Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control

Control unit

Sensor PT 100

optimum sensor position in the pumphousing

is near the outletpump outlet

pump intake

to contactor

Advantages of housing temperature control

Safe detection of all kinds of overheating due to :

Lack of oil Clogged oil cooler Clogged oil separator Defective fan or contacting rotor High ambient temperatures

Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control

Temperature sensor Pt 100

Advantages of Becker control unit

> two temperature limits are available

> first limit is intended for warning of operator to check the condition of the machine

> second limit is used to cut off the machine in order to prevend overload

Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control