. Engine exhaust must be routed to a ventilated area.

GENERATOR GROUNDING

If applicable, to guard against electrical shock and possible damage to the equipment, it is important to provide a good EARTH ground, (Figure 2).

Article 250 (Grounding) of the NEC handbook provides guidelines for proper grounding and specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical.

NEC article 250 specifices the following grounding requirements:

1. Use one of the following wire types to connect the generator to earth ground.

a. Copper 10 AWG (5.3 mm2) or larger.

b. Aluminum 8 AWG (8.4 mm2) or larger.

2. When grounding of the generator (Figure 2) is required, connect one end of the ground cable to the ground lug on the generator. Connect the other end of the ground cable to the ground rod (earth ground).

3. NEC article 250 specifies that the earth ground rod should be buried a minimum of 8 ft. into the ground.

NOTICE

The Occupational Safety and Health Administration (OSHA) and the National Electrical Code (NEC) recommend that if the generator is providing electrical power to a structure (home, office shop, trailer or similar) it must be connected to a grounding electrode system, such as driven ground rod (Figure 2).

NOTICE

ALWAYS check with State, Province, District and Municipalities for electrical grounding requirements before using generator.

NOTICE

When connecting the generator to any buildings electrical system ALWAYS consult with a licensed electrician.

PAGE 14 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

GENERATOR

This generator (Figure 3) is designed as a high quality portable (requires a trailer for transport) power source for telecom sites, lighting facilities, power tools, submersible pumps and other industrial and construction machinery.

ENGINE OPERATING PANEL

The “Operating Panel” is provided with the following:

�ECU Controller �Gauge Unit Assembly

• Oil Pressure Gauge

• Water Temperature Gauge

• Charging Voltmeter

• Fuel Gauge

• Tachometer

�Panel Light/Panel Light switch �Hour Meter �Auto Start/Stop Switch/Engine Speed Switch � Fuel Leak Detected Alarm Lamp/Pre-Heat Lamp �Engine Warning Lamp (Diagnostics)

GENERATOR CONTROL PANEL

The “Control Panel” is provided with the following:

� Frequency Meter (Hz) �AC Ammeter (Amps) �AC Voltmeter (Volts) �Ammeter Change-Over Switch �Voltmeter Change-Over Switch �Voltage Regulator � 3-Pole, 110 amp Main Circuit Breaker � “Control Box” (Located Behind Control Panel)

• Automatic Voltage Regulator

• Current Transformer

• Over-Current Relay

• Starter Relay

OUTPUT TERMINAL PANEL

The “Output Terminal Panel” is provided with the following:

� Three 120/240V output receptacles (CS-6369), 50A � Three auxiliary circuit breakers, 50A � Two 120V output receptacles (GFCI), 20A � Two GFCI circuit breakers, 20A � Five output terminal lugs (3Ø power)

OPTIONS

�Battery Charger � Jacket Water Heater �Camlock Connector � Low Coolant Level Switch

OPEN DELTA EXCITATION SYSTEM

Each generator is equipped with the state of the art “Open- Delta” excitation system. The open delta system consist of an electrically independent winding wound among stationary windings of the AC output section.

There are four connections of the open delta A, B, C and D. During steady state loads, the power from the voltage regulator is supplied from the parallel connections of A to B, A to D, and C to D. These three phases of the voltage input to the voltage regulator are then rectified and are the excitation current for the exciter section.

When a heavy load, such as a motor starting or a short circuit occurs, the automatic voltage regulator (AVR) switches the configuration of the open delta to the series connection of B to C. This has the effect of adding the voltages of each phase to provide higher excitation to the exciter section and thus better voltage response during the application of heavy loads.

The connections of the AVR to the AC output windings are for sensing only. No power is required from these windings.

The open-delta design provides virtually unlimited excitation current, offering maximum motor starting capabilities. The excitation does not have a “fixed ceiling” and responds according the demands of the required load.

ENGINE

This generator is powered by a 4 cylinder, 4-cycle water cooled, direct injection, turbocharged, air cooled and EGR Isuzu 4LE2X diesel engine. This engine is designed to meet every performance requirement for the generator.

