Mounting Orientation; Figure 17 Mounting Orientation For Next1230H; Figure 18 Mounting Orientation For Next1230H Inv - Edwards nEXT730D Instruction Manual

2. To replace an inlet screen, locate it as centrally as possible over the CF inlet flange
and then, with fingers applying equal pressure around the edge of the screen, push
it firmly downwards.
If they are not already in place, the tangs must be snapped into the locating groove in
the inlet flange using a suitable tool to press them into position.
For ISO flanged pumps, Edwards supplies a combination inlet screen/trapped O-ring.

5.2.2 Mounting orientation

nEXT730D and 930D pumps can be mounted in any orientation,
nEXT1230H pumps can be mounted
▪ horizontally or vertically, with the high-vacuum flange on top and in any
orientation in between or

Figure 17 Mounting orientation for nEXT1230H

▪ horizontally or vertically, with the high-vacuum flange on the bottom and in any
orientation in between (INV versions)

Figure 18 Mounting orientation for nEXT1230H INV

NOTICE: PUMP DAMAGE
The pump can be damaged if it is operated in the incorrectly installed orientation.
Observe the sticker on the pump and install the pump only in the permitted
orientation.
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B8J200880_D - Installation
Page 53 08/2021 - ©Edwards Limited