Operation
46
300554859_002_C0 - 11/2016 - © Leybold
4.3 Switching On
Check the oil level of the TRIVAC or SOGEVAC.
Release possible blockages in exhaust outlet.
If condensible gases and vapors are to be pumped, open the gas ballast
valve of the backing pump.
Operate the pump system at the TPU with the help of the function keys. You
will find an overview over the menu on the following pages.
For water cooled TURBOVACs open the cooling water supply.
Avoid causing jolts or vibration when operating the pump system.
Fig. 4.2 TPU display with keys
Status LEDs, see Section 4.4.5
Pump type
Arrow button Up
Arrow button Cancel/Return
Arrow button Confirm/Continue
Remark: a changed value is enabled by con-
firming the entry by operating the green but-
ton. When terminating an entry by operating
the red button, the old value persists.
Function keys assignment
Arrow button Down
Function keys
Functions of the analog output
Pressure Gauge 2
Pressure Gauge 1
Input voltage
Frequency (Default)
Motor Current
Pump Temperature
Analog output setting
In order to scale the analog output’s 0-10 volt output signal to the reading to be
emitted, it is sometimes possible to adjust the limits of the analog output. These
limits can be altered under the Parameters menu under Menu → Parameters →
I31_0 and/or I31_1.
For example, if you want to output the pressure reading of a gauge as an analog
output option, enter the value 8924 for the I31_0 parameter (upper limit ana out).
This value corresponds with the ambient pressure (1013 mbar). All additional analog
output options can also be scaled to the desired region by changing these limits
(I31_0 and/or I31_1).
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