Reference Table 2 for engine specifications.

In keeping with MQ Power’s policy of constantly improving its products, the specifications quoted herein are subject to change without prior notice.

ELECTRIC GOVERNOR SYSTEM

The electric governor system controls the RPMs of the engine.

When the engine demand increases or decreases, the governor system regulates the frequency variation to ±.25%.

EXTENSION CABLES

When electric power is to be provided to various tools or loads at some distance from the generator, extension cords are normally used. Cables should be sized to allow for distance in length and amperage so that the voltage drop between the generator and point of use (load) is held to a minimum. Use the cable selection chart (Table 6) as a guide for selecting proper extension cable size.

GENERAL INFORMATION

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 15

GENERATOR MAJOR COMPONENTS

PRESS TO LOCK

3 PHASE

480/277

1 PHASE

240/120

11 12

U V W O

OFF

U-V W-U

V-W

OFF

V

WU

INCREASE DECREASE

PSI

OIL PRESS

°F

WATER TEMP

VOLTS

BATTERY

°F

FUEL

E

½

F

RPMX10

SPEED

Low Oil Pressure

High Temp.

Over Crank

Over Speed

Engine Started

ECU

Intergrated Gauge Control

9 5

Table 4. Generator Major Components

ITEM NO. DESCRIPTION

1 Muffler Assembly 2 Voltage Selector Switch Assembly 3 Generator Assembly 4 Output Terminal Assembly 5 Circuit Breaker Assembly 6 Battery Assembly 7 Engine Assembly 8 Fuel Tank Assembly 9 Enclosure Assembly

10 Main Circuit Breaker 11 Generator Control Panel Assembly 12 Gauge Unit AssemblyFigure 3. GeneratorMajor Components

PAGE 16 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

ENGINE/GENERATOR CONTROL PANEL

Figure 4. Engine/Generator Control Panel

PSI

OIL PRESS

°F

WATER TEMP

VOLTS

BATTERY

°F

FUEL

E

½

F

RPMX10

SPEED

OFF

U-V W-U

V-W

OFF

V

WU

INCREASE DECREASE

Low Oil Pressure

High Temp.

Over Crank

Over Speed

Engine Started

ECU

Intergrated Gauge Control

PSI

OIL PRESS

°F

WATER TEMP

VOLTS

BATTERY

°F

FUEL

E

½

F

RPMX10

SPEED

D

A B C

E

Low Oil Pressure

High Temp.

Over Crank

Over Speed

Engine Started

ECU

Intergrated Gauge Control

F

G

H

I

J

3 4

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 17

The definitions below describe the controls and functions of the Engine/Generator Control Panel (Figure 4).

1. Gauge Unit Assembly — This assembly houses the various engine monitoring gauges. These gauges indicate: oil pressure, water temperature, charging voltmeter, fuel and engine speed RPM (tachometer).

A. Oil Pressure Gauge — During normal operation this gauge should read approximately 50 psi. (345 kPa). When starting the generator the oil pressure may read a little higher, but after the engine warms up the oil pressure should return to the correct pressure range.

B. Water Temperature Gauge — During normal operation this gauge should read approximately 180°F (82°C).

C. Charging Voltmeter Gauge — During normal operation this gauge indicate minimum 14 VDC.

D. Fuel Gauge — Indicates amount of diesel fuel available.

E. Tachometer Gauge — Indicates engine speed.

This gauge should indicate 1,000 rpm's when the engine speed switch is placed in the low position.

1800 RPM’s when the engine speed switch is placed in the high position (60 Hz operation).

F. Low Oil Pressure Warning LED — When on, indicates that the engine oil pressure has dropped to 14.2 psi (98 kPa). This condition will cause the engine to shutdown.

G. High Temperature Warning LED — When on, indicates that the engine coolant has exceeded 212°F (100°C). This condition will cause the engine to shutdown.

H. Over Crank Warning LED — When on, indicates that the generator has attempted to start and failed after 3 attempts. The intervals between the 3 start cycles is approximately 10 seconds.

