1. When you buy back the LED ceiling lamp, please do not install it. Please read the label of the bulb carefully and read the installation manual, and then install and use the LED ceiling lamp according to the instructions, otherwise it may be dangerous. 2. Please be careful not to change it during cleaning and maintenance major Square lamp Courtyard lamp Do not replace the parts of LED ceiling lamp at will. After cleaning and maintenance, install the bulb as it is, and do not omit or install the bulb components incorrectly; 3. Maintenance is required during use major Square lamp Courtyard lamp To extend its service life. Wipe with dry cloth frequently, and pay attention to prevent moisture intrusion to avoid rust or long-term leakage and short circuit; Wipe as much as possible to avoid affecting light penetration.

fixed major Square lamp Courtyard lamp There are many methods, such as ceiling, embedded, hoisting (straight pipe or chain) and wall absorption. Generally, open lamps are usually used indoors. Enamel surface reflector shall be selected, with thick aluminum oxide film or aluminum reflector coated with silicon dioxide protective film. Movable local illuminators are equipped with corresponding handles, hooks, clamps, etc. Fixed local illuminators are usually firmly locked on the working machine by screws or fixing mechanisms. For large factories and large machine tool places requiring separate lighting major Square lamp Courtyard lamp Reflectors made of materials with strong light control characteristics, such as prismatic glass, mirror glass and polished aluminum, to obtain narrow beam distribution.

(1) Recommended installation height of 50W LED energy-saving mining lamp: 3-5 meters; Installation distance: 5-8m. (2) Recommended installation height of 100W LED energy-saving mining lamp: 6-8m; Installation distance: 8-10 m. (3) 120W LED energy-saving mining lamp Recommended installation height: 8-10m; Installation distance: 8-10 m. （4）150W major Square lamp Courtyard lamp Recommended installation height: 10-15m; Installation distance: 8-12m. （5） major Square lamp Courtyard lamp 200W Recommended installation height: 10-15m; Installation distance: 10-15m. (6) LED energy-saving mining lamp 300W recommended installation height: 15-20m; Installation distance: 20-25m. (7) Recommended installation height of 450W LED energy-saving mining lamp: 15-20m; Installation distance: 25-30m

If there is a problem with the solar street lamp in the countryside, first check whether the photocell is correctly connected, whether the wiring position is in poor contact, and then check whether the battery connection is correct and whether the battery voltage is normal. If the battery is excessively discharged, a fault will occur and it will automatically recover after being fully charged. Among them, major Square lamp Courtyard lamp The stability of the controller is very important for the service life of rural solar street lights, because the role of the solar controller is to control the use major Square lamp Courtyard lamp The battery board charges and discharges the battery. When choosing a solar cell, you must choose a high stability battery to ensure the service life of the battery, because the quality of the battery will also directly affect the service life of the street lamp. It can extend the service life of the whole rural solar street lamp.