Maintenance; General System Inspection; Water Quality; Mechanical Checks - Pentair Autotrol 255 Installer Manual

Installer Manual 255/LOGIX 742-762-764 - Maintenance
9.

Maintenance

Mandatory
Cleaning and maintenance shall take place at regular intervals in order to guarantee the
proper functioning of the complete system, and be documented in the Maintenance chapter
in the User Guide document.
Mandatory
The maintenance and service operation must be done by qualified personnel only. Failure in
respecting this may void the warranty.
9.1.

General system inspection

Mandatory
Has to be done once a year at minimum.

9.1.1. Water quality

1. Raw water total hardness.
2. Treated water hardness.

9.1.2. Mechanical Checks

1. Inspect general condition of valve and associated ancillaries and check for any leaks, ensure
valve connection to piping is made with adequate flexibility as per manufacturer instruction.
2. Inspection of electrical connections, verify wiring connections and search for evidence of
overloading.
3. Verify settings of electronic or electromechanical timer, verify regeneration frequency, make
sure the valve configuration corresponds to the settings.
4. Check water meter, if present, report water meter settings, compare with previous inspection.
5. Verify total water consumption compared to previous visit.
6. If pressure gauges are installed before and after softening system, verify and record static and
dynamic pressure, reporting pressure drop. Verify that inlet pressure respects valve and
softening system limits.
7. If pressure gauges are not present, but suitable points exist, install temporary pressure gauge(s)
to perform point 6.
66 / 92 Ref. MKT-IM-021 / A - 20.02.2019