Temp. 1
Temp. 2
Fan 1
Fan 2
n. c.
1
2
4
6
5
3
Fig. 13:
Connect the extension cable
1 Electronic drive unit
4
Connecting cable, fan 2
2 Motor side
5
Connecting cable, temperature sensor 1
3 Connecting cable, temperature sensor 2
6
Connecting cable, fan 1
Connect the extension cable
The sensor and fan cable are safeguarded geometrically against interchanging.
1. Connect the connecting cables of both temperature sensors to the connections (temp. 1/2) provid-
ed on the switch box.
2. Connect the connecting cables of both fans to the connections (fan 1/2) provided on the switch
box.
5.9 Implement electrical safety measures
WARNING
Risk of danger to life through missing mains disconnection device
The vacuum pump and electronic drive unit are
not
equipped with a mains disconnection device
(mains switch).
► Install a suitable motor protection switch.
► Obtain the power details for the setting value from the motor rating plate.
Installing the mains disconnection device
1. The power details for the setting value can be found on the motor rating plate.
2. Install the circuit breaker within reach of the vacuum pump during building installation.
3. Label the circuit breaker as a disconnect device for the vacuum pump.
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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Summary of Contents for HILOBE 2704
Page 1: ...OPERATING INSTRUCTIONS EN Translation of the Original HILOBE 2704 4504 6204 Roots pump...
Page 65: ...65 66...
Page 66: ...Notizen Notes...
Page 67: ......