I. Over Speed LED — When on, indicates that the engine is operating at an unsafe speed. This condition will cause the engine to shutdown.

J. Engine Started Status LED — When on, indicates that the generator is operating normally.

2. Main Circuit Breaker — This three-pole, 110 amp main breaker is provided to protect the U,V, and W Output Terminal Lugs from overload.

3. Panel Light Switch — When activated will turn on control panel light.

4. Panel Light — For operation at night, panel light illuminates control panel for ease of reading meters and gauges. Make sure panel light switch is in the OFF position when light is not in use.

5. Voltage Regulator Control — Allows ±15% manual adjustment of the generator’s output voltage.

6. Ammeter Change-Over Switch — This switch allows the AC ammeter to indicate the current flowing to the load connected to any phase of the output terminals, or to be switched off. This switch does not effect the generator output in any fashion, it is for current reading only.

7. Voltmeter Change-Over Switch — This switch allows the AC voltmeter to indicate phase to phase voltage between any two phases of the output terminals or to be switched off.

8. Frequency Meter — Indicates the output frequency in hertz (Hz). Normally 60 Hz.

9. AC Ammeter — Indicates the amount of current the load is drawing from the generator per leg selected by the ammeter phase-selector switch.

10. AC Voltmeter — Indicates the output voltage present at the U,V, and W Output Terminal Lugs.

11. Fuel Leak Detected Alarm Lamp — This lamp when ON indicates that fluids in the containment area have reach a high level.

12. Diagnostic Warning Lamp — This lamp will turn on when an engine fault has occured. Refered to engine fault diagnostics table.

13. Hour Meter — Indicates amount of time generator has been in use.

14. Pre Heat Lamp — This lamp will illuminate to indicate preheating of the engine glow plugs. When the lamp turns off, this indicates that the preheat cycle is complete and the engine will start automatically.

15. Auto/Start Switch — This switch selects either manual or automatic operation. Center position is OFF (reset).

16. Engine Speed Switch — This switch controls the speed of the engine (low/high).

ENGINE/GENERATOR CONTROL PANEL

PAGE 18 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

OUTPUT TERMINAL PANEL FAMILIARIZATION

OUTPUT TERMINAL PANEL

The Output Terminal Panel (Figure 5) shown below is located on the right-hand side (left from control panel) of the generator. Lift up on the cover to gain access to receptacles and terminal lugs.

NOTICE

Terminal legs “O” and “Ground” are considered bonded grounds

OUTPUT TERMINAL FAMILIARIZATION

The “Output Terminal Panel ” (Figure 5) is provided with the following:

� Three 240/139V output receptacles @ 50 amps

� Three Aux. Circuit Breakers @ 50 amps

� Two 120V GFCI receptacles @ 20 amp

� Two GFCI Circuit Breakers @ 20 amps

� Five Output Terminal Lugs ( U, V, W, O, Ground)

AUX. POWER RECEPTACLES

240/139V, 50 AMPS

120 VAC, 20 AMP

GFCI RECEPTACLES

Y

XW

CS-6369

TWIST-LOCK

CIRCUIT BREAKERS

FOR GFCI RECEPTACLES

RECEPTACLE

AND

CIRCUIT BREAKER

PANEL

M Q

PO

W

ER

ACCESS DOOR

LIFT TO OPEN

HARD WIRE

HOOKUP PANEL

OU V W

BLACK RED BLUE WHITE GREEN

1Ø AND 3Ø,

480 -120 VAC

OUTPUT TERMINALS

NEUTRAL

TERMINAL

GROUND

TERMINAL

CIRCUIT BREAKERS

FOR CS-6369 TWIST

LOCK RECEPTACLES

Figure 5. Output Terminal Panel

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 19

120 VAC GFCI Receptacles

There are two 120 VAC, 20 amp GFCI (Duplex Nema 5-20R) receptacles provided on the output terminal panel. These receptacles can be accessed in any voltage selector switch configuration. Each receptacle is protected by a 20 amp circuit breaker. These breakers are located directly above the GFCI receptacles. Remember the load output (current) of both GFCI receptacles is dependent on the load requirements of the U, V, and W output terminal lugs.

