VEVOR HFD-4 Bedienungsanleitung Seite 15

Fig. 1-4 Connecting
3.Installation step
1.Open the package, check the components according to the packing list;
2.Fill the pump's oil into pump to the middle of the level guide.
Remark: Please using required oil type;
3.Connect the pipe between pump and dryer by connectors. One side is
fixed on pump's air inlet, the other side is fixed on dryer's vacuum outlet;
4.Connect the pump's power plug into dryer's vacuum pump power outlet;
5.Connect the power wire to dryer's main power outlet, other side connect
to power supply(with ground wire );
6.Turn on the switch, test step by step according to the instructions. When
all the technical data are satisfy (including vacuum <15Pa, condenser
chamber's temperature <-35℃), the dryer could be put into usage.
4.General operation process of freeze drying
1.Connecting the freeze dryer correctly according to section 5.3;
2.Adding sample into disc (liquid sample is poured directly, solid sample or
bottled sample is distributed );
3.Putting disc on the tray, to ensure they are completely coincided. Closing
the door and locking the handle;
4.Turning on the switch and getting in main interface;
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