1. slotting in the wall the depth of hole is from 80 to 95mm
2. put the installation box in the slot and connect water pipe
3. connect the pipes according to functions
4. put the installation box, and drill holes on the wall, insert the plastic expansile screws
5. tight self-tapping screws
6. take out the two caps, install handles, do water testing make sure there is no leakage problem
7. uninstall the handles, and replace the caps, then cement up the wall
8. tile the wall
9. cut the bulged edge
10. take out the caps, install the plate
11. install the handles, lock screw of handles with inner hex key screw