Pressing the reset button resets the GFCI receptacle after being tripped. Pressing the test button (See Figure 6) in the center of the receptacle will check the GFCI function.

Both receptacles should be tested at least once a month.

Figure 6. G.F.C.I. Receptacle

Twist Lock Dual Voltage 120/240 VAC Receptacles

There are three 240/139V, 50 amp auxiliary twist-lock (CS- 6369) receptacles (Figure 7) provided on the output terminal panel. These receptacles can only be accessed when the voltage selector switch is configured for single-phase 240/120 application

Figure 7. 240/139V Twist-Lock Auxiliary Receptacles

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 receptacles is dependent on the load requirements of the output terminal lugs.

Turn the voltage regulator control knob (Figure 8) on the control panel to obtain the desired voltage. Turning the knob clockwise will increase the voltage, turning the knob counter-clockwise will decrease the voltage.

Figure 8. Voltage Regulator Control Knob

Removing the Plastic Face Plate (Hard Wire Hookup Panel)

The Output Terminal Lugs are protected by a plastic face plate cover (Figure 9). Un-screw the securing bolts and lift the plastic terminal cover to gain access to the terminal enclosure.

After the load wires have been securely attached to the terminal lugs, reinstall the plastic face plate.

Figure 9. Plastic Face Plate (Output Terminal Lugs)

PAGE 20 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

Connecting Loads

Loads can be connected to the generator by various methods, output terminal lugs, camlocks or the convenience receptacles (Figure 10). Make sure to read the operation manual before attempting to connect a load to the generator.

To protect the output terminals from overload, a 3-pole, 110A main circuit breaker is provided. Make sure to switch ALL circuit breakers to the OFF position prior to starting the engine.

Figure 10. Connecting Loads

U

V

W

LOAD

O

NEUTRAL

GROUND

HARD WIRE

HOOKUP PANEL

LOAD

GFCI

RECEPTACLE

LOAD

CS-6369

TWIST-LOCK

RECEPTACLES

CAMLOCKS (OPTION)

Over Current Relay

An over current relay (Figure 11) is connected to the main circuit breaker. In the event of an overload, both the circuit breaker and the over current relay may trip. If the circuit breaker can not be reset, the reset button on the over current relay must be pressed. The over current relay is located in the control box.

Figure 11. Over Current Relay

NOTICE

Remember the overcurrent relay monitors the current flowing from the U,V, and W Output Terminal Lugs to the load.

In the event of a short circuit or over current condition, it will automatically trip the 110 amp main breaker.

To restore power to the Output Terminal Panel, press the reset button on the overcurrent relay and place the main circuit breaker in the closed position (ON).

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 21

LOAD APPLICATION

SINGLE PHASE LOAD

Always be sure to check the nameplate on the generator and equipment to insure the wattage, amperage, frequency, and voltage requirements are satisfactorily supplied by the generator for operating the equipment.

Generally, the wattage listed on the nameplate of the equipment is its rated output. Equipment may require 130—150% more wattage than the rating on the nameplate, as the wattage is influenced by the efficiency, power factor and starting system of the equipment.

WATTS = VOLTAGE x AMPERAGE

The power factor of this generator is 0.8. See Table 5 below when connecting loads.

Table 6. Cable Selection (60 Hz, Single Phase Operation)

Current in

Amperes

Load in Watts Maximum Allowable Cable Length

At 100 Volts

At 200 Volts #10 Wire #12 Wire #14 Wire #16 Wire

2.5 300 600 1000 ft. 600 ft. 375 ft. 250 ft.

5 600 1200 500 ft. 300 ft. 200 ft. 125 ft.

7.5 900 1800 350 ft. 200 ft. 125 ft. 100 ft.

10 1200 2400 250 ft. 150 ft. 100 ft.

15 1800 3600 150 ft. 100 ft. 65 ft.

20 2400 4800 125 ft. 75 ft. 50 ft.

CAUTION: Equipment damage can result from low voltage

NOTICE

If wattage is not given on the equipment’s nameplate, approximate wattage may be determined by multiplying nameplate voltage by the nameplate amperage.

