DCA-400SPK — CONTROL PANEL

 

 

The definitions below describe the controls and functions of

If the engine does not engage (start) by the third attempt,

the DCA-400SPK " Control Panel " (Figure 8).

the engine will be shutdown by the MPEC's " Over Crank

1.

Pilot Lamp – Indicates that the generator is working

Protection" mode. If the engine engages at a speed (RPM's)

 

properly.

that is not safe, the MPEC will shutdown the engine by

 

initializing the "Over Speed Protection" mode.

2.

Panel Light – Normally used in dark areas or at night

Also the MPEC will shutdown the generator in the event of

 

time. When activated, panel lights will illuminate. When

 

low oil pressure, high coolant temperature, low coolant level,

 

the generator is not in use be sure to turn the panel

 

and loss of magnetic pickup. These conditions can be

 

light switch to the OFF position.

 

observed by monitoring the LED status indicators on the

3.

Frequency Meter – Indicates the output frequency in

front of the MPEC module.

 

 

hertz (Hz). Normally 60 Hz ±1 Hz .

 

 

A.

Off/Manual/Auto Switch

This switch controls the

4.

AC Ammeter – Indicates the amount of current the

 

running of the generator. If this switch is left in the "OFF"

 

load is drawing from the generator.

 

position, the generator will not run. When this switch is

5.

AC Voltmeter – Indicates the single phase output

 

set to the manual position, the generator will start

 

voltage present at the UVW terminals.

 

immediately.

 

6.

Ammeter Change-Over Switch – This switch allows

 

If the generator is to be connected to a building's AC

 

the AC ammeter to indicate the current flowing to the

 

power source via a transfer switch (isolation), place

 

load connected to any phase of the output terminals, or

 

the switch in the auto position. In this position the

 

to be switched off.

 

generator will monitor the

AC line output from the

 

 

building's power source.

 

7.

Voltmeter Change-Over Switch – This switch allows

 

 

B.

Low Oil Pressure – Indicates the engine pressure

 

the AC voltmeter to indicate phase to phase voltage

 

 

 

 

between any two phases of the output terminals or to

has fallen below 15 psi. The oil pressure is detected

using variable resistive values from the oil pressure

be switched off.

sending unit. This is considered a major fault.

 

8.Panel Light Switch – When activated will turn on control

 

panel light.

C.

High Coolant Temperature

Indicates the engine

 

 

temperature has exceeded 215°F. The engine

9.

Voltage Regulator Control – Allows

manual

temperature is detected using variable resistive values

 

adjustment of the generator’s output voltage.

 

 

 

from the temperature sending unit. This is considered

10.

MPEC – Microprocessor

 

a major fault.

 

 

Engine Control Module –

D.

Overcrank Shutdown – Indicates the unit has

 

(MPEC) has a vertical row

 

attempted to start a pre- programmed number of times,

 

of status LED's (Figure 9),

 

and has failed to start. The number of cycles and

 

that when lit, indicate that an

 

duration are programmable.Typical programmable start

 

engine malfunction (fault),

 

settings is 3 cycles with a 10 second duration .This is

 

has been detected. When a

 

considered a major fault.

 

 

fault has been detected the

E.

Overspeed Shutdown –

Indicates the engine is

 

MPEC will evaluate the fault

 

 

running at an unsafe speed.This is considered a major

 

and if the fault is major will

 

 

 

fault.

 

 

shutdown the generator.

 

 

 

 

 

 

 

Figure 9. MPEC ModuleF.

Engine Running – Indicates that engine is running at

During cranking cycle , The MPEC will attempt to crank the

a safe operating speed.

 

 

 

engine for 10 seconds before disengaging.

11. Main Circuit Breaker – This three-pole, 800 amp main breaker is provided to protect the UVW voltage output terminals from overload.

DCA-400SPK — PARTS AND OPERATION MANUAL — REV. #0 (06/19/01) — PAGE 31

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Multiquip DCA-400SPK operation manual Voltage Regulator Control Allows, Mpec Microprocessor, Engine Control Module

DCA-400SPK specifications

The Multiquip DCA-400SPK is a powerful and versatile diesel generator designed to meet the demands of both commercial and industrial applications. Known for its robust performance and reliable operation, this generator is engineered to provide consistent power in various environments, making it a go-to solution for contractors, events, and emergency backup needs.

One of the DCA-400SPK's standout features is its Cummins QSB6.7 engine, which provides 400 kVA (kilovolt-amps) of output. This engine is renowned for its fuel efficiency and durability, ensuring that users get the most out of their investment without frequent refueling. The generator is also equipped with a two-pole alternator that contributes to its ability to handle heavy loads without compromising performance.

Another notable characteristic of the DCA-400SPK is its advanced control panel. The generator comes with a fully digital control system that offers real-time monitoring and control of the generator’s functions. This includes features such as automatic voltage regulation (AVR), which ensures stable output voltage, and can be vital for protecting sensitive electronic equipment from power fluctuations.

In terms of sound attenuation, the DCA-400SPK is designed with a sound-attenuated canopy that significantly reduces noise levels during operation. This makes it suitable for use in residential areas or other noise-sensitive locations, allowing for operation without disturbing the surrounding community.

For ease of transport, the generator includes a sturdy frame and is equipped with forklift pockets and lifting hooks. This enhances its portability, making it easier to move from one job site to another. Additionally, the unit offers comprehensive connectivity options, allowing it to interface with remote monitoring systems, which can be essential for maintenance and operational oversight.

The Multiquip DCA-400SPK also features an environmentally friendly design, with a low oil shutdown feature and a robust fuel containment system to prevent spills. This not only ensures compliance with environmental regulations but also enhances the safety of operation.

Overall, the DCA-400SPK stands out as a reliable, efficient, and user-friendly generator that meets the stringent demands of the modern world, making it a preferred choice among professionals in various industries.