DCA-20SPX — ENGINE OPERATING PANEL

The definitions below describe the controls and functions of the DCA-20SPX Engine Operating Panel (Figure 7).

1.Panel Light – Normally used in dark areas or at night time. When activated, panel lights will illuminate. When the generator is not in use be sure to turn the panel light switch to the OFF position.

2.Panel Light Switch – When activated will turn on control panel light.

3.Oil Pressure Gauge – During normal operation this gauge be should read between 35 to 65 psi. (241~448 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.

4.WaterTemperature Gauge – During normal operation this gauge should read between 180° and 221°F (82° ~105°C)

5.Charging Ammeter Gauge – Indicates the current being supplied by the engine’s alternator which provides current for generator’s control circuits and battery charging system.

6.Fuel Gauge - Indicates amount of diesel fuel available.

7.Tachometer – Indicates engine speed in RPM’s for 60 Hz operation. This meter should indicate 1800 RPM’s when the rated load is applied. In addition a built in hour meter will record the number of operational hours that the generator has been in use.

8.Fuel Filter Water Level Alarm Lamp– This lamp will illuminate when an excessive amount of water has accumulated in fuel filter. Drain water in the strainer immediately if this lamp is on.

9.Auto On/Off Engine Controller (MPEC) –

This controller has a vertical row of status LED's (inset), that when lit, indicate that an engine malfunction (fault) has been detected. When a fault

has been detected the engine controller will evaluate the fault and all major faults will shutdown the generator. During cranking cycle , The MPEC will attempt to crank the engine for 10 seconds before disengaging.

If the engine does not engage (start) by the third attempt, the engine will be shutdown by the engine controller’s Over Crank Protection mode. If the engine engages at a speed (RPM's) that is not safe, the controller will shutdown the engine by initializing the Over Speed Protection mode.

Also the engine controller will shut down the engine in the event of low oil pressure, high coolant temperature, low coolant level, and loss of magnetic pickup.These conditions can be observed by monitoring the LED status indicators on the front of the controller module.

A.MPEC Control Switch – This switch controls the running of the unit. If this switch is set to the OFF/RESET position, the unit will not run. When this switch is set to the MANUAL position, the generator will start immediately.

If the generator is to be connected to a building’s AC power source via an automatic transfer switch (isolation), place the switch in the AUTO position. In this position, should an outage occur, the automatic transfer switch (ATS) will start the generator automatically via the generator’s auto-start contacts connected to the ATS’s start contacts. Please refer to your ATS installation manual for further instructions for the correct installation of the auto-start contacts of the generator to the ATS.

B.Low Oil Pressure – Indicates the engine pressure has fallen below 14 psi (97 kPa).The oil pressure is detected using variable resistive values from the oil pressure sending unit. This is considered a major fault.

C.High Coolant Temperature – Indicates the engine temperature has exceeded 221°F. (105°C).The engine temperature is detected using variable resistive values from the temperature sending unit. This is considered a major fault.

D.Overcrank Shutdown – Indicates the unit has attempted to start a pre- programmed number of times, and has failed to start. The number of cycles and duration are programmable. It is pre-set at 3 cycles with a 10 second duration. This is considered a major fault.

E.Overspeed Shutdown – Indicates the engine is running at an unsafe speed. This is considered a major fault.

F.Engine Running – Indicates that engine is running at a safe operating speed.

DCA-20SPX— OPERATION AND PARTS MANUAL — REV. #2 (04/14/10) — PAGE 25

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Multiquip operation manual DCA-20SPX Engine Operating Panel, Auto On/Off Engine Controller Mpec
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DCA-20SPX specifications

The Multiquip DCA-20SPX is a versatile and robust portable generator designed to meet the power demands of various applications, from construction sites to outdoor events. Boasting a compact and lightweight design, this generator is engineered to offer exceptional performance in a multitude of environments.

One of the standout features of the DCA-20SPX is its reliable power output. Powered by a reliable diesel engine, the generator delivers a continuous output of 20 kVA, making it suitable for both small and medium-sized operations. This generator is particularly favored for its efficient fuel consumption, allowing users to operate for extended periods without frequent refueling.

Another key characteristic of the DCA-20SPX is its advanced inverter technology, ensuring stable and clean power suitable for sensitive electronic equipment. This technology effectively minimizes harmonic distortion, providing an output that is safe for powering computers, medical devices, and other electronics requiring a stable power supply.

The generator’s user-friendly control panel is designed for ease of operation. It features clear displays and intuitive controls, allowing operators to monitor key performance indicators like voltage, frequency, and hour meter with ease. Additionally, the panel includes multiple outlet options, accommodating various plug types, which enhances its versatility on job sites.

Durability is a hallmark of the Multiquip DCA-20SPX’s design. The generator is built with a sturdy steel frame and finished with weather-resistant coatings, enabling it to withstand the rigors of outdoor usage in challenging conditions. Its integrated handling features, such as fork pockets and lifting eyes, also facilitate easy transport and setup.

For user safety, the DCA-20SPX is equipped with essential protection features. It includes low oil shutdown, overload protection, and thermal shutdown, which collectively safeguard the generator from potential damage, ensuring long operational life and reliability.

Overall, the Multiquip DCA-20SPX excels in providing reliable energy solutions for various applications, adorned with advanced technologies, user-friendly features, and a robust build. Whether for construction, emergency power supply, or remote events, it stands as a trusted ally for those who require efficient and dependable power on demand.
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