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Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C-Frame) - ForGe Control User Manual

Page 79

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Rockwell Automation Publication 7000L-UM301D-EN-P - June 2014

79

Drive Installation

Chapter 2

3.

Fill heat exchanger and pipe using fill line and main VFD piping before
starting pump to purge air. Ensure pumps do not run dry as damage may
occur. Follow priming and valve operation instructions located on pump
cabinet door before operating pumps.

Figure 63 - Controlled Siphon Method

Drain

Fill

2 or 3 in.
piping

Ball Check
Valve

1.5 or 2 in.
piping

Vent Valve (x4)
ARV100VS Plastomatic
Mounting Notes:
2 ft max section of

horizontal piping for vent
valve mounting

Horizontal vent valve piping

for exit and return must be
mounted at the same level

Heat Exchanger