Light fixtureArea exposed directly to rainRain45°Area not directly exposed to rainPassagewayBlowing methodMat laying construction methodLight fixture and heat insulation material can overheat and cause a fire.Heat insulation material356Be sure to read the installation manual of each light fixture and the labels attached to the main unit and use the product properly.Refer to "Specification Diagram" for product specifications and "Installation Manual" for the method of installing and maintenance of instruments.installing the light fixture. If the power supply voltage is too high or too low, internal parts can overheat or become heat-damaged. Incorrect power supply voltage can also cause the LED to flicker or fail to light, and may shorten the service life of the LED and power supply unit.・ Make sure that the voltage supplied to the light fixture is within the allowable range （rated voltage ±6%）.・ Do not use the light fixture in a place where humidity is high （94%RH or higher） or where a large amount of oil smoke or dust is generated. High humidity, oil smoke and dust can induce deformation of paper or wooden parts of the product and may cause the product to fall. They also lead to the deterioration of electronic parts and insulation.specified）. Use of the light fixture outside the allowable temperature range can cause a fire, falling of the product, deformation, shortening of the service life of the light fixture or degradation of startup performance.Some fixtures have restrictions on mounting direction such as in Bracket and Ceiling lights. Use of the light fixture in a condition that does not meet the requirements can cause a fire, electric shock or falling of the product.Failure to observe this caution can cause a fire, falling of the product, discoloration/deformation of the light fixture or shortening of the service life of the lamps. 1. Place where the mounting surface is smaller than the mounting part of the light fixture 2. Place without sufficient strength or reinforcement, or ceiling made of soft material 3. Inclined wall surface or ceiling surface （except for light fixtures designed for installation on inclined ceiling） 4. Place near the flammable materials such as curtain 5. Place where air is blown, such as near the air outlet of air conditioner 6. Place where temperature fluctuates drastically due to the effect of inflow of outside air （In the case of fluorescent lamps, severe temperature fluctuation can cause a significant decrease in the light intensity due to their characteristics） 7. Using as special purpose （for vehicles, medical use, for photo shooting and as traffic signal lights etc.） 8. Using in a directions other than the mounting and lighting direction specified in the light fixture 9. Place where the light is turned ON and OFF frequently, or use of a human motion sensor or other device for turning the light ON and OFF frequently10. Enclosed place where heat would accumulate such as in a small showcase11. Place where a combustible item such as a door or furniture is located within the minimum allowed illumination range （minimum distance to illuminated object） （Keep the light fixture at least 30 cm away from objects even if the minimum allowed illumination range is not specified.）（When illuminating heat-sensitive items, pay attention to the installation condition of the light fixture and the temperature around the product, which may lead to deterioration of the product.）12. Placement of flammable items（ cloths, paper, etc.） on or near the light fixture13. Placement of heat-generating items（ heater, stove, etc.） under the light fixture14. Place where temperature becomes high such as in a sauna15. Place subject to or exposed to vibrations/impacts, dust particles, corrosive combustible gas （including hot spring components and bath Powders） or oil （kitchen, factory, etc.）16. Place where oil mist （oil splash） is generated such as a machining/sheet metal processing factory or place where chemicals splash/scatter17. Ceiling, wall or other places where wallpaper adhesive has not dried completely such as immediately 18. Salt damage area within 2,000 m from the sea, place affected by corrosive gases, or place where water after pasting of wallpapercollects and remains19. Place exposed to moisture that contains a large amount of alkaline components, such as hot spring bath or public bath20. Dustproof light fixtures are not explosion-proof. Dust-proof light fixtures cannot be used as dust-explosion-proof light fixtures in an environment with explosive dust or combustible dustFor a place where humidity is high, water is used or rain water enters/splashes, such as a bathroom or outdoor site, select the waterproof type of light fixtures. Using general type light fixture in such a place can cause an electric shock or electrical leakage. Rainproof type Moisture-proof type Moisture-proof andrainproof type Submersible type Drip-proof type *Even if the light fixture is installed in a place not exposed directly to rain, such as under the eave, roofed outside passageway or arcade, moisture from the rain may cause rusting of the reflector and main body. Furthermore, a sudden gust of wind may cause the reflector or lamp to fall. For such a location, the rainproof or moisture-proof light fixture or the light fixture designed for under-eave installation is recommended.* Rubber gaskets used to provide waterproofness may deteriorate under certain conditions （abnormal vibration, high temperature, ultraviolet rays, etc.）, waterproof rubber packing deteriorates at an accelerated rate and loses its waterproofing performance. In such a case, it is recommended to replace the rubber packing frequently.Confirm that the power source ratings of the light fixture correspond with the ratings of a power supply.・ Make sure that the rated voltage of the light fixture corresponds with the local power supply voltage before Be sure the light fixture suitable for the place of use. Never attempt to modify the light fixture.