MMLP-150LED-RT-12P
Larson Electronics, LLC
Phone: (800) 369-6671
Fax: (903) 498-3364
www.larsonelectronics.com
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150 Watt Temporary Manhole Mount Explosion Proof LED Fixture
Tank Nozzle Mount Lighting - 12" Drop
Instruction Manual
This explosion proof light is designed for illumination of industrial locations. It uses the latest in
solid state lighting technology for long life, low maintenance, and high efficiency.
The unique design focuses the light where it is needed most, giving improved efficiency over a
conventional HID luminaire.
An internal, universal input, power-factor-corrected switch-mode supply allows it to be used from any
nominal voltage within range for the model purchased. Voltage options include 100-277V AC 50/60
Hz or 11-25 Volts AC/DC. Voltage option is selected during purchase. There is no variation in light
output between voltages.
WARNING
To avoid the risk of fire, explosion or electric shock, this product should be installed, inspected
and maintained by a qualified electrician only, in accordance with all applicable electrical codes.
To avoid electric shock:
•
Be certain electrical power is OFF before and during installation and maintenance.
•
Luminaire must be connected to a wiring system with an equipment-grounding conductor.
To avoid explosion:
•
Make sure the supply voltage is within the luminaires’ voltage rating.
•
Ensure the marked T rating is less than the ignition temperature of the Hazardous
Atmosphere.
•
Do not operate in ambient temperatures above those indicated on the luminaire nameplate.
•
Do not operate if the lens is cracked or damaged. All fasteners should be properly seated.
For supply connections, use wire rated for at least 110°C
Recommended mounting height is 25-40 feet.
MOUNTING
This fixture is designed to be mounted through a 21” man-hole opening. This mounting system
provides an extremely versatile lighting option for those working in confined spaces such as rail cars,
storage tanks, ship tanks and the like where entry is through a 21" man-way opening. The light is
suspended 12" from the lip to lower the light source into the tank.
Lift fixture and place through manhole opening. Run cord to matching receptacle to energize fixture
and illuminate the work area. The light is instant-on and will illuminate once power is supplied. Ensure
no one is staring directly into the light prior to energizing.