Table 5. Power Factor By Load Type of Load Power Factor

Single-phase induction motors 0.4-0.75

Electric heaters, incandescent lamps 1.0 Fluorescent lamps, mercury lamps 0.4-0.9 Electronic devices, communication equipment 1.0

Common power tools 0.8

THREE PHASE LOAD

When calculating the power requirements for 3-phase power use the following equation:

An inadequate size connecting cable which cannot carry the required load can cause a voltage drop which can burn out the appliance or tool and overheat the cable. See Table 6.

�When connecting a resistance load such as an incandescent lamp or electric heater, a capacity of up to the generating set’s rated output (kW) can be used.

�When connecting a fluorescent or mercury lamp, a capacity of up to the generating set’s rated output (kW) multiplied by 0.6 can be used.

�When connecting an electric drill or other power tools, pay close attention to the required starting current capacity.

When connecting ordinary power tools, a capacity of up to the generating set’s rated output (kW) multiplied by 0.8 can be used.

NOTICE

If 3Ø load (kVA) is not given on the equipment nameplate, approximate 3Ø load may be determined by multiplying voltage by amperage by 1.732

NOTICE

Motors and motor-driven equipment draw much greater current for starting than during operation.

DANGER

Before connecting this generator to any building’s electrical system, a licensed electrician must install an isolation (transfer) switch. Serious damage to the building’s electrical system may occur without this transfer switch.

PAGE 22 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

GENERATOR OUTPUTS

GENERATOR OUTPUT VOLTAGES

A wide range of voltages are available to supply voltage for many different applications. Voltages are selected by using the voltage selector switch (Figure 12). To obtain some of the voltages as listed in Table 7 (see below) will require a fine adjustment using the voltage regulator (VR) control knob located on the control panel.

Voltage Selector Switch

The voltage selector switch (Figure 12) is located above the output terminal panel’s Hard Wire Hook-up Panel. It has been provided for ease of voltage selection..

Figure 12. Voltage Selector Switch

CAUTION

NEVER change the position of the voltage selector Switch while the engine is running. ALWAYS place circuit breaker in the OFF position before selecting voltage.

Table 7. Voltages Available UVWO Output Terminal Lugs

Voltage Selector Switch 3-Phase 240/139V Position

Voltage Selector Switch 3-Phase 480/270V Position

3Ø Line-Line 208V 220V 240V 416V 440V 480V

1Ø Line-Neutral 120V 127V 139V 240V 254V 277V

Voltage Selector Switch Single-Phase 240/120V Position

1Ø Line-Neutral/ Line-Line

120V Line-Neutral N/A N/A 240V

Line-Line N/A N/A

Maximum Amps

Table 8 shows the maximum amps the generator can provide. DO NOT exceed the maximum amps as listed.

GFCI Receptacle Load Capability

The load capability of the GFCI receptacles is directly related to the voltage being supplied at either the output terminals or the three twist lock auxiliary receptacles.

Figure 15 and Table 10 show what amount of current is available at the GFCI receptacles when the output terminals and twist lock receptacles are in use. Be careful that your load does not to exceed the available current capability at the receptacles.

Table 8. Generator Maximum Amps

Rated Voltage Maximum Amps

1Ø 120 Volt 100 amps (4 wire) 108 amps X 2 (Zigzag)

1Ø 240 Volt 50 amps (4 wire) 108 amps (Zigzag)

3Ø 240 Volt 108 amps

3Ø 480 Volt 54 amps

Table 9. 1Ø GFCI Receptacle Load Capacity

KW in Use Twist Lock (C6369)

Available Load Current (Amps)

1Ø 240/120V GFCI Duplex 5-20R 120V

26 0

24.8 5 amps/receptacle

23.6 10 amps/receptacle

22.4 15 amps/receptacle

21.2 20 amps/receptacle

Table 10. 3Ø Generator Maximum Amps

KVA in Use (UVWO Terminals)

Available Load Current (Amps)

3Ø 240/480V GFCI Duplex 5-20R 120V

45 0 amps/receptacle

40.9 5 amps/receptacle

36.7 10 amps/receptacle

32.6 15 amps/receptacle

28.4 20 amps/receptacle

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 23

GENERATOR OUTPUTS/GAUGE READING

HOW TO READ THE AC AMMETER AND AC

VOLTAGE GAUGES

The AC ammeter and AC voltmeter gauges are controlled by the AC ammeter and AC voltmeter change-over switches.