・ Be sure to use the light fixture within the ambient temperature range from 5°C to 35°C（unless otherwise ・ Be careful to select and install the light fixture.・ Do not install or use the light fixture in the following places or under the described conditions.・ Select the special light fixture for using such as in bathroom or outdoor site.・ Usage classification of waterproof light fixturesFor general outdoor installation （on the outside）. Insulation failure may occur if used in a high-humidity place such as in a bathroom.For indoor location with high humidity. Discoloration or deformation of the cover may occur if used in an outdoor location （on building side）. Insulation failure may occur if rain water splashes directly on the light fixture.For general indoor or outdoor installation.* Consult our company for installation in a commercial bathing facility such as a hot spring bath or public bath.Only use while submersed in water. For using outside location where the light fixture is not exposed to the effect of wind or under the eave where rain water does not fall directly on the light fixture.・ When using the fixture in a cold region, "icicles" may be made on the edge of the light fixture. ・ Do not modify the light fixture or replace the components （socket, switch, etc.）. It can cause a fire, electric shock or falling of the product.* If the light fixture becomes damaged or seems to be abnormal, turn off the power immediately and contact the dealer or installer.SB TypeSG Type, SGI TypeGeneral Type [Note 2]In the case of an earthquake, check the light fixture for damage.Damage can cause falling of the product, breakage or insulation failure.Do not touch around the light source （including lamps, front side of the main body, glass, etc.）.The area near the light source is hot during and immediately after operation and can cause burns.Do not insert any metal object into the gap or hole in the light fixture.If the metal object contacts the power supply unit, an electric shock can occur.Do not spray insecticide on the light fixture or wipe with thinner or similar solution.Spraying insecticide or wiping with thinner can cause cracking or clouding of the shade and cover.About dimmable LED light fixturesIf the power switch （PWM line controller switch） is turned off and on while the LED is dimmed, the LED may light up brightly and then dim or turn off.About LED light sourceNote that the color and brightness of the LED may be varied.The luminous flux value, color temperature, illuminance distribution, light distribution, power consumption and other specifications indicated in the catalogue are reference values, and they are not guaranteed values. Consider them as guideline figures.The LED may not provide sufficient luminous intensity depending on surrounding conditions.If a switch with a built-in pilot lamp is used, the LED may not turn off completely.It may take a while for the LED to light up. This does not denote a malfunction.Do not look directly toward the lit LED.Select the installation location carefully in order to prevent abnormal rise of temperature in and around the light fixture.If the temperature of the light fixture rises abnormally high, the temperature of the electronic parts in the power supply unit can exceed the allowed temperature range. This can shorten the service life of the power supply unit and LED, and may also cause heat-related hazards. Excessive heat can also cause deterioration of electrical wires inside the light fixture.* Rise of temperature inside the light fixture is largely affected by the size of the housing, distance between the light fixtures and distance between the light fixture and structural material/equipment. Take the following measures to ensure proper installation.When installing recessed fixtures such as downlights, please observe the items and the figure below.Failure to observe this caution can cause electric leakage, burnout, overheating of light fixture or shortening of the service life of the LED and power supply unit.・ When installing the recessed light fixture, do not allow the periphery of the light fixture to contact the ceiling insulation material, sound-proofing material, structural material, duct or other equipment, equipment wires, cables, etc.* Light fixtures other than heat-insulated S-Type of recessed light fixtures cannot be installed to a heat-insulated ceiling （mat laying method, blowing method）. When installing to a ceiling that will be heat-insulated or sound-proofed, select one of the light fixtures suitable for the specific ceiling construction and material. [Note 2] In the case of the recessed LED light fixture, overheating of the light fixture may cause the lens and cover （resin parts） to melt.* Do not use moisture-proof seal film or create a space inside the heat insulation layer during installation, since doing so can shorten the service life of the LED and power supply unit or cause overheating of the light fixture.* When connecting S-Type （ SGI and SB Type） downlights in series, make sure that the total current value of each circuit is within the allowable current value indicated on the light fixture, in the operation manual or specification diagram. Be sure to install the supplied protective tube to the power supply cable.Falling of icicles may cause hazards to pedestrians, etc., remove icicles as needed.Light fixture must only be installed by a qualified electrician.Electrical wiring by unqualified person is prohibited.* Regarding the installation and handling of each light fixture model, refer to the installation manual supplied with the light fixture. 1. Provide a sufficient space between the light fixtures, and use the zigzag connection method. 2. Provide a sufficient space between the light fixture and wall. 3. Make sure the housing is sufficiently large. 4. Provide heat escaping holes on the circumference of the housing. 5. Install the power supply unit at a separate location. 6. Improve ventilation behind the ceiling.Attention in useCaution in installation
元のページ ../index.html#356