White Lightning M1428-DV Manual de Usario

White Lightning No categorizado M1428-DV

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M-Series Operator’s Manual
Model M1428-DV, Dual Voltage 14/28-Volt Mini-GPU
IMPORTANT DISCLAIMERS & LIABILITY LIMITATIONS
As a condition for use, Audio Authority Corp. authorizes this device for use ONLY by aviation
professionals, such as licensed pilots and maintenance technicians, knowledgeable about the
aircraft’s electrical system and batteries. The concepts, recommendations, and instructions in this
manual are necessarily general and make assumptions that may not apply to your aircraft. Therefore,
incorrect use of this device has the potential to damage the GPU and/or aircraft components.
The device is designed exclusively for aircraft either and a with a - 14 or 28 VDC electrical system
factory-installed external power receptacle for a 3- -pin oval AN2551 plug. (NATO) If your 14 volt
aircraft is experimental and does not have an external power receptacle, a wiring kit and matching
output cable are available at additional cost. Call our factory for assistance.
It is the operator’s sole responsibility to read completely and fully understand this manual, plus all
available documentation on their aircraft’s electrical system design, to properly determine the
appropriate use of this, or any, external power source. If you cannot do this, do not use this
product. Instead, consult a qualified technician familiar with your specific aircraft type and
configuration before connecting the GPU to your aircraft, or return it to the seller before using.
M- - - 3 2 Series M1428 DV GPU Manual P/N 752 79 , Rev 20220801
General Description and Application
The M1428 Mini- DV - - y GPU is a specialized switching mode power suppl designed to provide pilots and
aviation maintenance professionals with a portable, affordable source of stable, high current, noise- -free
DC power that replicates the in-flight electrical environment. It contains discrete outputs for either 14 or
28- volts DC, selectable by a front panel switch. It only provides one output voltage switchat a time, -
selected and indicated by the front panel voltmeter display. The GPU’s intended purpose is to energize
an aircraft’s main electrical bus without using the ship’s battery or engine. It will safely provide
continuous power for the most delicate electronics and airframe systems up to its full rated output.
Typical Uses
● power avionics for flight planning, familiarization, and training
● update flight deck database and software
● troubleshooting and maintenance
FRONT PANEL VIEW REAR PANEL VIEW
Special Features
● Color- - . coded, keyed SB 50 type output connection to prevent accidental voltage mismatch
( YELLOW designates 12/14 volt compatibility, RED designates 24/28 volt compatibility)
● Dual digital output meters for voltage and amperage (load)
● Front panel status indicator LED
● Programmable auto- shutdown timer and dual USB power ports for mobile device charging
● QuietFiltered™ output for interference-free COM radio operation
● Auto protection/recovery from short circuit, reverse polarity, over voltage/load/temperature
Operating Conditions and Limitations
The M1428- -DV is internally fan cooled and relies on unobstructed ventilation access for proper
operation. The GPU should operate on a clean, hard surface so that debris cannot be ingested. Its
design assumes a dry operating environment. If used outdoors, it is the operator’s responsibility to
ensure that the unit is not exposed to moisture.
The M1428- DV is designed to provide airframe power only. It is not a battery charger. It does not
monitor the state- -of charge of the aircraft battery. It is not suitable for engine starting.
M- - - 3 3 Series M1428 DV GPU Manual P/N 752 79 , Rev 20220801
Safety Precautions
● Do not use this or any electrical device near uncontained fuel or fuel vapors.
● Use in a well- ventilated area.
● Do not use in a wet environment.
● Do not use in the presence . of open fuel containers or if fuel vapors are detected
● Disconnect GPU from aircraft when not in use.
● Do not leave unattended while in use.
Connecting GPU to Aircraft
● Connect the GPU - - AC input cord to a grounded power receptacle, 90 240VAC, 50 60Hz.
● Connect the output cable to the GPU front panel receptacle.
● Turn GPU power switch ON; observe on the output display.as proper voltage stabilizes
● Connect GPU output cable to aircraft’s external power receptacle; observe that the airframe is
energized and shows a stable load of less than the GPU ltage or current load ’s rated output. If vo
are not as expected, or GPU status indicator is flashing or red, disconnect the GPU from the
airframe and investigate the problem.
SAFETY TIP: Using the GPU during preflight allows time for a thorough inspection of all systems
and lights, without depleting the aircraft battery. In fact, if the battery is switched in circuit with the -
external power, it will provide a “top- off” charge for the aircraft battery. (Not to exceed 15 minutes.)
Status Indicator
The GPU incorporates a status indicator between the volt/amp meter and the output connector.
Indications are interpreted as follows:
OFF
Power Switch OFF, or no AC input power
GREEN
ON or powered, normal operation
FLASHING GREEN
- Auto shutdown engaged
FLASHING RED
– Fault condition see troubleshooting table for more details
Automatic Shutdown Timer
The M1428- DV features a programmable timer to automatically shut down the GPU after a period of
time in use, as selected by the user. This is to prevent the GPU from inadvertently being left on for an
extended period and potentially overcharging the aircraft’s battery, if in circuit with the GPU. -
A 10-position rotary switch on the back panel determines the duration of continuous operation. Each
number represents hour. This switch is factory set at 5 (2.5 hours); adjust with a small screwdriver. To ½
disable the auto- shutdown feature, set the switch to the 0 position.
To reset the timer and restart the GPU after auto- shutdown, cycle the power switch OFF then back ON.
USB Mobile Device Charging
Two convenience USB charging ports are provided on the rear panel of the GPU. These provide a 5VDC
output, up to 2A total combined, suitable for charging many portable devices like phones and speakers.

Especificaciones del producto

Marca: White Lightning
Categoría: No categorizado
Modelo: M1428-DV

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