Vacuum switchover M 400, M 440

GENERAL
The automatic switchover system is completely vacuum operated device and automatically switches chlorine feed from an empty chlorine source to a full chlorine source, without manual reset. Optionally it can be equipped with electrical signal indicating which source is in use. The switch occurs mechanically and no additional energy is required. Switchover from empty chlorine source to the full chlorine source provides uninterrupted operation. The system will not switch back to new chlorine source until the one in use is exhausted.
OPERATION PRINCIPLE
The switchover device operates under vacuum from the vacuum regulator to the ejector.