Temp. 1
Temp. 2
1
2
3
4
5
6
7
Fig. 11:
Connecting temperature sensors
1 Switch box
5
Temperature sensor 2, oil chamber on motor side
2 Connection, temperature sensor 1
6
Temperature sensor 1, oil chamber on opposite side
3 Connection, temperature sensor 2
7
Connecting plug, temperature sensor 1
4 Connecting plug, temperature sensor 2
Connecting temperature sensors
► Connect the temperature sensors on both oil chambers to the matching connections (Temp. 1,
Temp. 2) on the electronic drive unit.
5.9 Connecting accessories
Installation and operation of accessories
Pfeiffer Vacuum offers a series of special, compatible accessories for its roots pumps.
● Information and ordering options for approved
● Described accessories are not included in the shipment.
5.10 Connect to mains power supply
DANGER
Danger to life from electric shock
Touching exposed and voltage-bearing elements causes an electric shock. Improper connection of
the mains supply leads to the risk of touchable live housing parts. There is a risk to life.
► Before the installation, check that the connection leads are voltage-free.
► Make sure that electrical installations are only carried out by qualified electricians.
► Provide adequate grounding for the device.
► After connection work, carry out an earthed conductor check.
Installation
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