Xylem McDonnell & Miller PSE-800-M, Application, Installation, Operation, And Maintenance Manual

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Maintenance
Maintenance schedule
Warning:
• Maintenance and service must be performed by skilled and qualified personnel only.
• Replace probe when PFA insulator is cracked or worn or probe is loose.
• Test the low water cut-off annually.
• Remove and inspect the self-cleaning probe every five years.
• Use a non-abrasive cloth and rinse with clean water when the probe requires
cleaning. Do not use sharp instruments to remove accumulations of rust or scale.
• Replace probe every ten years.
• Replace the low water cut-off control box every 15 years.
Maintenance
14 PSE-800-M Low Water Cut-off Installation, Operation, and Maintenance Manual