Main features：
· The central vacuum system consists of vacuum tank, drainage tank, high efficiency vacuum pump, electric control device, pipeline valve, electrical instrument, base, etc.
· The electric control device controls the suction quantity and the running time of each vacuum pump, and reaches the set value and is in the standby state;
· Running data can be set on the touch screen;
· each pump can be controlled automatically and manually, and the vacuum system can be closed automatically when the power is cut off;
Technical data:
