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8.2 Junction box
CAUTION
Do not put objects or step on the junction box.
A cover may be broken and cause property damage or physical injury.
8.2.1 Function of junction box
▶ The station connects water and air from the floor to the dental chair unit while
shut-off valves are installed on top of it
No.
①
③
⑤
8.2.2 Shut-off valve for water and air
▶ These valves open and close air and water supply to the dental chair unit.
Do not turn on /off valves with an excessive force.
▶ After closing shut-off valves, drain air and water from the 3-way syringe lines
inside of the dental chair unit before turning off the main switch.
CAUTION
To prevent water and air leakage, shut-off valve should be closed (OFF) when not
using the dental chair unit or at the end of daily operation.
Revised on 15/06/2021
③
⑤
⑥
Description
Water shut-off valve
Water connection
(tube O/D Φ10)
Air valve for distilled water tank
Hatch comfort C1 User manual
①
②
④
No.
Description
②
Air shut-off valve
Air connection
④
(tube O/D Φ10)
Water valve for distilled water
⑥
tank