9 Antechamber operation (Vacuum antechamber)
Antechamber door operation
MB-20-G/MB-200G-W_MB-LABmaster_MB-200 MOD_TP700
Operating Manual - V5.0 - 04/2018 - STD
Page
9 - 3
The antechamber door is equipped with a pressure spring to assist with lifting and lower-
ing. When closing or opening the door, fingers can become squeezed.
► Keep hands away from the antechamber door area.
Inner and outer antechamber doors are operated in an identical manner.
Inner door lock
If the antechamber is not used over lengthy period of time the antechamber atmosphere
may no longer be pure. Therefore, as an optional feature, the inner door can be locked
automatically by the system after an adjustable delay time. Before the inner door can be
opened, a full cycle must be completed.
9.3.1 Main antechamber
Open the door manually
Prerequisite
> Room must be ventilated.
> Pressure inside and outside antechamber must be equal.
> Antechamber atmosphere is not contaminated with hazardous gases or dust.
> Inner antechamber door must be closed.
► Turn the star handle(1) anticlockwise until the door is unlocked.
► Carefully tilt the door bar and the antechamber door upwards. Do not use a large
amount of force to tilt the door bar.
ð The pressure spring holds the door in the open position.
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