A546–00–880 Issue C
Page 10 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trade marks of Edwards Limited.
Technical Data
2.5 General Data
Tabl e 6 - Te c hnica l dat a
Item Description Rating Units
Electrical Supply voltage 3-phase 200/230 V, 50/60 Hz a.c. 380/460 V,
50/60 Hz a.c.
V
Recommended fuse/isolator rating Full load current rating, refer to
Ta b le 3 .
Class CC fuse rated to 600 V.
Voltage tolerance range + 10% V
Installation category II (IEC 664)
Earth leakage 6 mA
Harmonic voltage distortion factor 5%
Water-cooling system Maximum supply pressure 100 psig
Minimum supply pressure 36 psig
Minimum flow rate required Refer to Ta b le 1 l min
-1
Cooling-water supply temperature
range
10 - 30 °C
Maximum particle size 0.03 mm
2
Acidity 6.5 to 8.0 pH
Hardness < 100 ppm
Resistivity > 1 k cm
Solids (turbidity) < 100 ppm
Materials in contact with cooling-
water
Stainless steel, PTFE, copper, brass
and fluoroelastomer.
Connections Cooling-water ¼” BSPT male
Nitrogen ¼” tube fitting
Materials in contact with
process gas
Pump, shafts and rotors Cast SG iron, steel, aluminium
Seals PTFE and fluoroelastomer
Operating conditions Intended Use: Indoor use
Ambient temperature range:
Operating +5 to +40 °C
Storage -45 to +55 °C
Relative humidity 10 to 90 %
Maximum operating altitude 2000 m
Pollution degree 2 (IEC 61010)
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