Both of these switches are located on the control panel and DO NOT effect the generator output. They are provided to help observe how much power is being supplied, produced at the UVWO terminals lugs.

Before taking a reading from either gauge, set the Voltage Selector switch (Figure 13) to the position which produces the required voltage (For example, for 3Ø 240V, choose the center 3Ø 240/139V position on the voltage selector switch.

Figure 13. Voltage Selector Switch- 240/3Ø Position

AC Voltmeter Gauge Reading

Place the AC Voltmeter Change-Over Switch (Figure 14) in the W-U position and observe the phase to phase voltage reading between the W and U terminals as indicated on the AC Voltmeter Gauge (Figure 15).

Figure 14. AC Voltmeter Change-Over Switch

Figure 15. AC Voltmeter Gauge (Volt reading on W-U Lug)

AC Ammeter Gauge Reading

Place the AC Ammeter Change-Over Switch (Figure 16) in the U position and observe the current reading (load drain) on the U terminal as indicated on the AC Ammeter Gauge (Figure 17). This process can be repeated for terminals V and W.

Figure 16. AC Ammeter Change-Over Switch

Figure 17. AC Ammeter (Amp reading on U Lug)

NOTICE

The ammeter gauge will only show a reading when the Output Terminal Lugs are connected to a load and in use.

PAGE 24 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

OUTPUT TERMINAL PANEL CONNECTIONS

UVWO TERMINAL OUTPUT VOLTAGES

Various output voltages can be obtained using the UVWO output terminal lugs. The voltages at the terminals are dependent on the position of the Voltage Selector Switch and the adjustment of the Voltage Regulator Control Knob.

Remember the voltage selector switch determines the range of the output voltage. The voltage regulator (VR) allows the user to increase or decrease the selected voltage.

3Ø-240V UVWO Terminal Output Voltages

1. Place the voltage selector switch in the 3Ø 240/139 position as shown in Figure 18.

Figure 18. Voltage Selector Switch 3Ø-240/139V Position

2. Connect the load wires to the UVWO terminals as shown in Figure 19.

Figure 19. UVWO Terminal Lugs

3. Turn the voltage regulator knob (Figure 20) clockwise to increase voltage output, turn counterclockwise to decrease voltage output. Use voltage regulator adjustment knob whenever fine tuning of the output voltage is required.

Figure 20. Voltage Regulator Knob

3Ø-208V/1Ø-120V UVWO Terminal Output Voltages

1. Place the voltage selector switch in the 3Ø 240/139 position as shown in Figure 18.

2. Connect the load wires to the UVWO terminals as shown in Figure 21.

Figure 21. UVWO Terminal Lugs 3Ø-208/1Ø-120V Connections

NOTICE

To achieve a 3Ø 208V output the voltage selector switch must be in the 3Ø-240/139 position and the voltage regulator must be adjusted to 208V.

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 25

OUTPUT TERMINAL PANEL CONNECTIONS

3Ø-480/277V UVWO Terminal Output Voltages

1. Place the voltage selector switch in the 3Ø 480/277 position as shown in Figure 22.

Figure 22. Voltage Selector Switch 3Ø-480/277V Position

2. Connect the load wires to the UVWO terminals as shown in Figure 23.

Figure 23. UVWO Terminal Lugs 3Ø-480V Connections

NOTICE

ALWAYS make sure that the connections to the UVWO terminals are secure and tight. The possibility of arcing exists, that could cause a fire.

