Rockwell Automation 20L-LL PowerFlex 700L Liquid-to-Liquid Heat Exchanger User Manual
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1-4
Installation
PowerFlex 700L Liquid-to-Liquid Heat Exchanger User Manual
The drive coolant must be compatible with the following materials:
• Copper
• Brass
• Aluminum
• Arimid fiber gasket with nitrile binder (Garlock, Inc. Blue-Gard 3000
®
)
Blue-Gard 3000 is a registered trademark of Garlock, Inc.
Connecting the Elbow/Strainer Assembly (shipped loose)
1. Apply PTFE (Teflon
®
) thread sealing tape or pipe thread sealant
compound to threads on the "IN FROM SUPPLY" pipe nipple. Avoid
excessive tape or compound which may come loose in the cooling loop.
Apply only to threads that will contact mating parts.
Teflon is a registered trademark of DuPont.
2. Hold the pipe nipple with a pipe wrench and tighten the elbow/strainer
assembly onto the "IN FROM SUPPLY" pipe nipple with a second pipe
wrench (
). The strainer should be installed with the flow
direction as indicated on its body, in a vertical down or horizontal
pipeline. INSTALLATION IS NOT POSSIBLE WITH UPWARD
FLOW. The strainer must be accessible for periodic removal of
accumulated debris from its screen.
Figure 1.2 Connecting Strainer/Elbow
!
ATTENTION: Ethylene and propylene glycols must be
inhibited and silicate free. Use of common silicate-containing,
automotive-type ethylene glycol solutions is prohibited as they
may damage the heat exchanger and/or drive and cooling
module equipment.