EPL-HB-3X150LED-RTLarson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 1 of 2Class 1 Division 1 Explosion Proof 450 Watt High Bay LED LightFixture - Paint Spray Booth ApprovedInstruction ManualThis explosion proof light is designed for illumination of industrial locations. It uses the latest insolid state lighting technology for long life, low maintenance and high efficiency.The unique design focuses the light where it is needed, giving improved efficiency over aconventional HID luminaire.An internal, universal input, power-factor-corrected switch-mode supply allows it to be used from anynominal 100-277V AC 50/60 Hz power supply without any variation in light output.WARNINGTo avoid the risk of fire, explosion or electric shock, this product should be installed, inspectedand 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 HazardousAtmosphere.• 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 15-25 feet.MOUNTINGThis fixture offers an adjustable mounting system that allows it to be mounted to anyflat surface including walls and ceilings. Three heavy duty bolts are used to mount the fixture to thesurface through predrilled holes on mount. Hole diameter is .563”. Fixture is heavy - two people andcapable equipment are required for hanging fixture.Fixture angle can be adjusted by loosening the set screws on either side of mount. Swap outer boltsto move mount in opposite direction. Keep center bolt in place! Otherwise fixture will free from mount.Use appropriate wiring methods for the area following all NEC, local, and state electrical codes.Conduit attaches to the junction box on the back for wiring.ADJUSTMENT BOLTsCENTER BOLTDO NOT REMOVE COMPLETELYWHILE MOUNTED TO SURFACE