1Ø-240/120V UVWO Terminal Output Voltages

1. Place the voltage selector switch in the 1Ø 240/120 position as shown in Figure 24.

Figure 24. Voltage Selector Switch 1Ø-240/120V Position

2. Connect the load wires to the UVWO terminals as shown in Figure 25.

Figure 25. UVWO Terminal Lugs 1Ø-240/120V Connection

3. Turn the voltage regulator knob (Figure 20) clockwise to increase voltage output, turn counterclockwise to decrease voltage output. Use voltage regulator adjustment knob whenever fine tuning of the output voltage is required.

PAGE 26 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

CIRCUIT BREAKERS

To protect the generator from an overload, a 3-pole, 110 amp, main circuit breaker is provided to protect the U,V, and W Output Terminals from overload. In addition two single-pole, 20 amp GFCI circuit breakers are provided to protect the GFCI receptacles from overload. Three 50 amp load circuit breakers have also been provided to protect the auxiliary receptacles from overload. Make sure to switch ALL circuit breakers to the OFF position prior to starting the engine.

LUBRICATION OIL

Fill the engine crankcase with lubricating oil through the filler hole, but DO NOT overfill. Make sure the generator is level and verify that the oil level is maintained between the two notches (Figure 26) on the dipstick. See Table 11 for proper selection of engine oil.

Figure 26. Engine Oil Dipstick

When checking the engine oil, be sure to check if the oil is clean. If the oil is not clean, drain the oil by removing the oil drain plug, and refill with the specified amount of oil as outlined in the John Deere Engine Owner’s Manual. Oil should be warm before draining.

Delo® engine oil is the recommended engine oil for this generator. When replacing engine oil please refill using Delo® 400 LE SAE 15W-40 (API CJ-4) engine oil.

FUEL CHECK

Table 11. Recommended Motor Oil

Refilling the Fuel System

This generator may have a fuel tank (Figure 27) located inside the trailer frame. ALWAYS fill the fuel tank with clean fresh #2 diesel fuel. DO NOT fill the fuel tank beyond its capacity.

Pay attention to the fuel tank capacity when replenishing fuel. The fuel tank cap must be closed tightly after filling.

Handle fuel in a safety container. If the container does not have a spout, use a funnel. Wipe up any spilled fuel immediately.

Figure 27. Trailer Mounted Fuel Tank

DANGER

Fuel spillage on a hot engine can cause a fire or explosion. If fuel spillage occurs, wipe up the spilled fuel completely to prevent fire hazards. NEVER smoke around or near the generator.

CAUTION

ONLY properly trained personnel who have read and understand this section should refill the fuel tank system.

FUEL TANK

FUEL TANK

CAP

INSPECTION/SETUP

DCA45SSIU4F 60 HZ GENERATOR• OPERATION MANUAL — REV. #3 (01/16/18) — PAGE 27

Refueling Procedure:

1. Level Tanks — Make sure fuel cells are level with the ground. Failure to do so will cause fuel to spill from the tank before reaching full capacity (Figure 28).

Figure 28. Only Fill on Level Ground

2. Open cabinet doors on the “right side” of the generator (from generator control panel position). Remove fuel cap and fill tank (Figure 29).

Figure 29. Fueling the Generator

WARNING

Diesel fuel and its vapors are dangerous to your health and the surrounding environment. Avoid skin contact and/or inhaling fumes.

CAUTION

ALWAYS place trailer on firm level ground before refueling to prevent spilling and maximize the amount of fuel that can be pumped into the tank.

Level Ground Unlevel Ground =

Level Ground Unlevel Ground

DO NOT fill on unlevel ground

NOTICE

ONLY use #2 diesel fuel when refueling.

3. NEVER overfill fuel tank — It is important to read the fuel gauge when filling trailer fuel tank. DO NOT wait for fuel to rise in filler neck (Figure 30).

Figure 30. Full Fuel Tank

Figure 31. Fuel Expansion

CAUTION

DO NOT OVERFILL fuel system. Leave room for fuel expansion. Fuel expands when heated (Figure 31).

PAGE 28 — DCA45SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (01/16/18)

COOLANT (ANTIFREEZE/SUMMER COOLANT/

WATER)

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 Engine Owner’s Manual for further details.

Day-to-day addition of coolant is done from the recovery tank.