Pfeiffer Vacuum HEPTA 100 P, Руководство по эксплуатации

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Parameter Cooling water
Free chlorine < 0.3 mg/l
Materials in contact with cooling water Stainless steel, copper, cast iron
Tbl. 6: Requirements on the cooling water composition
5.5 Connecting the sealing gas system
1
2 3
4
5
Fig. 6: Connecting the sealing gas system
1 Flowmeter/flow rate monitor 4 Sealing gas connection
2 Nitrogen monitoring tablet 5 Pressure gauge
3 Pressure regulating valve
Procedure
1. Connect the sealing gas connection to the gas supply.
– Connection size: 1/4" thread, ISO 228-1
2. Connect the electrics of the flow rate monitor for the flow rate meter.
3. Connect the pressure switch electrics.
1(+)
2 (-)
Fig. 7: Connection data for the flow rate monitor
● Pin 1 = Brown
● Pin 2 = Blue
● U = 5 to 25 V; I = 1 to 3 mA
● Switching element function: NAMUR, bistable
Labyrinth seals, oil-lubricated single axial
face seals, PTFE shaft seals
Gas-lubricated double axial face
seals
Contact Normally open Normally closed
Switch-point 1.5 SML > min. volume flow 1 SLM > max. volume flow
Tbl. 7: Contact and switch-point according to sealing system
Connection data for pressure switch
● U = 250 VAC; I = 6 A
● U = 12 to 220 VDC; I = 6 to 0.25 A
Installation
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