20
Operation
6.3
Function description
6.3.1
Operation with DCU
Consider the following manuals for the operation via Pfeiffer Vacuum display and con-
trol units:
●
Operating instructions "DCU"
●
Operating instructions "Electronic drive unit"
Switch on the mains supply via the main switch.
Switch on the pumping station using key "ON/OFF" on the DCU.
Settings are possible with the extended parameter set at the DCU.
6.3.2
Saving energy
Depending on the power consumption of the turbopump the electronic drive unit can con-
trol the backing pump operation. Consequently, the supplied fore-vacuum pressure de-
pends on the turbopump power consumption. Standby operation of the backing pump
can reduce the overall power consumption of the pumping system and the operating
temperature of the backing pump as well.
●
Standby mode with the ACP (preset)
●
Standby mode with rotary vane pumps (configurable)
Standby mode with the ACP
Switching thresholds for the standby mode of the ACP are preset.
WARNING
Danger due to open high vacuum flange
The rotor of the turbopump turns at high speed. If the high vacuum flange is open, there
is a danger of cut injuries and that the pump can be destroyed by objects falling into it.
Never operate the pump with an open high vacuum flange.
Fig. 8:
Front cover DCU
1
LC display, illuminated
2
Status symbols
3
LED "Operating display"
4
Operating keys
DCU
1
2
3
4
HiCube with turbopump
and ACP
Switching Off threshold backing
pump [P:710]
Switching On threshold backing
pump [P:711]
HiPace 80 / TC 110
10 W
20 W
