1. Don’t put the unit in overheated or overcooled places.
2. Handle carefully. Don’t vibrate or shake it violently.
3. Clear the unit with a piece of dry cloth. Don’t clean in chemicals, detergent.
4. Don’t paint the unit, this may cause some foreign materials left in between the parts.
5. Don’t disassemble or refit the unit.。
Please read the user manual carefully before installation and operation, learn something more about the voltage range. Otherwise, it won’t work properly or destroy the product.