Ametek Amrel PLA 2U, Operation Manual

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M470039-01 REV-F Page 50
RECOMMENDED WATER PIPING INSTALLATION FOR PLW SERIES
INLET
WATER
OUTLET
WATER
FIGURE 2.2 PIPING AND COOLANT INSTALLATION
Important Precautions:
1.
PLW height Pipe Size
2U
3/8” NPT
4U
½” NPT
> 4U
check model da ta sheet
2. It is recommended that the system be check for water leaks before operation.
a.
Check for water leaks by closing Water Switch – B.
b. Then opening Water Switch – A.
c.
Turn the Load’s power ON and check for leaks (the power of the PLW must be ON in
order for water flow into the load).
3.
Flow Meter’s inlet and outlet should be equal or greater than PLW pipe size.
4. Install a 150-micron filter at the water inlet.
5. Water pressure must be less than 80 PSI in order for the valve to work properly.
6. Never allow to flow from outlet to inlet.
7. Water temperature should be between 5
º
C and 30
º
C.
8. Use only non-corrosive type of liquid for cooling with a neutral pH level of 7.
(We suggest using distilled or de-ionized water)
9. Water viscosity must be less than 50 CST.
Important Note: Please refer to Appendix B for Heat Sink Temperature VS. GPM Curve to help determine the
GPM level for your system
PLW Series
O
I
Flow Meter Water Switch – B
Water Switch – A Pressure Meter
150 micron filter