Chiller Maintenance Tips
Maintenance and Diagnostics 7-3
Spectra-Physics recommends replacing the coolant at least every 6 months.
Refer to the chiller user’s manual for instructions on filling the chiller reservoir and for
changing the fluid. The part number for the Nalco coolant is listed in
Table 7-3 on
page 7.
Appendix D contains the material safety data sheet (MSDS) for the Nalco product.
Make sure you follow the safety measures listed in this document when transporting and
using the Nalco product. The service representative installing your system fills the
chiller the first time and instructs you on its use. After the initial installation, if you have
any questions regarding the use of this product, contact your Spectra-Physics service
representative. Address and telephone numbers are listed at the end of
Chapter 8,
“Customer Service.”
Chiller Filter
This section describes the procedure to clean the mesh filter from the chiller water filter.
Spectra-Physics recommends performing this procedure once per year.
1. Close the GUI, and choose the shut down option.
2. Turn off the power supply.
3. Turn off the chiller.
4. Disconnect the hose with the filter attached from the chiller and the laser head.
Figure 7-1 Hose with filter attached
5. With the filter assembly over a bucket, unscrew the filter assembly bottom
(
Figure 7-2).
Always fill and maintain the chiller reservoir with Nalco
460-PCCL104 liquid corrosion inhibitor. Do not use deionized
water.
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